[298] | 1 |
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| 2 | import fs
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| 3 | import const
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| 4 | import util
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| 5 | from acars import ACARS
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| 6 | from sound import startSound
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| 7 |
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| 8 | import time
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| 9 |
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| 10 | #---------------------------------------------------------------------------------------
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| 11 |
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[297] | 12 | ## @package mlx.checks
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| 13 | #
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| 14 | # The classes that check the state of the aircraft.
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| 15 | #
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| 16 | # During the flight the program periodically queries various data from the
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| 17 | # simulator. This data is returned in instances of the \ref
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| 18 | # mlx.fs.AircraftState class and passed to the various "checkers",
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| 19 | # i.e. instances of subclasses of the \ref StateChecker class. These checkers
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| 20 | # perform various checks to see if the aircraft's parameters are within the
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| 21 | # expected limits, or some of them just logs something.
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| 22 | #
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| 23 | # There are a few special ones, such as \ref StageChecker which computes the
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| 24 | # transitions from one stage of the flight to the next one. Or \ref ACARSSender
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| 25 | # which sends the ACARS periodically
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[8] | 26 |
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| 27 | #---------------------------------------------------------------------------------------
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| 28 |
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| 29 | class StateChecker(object):
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| 30 | """Base class for classes the instances of which check the aircraft's state
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| 31 | from some aspect.
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| 32 |
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| 33 | As a result of the check they may log something, or notify of some fault, etc."""
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| 34 | def check(self, flight, aircraft, logger, oldState, state):
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| 35 | """Perform the check and do whatever is needed.
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| 36 |
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| 37 | This default implementation raises a NotImplementedError."""
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| 38 | raise NotImplementedError()
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| 39 |
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| 40 | #---------------------------------------------------------------------------------------
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| 41 |
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| 42 | class StageChecker(StateChecker):
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| 43 | """Check the flight stage transitions."""
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[25] | 44 | def __init__(self):
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| 45 | """Construct the stage checker."""
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| 46 | self._flareStarted = False
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| 47 |
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[8] | 48 | def check(self, flight, aircraft, logger, oldState, state):
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| 49 | """Check the stage of the aircraft."""
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| 50 | stage = flight.stage
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| 51 | if stage==None:
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| 52 | aircraft.setStage(state, const.STAGE_BOARDING)
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| 53 | elif stage==const.STAGE_BOARDING:
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| 54 | if not state.parking or \
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| 55 | (not state.trickMode and state.groundSpeed>5.0):
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| 56 | aircraft.setStage(state, const.STAGE_PUSHANDTAXI)
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| 57 | elif stage==const.STAGE_PUSHANDTAXI or stage==const.STAGE_RTO:
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| 58 | if state.landingLightsOn or state.strobeLightsOn or \
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| 59 | state.groundSpeed>80.0:
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| 60 | aircraft.setStage(state, const.STAGE_TAKEOFF)
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| 61 | elif stage==const.STAGE_TAKEOFF:
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| 62 | if not state.gearsDown or \
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| 63 | (state.radioAltitude>3000.0 and state.vs>0):
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| 64 | aircraft.setStage(state, const.STAGE_CLIMB)
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| 65 | elif not state.landingLightsOn and \
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| 66 | not state.strobeLightsOn and \
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| 67 | state.onTheGround and \
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| 68 | state.groundSpeed<50.0:
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| 69 | aircraft.setStage(state, const.STAGE_RTO)
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| 70 | elif stage==const.STAGE_CLIMB:
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| 71 | if (state.altitude+2000) > flight.cruiseAltitude:
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| 72 | aircraft.setStage(state, const.STAGE_CRUISE)
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| 73 | elif state.radioAltitude<2000.0 and \
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| 74 | state.vs < 0.0 and state.gearsDown:
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| 75 | aircraft.setStage(state, const.STAGE_LANDING)
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| 76 | elif stage==const.STAGE_CRUISE:
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| 77 | if (state.altitude+2000) < flight.cruiseAltitude:
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| 78 | aircraft.setStage(state, const.STAGE_DESCENT)
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| 79 | elif stage==const.STAGE_DESCENT or stage==const.STAGE_GOAROUND:
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| 80 | if state.gearsDown and state.radioAltitude<2000.0:
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| 81 | aircraft.setStage(state, const.STAGE_LANDING)
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| 82 | elif (state.altitude+2000) > flight.cruiseAltitude:
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| 83 | aircraft.setStage(state, const.STAGE_CRUISE)
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| 84 | elif stage==const.STAGE_LANDING:
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| 85 | if state.onTheGround and state.groundSpeed<50.0:
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| 86 | aircraft.setStage(state, const.STAGE_TAXIAFTERLAND)
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| 87 | elif not state.gearsDown:
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| 88 | aircraft.setStage(state, const.STAGE_GOAROUND)
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[25] | 89 | elif state.radioAltitude>200 and self._flareStarted:
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[8] | 90 | aircraft.cancelFlare()
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[25] | 91 | self._flareStarted = False
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| 92 | elif state.radioAltitude<150 and not state.onTheGround and \
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| 93 | not self._flareStarted:
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| 94 | self._flareStarted = True
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[9] | 95 | aircraft.prepareFlare()
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[8] | 96 | elif stage==const.STAGE_TAXIAFTERLAND:
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| 97 | if state.parking:
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| 98 | aircraft.setStage(state, const.STAGE_PARKING)
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| 99 | elif stage==const.STAGE_PARKING:
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| 100 | if aircraft.checkFlightEnd(state):
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| 101 | aircraft.setStage(state, const.STAGE_END)
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| 102 |
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| 103 | #---------------------------------------------------------------------------------------
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| 104 |
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[139] | 105 | class ACARSSender(StateChecker):
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| 106 | """Sender of online ACARS.
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| 107 |
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| 108 | It sends the ACARS every 3 minutes to the MAVA website."""
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| 109 |
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[297] | 110 | ## The interval at which the ACARS are sent
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[139] | 111 | INTERVAL = 3*60.0
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| 112 |
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| 113 | def __init__(self, gui):
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| 114 | """Construct the ACARS sender."""
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| 115 | self._gui = gui
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| 116 | self._lastSent = None
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| 117 |
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| 118 | def check(self, flight, aircraft, logger, oldState, state):
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| 119 | """If the time has come to send the ACARS, send it."""
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| 120 | now = time.time()
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| 121 |
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| 122 | if self._lastSent is not None and \
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| 123 | (self._lastSent + ACARSSender.INTERVAL)>now:
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| 124 | return
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| 125 |
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| 126 | acars = ACARS(self._gui, state)
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| 127 | self._gui.webHandler.sendACARS(self._acarsCallback, acars)
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| 128 |
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| 129 | def _acarsCallback(self, returned, result):
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| 130 | """Callback for ACARS sending."""
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| 131 | if returned:
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| 132 | print "Sent online ACARS"
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| 133 | self._lastSent = time.time() if self._lastSent is None \
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| 134 | else self._lastSent + ACARSSender.INTERVAL
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| 135 | else:
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| 136 | print "Failed to send the ACARS"
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| 137 |
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| 138 | #---------------------------------------------------------------------------------------
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| 139 |
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[9] | 140 | class TakeOffLogger(StateChecker):
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| 141 | """Logger for the cruise speed."""
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| 142 | def __init__(self):
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| 143 | """Construct the logger."""
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| 144 | self._onTheGround = True
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| 145 |
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| 146 | def check(self, flight, aircraft, logger, oldState, state):
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| 147 | """Log the cruise speed if necessary."""
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| 148 | if flight.stage==const.STAGE_TAKEOFF and \
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| 149 | self._onTheGround and not state.onTheGround:
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| 150 | logger.message(state.timestamp,
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[241] | 151 | "Takeoff speed: %.0f %s" % \
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| 152 | (flight.speedFromKnots(state.ias),
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| 153 | flight.getEnglishSpeedUnit()))
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[9] | 154 | logger.message(state.timestamp,
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| 155 | "Takeoff heading: %03.0f degrees" % (state.heading,))
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| 156 | logger.message(state.timestamp,
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| 157 | "Takeoff pitch: %.1f degrees" % (state.pitch,))
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[243] | 158 | logger.message(state.timestamp,
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[271] | 159 | "Centre of gravity: %.1f%%" % (state.cog*100.0,))
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[9] | 160 | self._onTheGround = False
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| 161 |
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| 162 | #---------------------------------------------------------------------------------------
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| 163 |
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| 164 | class CruiseSpeedLogger(StateChecker):
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| 165 | """Logger for the cruise speed."""
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| 166 | def __init__(self):
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| 167 | """Construct the logger."""
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| 168 | self._lastTime = None
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| 169 |
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| 170 | def check(self, flight, aircraft, logger, oldState, state):
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| 171 | """Log the cruise speed if necessary."""
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| 172 | if flight.stage==const.STAGE_CRUISE and \
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| 173 | (self._lastTime is None or \
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| 174 | (self._lastTime+800)<=state.timestamp):
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| 175 | if state.altitude>24500.0:
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| 176 | logger.message(state.timestamp,
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[10] | 177 | "Cruise speed: %.3f mach" % (state.mach,))
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[9] | 178 | else:
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| 179 | logger.message(state.timestamp,
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[241] | 180 | "Cruise speed: %.0f %s" %
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| 181 | (flight.speedFromKnots(state.ias),
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| 182 | flight.getEnglishSpeedUnit()))
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[9] | 183 | self._lastTime = state.timestamp
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| 184 |
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| 185 | #---------------------------------------------------------------------------------------
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| 186 |
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[10] | 187 | class SpoilerLogger(StateChecker):
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| 188 | """Logger for the cruise speed."""
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| 189 | def __init__(self):
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| 190 | """Construct the logger."""
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| 191 | self._logged = False
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[13] | 192 | self._spoilersExtension = None
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[10] | 193 |
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| 194 | def check(self, flight, aircraft, logger, oldState, state):
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| 195 | """Log the cruise speed if necessary."""
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| 196 | if flight.stage==const.STAGE_LANDING and not self._logged:
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| 197 | if state.onTheGround:
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[13] | 198 | if state.spoilersExtension!=self._spoilersExtension:
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[10] | 199 | logger.message(state.timestamp, "Spoilers deployed")
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| 200 | self._logged = True
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[170] | 201 | config = flight.config
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| 202 | if config.enableSounds and config.speedbrakeAtTD:
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| 203 | startSound(const.SOUND_SPEEDBRAKE)
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[10] | 204 | else:
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[13] | 205 | self._spoilersExtension = state.spoilersExtension
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[10] | 206 |
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| 207 | #---------------------------------------------------------------------------------------
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| 208 |
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[134] | 209 | class VisibilityChecker(StateChecker):
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| 210 | """Inform the pilot of the visibility once when descending below 2000 ft,
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| 211 | then when descending below 1000 ft."""
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| 212 | def __init__(self):
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| 213 | """Construct the visibility checker."""
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| 214 | self._informedBelow2000 = False
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| 215 | self._informedBelow1000 = False
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| 216 |
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| 217 | def check(self, flight, aircraft, logger, oldState, state):
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| 218 | """Check if we need to inform the pilot of the visibility."""
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| 219 | if flight.stage==const.STAGE_DESCENT or \
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| 220 | flight.stage==const.STAGE_LANDING:
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| 221 | if (state.radioAltitude<2000 and not self._informedBelow2000) or \
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| 222 | (state.radioAltitude<1000 and not self._informedBelow1000):
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| 223 | visibilityString = util.visibility2String(state.visibility)
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| 224 | fs.sendMessage(const.MESSAGETYPE_VISIBILITY,
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| 225 | "Current visibility: " + visibilityString,
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| 226 | 5)
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| 227 | logger.message(state.timestamp,
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| 228 | "Pilot was informed about the visibility: " +
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| 229 | visibilityString)
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| 230 | self._informedBelow2000 = True
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| 231 | self._informedBelow1000 = state.radioAltitude<1000
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| 232 |
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| 233 | #---------------------------------------------------------------------------------------
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| 234 |
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[273] | 235 | class ApproachCalloutsPlayer(StateChecker):
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| 236 | """A state checker that plays a sequence of approach callouts.
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| 237 |
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| 238 | It tracks the altitude during the descent and landing phases and
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| 239 | if the altitude crosses one that has a callout associated with and
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| 240 | the vertical speed is negative, that callout will be played."""
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| 241 | def __init__(self, approachCallouts):
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| 242 | """Construct the approach callouts player."""
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| 243 | self._approachCallouts = approachCallouts
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| 244 | self._altitudes = approachCallouts.getAltitudes(descending = False)
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| 245 |
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| 246 | def check(self, flight, aircraft, logger, oldState, state):
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| 247 | """Check if we need to play a callout."""
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| 248 | if (flight.stage==const.STAGE_DESCENT or \
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| 249 | flight.stage==const.STAGE_LANDING) and state.vs<0:
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| 250 | oldRadioAltitude = oldState.radioAltitude
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| 251 | radioAltitude = state.radioAltitude
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| 252 | for altitude in self._altitudes:
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| 253 | if radioAltitude<=altitude and \
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| 254 | oldRadioAltitude>altitude:
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| 255 | startSound(self._approachCallouts[altitude])
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| 256 | break
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| 257 |
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| 258 | #---------------------------------------------------------------------------------------
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| 259 |
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[8] | 260 | class StateChangeLogger(StateChecker):
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| 261 | """Base class for classes the instances of which check if a specific change has
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| 262 | occured in the aircraft's state, and log such change."""
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| 263 | def __init__(self, logInitial = True):
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| 264 | """Construct the logger.
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| 265 |
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| 266 | If logInitial is True, the initial value will be logged, not just the
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| 267 | changes later.
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| 268 |
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| 269 | Child classes should define the following functions:
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| 270 | - _changed(self, oldState, state): returns a boolean indicating if the
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| 271 | value has changed or not
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[241] | 272 | - _getMessage(self, flight, state): return a strings containing the
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| 273 | message to log with the new value
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[8] | 274 | """
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| 275 | self._logInitial = logInitial
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| 276 |
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[22] | 277 | def _getLogTimestamp(self, state):
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| 278 | """Get the log timestamp."""
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| 279 | return state.timestamp
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| 280 |
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[8] | 281 | def check(self, flight, aircraft, logger, oldState, state):
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| 282 | """Check if the state has changed, and if so, log the new state."""
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| 283 | shouldLog = False
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| 284 | if oldState is None:
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| 285 | shouldLog = self._logInitial
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| 286 | else:
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| 287 | shouldLog = self._changed(oldState, state)
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| 288 |
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| 289 | if shouldLog:
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[241] | 290 | logger.message(self._getLogTimestamp(state),
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| 291 | self._getMessage(flight, state))
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[8] | 292 |
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[241] | 293 | #-------------------------------------------------------------------------------
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[8] | 294 |
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| 295 | class SimpleChangeMixin(object):
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| 296 | """A mixin that defines a _changed() function which simply calls a function
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| 297 | to retrieve the value two monitor for both states and compares them.
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| 298 |
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| 299 | Child classes should define the following function:
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| 300 | - _getValue(state): get the value we are interested in."""
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| 301 | def _changed(self, oldState, state):
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| 302 | """Determine if the value has changed."""
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| 303 | return self._getValue(oldState)!=self._getValue(state)
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| 304 |
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| 305 | #---------------------------------------------------------------------------------------
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| 306 |
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| 307 | class SingleValueMixin(object):
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| 308 | """A mixin that provides a _getValue() function to query a value from the
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| 309 | state using the name of the attribute."""
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| 310 | def __init__(self, attrName):
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| 311 | """Construct the mixin with the given attribute name."""
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| 312 | self._attrName = attrName
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| 313 |
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| 314 | def _getValue(self, state):
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| 315 | """Get the value of the attribute from the state."""
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| 316 | return getattr(state, self._attrName)
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| 317 |
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| 318 | #---------------------------------------------------------------------------------------
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| 319 |
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| 320 | class DelayedChangeMixin(object):
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| 321 | """A mixin to a StateChangeLogger that stores the old value and reports a
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| 322 | change only if the change has been there for a certain amount of time.
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| 323 |
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| 324 | Child classes should define the following function:
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| 325 | - _getValue(state): get the value we are interested in."""
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[22] | 326 | def __init__(self, minDelay = 3.0, maxDelay = 10.0):
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[8] | 327 | """Construct the mixin with the given delay in seconds."""
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[22] | 328 | self._minDelay = minDelay
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| 329 | self._maxDelay = maxDelay
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[8] | 330 | self._oldValue = None
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| 331 | self._firstChange = None
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[22] | 332 | self._lastChangeState = None
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| 333 |
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[8] | 334 | def _changed(self, oldState, state):
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| 335 | """Determine if the value has changed."""
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| 336 | if self._oldValue is None:
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| 337 | self._oldValue = self._getValue(oldState)
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| 338 |
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| 339 | newValue = self._getValue(state)
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[22] | 340 | if self._oldValue!=newValue:
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[8] | 341 | if self._firstChange is None:
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| 342 | self._firstChange = state.timestamp
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[22] | 343 | self._lastChangeState = state
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| 344 | self._oldValue = newValue
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| 345 |
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| 346 | if self._firstChange is not None:
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| 347 | if state.timestamp >= min(self._lastChangeState.timestamp + self._minDelay,
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| 348 | self._firstChange + self._maxDelay):
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[8] | 349 | self._firstChange = None
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| 350 | return True
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[22] | 351 |
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| 352 | return False
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[8] | 353 |
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[22] | 354 | def _getLogTimestamp(self, state):
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| 355 | """Get the log timestamp."""
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| 356 | return self._lastChangeState.timestamp if \
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| 357 | self._lastChangeState is not None else state.timestamp
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[8] | 358 |
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| 359 | #---------------------------------------------------------------------------------------
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| 360 |
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| 361 | class TemplateMessageMixin(object):
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| 362 | """Mixin to generate a message based on a template.
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| 363 |
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| 364 | Child classes should define the following function:
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| 365 | - _getValue(state): get the value we are interested in."""
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| 366 | def __init__(self, template):
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| 367 | """Construct the mixin."""
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| 368 | self._template = template
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| 369 |
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[241] | 370 | def _getMessage(self, flight, state):
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[8] | 371 | """Get the message."""
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| 372 | return self._template % (self._getValue(state),)
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| 373 |
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| 374 | #---------------------------------------------------------------------------------------
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| 375 |
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| 376 | class GenericStateChangeLogger(StateChangeLogger, SingleValueMixin,
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| 377 | DelayedChangeMixin, TemplateMessageMixin):
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| 378 | """Base for generic state change loggers that monitor a single value in the
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| 379 | state possibly with a delay and the logged message comes from a template"""
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[22] | 380 | def __init__(self, attrName, template, logInitial = True,
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| 381 | minDelay = 0.0, maxDelay = 0.0):
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[8] | 382 | """Construct the object."""
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| 383 | StateChangeLogger.__init__(self, logInitial = logInitial)
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| 384 | SingleValueMixin.__init__(self, attrName)
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[22] | 385 | DelayedChangeMixin.__init__(self, minDelay = minDelay, maxDelay = maxDelay)
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[8] | 386 | TemplateMessageMixin.__init__(self, template)
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[22] | 387 | self._getLogTimestamp = lambda state: \
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| 388 | DelayedChangeMixin._getLogTimestamp(self, state)
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[8] | 389 |
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| 390 | #---------------------------------------------------------------------------------------
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| 391 |
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| 392 | class AltimeterLogger(StateChangeLogger, SingleValueMixin,
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| 393 | DelayedChangeMixin):
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| 394 | """Logger for the altimeter setting."""
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| 395 | def __init__(self):
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| 396 | """Construct the logger."""
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| 397 | StateChangeLogger.__init__(self, logInitial = True)
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| 398 | SingleValueMixin.__init__(self, "altimeter")
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| 399 | DelayedChangeMixin.__init__(self)
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[22] | 400 | self._getLogTimestamp = lambda state: \
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| 401 | DelayedChangeMixin._getLogTimestamp(self, state)
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[8] | 402 |
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[241] | 403 | def _getMessage(self, flight, state):
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[8] | 404 | """Get the message to log on a change."""
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[22] | 405 | logState = self._lastChangeState if \
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| 406 | self._lastChangeState is not None else state
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| 407 | return "Altimeter: %.0f hPa at %.0f feet" % \
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| 408 | (logState.altimeter, logState.altitude)
|
---|
[8] | 409 |
|
---|
| 410 | #---------------------------------------------------------------------------------------
|
---|
| 411 |
|
---|
| 412 | class NAV1Logger(GenericStateChangeLogger):
|
---|
| 413 | """Logger for the NAV1 radio setting."""
|
---|
| 414 | def __init__(self):
|
---|
| 415 | """Construct the logger."""
|
---|
| 416 | super(NAV1Logger, self).__init__("nav1", "NAV1 frequency: %s MHz")
|
---|
| 417 |
|
---|
| 418 | #---------------------------------------------------------------------------------------
|
---|
| 419 |
|
---|
| 420 | class NAV2Logger(GenericStateChangeLogger):
|
---|
| 421 | """Logger for the NAV2 radio setting."""
|
---|
| 422 | def __init__(self):
|
---|
| 423 | """Construct the logger."""
|
---|
| 424 | super(NAV2Logger, self).__init__("nav2", "NAV2 frequency: %s MHz")
|
---|
| 425 |
|
---|
| 426 | #---------------------------------------------------------------------------------------
|
---|
| 427 |
|
---|
| 428 | class SquawkLogger(GenericStateChangeLogger):
|
---|
| 429 | """Logger for the squawk setting."""
|
---|
| 430 | def __init__(self):
|
---|
| 431 | """Construct the logger."""
|
---|
| 432 | super(SquawkLogger, self).__init__("squawk", "Squawk code: %s",
|
---|
[22] | 433 | minDelay = 3.0, maxDelay = 10.0)
|
---|
[8] | 434 |
|
---|
| 435 | #---------------------------------------------------------------------------------------
|
---|
| 436 |
|
---|
| 437 | class LightsLogger(StateChangeLogger, SingleValueMixin, SimpleChangeMixin):
|
---|
| 438 | """Base class for the loggers of the various lights."""
|
---|
| 439 | def __init__(self, attrName, template):
|
---|
| 440 | """Construct the logger."""
|
---|
| 441 | StateChangeLogger.__init__(self)
|
---|
| 442 | SingleValueMixin.__init__(self, attrName)
|
---|
| 443 |
|
---|
| 444 | self._template = template
|
---|
| 445 |
|
---|
[241] | 446 | def _getMessage(self, flight, state):
|
---|
[8] | 447 | """Get the message from the given state."""
|
---|
| 448 | return self._template % ("ON" if self._getValue(state) else "OFF")
|
---|
| 449 |
|
---|
| 450 | #---------------------------------------------------------------------------------------
|
---|
| 451 |
|
---|
| 452 | class AnticollisionLightsLogger(LightsLogger):
|
---|
| 453 | """Logger for the anti-collision lights."""
|
---|
| 454 | def __init__(self):
|
---|
| 455 | LightsLogger.__init__(self, "antiCollisionLightsOn",
|
---|
| 456 | "Anti-collision lights: %s")
|
---|
| 457 |
|
---|
| 458 | #---------------------------------------------------------------------------------------
|
---|
| 459 |
|
---|
| 460 | class LandingLightsLogger(LightsLogger):
|
---|
| 461 | """Logger for the landing lights."""
|
---|
| 462 | def __init__(self):
|
---|
| 463 | LightsLogger.__init__(self, "landingLightsOn",
|
---|
| 464 | "Landing lights: %s")
|
---|
| 465 |
|
---|
| 466 | #---------------------------------------------------------------------------------------
|
---|
| 467 |
|
---|
| 468 | class StrobeLightsLogger(LightsLogger):
|
---|
| 469 | """Logger for the strobe lights."""
|
---|
| 470 | def __init__(self):
|
---|
| 471 | LightsLogger.__init__(self, "strobeLightsOn",
|
---|
| 472 | "Strobe lights: %s")
|
---|
| 473 |
|
---|
| 474 | #---------------------------------------------------------------------------------------
|
---|
| 475 |
|
---|
| 476 | class NavLightsLogger(LightsLogger):
|
---|
| 477 | """Logger for the navigational lights."""
|
---|
| 478 | def __init__(self):
|
---|
| 479 | LightsLogger.__init__(self, "navLightsOn",
|
---|
| 480 | "Navigational lights: %s")
|
---|
| 481 |
|
---|
| 482 | #---------------------------------------------------------------------------------------
|
---|
| 483 |
|
---|
| 484 | class FlapsLogger(StateChangeLogger, SingleValueMixin, SimpleChangeMixin):
|
---|
| 485 | """Logger for the flaps setting."""
|
---|
| 486 | def __init__(self):
|
---|
| 487 | """Construct the logger."""
|
---|
| 488 | StateChangeLogger.__init__(self, logInitial = True)
|
---|
| 489 | SingleValueMixin.__init__(self, "flapsSet")
|
---|
| 490 |
|
---|
[241] | 491 | def _getMessage(self, flight, state):
|
---|
[8] | 492 | """Get the message to log on a change."""
|
---|
| 493 | speed = state.groundSpeed if state.groundSpeed<80.0 else state.ias
|
---|
[241] | 494 | return "Flaps set to %.0f at %.0f %s" % \
|
---|
| 495 | (state.flapsSet, flight.speedFromKnots(speed),
|
---|
| 496 | flight.getEnglishSpeedUnit())
|
---|
[8] | 497 |
|
---|
| 498 | #---------------------------------------------------------------------------------------
|
---|
| 499 |
|
---|
| 500 | class GearsLogger(StateChangeLogger, SingleValueMixin, SimpleChangeMixin):
|
---|
| 501 | """Logger for the gears state."""
|
---|
| 502 | def __init__(self):
|
---|
| 503 | """Construct the logger."""
|
---|
| 504 | StateChangeLogger.__init__(self, logInitial = True)
|
---|
[209] | 505 | SingleValueMixin.__init__(self, "gearControlDown")
|
---|
[8] | 506 |
|
---|
[241] | 507 | def _getMessage(self, flight, state):
|
---|
[8] | 508 | """Get the message to log on a change."""
|
---|
[241] | 509 | return "Gears SET to %s at %.0f %s, %.0f feet" % \
|
---|
[209] | 510 | ("DOWN" if state.gearControlDown else "UP",
|
---|
[241] | 511 | flight.speedFromKnots(state.ias),
|
---|
| 512 | flight.getEnglishSpeedUnit(), state.altitude)
|
---|
[8] | 513 |
|
---|
| 514 | #---------------------------------------------------------------------------------------
|
---|
[11] | 515 |
|
---|
| 516 | class FaultChecker(StateChecker):
|
---|
| 517 | """Base class for checkers that look for faults."""
|
---|
| 518 | @staticmethod
|
---|
| 519 | def _appendDuring(flight, message):
|
---|
| 520 | """Append a 'during XXX' test to the given message, depending on the
|
---|
| 521 | flight stage."""
|
---|
| 522 | stageStr = const.stage2string(flight.stage)
|
---|
| 523 | return message if stageStr is None \
|
---|
| 524 | else (message + " during " + stageStr.upper())
|
---|
| 525 |
|
---|
| 526 | @staticmethod
|
---|
| 527 | def _getLinearScore(minFaultValue, maxFaultValue, minScore, maxScore,
|
---|
| 528 | value):
|
---|
| 529 | """Get the score for a faulty value where the score is calculated
|
---|
| 530 | linearly within a certain range."""
|
---|
| 531 | if value<minFaultValue:
|
---|
| 532 | return 0
|
---|
| 533 | elif value>maxFaultValue:
|
---|
| 534 | return maxScore
|
---|
| 535 | else:
|
---|
| 536 | return minScore + (maxScore-minScore) * (value-minFaultValue) / \
|
---|
| 537 | (maxFaultValue - minFaultValue)
|
---|
| 538 |
|
---|
| 539 | #---------------------------------------------------------------------------------------
|
---|
| 540 |
|
---|
| 541 | class SimpleFaultChecker(FaultChecker):
|
---|
| 542 | """Base class for fault checkers that check for a single occurence of a
|
---|
| 543 | faulty condition.
|
---|
| 544 |
|
---|
| 545 | Child classes should implement the following functions:
|
---|
| 546 | - isCondition(self, flight, aircraft, oldState, state): should return whether the
|
---|
| 547 | condition holds
|
---|
| 548 | - logFault(self, flight, aircraft, logger, oldState, state): log the fault
|
---|
| 549 | via the logger."""
|
---|
| 550 | def check(self, flight, aircraft, logger, oldState, state):
|
---|
| 551 | """Perform the check."""
|
---|
| 552 | if self.isCondition(flight, aircraft, oldState, state):
|
---|
| 553 | self.logFault(flight, aircraft, logger, oldState, state)
|
---|
| 554 |
|
---|
| 555 | #---------------------------------------------------------------------------------------
|
---|
| 556 |
|
---|
| 557 | class PatientFaultChecker(FaultChecker):
|
---|
| 558 | """A fault checker that does not decides on a fault when the condition
|
---|
| 559 | arises immediately, but can wait some time.
|
---|
| 560 |
|
---|
| 561 | Child classes should implement the following functions:
|
---|
| 562 | - isCondition(self, flight, aircraft, oldState, state): should return whether the
|
---|
| 563 | condition holds
|
---|
| 564 | - logFault(self, flight, aircraft, logger, oldState, state): log the fault
|
---|
| 565 | via the logger
|
---|
| 566 | """
|
---|
| 567 | def __init__(self, timeout = 2.0):
|
---|
| 568 | """Construct the fault checker with the given timeout."""
|
---|
| 569 | self._timeout = timeout
|
---|
| 570 | self._faultStarted = None
|
---|
| 571 |
|
---|
| 572 | def getTimeout(self, flight, aircraft, oldState, state):
|
---|
| 573 | """Get the timeout.
|
---|
| 574 |
|
---|
| 575 | This default implementation returns the timeout given in the
|
---|
| 576 | constructor, but child classes might want to enforce a different
|
---|
| 577 | policy."""
|
---|
| 578 | return self._timeout
|
---|
| 579 |
|
---|
| 580 | def check(self, flight, aircraft, logger, oldState, state):
|
---|
| 581 | """Perform the check."""
|
---|
| 582 | if self.isCondition(flight, aircraft, oldState, state):
|
---|
| 583 | if self._faultStarted is None:
|
---|
| 584 | self._faultStarted = state.timestamp
|
---|
| 585 | timeout = self.getTimeout(flight, aircraft, oldState, state)
|
---|
| 586 | if state.timestamp>=(self._faultStarted + timeout):
|
---|
| 587 | self.logFault(flight, aircraft, logger, oldState, state)
|
---|
| 588 | self._faultStarted = state.timestamp
|
---|
| 589 | else:
|
---|
| 590 | self._faultStarted = None
|
---|
| 591 |
|
---|
| 592 | #---------------------------------------------------------------------------------------
|
---|
| 593 |
|
---|
| 594 | class AntiCollisionLightsChecker(PatientFaultChecker):
|
---|
| 595 | """Check for the anti-collision light being off at high N1 values."""
|
---|
| 596 | def isCondition(self, flight, aircraft, oldState, state):
|
---|
| 597 | """Check if the fault condition holds."""
|
---|
| 598 | return (flight.stage!=const.STAGE_PARKING or \
|
---|
[183] | 599 | not flight.config.usingFS2Crew) and \
|
---|
[11] | 600 | not state.antiCollisionLightsOn and \
|
---|
[211] | 601 | self.isEngineCondition(state)
|
---|
[11] | 602 |
|
---|
| 603 | def logFault(self, flight, aircraft, logger, oldState, state):
|
---|
| 604 | """Log the fault."""
|
---|
[30] | 605 | flight.handleFault(AntiCollisionLightsChecker, state.timestamp,
|
---|
| 606 | FaultChecker._appendDuring(flight,
|
---|
| 607 | "Anti-collision lights were off"),
|
---|
| 608 | 1)
|
---|
[11] | 609 |
|
---|
[211] | 610 | def isEngineCondition(self, state):
|
---|
| 611 | """Determine if the engines are in such a state that the lights should
|
---|
| 612 | be on."""
|
---|
[263] | 613 | if state.n1 is not None:
|
---|
| 614 | return max(state.n1)>5
|
---|
| 615 | elif state.rpm is not None:
|
---|
| 616 | return max(state.rpm)>0
|
---|
| 617 | else:
|
---|
| 618 | return False
|
---|
[211] | 619 |
|
---|
| 620 | #---------------------------------------------------------------------------------------
|
---|
| 621 |
|
---|
| 622 | class TupolevAntiCollisionLightsChecker(AntiCollisionLightsChecker):
|
---|
| 623 | """Check for the anti-collision light for Tuplev planes."""
|
---|
[307] | 624 | def isCondition(self, flight, aircraft, oldState, state):
|
---|
| 625 | """Check if the fault condition holds."""
|
---|
| 626 | numEnginesRunning = 0
|
---|
| 627 | for n1 in state.n1:
|
---|
| 628 | if n1>5: numEnginesRunning += 1
|
---|
| 629 |
|
---|
| 630 | if flight.stage==const.STAGE_PARKING:
|
---|
| 631 | return numEnginesRunning<len(state.n1) \
|
---|
| 632 | and state.antiCollisionLightsOn
|
---|
| 633 | else:
|
---|
| 634 | return numEnginesRunning>1 and not state.antiCollisionLightsOn or \
|
---|
| 635 | numEnginesRunning<1 and state.antiCollisionLightsOn
|
---|
[211] | 636 |
|
---|
[11] | 637 | #---------------------------------------------------------------------------------------
|
---|
| 638 |
|
---|
| 639 | class BankChecker(SimpleFaultChecker):
|
---|
[263] | 640 | """Check for the bank is within limits."""
|
---|
[11] | 641 | def isCondition(self, flight, aircraft, oldState, state):
|
---|
| 642 | """Check if the fault condition holds."""
|
---|
| 643 | if flight.stage==const.STAGE_CRUISE:
|
---|
| 644 | bankLimit = 30
|
---|
| 645 | elif flight.stage in [const.STAGE_TAKEOFF, const.STAGE_CLIMB,
|
---|
| 646 | const.STAGE_DESCENT, const.STAGE_LANDING]:
|
---|
| 647 | bankLimit = 35
|
---|
| 648 | else:
|
---|
| 649 | return False
|
---|
| 650 |
|
---|
| 651 | return state.bank>bankLimit or state.bank<-bankLimit
|
---|
| 652 |
|
---|
| 653 | def logFault(self, flight, aircraft, logger, oldState, state):
|
---|
| 654 | """Log the fault."""
|
---|
[30] | 655 | flight.handleFault(BankChecker, state.timestamp,
|
---|
| 656 | FaultChecker._appendDuring(flight, "Bank too steep"),
|
---|
| 657 | 2)
|
---|
[11] | 658 |
|
---|
| 659 | #---------------------------------------------------------------------------------------
|
---|
| 660 |
|
---|
| 661 | class FlapsRetractChecker(SimpleFaultChecker):
|
---|
| 662 | """Check if the flaps are not retracted too early."""
|
---|
[13] | 663 | def __init__(self):
|
---|
| 664 | """Construct the flaps checker."""
|
---|
| 665 | self._timeStart = None
|
---|
| 666 |
|
---|
[11] | 667 | def isCondition(self, flight, aircraft, oldState, state):
|
---|
| 668 | """Check if the fault condition holds.
|
---|
| 669 |
|
---|
| 670 | FIXME: check if this really is the intention (FlapsRetractedMistake.java)"""
|
---|
| 671 | if (flight.stage==const.STAGE_TAKEOFF and not state.onTheGround) or \
|
---|
| 672 | (flight.stage==const.STAGE_LANDING and state.onTheGround):
|
---|
| 673 | if self._timeStart is None:
|
---|
| 674 | self._timeStart = state.timestamp
|
---|
| 675 |
|
---|
| 676 | if state.flapsSet==0 and state.timestamp<=(self._timeStart+2.0):
|
---|
| 677 | return True
|
---|
[13] | 678 | else:
|
---|
| 679 | self._timeStart = None
|
---|
[11] | 680 | return False
|
---|
| 681 |
|
---|
| 682 | def logFault(self, flight, aircraft, logger, oldState, state):
|
---|
| 683 | """Log the fault."""
|
---|
[30] | 684 | flight.handleFault(FlapsRetractChecker, state.timestamp,
|
---|
| 685 | FaultChecker._appendDuring(flight, "Flaps retracted"),
|
---|
| 686 | 20)
|
---|
[11] | 687 |
|
---|
| 688 | #---------------------------------------------------------------------------------------
|
---|
| 689 |
|
---|
| 690 | class FlapsSpeedLimitChecker(SimpleFaultChecker):
|
---|
| 691 | """Check if the flaps are extended only at the right speeds."""
|
---|
| 692 | def isCondition(self, flight, aircraft, oldState, state):
|
---|
| 693 | """Check if the fault condition holds."""
|
---|
| 694 | speedLimit = aircraft.getFlapsSpeedLimit(state.flapsSet)
|
---|
[197] | 695 | return speedLimit is not None and state.smoothedIAS>speedLimit
|
---|
[11] | 696 |
|
---|
| 697 | def logFault(self, flight, aircraft, logger, oldState, state):
|
---|
| 698 | """Log the fault."""
|
---|
[30] | 699 | flight.handleFault(FlapsSpeedLimitChecker, state.timestamp,
|
---|
| 700 | FaultChecker._appendDuring(flight, "Flap speed limit fault"),
|
---|
| 701 | 5)
|
---|
[11] | 702 |
|
---|
| 703 | #---------------------------------------------------------------------------------------
|
---|
| 704 |
|
---|
| 705 | class GearsDownChecker(SimpleFaultChecker):
|
---|
| 706 | """Check if the gears are down at low altitudes."""
|
---|
| 707 | def isCondition(self, flight, aircraft, oldState, state):
|
---|
| 708 | """Check if the fault condition holds."""
|
---|
| 709 | return state.radioAltitude<10 and not state.gearsDown and \
|
---|
| 710 | flight.stage!=const.STAGE_TAKEOFF
|
---|
| 711 |
|
---|
| 712 | def logFault(self, flight, aircraft, logger, oldState, state):
|
---|
| 713 | """Log the fault."""
|
---|
[30] | 714 | flight.handleNoGo(GearsDownChecker, state.timestamp,
|
---|
| 715 | "Gears not down at %.0f feet radio altitude" % \
|
---|
| 716 | (state.radioAltitude,),
|
---|
| 717 | "GEAR DOWN NO GO")
|
---|
[11] | 718 |
|
---|
| 719 | #---------------------------------------------------------------------------------------
|
---|
| 720 |
|
---|
| 721 | class GearSpeedLimitChecker(PatientFaultChecker):
|
---|
| 722 | """Check if the gears not down at too high a speed."""
|
---|
| 723 | def isCondition(self, flight, aircraft, oldState, state):
|
---|
| 724 | """Check if the fault condition holds."""
|
---|
[197] | 725 | return state.gearsDown and state.smoothedIAS>aircraft.gearSpeedLimit
|
---|
[11] | 726 |
|
---|
| 727 | def logFault(self, flight, aircraft, logger, oldState, state):
|
---|
| 728 | """Log the fault."""
|
---|
[30] | 729 | flight.handleFault(GearSpeedLimitChecker, state.timestamp,
|
---|
| 730 | FaultChecker._appendDuring(flight, "Gear speed limit fault"),
|
---|
| 731 | 5)
|
---|
[11] | 732 |
|
---|
| 733 | #---------------------------------------------------------------------------------------
|
---|
| 734 |
|
---|
| 735 | class GLoadChecker(SimpleFaultChecker):
|
---|
| 736 | """Check if the G-load does not exceed 2 except during flare."""
|
---|
| 737 | def isCondition(self, flight, aircraft, oldState, state):
|
---|
| 738 | """Check if the fault condition holds."""
|
---|
| 739 | return state.gLoad>2.0 and (flight.stage!=const.STAGE_LANDING or \
|
---|
| 740 | state.radioAltitude>=50)
|
---|
| 741 |
|
---|
| 742 | def logFault(self, flight, aircraft, logger, oldState, state):
|
---|
| 743 | """Log the fault."""
|
---|
[30] | 744 | flight.handleFault(GLoadChecker, state.timestamp,
|
---|
| 745 | "G-load was %.2f" % (state.gLoad,),
|
---|
| 746 | 10)
|
---|
[11] | 747 |
|
---|
| 748 | #---------------------------------------------------------------------------------------
|
---|
| 749 |
|
---|
| 750 | class LandingLightsChecker(PatientFaultChecker):
|
---|
| 751 | """Check if the landing lights are used properly."""
|
---|
| 752 | def getTimeout(self, flight, aircraft, oldState, state):
|
---|
| 753 | """Get the timeout.
|
---|
| 754 |
|
---|
| 755 | It is the default timeout except for landing and takeoff."""
|
---|
| 756 | return 0.0 if flight.stage in [const.STAGE_TAKEOFF,
|
---|
| 757 | const.STAGE_LANDING] else self._timeout
|
---|
| 758 |
|
---|
| 759 | def isCondition(self, flight, aircraft, oldState, state):
|
---|
| 760 | """Check if the fault condition holds."""
|
---|
| 761 | return (flight.stage==const.STAGE_BOARDING and \
|
---|
| 762 | state.landingLightsOn and state.onTheGround) or \
|
---|
| 763 | (flight.stage==const.STAGE_TAKEOFF and \
|
---|
| 764 | not state.landingLightsOn and not state.onTheGround) or \
|
---|
| 765 | (flight.stage in [const.STAGE_CLIMB, const.STAGE_CRUISE,
|
---|
| 766 | const.STAGE_DESCENT] and \
|
---|
| 767 | state.landingLightsOn and state.altitude>12500) or \
|
---|
| 768 | (flight.stage==const.STAGE_LANDING and \
|
---|
| 769 | not state.landingLightsOn and state.onTheGround) or \
|
---|
| 770 | (flight.stage==const.STAGE_PARKING and \
|
---|
| 771 | state.landingLightsOn and state.onTheGround)
|
---|
| 772 |
|
---|
| 773 | def logFault(self, flight, aircraft, logger, oldState, state):
|
---|
| 774 | """Log the fault."""
|
---|
| 775 | score = 0 if flight.stage==const.STAGE_LANDING else 1
|
---|
| 776 | message = "Landing lights were %s" % (("on" if state.landingLightsOn else "off"),)
|
---|
[30] | 777 | flight.handleFault(LandingLightsChecker, state.timestamp,
|
---|
| 778 | FaultChecker._appendDuring(flight, message),
|
---|
| 779 | score)
|
---|
[11] | 780 |
|
---|
| 781 | #---------------------------------------------------------------------------------------
|
---|
| 782 |
|
---|
| 783 | class WeightChecker(PatientFaultChecker):
|
---|
| 784 | """Base class for checkers that check that some limit is not exceeded."""
|
---|
| 785 | def __init__(self, name):
|
---|
| 786 | """Construct the checker."""
|
---|
| 787 | super(WeightChecker, self).__init__(timeout = 5.0)
|
---|
| 788 | self._name = name
|
---|
| 789 |
|
---|
| 790 | def isCondition(self, flight, aircraft, oldState, state):
|
---|
| 791 | """Check if the fault condition holds."""
|
---|
| 792 | if flight.entranceExam:
|
---|
| 793 | return False
|
---|
| 794 |
|
---|
| 795 | limit = self.getLimit(flight, aircraft, state)
|
---|
| 796 | if limit is not None:
|
---|
[183] | 797 | #if flight.options.compensation is not None:
|
---|
| 798 | # limit += flight.options.compensation
|
---|
[13] | 799 | return self.getWeight(state)>limit
|
---|
[11] | 800 |
|
---|
| 801 | return False
|
---|
| 802 |
|
---|
| 803 | def logFault(self, flight, aircraft, logger, oldState, state):
|
---|
| 804 | """Log the fault."""
|
---|
[13] | 805 | mname = "M" + self._name
|
---|
[30] | 806 | flight.handleNoGo(self.__class__, state.timestamp,
|
---|
| 807 | "%s exceeded: %s is %.0f kg" % \
|
---|
| 808 | (mname, self._name, self.getWeight(state)),
|
---|
| 809 | "%s NO GO" % (mname,))
|
---|
[13] | 810 |
|
---|
| 811 | def getWeight(self, state):
|
---|
| 812 | """Get the weight that is interesting for us."""
|
---|
| 813 | return state.grossWeight
|
---|
[11] | 814 |
|
---|
| 815 | #---------------------------------------------------------------------------------------
|
---|
| 816 |
|
---|
| 817 | class MLWChecker(WeightChecker):
|
---|
| 818 | """Checks if the MLW is not exceeded on landing."""
|
---|
| 819 | def __init__(self):
|
---|
| 820 | """Construct the checker."""
|
---|
[13] | 821 | super(MLWChecker, self).__init__("LW")
|
---|
[11] | 822 |
|
---|
[13] | 823 | def getLimit(self, flight, aircraft, state):
|
---|
[11] | 824 | """Get the limit if we are in the right state."""
|
---|
| 825 | return aircraft.mlw if flight.stage==const.STAGE_LANDING and \
|
---|
[184] | 826 | state.onTheGround and \
|
---|
| 827 | not flight.entranceExam else None
|
---|
[11] | 828 |
|
---|
| 829 | #---------------------------------------------------------------------------------------
|
---|
| 830 |
|
---|
| 831 | class MTOWChecker(WeightChecker):
|
---|
| 832 | """Checks if the MTOW is not exceeded on landing."""
|
---|
| 833 | def __init__(self):
|
---|
| 834 | """Construct the checker."""
|
---|
[13] | 835 | super(MTOWChecker, self).__init__("TOW")
|
---|
[11] | 836 |
|
---|
[13] | 837 | def getLimit(self, flight, aircraft, state):
|
---|
[11] | 838 | """Get the limit if we are in the right state."""
|
---|
[184] | 839 | return aircraft.mtow if flight.stage==const.STAGE_TAKEOFF and \
|
---|
| 840 | not flight.entranceExam else None
|
---|
[11] | 841 |
|
---|
| 842 | #---------------------------------------------------------------------------------------
|
---|
| 843 |
|
---|
| 844 | class MZFWChecker(WeightChecker):
|
---|
[60] | 845 | """Checks if the MZFW is not exceeded on landing."""
|
---|
[11] | 846 | def __init__(self):
|
---|
| 847 | """Construct the checker."""
|
---|
[13] | 848 | super(MZFWChecker, self).__init__("ZFW")
|
---|
[11] | 849 |
|
---|
[13] | 850 | def getLimit(self, flight, aircraft, state):
|
---|
[11] | 851 | """Get the limit if we are in the right state."""
|
---|
[184] | 852 | return aircraft.mzfw if not flight.entranceExam else None
|
---|
[11] | 853 |
|
---|
[13] | 854 | def getWeight(self, state):
|
---|
| 855 | """Get the weight that is interesting for us."""
|
---|
| 856 | return state.zfw
|
---|
| 857 |
|
---|
[11] | 858 | #---------------------------------------------------------------------------------------
|
---|
| 859 |
|
---|
| 860 | class NavLightsChecker(PatientFaultChecker):
|
---|
| 861 | """Check if the navigational lights are used properly."""
|
---|
| 862 | def isCondition(self, flight, aircraft, oldState, state):
|
---|
| 863 | """Check if the fault condition holds."""
|
---|
| 864 | return flight.stage!=const.STAGE_BOARDING and \
|
---|
| 865 | flight.stage!=const.STAGE_PARKING and \
|
---|
| 866 | not state.navLightsOn
|
---|
| 867 |
|
---|
| 868 | def logFault(self, flight, aircraft, logger, oldState, state):
|
---|
| 869 | """Log the fault."""
|
---|
[30] | 870 | flight.handleFault(NavLightsChecker, state.timestamp,
|
---|
| 871 | FaultChecker._appendDuring(flight,
|
---|
| 872 | "Navigation lights were off"),
|
---|
| 873 | 1)
|
---|
[11] | 874 |
|
---|
| 875 | #---------------------------------------------------------------------------------------
|
---|
| 876 |
|
---|
| 877 | class OverspeedChecker(PatientFaultChecker):
|
---|
| 878 | """Check if Vne has been exceeded."""
|
---|
[197] | 879 | def __init__(self, timeout = 5.0):
|
---|
[11] | 880 | """Construct the checker."""
|
---|
[197] | 881 | super(OverspeedChecker, self).__init__(timeout = timeout)
|
---|
[11] | 882 |
|
---|
| 883 | def isCondition(self, flight, aircraft, oldState, state):
|
---|
| 884 | """Check if the fault condition holds."""
|
---|
| 885 | return state.overspeed
|
---|
| 886 |
|
---|
| 887 | def logFault(self, flight, aircraft, logger, oldState, state):
|
---|
| 888 | """Log the fault."""
|
---|
[30] | 889 | flight.handleFault(OverspeedChecker, state.timestamp,
|
---|
| 890 | FaultChecker._appendDuring(flight, "Overspeed"),
|
---|
| 891 | 20)
|
---|
[11] | 892 |
|
---|
| 893 | #---------------------------------------------------------------------------------------
|
---|
| 894 |
|
---|
| 895 | class PayloadChecker(SimpleFaultChecker):
|
---|
| 896 | """Check if the payload matches the specification."""
|
---|
| 897 | TOLERANCE=550
|
---|
[60] | 898 |
|
---|
| 899 | @staticmethod
|
---|
| 900 | def isZFWFaulty(aircraftZFW, flightZFW):
|
---|
| 901 | """Check if the given aircraft's ZFW is outside of the limits."""
|
---|
| 902 | return aircraftZFW < (flightZFW - PayloadChecker.TOLERANCE) or \
|
---|
| 903 | aircraftZFW > (flightZFW + PayloadChecker.TOLERANCE)
|
---|
[11] | 904 |
|
---|
| 905 | def isCondition(self, flight, aircraft, oldState, state):
|
---|
| 906 | """Check if the fault condition holds."""
|
---|
[192] | 907 | return not flight.entranceExam and \
|
---|
[184] | 908 | flight.stage==const.STAGE_PUSHANDTAXI and \
|
---|
[60] | 909 | PayloadChecker.isZFWFaulty(state.zfw, flight.zfw)
|
---|
[11] | 910 |
|
---|
| 911 | def logFault(self, flight, aircraft, logger, oldState, state):
|
---|
| 912 | """Log the fault."""
|
---|
[30] | 913 | flight.handleNoGo(PayloadChecker, state.timestamp,
|
---|
| 914 | "ZFW difference is more than %d kgs" % \
|
---|
| 915 | (PayloadChecker.TOLERANCE,),
|
---|
| 916 | "ZFW NO GO")
|
---|
[11] | 917 |
|
---|
| 918 | #---------------------------------------------------------------------------------------
|
---|
| 919 |
|
---|
| 920 | class PitotChecker(PatientFaultChecker):
|
---|
| 921 | """Check if pitot heat is on."""
|
---|
| 922 | def __init__(self):
|
---|
| 923 | """Construct the checker."""
|
---|
| 924 | super(PitotChecker, self).__init__(timeout = 3.0)
|
---|
| 925 |
|
---|
| 926 | def isCondition(self, flight, aircraft, oldState, state):
|
---|
| 927 | """Check if the fault condition holds."""
|
---|
[13] | 928 | return state.groundSpeed>80 and not state.pitotHeatOn
|
---|
[11] | 929 |
|
---|
| 930 | def logFault(self, flight, aircraft, logger, oldState, state):
|
---|
| 931 | """Log the fault."""
|
---|
| 932 | score = 2 if flight.stage in [const.STAGE_TAKEOFF, const.STAGE_CLIMB,
|
---|
| 933 | const.STAGE_CRUISE, const.STAGE_DESCENT,
|
---|
| 934 | const.STAGE_LANDING] else 0
|
---|
[30] | 935 | flight.handleFault(PitotChecker, state.timestamp,
|
---|
| 936 | FaultChecker._appendDuring(flight, "Pitot heat was off"),
|
---|
| 937 | score)
|
---|
[11] | 938 |
|
---|
| 939 | #---------------------------------------------------------------------------------------
|
---|
| 940 |
|
---|
| 941 | class ReverserChecker(SimpleFaultChecker):
|
---|
| 942 | """Check if the reverser is not used below 60 knots."""
|
---|
| 943 | def isCondition(self, flight, aircraft, oldState, state):
|
---|
| 944 | """Check if the fault condition holds."""
|
---|
| 945 | return flight.stage in [const.STAGE_DESCENT, const.STAGE_LANDING,
|
---|
| 946 | const.STAGE_TAXIAFTERLAND] and \
|
---|
[25] | 947 | state.groundSpeed<60 and max(state.reverser)
|
---|
[11] | 948 |
|
---|
| 949 | def logFault(self, flight, aircraft, logger, oldState, state):
|
---|
| 950 | """Log the fault."""
|
---|
[241] | 951 | message = "Reverser used below %.0f %s" % \
|
---|
| 952 | (flight.speedFromKnots(60), flight.getEnglishSpeedUnit())
|
---|
[30] | 953 | flight.handleFault(ReverserChecker, state.timestamp,
|
---|
[241] | 954 | FaultChecker._appendDuring(flight, message),
|
---|
| 955 | 15)
|
---|
[11] | 956 |
|
---|
| 957 | #---------------------------------------------------------------------------------------
|
---|
| 958 |
|
---|
| 959 | class SpeedChecker(SimpleFaultChecker):
|
---|
| 960 | """Check if the speed is in the prescribed limits."""
|
---|
| 961 | def isCondition(self, flight, aircraft, oldState, state):
|
---|
| 962 | """Check if the fault condition holds."""
|
---|
| 963 | return flight.stage in [const.STAGE_PUSHANDTAXI,
|
---|
| 964 | const.STAGE_TAXIAFTERLAND] and \
|
---|
| 965 | state.groundSpeed>50
|
---|
| 966 |
|
---|
| 967 | def logFault(self, flight, aircraft, logger, oldState, state):
|
---|
| 968 | """Log the fault."""
|
---|
[241] | 969 | message = "Taxi speed over %.0f %s" % \
|
---|
| 970 | (flight.speedFromKnots(50), flight.getEnglishSpeedUnit())
|
---|
[30] | 971 | flight.handleFault(SpeedChecker, state.timestamp,
|
---|
[241] | 972 | FaultChecker._appendDuring(flight, message),
|
---|
[30] | 973 | FaultChecker._getLinearScore(50, 80, 10, 15,
|
---|
| 974 | state.groundSpeed))
|
---|
[11] | 975 |
|
---|
| 976 | #---------------------------------------------------------------------------------------
|
---|
| 977 |
|
---|
| 978 | class StallChecker(PatientFaultChecker):
|
---|
| 979 | """Check if stall occured."""
|
---|
| 980 | def isCondition(self, flight, aircraft, oldState, state):
|
---|
| 981 | """Check if the fault condition holds."""
|
---|
| 982 | return flight.stage in [const.STAGE_TAKEOFF, const.STAGE_CLIMB,
|
---|
| 983 | const.STAGE_CRUISE, const.STAGE_DESCENT,
|
---|
| 984 | const.STAGE_LANDING] and state.stalled
|
---|
| 985 |
|
---|
| 986 | def logFault(self, flight, aircraft, logger, oldState, state):
|
---|
| 987 | """Log the fault."""
|
---|
| 988 | score = 40 if flight.stage in [const.STAGE_TAKEOFF,
|
---|
| 989 | const.STAGE_LANDING] else 30
|
---|
[30] | 990 | flight.handleFault(StallChecker, state.timestamp,
|
---|
| 991 | FaultChecker._appendDuring(flight, "Stalled"),
|
---|
| 992 | score)
|
---|
[11] | 993 |
|
---|
| 994 | #---------------------------------------------------------------------------------------
|
---|
| 995 |
|
---|
| 996 | class StrobeLightsChecker(PatientFaultChecker):
|
---|
| 997 | """Check if the strobe lights are used properly."""
|
---|
| 998 | def isCondition(self, flight, aircraft, oldState, state):
|
---|
| 999 | """Check if the fault condition holds."""
|
---|
[211] | 1000 | return (flight.stage==const.STAGE_BOARDING and \
|
---|
| 1001 | state.strobeLightsOn and state.onTheGround) or \
|
---|
| 1002 | (flight.stage==const.STAGE_TAKEOFF and \
|
---|
| 1003 | not state.strobeLightsOn and not state.gearsDown) or \
|
---|
| 1004 | (flight.stage in [const.STAGE_CLIMB, const.STAGE_CRUISE,
|
---|
| 1005 | const.STAGE_DESCENT] and \
|
---|
| 1006 | not state.strobeLightsOn and not state.onTheGround) or \
|
---|
| 1007 | (flight.stage==const.STAGE_PARKING and \
|
---|
| 1008 | state.strobeLightsOn and state.onTheGround)
|
---|
[11] | 1009 |
|
---|
| 1010 | def logFault(self, flight, aircraft, logger, oldState, state):
|
---|
| 1011 | """Log the fault."""
|
---|
| 1012 | message = "Strobe lights were %s" % (("on" if state.strobeLightsOn else "off"),)
|
---|
[30] | 1013 | flight.handleFault(StrobeLightsChecker, state.timestamp,
|
---|
| 1014 | FaultChecker._appendDuring(flight, message),
|
---|
| 1015 | 1)
|
---|
[11] | 1016 |
|
---|
| 1017 | #---------------------------------------------------------------------------------------
|
---|
| 1018 |
|
---|
| 1019 | class ThrustChecker(SimpleFaultChecker):
|
---|
| 1020 | """Check if the thrust setting is not too high during takeoff.
|
---|
| 1021 |
|
---|
| 1022 | FIXME: is this really so general, for all aircraft?"""
|
---|
| 1023 | def isCondition(self, flight, aircraft, oldState, state):
|
---|
| 1024 | """Check if the fault condition holds."""
|
---|
[263] | 1025 | return flight.stage==const.STAGE_TAKEOFF and \
|
---|
| 1026 | state.n1 is not None and max(state.n1)>97
|
---|
[11] | 1027 |
|
---|
| 1028 | def logFault(self, flight, aircraft, logger, oldState, state):
|
---|
| 1029 | """Log the fault."""
|
---|
[30] | 1030 | flight.handleFault(ThrustChecker, state.timestamp,
|
---|
| 1031 | FaultChecker._appendDuring(flight,
|
---|
| 1032 | "Thrust setting was too high (>97%)"),
|
---|
| 1033 | FaultChecker._getLinearScore(97, 110, 0, 10, max(state.n1)))
|
---|
[11] | 1034 |
|
---|
| 1035 | #---------------------------------------------------------------------------------------
|
---|
| 1036 |
|
---|
| 1037 | class VSChecker(SimpleFaultChecker):
|
---|
| 1038 | """Check if the vertical speed is not too low at certain altitudes"""
|
---|
| 1039 | BELOW10000 = -5000
|
---|
| 1040 | BELOW5000 = -2500
|
---|
| 1041 | BELOW2500 = -1500
|
---|
| 1042 | BELOW500 = -1000
|
---|
| 1043 | TOLERANCE = 1.2
|
---|
| 1044 |
|
---|
| 1045 | def isCondition(self, flight, aircraft, oldState, state):
|
---|
| 1046 | """Check if the fault condition holds."""
|
---|
[197] | 1047 | vs = state.smoothedVS
|
---|
[11] | 1048 | altitude = state.altitude
|
---|
| 1049 | return vs < -8000 or vs > 8000 or \
|
---|
| 1050 | (altitude<500 and vs < (VSChecker.BELOW500 *
|
---|
[13] | 1051 | VSChecker.TOLERANCE)) or \
|
---|
[11] | 1052 | (altitude<2500 and vs < (VSChecker.BELOW2500 *
|
---|
[13] | 1053 | VSChecker.TOLERANCE)) or \
|
---|
[11] | 1054 | (altitude<5000 and vs < (VSChecker.BELOW5000 *
|
---|
[13] | 1055 | VSChecker.TOLERANCE)) or \
|
---|
[11] | 1056 | (altitude<10000 and vs < (VSChecker.BELOW10000 *
|
---|
[13] | 1057 | VSChecker.TOLERANCE))
|
---|
[11] | 1058 |
|
---|
| 1059 | def logFault(self, flight, aircraft, logger, oldState, state):
|
---|
| 1060 | """Log the fault."""
|
---|
[197] | 1061 | vs = state.smoothedVS
|
---|
[11] | 1062 |
|
---|
| 1063 | message = "Vertical speed was %.0f feet/min" % (vs,)
|
---|
| 1064 | if vs>-8000 and vs<8000:
|
---|
| 1065 | message += " at %.0f feet (exceeds company limit)" % (state.altitude,)
|
---|
| 1066 |
|
---|
| 1067 | score = 10 if vs<-8000 or vs>8000 else 0
|
---|
| 1068 |
|
---|
[30] | 1069 | flight.handleFault(VSChecker, state.timestamp,
|
---|
| 1070 | FaultChecker._appendDuring(flight, message),
|
---|
| 1071 | score)
|
---|
[11] | 1072 |
|
---|
| 1073 | #---------------------------------------------------------------------------------------
|
---|