[8] | 1 | # The various checks that may be performed during flight
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| 2 |
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| 3 | #---------------------------------------------------------------------------------------
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| 4 |
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[134] | 5 | import fs
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[8] | 6 | import const
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[134] | 7 | import util
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[8] | 8 |
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| 9 | #---------------------------------------------------------------------------------------
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| 10 |
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| 11 | class StateChecker(object):
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| 12 | """Base class for classes the instances of which check the aircraft's state
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| 13 | from some aspect.
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| 14 |
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| 15 | As a result of the check they may log something, or notify of some fault, etc."""
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| 16 | def check(self, flight, aircraft, logger, oldState, state):
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| 17 | """Perform the check and do whatever is needed.
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| 18 |
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| 19 | This default implementation raises a NotImplementedError."""
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| 20 | raise NotImplementedError()
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| 21 |
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| 22 | #---------------------------------------------------------------------------------------
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| 23 |
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| 24 | class StageChecker(StateChecker):
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| 25 | """Check the flight stage transitions."""
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[25] | 26 | def __init__(self):
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| 27 | """Construct the stage checker."""
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| 28 | self._flareStarted = False
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| 29 |
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[8] | 30 | def check(self, flight, aircraft, logger, oldState, state):
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| 31 | """Check the stage of the aircraft."""
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| 32 | stage = flight.stage
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| 33 | if stage==None:
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| 34 | aircraft.setStage(state, const.STAGE_BOARDING)
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| 35 | elif stage==const.STAGE_BOARDING:
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| 36 | if not state.parking or \
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| 37 | (not state.trickMode and state.groundSpeed>5.0):
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| 38 | aircraft.setStage(state, const.STAGE_PUSHANDTAXI)
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| 39 | elif stage==const.STAGE_PUSHANDTAXI or stage==const.STAGE_RTO:
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| 40 | if state.landingLightsOn or state.strobeLightsOn or \
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| 41 | state.groundSpeed>80.0:
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| 42 | aircraft.setStage(state, const.STAGE_TAKEOFF)
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| 43 | elif stage==const.STAGE_TAKEOFF:
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| 44 | if not state.gearsDown or \
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| 45 | (state.radioAltitude>3000.0 and state.vs>0):
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| 46 | aircraft.setStage(state, const.STAGE_CLIMB)
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| 47 | elif not state.landingLightsOn and \
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| 48 | not state.strobeLightsOn and \
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| 49 | state.onTheGround and \
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| 50 | state.groundSpeed<50.0:
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| 51 | aircraft.setStage(state, const.STAGE_RTO)
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| 52 | elif stage==const.STAGE_CLIMB:
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| 53 | if (state.altitude+2000) > flight.cruiseAltitude:
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| 54 | aircraft.setStage(state, const.STAGE_CRUISE)
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| 55 | elif state.radioAltitude<2000.0 and \
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| 56 | state.vs < 0.0 and state.gearsDown:
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| 57 | aircraft.setStage(state, const.STAGE_LANDING)
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| 58 | elif stage==const.STAGE_CRUISE:
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| 59 | if (state.altitude+2000) < flight.cruiseAltitude:
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| 60 | aircraft.setStage(state, const.STAGE_DESCENT)
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| 61 | elif stage==const.STAGE_DESCENT or stage==const.STAGE_GOAROUND:
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| 62 | if state.gearsDown and state.radioAltitude<2000.0:
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| 63 | aircraft.setStage(state, const.STAGE_LANDING)
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| 64 | elif (state.altitude+2000) > flight.cruiseAltitude:
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| 65 | aircraft.setStage(state, const.STAGE_CRUISE)
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| 66 | elif stage==const.STAGE_LANDING:
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| 67 | if state.onTheGround and state.groundSpeed<50.0:
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| 68 | aircraft.setStage(state, const.STAGE_TAXIAFTERLAND)
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| 69 | elif not state.gearsDown:
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| 70 | aircraft.setStage(state, const.STAGE_GOAROUND)
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[25] | 71 | elif state.radioAltitude>200 and self._flareStarted:
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[8] | 72 | aircraft.cancelFlare()
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[25] | 73 | self._flareStarted = False
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| 74 | elif state.radioAltitude<150 and not state.onTheGround and \
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| 75 | not self._flareStarted:
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| 76 | self._flareStarted = True
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[9] | 77 | aircraft.prepareFlare()
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[8] | 78 | elif stage==const.STAGE_TAXIAFTERLAND:
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| 79 | if state.parking:
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| 80 | aircraft.setStage(state, const.STAGE_PARKING)
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| 81 | elif stage==const.STAGE_PARKING:
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| 82 | if aircraft.checkFlightEnd(state):
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| 83 | aircraft.setStage(state, const.STAGE_END)
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| 84 |
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| 85 | #---------------------------------------------------------------------------------------
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| 86 |
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[9] | 87 | class TakeOffLogger(StateChecker):
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| 88 | """Logger for the cruise speed."""
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| 89 | def __init__(self):
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| 90 | """Construct the logger."""
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| 91 | self._onTheGround = True
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| 92 |
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| 93 | def check(self, flight, aircraft, logger, oldState, state):
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| 94 | """Log the cruise speed if necessary."""
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| 95 | if flight.stage==const.STAGE_TAKEOFF and \
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| 96 | self._onTheGround and not state.onTheGround:
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| 97 | logger.message(state.timestamp,
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| 98 | "Takeoff speed: %.0f knots" % (state.ias,))
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| 99 | logger.message(state.timestamp,
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| 100 | "Takeoff heading: %03.0f degrees" % (state.heading,))
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| 101 | logger.message(state.timestamp,
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| 102 | "Takeoff pitch: %.1f degrees" % (state.pitch,))
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| 103 | self._onTheGround = False
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| 104 |
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| 105 | #---------------------------------------------------------------------------------------
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| 106 |
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| 107 | class CruiseSpeedLogger(StateChecker):
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| 108 | """Logger for the cruise speed."""
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| 109 | def __init__(self):
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| 110 | """Construct the logger."""
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| 111 | self._lastTime = None
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| 112 |
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| 113 | def check(self, flight, aircraft, logger, oldState, state):
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| 114 | """Log the cruise speed if necessary."""
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| 115 | if flight.stage==const.STAGE_CRUISE and \
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| 116 | (self._lastTime is None or \
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| 117 | (self._lastTime+800)<=state.timestamp):
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| 118 | if state.altitude>24500.0:
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| 119 | logger.message(state.timestamp,
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[10] | 120 | "Cruise speed: %.3f mach" % (state.mach,))
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[9] | 121 | else:
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| 122 | logger.message(state.timestamp,
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| 123 | "Cruise speed: %.0f knots" % (state.ias,))
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| 124 | self._lastTime = state.timestamp
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| 125 |
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| 126 | #---------------------------------------------------------------------------------------
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| 127 |
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[10] | 128 | class SpoilerLogger(StateChecker):
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| 129 | """Logger for the cruise speed."""
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| 130 | def __init__(self):
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| 131 | """Construct the logger."""
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| 132 | self._logged = False
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[13] | 133 | self._spoilersExtension = None
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[10] | 134 |
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| 135 | def check(self, flight, aircraft, logger, oldState, state):
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| 136 | """Log the cruise speed if necessary."""
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| 137 | if flight.stage==const.STAGE_LANDING and not self._logged:
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| 138 | if state.onTheGround:
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[13] | 139 | if state.spoilersExtension!=self._spoilersExtension:
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[10] | 140 | logger.message(state.timestamp, "Spoilers deployed")
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| 141 | self._logged = True
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| 142 | else:
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[13] | 143 | self._spoilersExtension = state.spoilersExtension
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[10] | 144 |
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| 145 | #---------------------------------------------------------------------------------------
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| 146 |
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[134] | 147 | class VisibilityChecker(StateChecker):
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| 148 | """Inform the pilot of the visibility once when descending below 2000 ft,
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| 149 | then when descending below 1000 ft."""
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| 150 | def __init__(self):
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| 151 | """Construct the visibility checker."""
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| 152 | self._informedBelow2000 = False
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| 153 | self._informedBelow1000 = False
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| 154 |
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| 155 | def check(self, flight, aircraft, logger, oldState, state):
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| 156 | """Check if we need to inform the pilot of the visibility."""
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| 157 | if flight.stage==const.STAGE_DESCENT or \
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| 158 | flight.stage==const.STAGE_LANDING:
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| 159 | if (state.radioAltitude<2000 and not self._informedBelow2000) or \
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| 160 | (state.radioAltitude<1000 and not self._informedBelow1000):
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| 161 | visibilityString = util.visibility2String(state.visibility)
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| 162 | fs.sendMessage(const.MESSAGETYPE_VISIBILITY,
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| 163 | "Current visibility: " + visibilityString,
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| 164 | 5)
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| 165 | logger.message(state.timestamp,
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| 166 | "Pilot was informed about the visibility: " +
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| 167 | visibilityString)
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| 168 | self._informedBelow2000 = True
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| 169 | self._informedBelow1000 = state.radioAltitude<1000
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| 170 |
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| 171 | #---------------------------------------------------------------------------------------
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| 172 |
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[8] | 173 | class StateChangeLogger(StateChecker):
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| 174 | """Base class for classes the instances of which check if a specific change has
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| 175 | occured in the aircraft's state, and log such change."""
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| 176 | def __init__(self, logInitial = True):
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| 177 | """Construct the logger.
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| 178 |
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| 179 | If logInitial is True, the initial value will be logged, not just the
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| 180 | changes later.
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| 181 |
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| 182 | Child classes should define the following functions:
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| 183 | - _changed(self, oldState, state): returns a boolean indicating if the
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| 184 | value has changed or not
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| 185 | - _getMessage(self, state): return a strings containing the message to log
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| 186 | with the new value
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| 187 | """
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| 188 | self._logInitial = logInitial
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| 189 |
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[22] | 190 | def _getLogTimestamp(self, state):
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| 191 | """Get the log timestamp."""
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| 192 | return state.timestamp
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| 193 |
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[8] | 194 | def check(self, flight, aircraft, logger, oldState, state):
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| 195 | """Check if the state has changed, and if so, log the new state."""
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| 196 | shouldLog = False
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| 197 | if oldState is None:
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| 198 | shouldLog = self._logInitial
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| 199 | else:
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| 200 | shouldLog = self._changed(oldState, state)
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| 201 |
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| 202 | if shouldLog:
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[22] | 203 | logger.message(self._getLogTimestamp(state), self._getMessage(state))
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[8] | 204 |
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| 205 | #---------------------------------------------------------------------------------------
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| 206 |
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| 207 | class SimpleChangeMixin(object):
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| 208 | """A mixin that defines a _changed() function which simply calls a function
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| 209 | to retrieve the value two monitor for both states and compares them.
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| 210 |
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| 211 | Child classes should define the following function:
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| 212 | - _getValue(state): get the value we are interested in."""
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| 213 | def _changed(self, oldState, state):
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| 214 | """Determine if the value has changed."""
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| 215 | return self._getValue(oldState)!=self._getValue(state)
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| 216 |
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| 217 | #---------------------------------------------------------------------------------------
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| 218 |
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| 219 | class SingleValueMixin(object):
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| 220 | """A mixin that provides a _getValue() function to query a value from the
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| 221 | state using the name of the attribute."""
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| 222 | def __init__(self, attrName):
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| 223 | """Construct the mixin with the given attribute name."""
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| 224 | self._attrName = attrName
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| 225 |
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| 226 | def _getValue(self, state):
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| 227 | """Get the value of the attribute from the state."""
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| 228 | return getattr(state, self._attrName)
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| 229 |
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| 230 | #---------------------------------------------------------------------------------------
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| 231 |
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| 232 | class DelayedChangeMixin(object):
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| 233 | """A mixin to a StateChangeLogger that stores the old value and reports a
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| 234 | change only if the change has been there for a certain amount of time.
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| 235 |
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| 236 | Child classes should define the following function:
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| 237 | - _getValue(state): get the value we are interested in."""
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[22] | 238 | def __init__(self, minDelay = 3.0, maxDelay = 10.0):
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[8] | 239 | """Construct the mixin with the given delay in seconds."""
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[22] | 240 | self._minDelay = minDelay
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| 241 | self._maxDelay = maxDelay
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[8] | 242 | self._oldValue = None
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| 243 | self._firstChange = None
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[22] | 244 | self._lastChangeState = None
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| 245 |
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[8] | 246 | def _changed(self, oldState, state):
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| 247 | """Determine if the value has changed."""
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| 248 | if self._oldValue is None:
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| 249 | self._oldValue = self._getValue(oldState)
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| 250 |
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| 251 | newValue = self._getValue(state)
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[22] | 252 | if self._oldValue!=newValue:
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[8] | 253 | if self._firstChange is None:
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| 254 | self._firstChange = state.timestamp
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[22] | 255 | self._lastChangeState = state
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| 256 | self._oldValue = newValue
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| 257 |
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| 258 | if self._firstChange is not None:
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| 259 | if state.timestamp >= min(self._lastChangeState.timestamp + self._minDelay,
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| 260 | self._firstChange + self._maxDelay):
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[8] | 261 | self._firstChange = None
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| 262 | return True
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[22] | 263 |
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| 264 | return False
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[8] | 265 |
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[22] | 266 | def _getLogTimestamp(self, state):
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| 267 | """Get the log timestamp."""
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| 268 | return self._lastChangeState.timestamp if \
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| 269 | self._lastChangeState is not None else state.timestamp
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[8] | 270 |
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| 271 | #---------------------------------------------------------------------------------------
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| 272 |
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| 273 | class TemplateMessageMixin(object):
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| 274 | """Mixin to generate a message based on a template.
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| 275 |
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| 276 | Child classes should define the following function:
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| 277 | - _getValue(state): get the value we are interested in."""
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| 278 | def __init__(self, template):
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| 279 | """Construct the mixin."""
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| 280 | self._template = template
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| 281 |
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| 282 | def _getMessage(self, state):
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| 283 | """Get the message."""
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| 284 | return self._template % (self._getValue(state),)
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| 285 |
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| 286 | #---------------------------------------------------------------------------------------
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| 287 |
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| 288 | class GenericStateChangeLogger(StateChangeLogger, SingleValueMixin,
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| 289 | DelayedChangeMixin, TemplateMessageMixin):
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| 290 | """Base for generic state change loggers that monitor a single value in the
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| 291 | state possibly with a delay and the logged message comes from a template"""
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[22] | 292 | def __init__(self, attrName, template, logInitial = True,
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| 293 | minDelay = 0.0, maxDelay = 0.0):
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[8] | 294 | """Construct the object."""
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| 295 | StateChangeLogger.__init__(self, logInitial = logInitial)
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| 296 | SingleValueMixin.__init__(self, attrName)
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[22] | 297 | DelayedChangeMixin.__init__(self, minDelay = minDelay, maxDelay = maxDelay)
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[8] | 298 | TemplateMessageMixin.__init__(self, template)
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[22] | 299 | self._getLogTimestamp = lambda state: \
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| 300 | DelayedChangeMixin._getLogTimestamp(self, state)
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[8] | 301 |
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| 302 | #---------------------------------------------------------------------------------------
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| 303 |
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| 304 | class AltimeterLogger(StateChangeLogger, SingleValueMixin,
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| 305 | DelayedChangeMixin):
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| 306 | """Logger for the altimeter setting."""
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| 307 | def __init__(self):
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| 308 | """Construct the logger."""
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| 309 | StateChangeLogger.__init__(self, logInitial = True)
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| 310 | SingleValueMixin.__init__(self, "altimeter")
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| 311 | DelayedChangeMixin.__init__(self)
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[22] | 312 | self._getLogTimestamp = lambda state: \
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| 313 | DelayedChangeMixin._getLogTimestamp(self, state)
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[8] | 314 |
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| 315 | def _getMessage(self, state):
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| 316 | """Get the message to log on a change."""
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[22] | 317 | logState = self._lastChangeState if \
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| 318 | self._lastChangeState is not None else state
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| 319 | return "Altimeter: %.0f hPa at %.0f feet" % \
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| 320 | (logState.altimeter, logState.altitude)
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[8] | 321 |
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| 322 | #---------------------------------------------------------------------------------------
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| 323 |
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| 324 | class NAV1Logger(GenericStateChangeLogger):
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| 325 | """Logger for the NAV1 radio setting."""
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| 326 | def __init__(self):
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| 327 | """Construct the logger."""
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| 328 | super(NAV1Logger, self).__init__("nav1", "NAV1 frequency: %s MHz")
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| 329 |
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| 330 | #---------------------------------------------------------------------------------------
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| 331 |
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| 332 | class NAV2Logger(GenericStateChangeLogger):
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| 333 | """Logger for the NAV2 radio setting."""
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| 334 | def __init__(self):
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| 335 | """Construct the logger."""
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| 336 | super(NAV2Logger, self).__init__("nav2", "NAV2 frequency: %s MHz")
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| 337 |
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| 338 | #---------------------------------------------------------------------------------------
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| 339 |
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| 340 | class SquawkLogger(GenericStateChangeLogger):
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| 341 | """Logger for the squawk setting."""
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| 342 | def __init__(self):
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| 343 | """Construct the logger."""
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| 344 | super(SquawkLogger, self).__init__("squawk", "Squawk code: %s",
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[22] | 345 | minDelay = 3.0, maxDelay = 10.0)
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[8] | 346 |
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| 347 | #---------------------------------------------------------------------------------------
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| 348 |
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| 349 | class LightsLogger(StateChangeLogger, SingleValueMixin, SimpleChangeMixin):
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| 350 | """Base class for the loggers of the various lights."""
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| 351 | def __init__(self, attrName, template):
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| 352 | """Construct the logger."""
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| 353 | StateChangeLogger.__init__(self)
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| 354 | SingleValueMixin.__init__(self, attrName)
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| 355 |
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| 356 | self._template = template
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| 357 |
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| 358 | def _getMessage(self, state):
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| 359 | """Get the message from the given state."""
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| 360 | return self._template % ("ON" if self._getValue(state) else "OFF")
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| 361 |
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| 362 | #---------------------------------------------------------------------------------------
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| 363 |
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| 364 | class AnticollisionLightsLogger(LightsLogger):
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| 365 | """Logger for the anti-collision lights."""
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| 366 | def __init__(self):
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| 367 | LightsLogger.__init__(self, "antiCollisionLightsOn",
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| 368 | "Anti-collision lights: %s")
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| 369 |
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| 370 | #---------------------------------------------------------------------------------------
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| 371 |
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| 372 | class LandingLightsLogger(LightsLogger):
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| 373 | """Logger for the landing lights."""
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| 374 | def __init__(self):
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| 375 | LightsLogger.__init__(self, "landingLightsOn",
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| 376 | "Landing lights: %s")
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| 377 |
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| 378 | #---------------------------------------------------------------------------------------
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| 379 |
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| 380 | class StrobeLightsLogger(LightsLogger):
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| 381 | """Logger for the strobe lights."""
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| 382 | def __init__(self):
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| 383 | LightsLogger.__init__(self, "strobeLightsOn",
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| 384 | "Strobe lights: %s")
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| 385 |
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| 386 | #---------------------------------------------------------------------------------------
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| 387 |
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| 388 | class NavLightsLogger(LightsLogger):
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| 389 | """Logger for the navigational lights."""
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| 390 | def __init__(self):
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| 391 | LightsLogger.__init__(self, "navLightsOn",
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| 392 | "Navigational lights: %s")
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| 393 |
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| 394 | #---------------------------------------------------------------------------------------
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| 395 |
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| 396 | class FlapsLogger(StateChangeLogger, SingleValueMixin, SimpleChangeMixin):
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| 397 | """Logger for the flaps setting."""
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| 398 | def __init__(self):
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| 399 | """Construct the logger."""
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| 400 | StateChangeLogger.__init__(self, logInitial = True)
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| 401 | SingleValueMixin.__init__(self, "flapsSet")
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| 402 |
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| 403 | def _getMessage(self, state):
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| 404 | """Get the message to log on a change."""
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| 405 | speed = state.groundSpeed if state.groundSpeed<80.0 else state.ias
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| 406 | return "Flaps set to %.0f at %.0f knots" % (state.flapsSet, speed)
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| 407 |
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| 408 | #---------------------------------------------------------------------------------------
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| 409 |
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| 410 | class GearsLogger(StateChangeLogger, SingleValueMixin, SimpleChangeMixin):
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| 411 | """Logger for the gears state."""
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| 412 | def __init__(self):
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| 413 | """Construct the logger."""
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| 414 | StateChangeLogger.__init__(self, logInitial = True)
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| 415 | SingleValueMixin.__init__(self, "gearsDown")
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| 416 |
|
---|
| 417 | def _getMessage(self, state):
|
---|
| 418 | """Get the message to log on a change."""
|
---|
[9] | 419 | return "Gears %s at %.0f knots, %.0f feet" % \
|
---|
[8] | 420 | ("DOWN" if state.gearsDown else "UP", state.ias, state.altitude)
|
---|
| 421 |
|
---|
| 422 | #---------------------------------------------------------------------------------------
|
---|
[11] | 423 |
|
---|
| 424 | class FaultChecker(StateChecker):
|
---|
| 425 | """Base class for checkers that look for faults."""
|
---|
| 426 | @staticmethod
|
---|
| 427 | def _appendDuring(flight, message):
|
---|
| 428 | """Append a 'during XXX' test to the given message, depending on the
|
---|
| 429 | flight stage."""
|
---|
| 430 | stageStr = const.stage2string(flight.stage)
|
---|
| 431 | return message if stageStr is None \
|
---|
| 432 | else (message + " during " + stageStr.upper())
|
---|
| 433 |
|
---|
| 434 | @staticmethod
|
---|
| 435 | def _getLinearScore(minFaultValue, maxFaultValue, minScore, maxScore,
|
---|
| 436 | value):
|
---|
| 437 | """Get the score for a faulty value where the score is calculated
|
---|
| 438 | linearly within a certain range."""
|
---|
| 439 | if value<minFaultValue:
|
---|
| 440 | return 0
|
---|
| 441 | elif value>maxFaultValue:
|
---|
| 442 | return maxScore
|
---|
| 443 | else:
|
---|
| 444 | return minScore + (maxScore-minScore) * (value-minFaultValue) / \
|
---|
| 445 | (maxFaultValue - minFaultValue)
|
---|
| 446 |
|
---|
| 447 | #---------------------------------------------------------------------------------------
|
---|
| 448 |
|
---|
| 449 | class SimpleFaultChecker(FaultChecker):
|
---|
| 450 | """Base class for fault checkers that check for a single occurence of a
|
---|
| 451 | faulty condition.
|
---|
| 452 |
|
---|
| 453 | Child classes should implement the following functions:
|
---|
| 454 | - isCondition(self, flight, aircraft, oldState, state): should return whether the
|
---|
| 455 | condition holds
|
---|
| 456 | - logFault(self, flight, aircraft, logger, oldState, state): log the fault
|
---|
| 457 | via the logger."""
|
---|
| 458 | def check(self, flight, aircraft, logger, oldState, state):
|
---|
| 459 | """Perform the check."""
|
---|
| 460 | if self.isCondition(flight, aircraft, oldState, state):
|
---|
| 461 | self.logFault(flight, aircraft, logger, oldState, state)
|
---|
| 462 |
|
---|
| 463 | #---------------------------------------------------------------------------------------
|
---|
| 464 |
|
---|
| 465 | class PatientFaultChecker(FaultChecker):
|
---|
| 466 | """A fault checker that does not decides on a fault when the condition
|
---|
| 467 | arises immediately, but can wait some time.
|
---|
| 468 |
|
---|
| 469 | Child classes should implement the following functions:
|
---|
| 470 | - isCondition(self, flight, aircraft, oldState, state): should return whether the
|
---|
| 471 | condition holds
|
---|
| 472 | - logFault(self, flight, aircraft, logger, oldState, state): log the fault
|
---|
| 473 | via the logger
|
---|
| 474 | """
|
---|
| 475 | def __init__(self, timeout = 2.0):
|
---|
| 476 | """Construct the fault checker with the given timeout."""
|
---|
| 477 | self._timeout = timeout
|
---|
| 478 | self._faultStarted = None
|
---|
| 479 |
|
---|
| 480 | def getTimeout(self, flight, aircraft, oldState, state):
|
---|
| 481 | """Get the timeout.
|
---|
| 482 |
|
---|
| 483 | This default implementation returns the timeout given in the
|
---|
| 484 | constructor, but child classes might want to enforce a different
|
---|
| 485 | policy."""
|
---|
| 486 | return self._timeout
|
---|
| 487 |
|
---|
| 488 | def check(self, flight, aircraft, logger, oldState, state):
|
---|
| 489 | """Perform the check."""
|
---|
| 490 | if self.isCondition(flight, aircraft, oldState, state):
|
---|
| 491 | if self._faultStarted is None:
|
---|
| 492 | self._faultStarted = state.timestamp
|
---|
| 493 | timeout = self.getTimeout(flight, aircraft, oldState, state)
|
---|
| 494 | if state.timestamp>=(self._faultStarted + timeout):
|
---|
| 495 | self.logFault(flight, aircraft, logger, oldState, state)
|
---|
| 496 | self._faultStarted = state.timestamp
|
---|
| 497 | else:
|
---|
| 498 | self._faultStarted = None
|
---|
| 499 |
|
---|
| 500 | #---------------------------------------------------------------------------------------
|
---|
| 501 |
|
---|
| 502 | class AntiCollisionLightsChecker(PatientFaultChecker):
|
---|
| 503 | """Check for the anti-collision light being off at high N1 values."""
|
---|
| 504 | def isCondition(self, flight, aircraft, oldState, state):
|
---|
| 505 | """Check if the fault condition holds."""
|
---|
[26] | 506 | isTupolev = aircraft.type in [const.AIRCRAFT_T134,
|
---|
| 507 | const.AIRCRAFT_T154]
|
---|
[11] | 508 | return (flight.stage!=const.STAGE_PARKING or \
|
---|
| 509 | not flight.options.fs2Crew) and \
|
---|
| 510 | not state.antiCollisionLightsOn and \
|
---|
[26] | 511 | ((isTupolev and max(state.n1[1:])>5) or \
|
---|
| 512 | (not isTupolev and max(state.n1)>5))
|
---|
[11] | 513 |
|
---|
| 514 | def logFault(self, flight, aircraft, logger, oldState, state):
|
---|
| 515 | """Log the fault."""
|
---|
[30] | 516 | flight.handleFault(AntiCollisionLightsChecker, state.timestamp,
|
---|
| 517 | FaultChecker._appendDuring(flight,
|
---|
| 518 | "Anti-collision lights were off"),
|
---|
| 519 | 1)
|
---|
[11] | 520 |
|
---|
| 521 | #---------------------------------------------------------------------------------------
|
---|
| 522 |
|
---|
| 523 | class BankChecker(SimpleFaultChecker):
|
---|
| 524 | """Check for the anti-collision light being off at high N1 values."""
|
---|
| 525 | def isCondition(self, flight, aircraft, oldState, state):
|
---|
| 526 | """Check if the fault condition holds."""
|
---|
| 527 | if flight.stage==const.STAGE_CRUISE:
|
---|
| 528 | bankLimit = 30
|
---|
| 529 | elif flight.stage in [const.STAGE_TAKEOFF, const.STAGE_CLIMB,
|
---|
| 530 | const.STAGE_DESCENT, const.STAGE_LANDING]:
|
---|
| 531 | bankLimit = 35
|
---|
| 532 | else:
|
---|
| 533 | return False
|
---|
| 534 |
|
---|
| 535 | return state.bank>bankLimit or state.bank<-bankLimit
|
---|
| 536 |
|
---|
| 537 | def logFault(self, flight, aircraft, logger, oldState, state):
|
---|
| 538 | """Log the fault."""
|
---|
[30] | 539 | flight.handleFault(BankChecker, state.timestamp,
|
---|
| 540 | FaultChecker._appendDuring(flight, "Bank too steep"),
|
---|
| 541 | 2)
|
---|
[11] | 542 |
|
---|
| 543 | #---------------------------------------------------------------------------------------
|
---|
| 544 |
|
---|
| 545 | class FlapsRetractChecker(SimpleFaultChecker):
|
---|
| 546 | """Check if the flaps are not retracted too early."""
|
---|
[13] | 547 | def __init__(self):
|
---|
| 548 | """Construct the flaps checker."""
|
---|
| 549 | self._timeStart = None
|
---|
| 550 |
|
---|
[11] | 551 | def isCondition(self, flight, aircraft, oldState, state):
|
---|
| 552 | """Check if the fault condition holds.
|
---|
| 553 |
|
---|
| 554 | FIXME: check if this really is the intention (FlapsRetractedMistake.java)"""
|
---|
| 555 | if (flight.stage==const.STAGE_TAKEOFF and not state.onTheGround) or \
|
---|
| 556 | (flight.stage==const.STAGE_LANDING and state.onTheGround):
|
---|
| 557 | if self._timeStart is None:
|
---|
| 558 | self._timeStart = state.timestamp
|
---|
| 559 |
|
---|
| 560 | if state.flapsSet==0 and state.timestamp<=(self._timeStart+2.0):
|
---|
| 561 | return True
|
---|
[13] | 562 | else:
|
---|
| 563 | self._timeStart = None
|
---|
[11] | 564 | return False
|
---|
| 565 |
|
---|
| 566 | def logFault(self, flight, aircraft, logger, oldState, state):
|
---|
| 567 | """Log the fault."""
|
---|
[30] | 568 | flight.handleFault(FlapsRetractChecker, state.timestamp,
|
---|
| 569 | FaultChecker._appendDuring(flight, "Flaps retracted"),
|
---|
| 570 | 20)
|
---|
[11] | 571 |
|
---|
| 572 | #---------------------------------------------------------------------------------------
|
---|
| 573 |
|
---|
| 574 | class FlapsSpeedLimitChecker(SimpleFaultChecker):
|
---|
| 575 | """Check if the flaps are extended only at the right speeds."""
|
---|
| 576 | def isCondition(self, flight, aircraft, oldState, state):
|
---|
| 577 | """Check if the fault condition holds."""
|
---|
| 578 | speedLimit = aircraft.getFlapsSpeedLimit(state.flapsSet)
|
---|
| 579 | return speedLimit is not None and state.ias>speedLimit
|
---|
| 580 |
|
---|
| 581 | def logFault(self, flight, aircraft, logger, oldState, state):
|
---|
| 582 | """Log the fault."""
|
---|
[30] | 583 | flight.handleFault(FlapsSpeedLimitChecker, state.timestamp,
|
---|
| 584 | FaultChecker._appendDuring(flight, "Flap speed limit fault"),
|
---|
| 585 | 5)
|
---|
[11] | 586 |
|
---|
| 587 | #---------------------------------------------------------------------------------------
|
---|
| 588 |
|
---|
| 589 | class GearsDownChecker(SimpleFaultChecker):
|
---|
| 590 | """Check if the gears are down at low altitudes."""
|
---|
| 591 | def isCondition(self, flight, aircraft, oldState, state):
|
---|
| 592 | """Check if the fault condition holds."""
|
---|
| 593 | return state.radioAltitude<10 and not state.gearsDown and \
|
---|
| 594 | flight.stage!=const.STAGE_TAKEOFF
|
---|
| 595 |
|
---|
| 596 | def logFault(self, flight, aircraft, logger, oldState, state):
|
---|
| 597 | """Log the fault."""
|
---|
[30] | 598 | flight.handleNoGo(GearsDownChecker, state.timestamp,
|
---|
| 599 | "Gears not down at %.0f feet radio altitude" % \
|
---|
| 600 | (state.radioAltitude,),
|
---|
| 601 | "GEAR DOWN NO GO")
|
---|
[11] | 602 |
|
---|
| 603 | #---------------------------------------------------------------------------------------
|
---|
| 604 |
|
---|
| 605 | class GearSpeedLimitChecker(PatientFaultChecker):
|
---|
| 606 | """Check if the gears not down at too high a speed."""
|
---|
| 607 | def isCondition(self, flight, aircraft, oldState, state):
|
---|
| 608 | """Check if the fault condition holds."""
|
---|
[13] | 609 | return state.gearsDown and state.ias>aircraft.gearSpeedLimit
|
---|
[11] | 610 |
|
---|
| 611 | def logFault(self, flight, aircraft, logger, oldState, state):
|
---|
| 612 | """Log the fault."""
|
---|
[30] | 613 | flight.handleFault(GearSpeedLimitChecker, state.timestamp,
|
---|
| 614 | FaultChecker._appendDuring(flight, "Gear speed limit fault"),
|
---|
| 615 | 5)
|
---|
[11] | 616 |
|
---|
| 617 | #---------------------------------------------------------------------------------------
|
---|
| 618 |
|
---|
| 619 | class GLoadChecker(SimpleFaultChecker):
|
---|
| 620 | """Check if the G-load does not exceed 2 except during flare."""
|
---|
| 621 | def isCondition(self, flight, aircraft, oldState, state):
|
---|
| 622 | """Check if the fault condition holds."""
|
---|
| 623 | return state.gLoad>2.0 and (flight.stage!=const.STAGE_LANDING or \
|
---|
| 624 | state.radioAltitude>=50)
|
---|
| 625 |
|
---|
| 626 | def logFault(self, flight, aircraft, logger, oldState, state):
|
---|
| 627 | """Log the fault."""
|
---|
[30] | 628 | flight.handleFault(GLoadChecker, state.timestamp,
|
---|
| 629 | "G-load was %.2f" % (state.gLoad,),
|
---|
| 630 | 10)
|
---|
[11] | 631 |
|
---|
| 632 | #---------------------------------------------------------------------------------------
|
---|
| 633 |
|
---|
| 634 | class LandingLightsChecker(PatientFaultChecker):
|
---|
| 635 | """Check if the landing lights are used properly."""
|
---|
| 636 | def getTimeout(self, flight, aircraft, oldState, state):
|
---|
| 637 | """Get the timeout.
|
---|
| 638 |
|
---|
| 639 | It is the default timeout except for landing and takeoff."""
|
---|
| 640 | return 0.0 if flight.stage in [const.STAGE_TAKEOFF,
|
---|
| 641 | const.STAGE_LANDING] else self._timeout
|
---|
| 642 |
|
---|
| 643 | def isCondition(self, flight, aircraft, oldState, state):
|
---|
| 644 | """Check if the fault condition holds."""
|
---|
| 645 | return (flight.stage==const.STAGE_BOARDING and \
|
---|
| 646 | state.landingLightsOn and state.onTheGround) or \
|
---|
| 647 | (flight.stage==const.STAGE_TAKEOFF and \
|
---|
| 648 | not state.landingLightsOn and not state.onTheGround) or \
|
---|
| 649 | (flight.stage in [const.STAGE_CLIMB, const.STAGE_CRUISE,
|
---|
| 650 | const.STAGE_DESCENT] and \
|
---|
| 651 | state.landingLightsOn and state.altitude>12500) or \
|
---|
| 652 | (flight.stage==const.STAGE_LANDING and \
|
---|
| 653 | not state.landingLightsOn and state.onTheGround) or \
|
---|
| 654 | (flight.stage==const.STAGE_PARKING and \
|
---|
| 655 | state.landingLightsOn and state.onTheGround)
|
---|
| 656 |
|
---|
| 657 | def logFault(self, flight, aircraft, logger, oldState, state):
|
---|
| 658 | """Log the fault."""
|
---|
| 659 | score = 0 if flight.stage==const.STAGE_LANDING else 1
|
---|
| 660 | message = "Landing lights were %s" % (("on" if state.landingLightsOn else "off"),)
|
---|
[30] | 661 | flight.handleFault(LandingLightsChecker, state.timestamp,
|
---|
| 662 | FaultChecker._appendDuring(flight, message),
|
---|
| 663 | score)
|
---|
[11] | 664 |
|
---|
| 665 | #---------------------------------------------------------------------------------------
|
---|
| 666 |
|
---|
| 667 | class WeightChecker(PatientFaultChecker):
|
---|
| 668 | """Base class for checkers that check that some limit is not exceeded."""
|
---|
| 669 | def __init__(self, name):
|
---|
| 670 | """Construct the checker."""
|
---|
| 671 | super(WeightChecker, self).__init__(timeout = 5.0)
|
---|
| 672 | self._name = name
|
---|
| 673 |
|
---|
| 674 | def isCondition(self, flight, aircraft, oldState, state):
|
---|
| 675 | """Check if the fault condition holds."""
|
---|
| 676 | if flight.entranceExam:
|
---|
| 677 | return False
|
---|
| 678 |
|
---|
| 679 | limit = self.getLimit(flight, aircraft, state)
|
---|
| 680 | if limit is not None:
|
---|
| 681 | if flight.options.compensation is not None:
|
---|
| 682 | limit += flight.options.compensation
|
---|
[13] | 683 | return self.getWeight(state)>limit
|
---|
[11] | 684 |
|
---|
| 685 | return False
|
---|
| 686 |
|
---|
| 687 | def logFault(self, flight, aircraft, logger, oldState, state):
|
---|
| 688 | """Log the fault."""
|
---|
[13] | 689 | mname = "M" + self._name
|
---|
[30] | 690 | flight.handleNoGo(self.__class__, state.timestamp,
|
---|
| 691 | "%s exceeded: %s is %.0f kg" % \
|
---|
| 692 | (mname, self._name, self.getWeight(state)),
|
---|
| 693 | "%s NO GO" % (mname,))
|
---|
[13] | 694 |
|
---|
| 695 | def getWeight(self, state):
|
---|
| 696 | """Get the weight that is interesting for us."""
|
---|
| 697 | return state.grossWeight
|
---|
[11] | 698 |
|
---|
| 699 | #---------------------------------------------------------------------------------------
|
---|
| 700 |
|
---|
| 701 | class MLWChecker(WeightChecker):
|
---|
| 702 | """Checks if the MLW is not exceeded on landing."""
|
---|
| 703 | def __init__(self):
|
---|
| 704 | """Construct the checker."""
|
---|
[13] | 705 | super(MLWChecker, self).__init__("LW")
|
---|
[11] | 706 |
|
---|
[13] | 707 | def getLimit(self, flight, aircraft, state):
|
---|
[11] | 708 | """Get the limit if we are in the right state."""
|
---|
| 709 | return aircraft.mlw if flight.stage==const.STAGE_LANDING and \
|
---|
| 710 | state.onTheGround else None
|
---|
| 711 |
|
---|
| 712 | #---------------------------------------------------------------------------------------
|
---|
| 713 |
|
---|
| 714 | class MTOWChecker(WeightChecker):
|
---|
| 715 | """Checks if the MTOW is not exceeded on landing."""
|
---|
| 716 | def __init__(self):
|
---|
| 717 | """Construct the checker."""
|
---|
[13] | 718 | super(MTOWChecker, self).__init__("TOW")
|
---|
[11] | 719 |
|
---|
[13] | 720 | def getLimit(self, flight, aircraft, state):
|
---|
[11] | 721 | """Get the limit if we are in the right state."""
|
---|
| 722 | return aircraft.mtow if flight.stage==const.STAGE_TAKEOFF else None
|
---|
| 723 |
|
---|
| 724 | #---------------------------------------------------------------------------------------
|
---|
| 725 |
|
---|
| 726 | class MZFWChecker(WeightChecker):
|
---|
[60] | 727 | """Checks if the MZFW is not exceeded on landing."""
|
---|
[11] | 728 | def __init__(self):
|
---|
| 729 | """Construct the checker."""
|
---|
[13] | 730 | super(MZFWChecker, self).__init__("ZFW")
|
---|
[11] | 731 |
|
---|
[13] | 732 | def getLimit(self, flight, aircraft, state):
|
---|
[11] | 733 | """Get the limit if we are in the right state."""
|
---|
| 734 | return aircraft.mzfw
|
---|
| 735 |
|
---|
[13] | 736 | def getWeight(self, state):
|
---|
| 737 | """Get the weight that is interesting for us."""
|
---|
| 738 | return state.zfw
|
---|
| 739 |
|
---|
[11] | 740 | #---------------------------------------------------------------------------------------
|
---|
| 741 |
|
---|
| 742 | class NavLightsChecker(PatientFaultChecker):
|
---|
| 743 | """Check if the navigational lights are used properly."""
|
---|
| 744 | def isCondition(self, flight, aircraft, oldState, state):
|
---|
| 745 | """Check if the fault condition holds."""
|
---|
| 746 | return flight.stage!=const.STAGE_BOARDING and \
|
---|
| 747 | flight.stage!=const.STAGE_PARKING and \
|
---|
| 748 | not state.navLightsOn
|
---|
| 749 |
|
---|
| 750 | def logFault(self, flight, aircraft, logger, oldState, state):
|
---|
| 751 | """Log the fault."""
|
---|
[30] | 752 | flight.handleFault(NavLightsChecker, state.timestamp,
|
---|
| 753 | FaultChecker._appendDuring(flight,
|
---|
| 754 | "Navigation lights were off"),
|
---|
| 755 | 1)
|
---|
[11] | 756 |
|
---|
| 757 | #---------------------------------------------------------------------------------------
|
---|
| 758 |
|
---|
| 759 | class OverspeedChecker(PatientFaultChecker):
|
---|
| 760 | """Check if Vne has been exceeded."""
|
---|
| 761 | def __init__(self):
|
---|
| 762 | """Construct the checker."""
|
---|
| 763 | super(OverspeedChecker, self).__init__(timeout = 5.0)
|
---|
| 764 |
|
---|
| 765 | def isCondition(self, flight, aircraft, oldState, state):
|
---|
| 766 | """Check if the fault condition holds."""
|
---|
| 767 | return state.overspeed
|
---|
| 768 |
|
---|
| 769 | def logFault(self, flight, aircraft, logger, oldState, state):
|
---|
| 770 | """Log the fault."""
|
---|
[30] | 771 | flight.handleFault(OverspeedChecker, state.timestamp,
|
---|
| 772 | FaultChecker._appendDuring(flight, "Overspeed"),
|
---|
| 773 | 20)
|
---|
[11] | 774 |
|
---|
| 775 | #---------------------------------------------------------------------------------------
|
---|
| 776 |
|
---|
| 777 | class PayloadChecker(SimpleFaultChecker):
|
---|
| 778 | """Check if the payload matches the specification."""
|
---|
| 779 | TOLERANCE=550
|
---|
[60] | 780 |
|
---|
| 781 | @staticmethod
|
---|
| 782 | def isZFWFaulty(aircraftZFW, flightZFW):
|
---|
| 783 | """Check if the given aircraft's ZFW is outside of the limits."""
|
---|
| 784 | return aircraftZFW < (flightZFW - PayloadChecker.TOLERANCE) or \
|
---|
| 785 | aircraftZFW > (flightZFW + PayloadChecker.TOLERANCE)
|
---|
[11] | 786 |
|
---|
| 787 | def isCondition(self, flight, aircraft, oldState, state):
|
---|
| 788 | """Check if the fault condition holds."""
|
---|
| 789 | return flight.stage==const.STAGE_PUSHANDTAXI and \
|
---|
[60] | 790 | PayloadChecker.isZFWFaulty(state.zfw, flight.zfw)
|
---|
[11] | 791 |
|
---|
| 792 | def logFault(self, flight, aircraft, logger, oldState, state):
|
---|
| 793 | """Log the fault."""
|
---|
[30] | 794 | flight.handleNoGo(PayloadChecker, state.timestamp,
|
---|
| 795 | "ZFW difference is more than %d kgs" % \
|
---|
| 796 | (PayloadChecker.TOLERANCE,),
|
---|
| 797 | "ZFW NO GO")
|
---|
[11] | 798 |
|
---|
| 799 | #---------------------------------------------------------------------------------------
|
---|
| 800 |
|
---|
| 801 | class PitotChecker(PatientFaultChecker):
|
---|
| 802 | """Check if pitot heat is on."""
|
---|
| 803 | def __init__(self):
|
---|
| 804 | """Construct the checker."""
|
---|
| 805 | super(PitotChecker, self).__init__(timeout = 3.0)
|
---|
| 806 |
|
---|
| 807 | def isCondition(self, flight, aircraft, oldState, state):
|
---|
| 808 | """Check if the fault condition holds."""
|
---|
[13] | 809 | return state.groundSpeed>80 and not state.pitotHeatOn
|
---|
[11] | 810 |
|
---|
| 811 | def logFault(self, flight, aircraft, logger, oldState, state):
|
---|
| 812 | """Log the fault."""
|
---|
| 813 | score = 2 if flight.stage in [const.STAGE_TAKEOFF, const.STAGE_CLIMB,
|
---|
| 814 | const.STAGE_CRUISE, const.STAGE_DESCENT,
|
---|
| 815 | const.STAGE_LANDING] else 0
|
---|
[30] | 816 | flight.handleFault(PitotChecker, state.timestamp,
|
---|
| 817 | FaultChecker._appendDuring(flight, "Pitot heat was off"),
|
---|
| 818 | score)
|
---|
[11] | 819 |
|
---|
| 820 | #---------------------------------------------------------------------------------------
|
---|
| 821 |
|
---|
| 822 | class ReverserChecker(SimpleFaultChecker):
|
---|
| 823 | """Check if the reverser is not used below 60 knots."""
|
---|
| 824 | def isCondition(self, flight, aircraft, oldState, state):
|
---|
| 825 | """Check if the fault condition holds."""
|
---|
| 826 | return flight.stage in [const.STAGE_DESCENT, const.STAGE_LANDING,
|
---|
| 827 | const.STAGE_TAXIAFTERLAND] and \
|
---|
[25] | 828 | state.groundSpeed<60 and max(state.reverser)
|
---|
[11] | 829 |
|
---|
| 830 | def logFault(self, flight, aircraft, logger, oldState, state):
|
---|
| 831 | """Log the fault."""
|
---|
[30] | 832 | flight.handleFault(ReverserChecker, state.timestamp,
|
---|
| 833 | FaultChecker._appendDuring(flight,
|
---|
| 834 | "Reverser used below 60 knots"),
|
---|
| 835 | 15)
|
---|
[11] | 836 |
|
---|
| 837 | #---------------------------------------------------------------------------------------
|
---|
| 838 |
|
---|
| 839 | class SpeedChecker(SimpleFaultChecker):
|
---|
| 840 | """Check if the speed is in the prescribed limits."""
|
---|
| 841 | def isCondition(self, flight, aircraft, oldState, state):
|
---|
| 842 | """Check if the fault condition holds."""
|
---|
| 843 | return flight.stage in [const.STAGE_PUSHANDTAXI,
|
---|
| 844 | const.STAGE_TAXIAFTERLAND] and \
|
---|
| 845 | state.groundSpeed>50
|
---|
| 846 |
|
---|
| 847 | def logFault(self, flight, aircraft, logger, oldState, state):
|
---|
| 848 | """Log the fault."""
|
---|
[30] | 849 | flight.handleFault(SpeedChecker, state.timestamp,
|
---|
| 850 | FaultChecker._appendDuring(flight,
|
---|
| 851 | "Taxi speed over 50 knots"),
|
---|
| 852 | FaultChecker._getLinearScore(50, 80, 10, 15,
|
---|
| 853 | state.groundSpeed))
|
---|
[11] | 854 |
|
---|
| 855 | #---------------------------------------------------------------------------------------
|
---|
| 856 |
|
---|
| 857 | class StallChecker(PatientFaultChecker):
|
---|
| 858 | """Check if stall occured."""
|
---|
| 859 | def isCondition(self, flight, aircraft, oldState, state):
|
---|
| 860 | """Check if the fault condition holds."""
|
---|
| 861 | return flight.stage in [const.STAGE_TAKEOFF, const.STAGE_CLIMB,
|
---|
| 862 | const.STAGE_CRUISE, const.STAGE_DESCENT,
|
---|
| 863 | const.STAGE_LANDING] and state.stalled
|
---|
| 864 |
|
---|
| 865 | def logFault(self, flight, aircraft, logger, oldState, state):
|
---|
| 866 | """Log the fault."""
|
---|
| 867 | score = 40 if flight.stage in [const.STAGE_TAKEOFF,
|
---|
| 868 | const.STAGE_LANDING] else 30
|
---|
[30] | 869 | flight.handleFault(StallChecker, state.timestamp,
|
---|
| 870 | FaultChecker._appendDuring(flight, "Stalled"),
|
---|
| 871 | score)
|
---|
[11] | 872 |
|
---|
| 873 | #---------------------------------------------------------------------------------------
|
---|
| 874 |
|
---|
| 875 | class StrobeLightsChecker(PatientFaultChecker):
|
---|
| 876 | """Check if the strobe lights are used properly."""
|
---|
| 877 | def isCondition(self, flight, aircraft, oldState, state):
|
---|
| 878 | """Check if the fault condition holds."""
|
---|
[26] | 879 | if aircraft.type in [const.AIRCRAFT_T134,
|
---|
| 880 | const.AIRCRAFT_T154,
|
---|
| 881 | const.AIRCRAFT_YK40]:
|
---|
| 882 | return False
|
---|
| 883 | else:
|
---|
| 884 | return (flight.stage==const.STAGE_BOARDING and \
|
---|
| 885 | state.strobeLightsOn and state.onTheGround) or \
|
---|
| 886 | (flight.stage==const.STAGE_TAKEOFF and \
|
---|
| 887 | not state.strobeLightsOn and not state.gearsDown) or \
|
---|
| 888 | (flight.stage in [const.STAGE_CLIMB, const.STAGE_CRUISE,
|
---|
| 889 | const.STAGE_DESCENT] and \
|
---|
| 890 | not state.strobeLightsOn and not state.onTheGround) or \
|
---|
| 891 | (flight.stage==const.STAGE_PARKING and \
|
---|
| 892 | state.strobeLightsOn and state.onTheGround)
|
---|
[11] | 893 |
|
---|
| 894 | def logFault(self, flight, aircraft, logger, oldState, state):
|
---|
| 895 | """Log the fault."""
|
---|
| 896 | message = "Strobe lights were %s" % (("on" if state.strobeLightsOn else "off"),)
|
---|
[30] | 897 | flight.handleFault(StrobeLightsChecker, state.timestamp,
|
---|
| 898 | FaultChecker._appendDuring(flight, message),
|
---|
| 899 | 1)
|
---|
[11] | 900 |
|
---|
| 901 | #---------------------------------------------------------------------------------------
|
---|
| 902 |
|
---|
| 903 | class ThrustChecker(SimpleFaultChecker):
|
---|
| 904 | """Check if the thrust setting is not too high during takeoff.
|
---|
| 905 |
|
---|
| 906 | FIXME: is this really so general, for all aircraft?"""
|
---|
| 907 | def isCondition(self, flight, aircraft, oldState, state):
|
---|
| 908 | """Check if the fault condition holds."""
|
---|
| 909 | return flight.stage==const.STAGE_TAKEOFF and max(state.n1)>97
|
---|
| 910 |
|
---|
| 911 | def logFault(self, flight, aircraft, logger, oldState, state):
|
---|
| 912 | """Log the fault."""
|
---|
[13] | 913 | print state.n1
|
---|
[30] | 914 | flight.handleFault(ThrustChecker, state.timestamp,
|
---|
| 915 | FaultChecker._appendDuring(flight,
|
---|
| 916 | "Thrust setting was too high (>97%)"),
|
---|
| 917 | FaultChecker._getLinearScore(97, 110, 0, 10, max(state.n1)))
|
---|
[11] | 918 |
|
---|
| 919 | #---------------------------------------------------------------------------------------
|
---|
| 920 |
|
---|
| 921 | class VSChecker(SimpleFaultChecker):
|
---|
| 922 | """Check if the vertical speed is not too low at certain altitudes"""
|
---|
| 923 | BELOW10000 = -5000
|
---|
| 924 | BELOW5000 = -2500
|
---|
| 925 | BELOW2500 = -1500
|
---|
| 926 | BELOW500 = -1000
|
---|
| 927 | TOLERANCE = 1.2
|
---|
| 928 |
|
---|
| 929 | def isCondition(self, flight, aircraft, oldState, state):
|
---|
| 930 | """Check if the fault condition holds."""
|
---|
| 931 | vs = state.vs
|
---|
| 932 | altitude = state.altitude
|
---|
| 933 | return vs < -8000 or vs > 8000 or \
|
---|
| 934 | (altitude<500 and vs < (VSChecker.BELOW500 *
|
---|
[13] | 935 | VSChecker.TOLERANCE)) or \
|
---|
[11] | 936 | (altitude<2500 and vs < (VSChecker.BELOW2500 *
|
---|
[13] | 937 | VSChecker.TOLERANCE)) or \
|
---|
[11] | 938 | (altitude<5000 and vs < (VSChecker.BELOW5000 *
|
---|
[13] | 939 | VSChecker.TOLERANCE)) or \
|
---|
[11] | 940 | (altitude<10000 and vs < (VSChecker.BELOW10000 *
|
---|
[13] | 941 | VSChecker.TOLERANCE))
|
---|
[11] | 942 |
|
---|
| 943 | def logFault(self, flight, aircraft, logger, oldState, state):
|
---|
| 944 | """Log the fault."""
|
---|
| 945 | vs = state.vs
|
---|
| 946 |
|
---|
| 947 | message = "Vertical speed was %.0f feet/min" % (vs,)
|
---|
| 948 | if vs>-8000 and vs<8000:
|
---|
| 949 | message += " at %.0f feet (exceeds company limit)" % (state.altitude,)
|
---|
| 950 |
|
---|
| 951 | score = 10 if vs<-8000 or vs>8000 else 0
|
---|
| 952 |
|
---|
[30] | 953 | flight.handleFault(VSChecker, state.timestamp,
|
---|
| 954 | FaultChecker._appendDuring(flight, message),
|
---|
| 955 | score)
|
---|
[11] | 956 |
|
---|
| 957 | #---------------------------------------------------------------------------------------
|
---|