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