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