Changeset 611:6e8540c1970b

Timestamp:

03/07/15 06:45:03 (10 years ago)

Author:

István Váradi <ivaradi@…>

Branch:

default

Phase:

public

Message:

Added checks for tailstrike during takeoff and touchdown (re #250)

Files:

• src/mlx/acft.py (modified) (15 diffs)
• src/mlx/checks.py (modified) (1 diff)
• src/mlx/xplane.py (modified) (1 diff)
• test/test1.txt (modified) (3 diffs)

src/mlx/acft.py

@@ -118 +118 @@
 
         self.needNoStrobeSpeedCheck = False
+
+        self.maxTakeOffPitch = 15.0
+        self.maxTouchDownPitch = 15.0
 
         self._checkers = []
@@ -455 +458 @@
                             (self._aircraftState.cog*100.0,))
 
+        if abs(pitch)>self.maxTouchDownPitch:
+            self._flight.handleNoGo("TDPitch", self._aircraftState.timestamp,
+                                    "Touchdown pitch higher than aircraft maximum (%.2f)" % \
+                                    (self.maxTouchDownPitch,),
+                                    "TD TAILSTRIKE NO GO")
+
     def cancelFlare(self):
         """Cancel flare, if it has started."""
@@ -685 +694 @@
         self.mlw = 54657
         self.mzfw = 51482
+        self.maxTakeOffPitch = 16.2
+        self.maxTouchDownPitch = 14.7
 
 #---------------------------------------------------------------------------------------
@@ -696 +707 @@
         self.mlw = 58059
         self.mzfw = 54657
+        self.maxTakeOffPitch = 14.7
+        self.maxTouchDownPitch = 13.2
 
 #---------------------------------------------------------------------------------------
@@ -707 +720 @@
         self.mlw = 65317
         self.mzfw = 61688
+        self.maxTakeOffPitch = 11
+        self.maxTouchDownPitch = 9.5
 
 #---------------------------------------------------------------------------------------
@@ -734 +749 @@
         self.mlw = 51700
         self.mzfw = 48410
+        self.maxTakeOffPitch = 13.4
+        self.maxTouchDownPitch = 12.0
 
 #---------------------------------------------------------------------------------------
@@ -745 +762 @@
         self.mlw = 56200
         self.mzfw = 53100
+        self.maxTakeOffPitch = 11.4
+        self.maxTouchDownPitch = 10
 
 #---------------------------------------------------------------------------------------
@@ -756 +775 @@
         self.mlw = 50000
         self.mzfw = 46700
+        self.maxTakeOffPitch = 14.7
+        self.maxTouchDownPitch = 13.2
 
 #---------------------------------------------------------------------------------------
@@ -779 +800 @@
                                  15 : 172,
                                  35 : 158 }
+        self.maxTakeOffPitch = 8.0
+        self.maxTouchDownPitch = 7.0
 
 #---------------------------------------------------------------------------------------
@@ -816 +839 @@
         self.mlw = 126098
         self.mzfw = 114758
+        self.maxTakeOffPitch = 13.1
+        self.maxTouchDownPitch = 11.6
 
 #---------------------------------------------------------------------------------------
@@ -827 +852 @@
         self.mlw = 137892
         self.mzfw = 130635
+        self.maxTakeOffPitch = 9.6
+        self.maxTouchDownPitch = 8.1
 
 #---------------------------------------------------------------------------------------
@@ -849 +876 @@
                                  30 : 190,
                                  45 : 175 }
+        self.maxTakeOffPitch = 18.0
+        self.maxTouchDownPitch = 18.0
 
 #---------------------------------------------------------------------------------------
@@ -873 +902 @@
                                  42 : 180 }
         self.reverseMinSpeed = 50
+        self.maxTakeOffPitch = 16.0
+        self.maxTouchDownPitch = 16.0
 
     @property
@@ -933 +964 @@
         self.needNoStrobeSpeedCheck = True
 
+        self.maxTakeOffPitch = 16.0
+        self.maxTouchDownPitch = 16.0
+
     @property
     def derateType(self):
@@ -978 +1012 @@
 
         self.needNoStrobeSpeedCheck = True
+
+        self.maxTakeOffPitch = 16.0
+        self.maxTouchDownPitch = 16.0
 
     @property

src/mlx/checks.py

@@ -165 +165 @@
                            "CG/Trim: %.1f%%/%.2f" % \
                            (state.cog*100.0, state.elevatorTrim))
+
+
+            if abs(state.pitch)>aircraft.maxTakeOffPitch:
+                flight.handleNoGo("TOPitch", state.timestamp,
+                                  "Takeoff pitch higher than aircraft maximum (%.2f)" % \
+                                  (aircraft.maxTakeOffPitch,),
+                                  "TO TAILSTRIKE NO GO")
+
             self._onTheGround = False
 

src/mlx/xplane.py

@@ -1401 +1401 @@
         state.heading = data[self._monidx_heading]
 
-        state.pitch = data[self._monidx_pitch]
+        state.pitch = -1.0 * data[self._monidx_pitch]
         state.bank = data[self._monidx_bank]
 

test/test1.txt

@@ -41 +41 @@
 set gs=100 ias=100
 set gs=120 ias=120
+set pitch=-8
 set onTheGround=no
 set altitude=600
@@ -57 +58 @@
 
 set vs=-200
+set pitch=-2.0
 set altitude=15000
 set qnh=1007
@@ -79 +81 @@
 set latitude=47.49 longitude=21.62
 set lights=23
+set pitch=-5
 
 set onTheGround=yes