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7 Commits

Author SHA1 Message Date
Paul Riseborough 0c9433873c ArduPlane: Modify ekf failsafe checks 
Restore velocity check and make the logic closer to what ArduCopter does.
Remove unnecessary initialisation.
 2020-05-14 10:40:48 +10:00
Paul Riseborough 85e53d53e1 ArduPlane: Don't use optical flow health when assessing EKF nav health 
Plane currently doesn't use optical flow for navigation - it is used fo terrain height estimation.
 2020-05-14 10:40:48 +10:00
Paul Riseborough 3a10838c65 ArduPlane: Don't check variances if not available 2020-05-14 10:40:48 +10:00
Paul Riseborough 70a02f31ab ArduPlane: More efficient type use 2020-05-14 10:40:48 +10:00
Paul Riseborough 5b312e9f09 ArduPlane: Fix logic error 2020-05-14 10:40:48 +10:00
Paul Riseborough cd5714d059 ArduPlane: Allow EKF dead reckoning to continue after loss of GPS 2020-05-14 10:40:48 +10:00
Paul Riseborough 40cc5a5006 ArduPlane: Improve EKF failsafe in VTOL modes 
Replicates Copter behaviour with a three step process if the EKF sustains a loss of navigation as detected by high GPS innovation test ratios:

1) Attempts a yaw reset using the GSF estimate if available
2) Attempts a lane switch
3) Falls back to a non-position mode
 2020-05-14 10:40:48 +10:00