93b93b93bland vehicle, Land vehicle – Moog Crossbow NAV440 Series User Manual
Page 106
NAV440 User Manual
7430‐0131‐01 Rev. F
Page 106
Table 100 Recommended Advanced Settings for Rotorcraft
Dynamic Condition
Recommended Settings
Normal Dynamics
High Dynamics (with uncoordinated tail motion)
Use Mags
ON
ON
Use GPS
ON
ON (< 4g)
Freely Integrate
OFF
OFF (< 2g)
Stationary Yaw Lock
OFF
OFF
Restart Over Range
OFF
ON
Dynamic Motion
ON
ON
Turn Switch Threshold
1.0 deg/s §
30.0 deg/s §
Z Filter Accel
5 Hz*
5 Hz
Filter Rate Sensor
20 Hz*
20 Hz
§The helicopter can change its heading angle rapidly unlike the aircraft which requires banking. A turnSwitch
roll and pitch
threshold that is too low may cause turnSwitch activation with high duty cycle causing random walk in
angles due to low feedback gains.
*A cutoff frequency must be far away from major frequency components caused by the rotor vibration.
Land Vehicle
ome examples of land vehicles are: automobiles, trucks, heavy equipment, trains, snowmobiles, and other tracked
S
v
Table 101shows two examples of land vehicles and the recommended configurations.
Table 101 Recommended Advanced Settings for Land Vehicle
Dynamic Condition
Recommended Settings
Heavy Equipment
lication
App
Automotive Testing
Use Mags
ON
§
ON
§
Use GPS
ON
ON (< 4g)
Freely Integrate
OFF
OFF
Stationary Yaw Lock
OFF
OFF
Restart Over Range
ON
OFF
Dynamic Motion
ON
ON
Turn Switch Threshold
5.0 deg/s
10.0 deg/s
XY Filter Accel
5 Hz
5 Hz
Z Filter Accel
5 Hz
5 Hz
Filter Rate Sensor
20 Hz
20 Hz
§When not in distorted magnetic environment.