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GPS Failure Navigation. Geofence. Iridium SBD. Land Detector




GPS

Name Description Min > Max (Incr. ) Default Units
GPS_1_CONFIG (INT32) Serial Configuration for Main GPS Comment: Configure on which serial port to run Main GPS. Values:
  • 0: Disabled
  • 6: UART 6
  • 101: TELEM 1
  • 102: TELEM 2
  • 103: TELEM 3
  • 104: TELEM/SERIAL 4
  • 201: GPS 1
  • 202: GPS 2
Reboot required: true
   
GPS_2_CONFIG (INT32) Serial Configuration for Secondary GPS Comment: Configure on which serial port to run Secondary GPS. Values:
  • 0: Disabled
  • 6: UART 6
  • 101: TELEM 1
  • 102: TELEM 2
  • 103: TELEM 3
  • 104: TELEM/SERIAL 4
  • 201: GPS 1
  • 202: GPS 2
Reboot required: true
   
GPS_DUMP_COMM (INT32) Dump GPS communication to a file Comment: If this is set to 1, all GPS communication data will be published via uORB, and written to the log file as gps_dump message. Values:
  • 0: Disable
  • 1: Enable
0 > 1  
GPS_UBX_DYNMODEL (INT32) u-blox GPS dynamic platform model Comment: u-blox receivers support different dynamic platform models to adjust the navigation engine to the expected application environment. Values:
  • 2: stationary
  • 4: automotive
  • 6: airborne with < 1g acceleration< =" " li=" " >
  • 7: airborne with < 2g acceleration< =" " li=" " >
  • 8: airborne with < 4g acceleration< =" " li=" " >
Reboot required: true
0 > 9  
GPS_YAW_OFFSET (FLOAT) Heading/Yaw offset for dual antenna GPS Comment: Heading offset angle for dual antenna GPS setups that support heading estimation. (currently only for the Trimble MB-Two). Set this to 0 if the antennas are parallel to the forward-facing direction of the vehicle and the first antenna is in front. The offset angle increases counterclockwise. Set this to 90 if the first antenna is placed on the right side and the second on the left side of the vehicle. Reboot required: true 0 > 360 0. deg

GPS Failure Navigation

Name Description Min > Max (Incr. ) Default Units
NAV_GPSF_LT (FLOAT) Loiter time Comment: The time in seconds the system should do open loop loiter and wait for GPS recovery before it goes into flight termination. Set to 0 to disable. 0. 0 > 3600. 0 (1) 0. 0 s
NAV_GPSF_P (FLOAT) Fixed pitch angle Comment: Pitch in degrees during the open loop loiter -30. 0 > 30. 0 (0. 5) 0. 0 deg
NAV_GPSF_R (FLOAT) Fixed bank angle Comment: Roll in degrees during the loiter 0. 0 > 30. 0 (0. 5) 15. 0 deg
NAV_GPSF_TR (FLOAT) Thrust Comment: Thrust value which is set during the open loop loiter 0. 0 > 1. 0 (0. 05) 0. 0 norm

Geofence

Name Description Min > Max (Incr. ) Default Units
GF_ACTION (INT32) Geofence violation action Comment: Note: Setting this value to 4 enables flight termination, which will kill the vehicle on violation of the fence. Due to the inherent danger of this, this function is disabled using a software circuit breaker, which needs to be reset to 0 to really shut down the system. Values:
  • 0: None
  • 1: Warning
  • 2: Hold mode
  • 3: Return mode
  • 4: Terminate
0 > 4  
GF_ALTMODE (INT32) Geofence altitude mode Comment: Select which altitude reference should be used 0 = WGS84, 1 = AMSL Values:
  • 0: WGS84
  • 1: AMSL
0 > 1  
GF_COUNT (INT32) Geofence counter limit Comment: Set how many subsequent position measurements outside of the fence are needed before geofence violation is triggered -1 > 10 (1) -1  
GF_MAX_HOR_DIST (FLOAT) Max horizontal distance in meters Comment: Maximum horizontal distance in meters the vehicle can be from home before triggering a geofence action. Disabled if 0. 0 > 10000 (1) m
GF_MAX_VER_DIST (FLOAT) Max vertical distance in meters Comment: Maximum vertical distance in meters the vehicle can be from home before triggering a geofence action. Disabled if 0. 0 > 10000 (1) m
GF_SOURCE (INT32) Geofence source Comment: Select which position source should be used. Selecting GPS instead of global position makes sure that there is no dependence on the position estimator 0 = global position, 1 = GPS Values:
  • 0: GPOS
  • 1: GPS
0 > 1  

Iridium SBD

Name Description Min > Max (Incr. ) Default Units
ISBD_CONFIG (INT32) Serial Configuration for Iridium (with MAVLink) Comment: Configure on which serial port to run Iridium (with MAVLink). Values:
  • 0: Disabled
  • 6: UART 6
  • 101: TELEM 1
  • 102: TELEM 2
  • 103: TELEM 3
  • 104: TELEM/SERIAL 4
  • 201: GPS 1
  • 202: GPS 2
Reboot required: true
   
ISBD_READ_INT (INT32) Satellite radio read interval. Only required to be nonzero if data is not sent using a ring call 0 > 5000 s
ISBD_SBD_TIMEOUT (INT32) Iridium SBD session timeout 0 > 300 s
ISBD_STACK_TIME (INT32) Time [ms] the Iridium driver will wait for additional mavlink messages to combine them into one SBD message Value 0 turns the functionality off 0 > 500 ms

Land Detector

Name Description Min > Max (Incr. ) Default Units
LNDFW_AIRSPD_MAX (FLOAT) Airspeed max Comment: Maximum airspeed allowed in the landed state (m/s) 4 > 20 8. 00 m/s
LNDFW_VEL_XY_MAX (FLOAT) Fixedwing max horizontal velocity Comment: Maximum horizontal velocity allowed in the landed state (m/s) 0. 5 > 10 5. 0 m/s
LNDFW_VEL_Z_MAX (FLOAT) Fixedwing max climb rate Comment: Maximum vertical velocity allowed in the landed state (m/s up and down) 0. 1 > 20 3. 0 m/s
LNDFW_XYACC_MAX (FLOAT) Fixedwing max horizontal acceleration Comment: Maximum horizontal (x, y body axes) acceleration allowed in the landed state (m/s^2) 2 > 15 8. 0 m/s^2
LNDMC_ALT_MAX (FLOAT) Maximum altitude for multicopters Comment: The system will obey this limit as a hard altitude limit. This setting will be consolidated with the GF_MAX_VER_DIST parameter. A negative value indicates no altitude limitation. -1 > 10000 -1. 0 m
LNDMC_FFALL_THR (FLOAT) Multicopter specific force threshold Comment: Multicopter threshold on the specific force measured by accelerometers in m/s^2 for free-fall detection 0. 1 > 10 2. 0 m/s^2
LNDMC_FFALL_TTRI (FLOAT) Multicopter free-fall trigger time Comment: Seconds (decimal) that freefall conditions have to met before triggering a freefall. Minimal value is limited by LAND_DETECTOR_UPDATE_RATE=50Hz in landDetector. h 0. 02 > 5 0. 3 s
LNDMC_ROT_MAX (FLOAT) Multicopter max rotation Comment: Maximum allowed angular velocity around each axis allowed in the landed state.   20. 0 deg/s
LNDMC_XY_VEL_MAX (FLOAT) Multicopter max horizontal velocity Comment: Maximum horizontal velocity allowed in the landed state (m/s)   1. 5 m/s
LNDMC_Z_VEL_MAX (FLOAT) Multicopter max climb rate Comment: Maximum vertical velocity allowed in the landed state (m/s up and down)   0. 50 m/s
LND_FLIGHT_T_HI (INT32) Total flight time in microseconds Comment: Total flight time of this autopilot. Higher 32 bits of the value. Flight time in microseconds = (LND_FLIGHT_T_HI < < 32) | LND_FLIGHT_T_LO. 0 > ?  
LND_FLIGHT_T_LO (INT32) Total flight time in microseconds Comment: Total flight time of this autopilot. Lower 32 bits of the value. Flight time in microseconds = (LND_FLIGHT_T_HI < < 32) | LND_FLIGHT_T_LO. 0 > ?  
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