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Code Issues Releases Activity

Add cross coupling between roll and heading to make simulator fly like a plane

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This commit is contained in:
James Cotton 2012-06-08 11:08:11 -05:00
parent 823538dbbb
commit 6605d861dd
1 changed files with 11 additions and 1 deletions
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10
flight/Modules/Sensors/simulated/sensors.c
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@ -547,6 +547,7 @@ static void simulateModelAirplane()
const float GPS_PERIOD = 0.1;
const float MAG_PERIOD = 1.0 / 75.0;
const float BARO_PERIOD = 1.0 / 20.0;
const float ROLL_HEADING_COUPLING = 0.1; // (deg/s) heading change per deg of roll
static uint32_t last_time;
@ -582,9 +583,18 @@ static void simulateModelAirplane()
RateDesiredData rateDesired;
RateDesiredGet(&rateDesired);
// Need to compute roll angle for easy cross coupling
//Quaternion2RPY(q,rpy);
//float roll = rpy[0];
rpy[0] = (flightStatus.Armed == FLIGHTSTATUS_ARMED_ARMED) * rateDesired.Roll * (1 - ACTUATOR_ALPHA) + rpy[0] * ACTUATOR_ALPHA;
rpy[1] = (flightStatus.Armed == FLIGHTSTATUS_ARMED_ARMED) * rateDesired.Pitch * (1 - ACTUATOR_ALPHA) + rpy[1] * ACTUATOR_ALPHA;
rpy[2] = (flightStatus.Armed == FLIGHTSTATUS_ARMED_ARMED) * rateDesired.Yaw * (1 - ACTUATOR_ALPHA) + rpy[2] * ACTUATOR_ALPHA;
{
AttitudeActualData attitudeActual;
AttitudeActualGet(&attitudeActual);
rpy[2] += attitudeActual.Roll * ROLL_HEADING_COUPLING;
}
GyrosData gyrosData; // Skip get as we set all the fields
gyrosData.x = rpy[0] + rand_gauss();