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inertia.pde: WIP don't fly with inertia enabled until FN.

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This commit is contained in:
Jason Short 2012-06-25 22:17:04 -07:00
parent 28829b0d60
commit 92d481c08c
1 changed files with 32 additions and 21 deletions
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53
ArduCopter/inertia.pde
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@ -27,20 +27,8 @@ void calc_inertia()
// Integrate accels to get the velocity // Integrate accels to get the velocity
// ------------------------------------ // ------------------------------------
accels_velocity += temp; accels_velocity += temp;
} accels_position += accels_velocity * G_Dt;
void z_error_correction()
{
speed_error.z = climb_rate - accels_velocity.z;
accels_velocity.z += speed_error.z * 0.0350; //speed_correction_z;
accels_velocity.z -= g.pid_throttle.get_integrator() * 0.0045; //g.alt_offset_correction; // OK
accels_offset.z -= g.pid_throttle.get_integrator() * 0.000003; //g.alt_i_correction ; // .000002;
// For developement only
// ---------------------
if(motors.armed())
Log_Write_Raw();
} }
void xy_error_correction() void xy_error_correction()
@ -53,20 +41,43 @@ void xy_error_correction()
// correct integrated velocity by speed_error // correct integrated velocity by speed_error
// this number must be small or we will bring back sensor latency // this number must be small or we will bring back sensor latency
// ------------------------------------------- // -------------------------------------------
accels_velocity.x += speed_error.x * 0.0175; // g.speed_correction_x; accels_velocity.x += speed_error.x * 0.02; // g.speed_correction_x;
accels_velocity.y += speed_error.y * 0.0175; accels_velocity.y += speed_error.y * 0.02;
// Error correct the accels to deal with calibration, drift and noise // Error correct the accels to deal with calibration, drift and noise
// ------------------------------------------------------------------ // ------------------------------------------------------------------
accels_velocity.x -= g.pid_loiter_rate_lon.get_integrator() * 0.007; // g.loiter_offset_correction; //.001; accels_position.x -= accels_position.x * 0.03; // g.loiter_offset_correction; //.001;
accels_velocity.y -= g.pid_loiter_rate_lat.get_integrator() * 0.007; // g.loiter_offset_correction; //.001; accels_position.y -= accels_position.y * 0.03; // g.loiter_offset_correction; //.001;
// update our accel offsets // update our accel offsets
// ------------------------- // -------------------------
accels_offset.x -= g.pid_loiter_rate_lon.get_integrator() * 0.000003; // g.loiter_i_correction; accels_offset.x -= accels_position.x * 0.000001; // g.loiter_i_correction;
accels_offset.y -= g.pid_loiter_rate_lat.get_integrator() * 0.000003; // g.loiter_i_correction; accels_offset.y -= accels_position.y * 0.000001; // g.loiter_i_correction;
}
void z_error_correction()
{
// Calculate speed error
// ---------------------
speed_error.z = climb_rate - accels_velocity.z;
// correct integrated velocity by speed_error
// this number must be small or we will bring back sensor latency
// -------------------------------------------
accels_velocity.z += speed_error.z * 0.0350; //speed_correction_z;
// ------------------------------------------------------------------
accels_velocity.z -= accels_position.z * 0.006; //g.alt_offset_correction; // OK
// update our accel offsets
// -------------------------
accels_offset.z -= accels_position.z * 0.000003; //g.alt_i_correction ; // .000002;
// For developement only
// ---------------------
if(motors.armed())
Log_Write_Raw();
} }
static void calibrate_accels() static void calibrate_accels()
@ -87,7 +98,7 @@ static void calibrate_accels()
delay(10); delay(10);
read_AHRS(); read_AHRS();
calc_inertia(); calc_inertia();
Serial.printf("call accels: %1.5f, %1.5f, %1.5f,\n", accels_rotated.x, accels_rotated.y, accels_rotated.z); //Serial.printf("call accels: %1.5f, %1.5f, %1.5f,\n", accels_rotated.x, accels_rotated.y, accels_rotated.z);
} }
accels_velocity /= 100; accels_velocity /= 100;