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author | Lorenz Meier <lm@inf.ethz.ch> | 2014-04-19 15:49:29 +0200 |
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committer | Lorenz Meier <lm@inf.ethz.ch> | 2014-04-19 15:49:29 +0200 |
commit | edd16afead95bbf236d974ad895e10cc2ef70033 (patch) | |
tree | ee7ed3519a9b4ff2433d90745081e8930774fd84 /src/modules/fw_att_pos_estimator/fw_att_pos_estimator_params.c | |
parent | 12eae1777d11138a0730d6fa54e0f63f98144d11 (diff) | |
download | px4-firmware-edd16afead95bbf236d974ad895e10cc2ef70033.tar.gz px4-firmware-edd16afead95bbf236d974ad895e10cc2ef70033.tar.bz2 px4-firmware-edd16afead95bbf236d974ad895e10cc2ef70033.zip |
Add filter parameters and multicopter defaults to parametrize Pauls estimator correctly when running for multicopters. Estimator itself not updated yet, will be next step.
Diffstat (limited to 'src/modules/fw_att_pos_estimator/fw_att_pos_estimator_params.c')
-rw-r--r-- | src/modules/fw_att_pos_estimator/fw_att_pos_estimator_params.c | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/src/modules/fw_att_pos_estimator/fw_att_pos_estimator_params.c b/src/modules/fw_att_pos_estimator/fw_att_pos_estimator_params.c index 6138ef39c..9d01a095c 100644 --- a/src/modules/fw_att_pos_estimator/fw_att_pos_estimator_params.c +++ b/src/modules/fw_att_pos_estimator/fw_att_pos_estimator_params.c @@ -115,3 +115,134 @@ PARAM_DEFINE_INT32(PE_TAS_DELAY_MS, 210); */ PARAM_DEFINE_FLOAT(PE_GPS_ALT_WGT, 0.9f); +/** + * Velocity noise in north-east (horizontal) direction. + * + * Generic default: 0.3, multicopters: 0.5, ground vehicles: 0.5 + * + * @min 0.05 + * @max 5.0 + * @group Position Estimator + */ +PARAM_DEFINE_FLOAT(PE_VELNE_NOISE, 0.3f); + +/** + * Velocity noise in down (vertical) direction + * + * Generic default: 0.5, multicopters: 0.7, ground vehicles: 0.7 + * + * @min 0.05 + * @max 5.0 + * @group Position Estimator + */ +PARAM_DEFINE_FLOAT(PE_VELD_NOISE, 0.5f); + +/** + * Position noise in north-east (horizontal) direction + * + * Generic defaults: 0.5, multicopters: 0.5, ground vehicles: 0.5 + * + * @min 0.1 + * @max 10.0 + * @group Position Estimator + */ +PARAM_DEFINE_FLOAT(PE_POSNE_NOISE, 0.5f); + +/** + * Position noise in down (vertical) direction + * + * Generic defaults: 0.5, multicopters: 1.0, ground vehicles: 1.0 + * + * @min 0.1 + * @max 10.0 + * @group Position Estimator + */ +PARAM_DEFINE_FLOAT(PE_POSD_NOISE, 0.5f); + +/** + * Magnetometer measurement noise + * + * Generic defaults: 0.05, multicopters: 0.05, ground vehicles: 0.05 + * + * @min 0.1 + * @max 10.0 + * @group Position Estimator + */ +PARAM_DEFINE_FLOAT(PE_MAG_NOISE, 0.05f); + +/** + * Gyro process noise + * + * Generic defaults: 0.015, multicopters: 0.015, ground vehicles: 0.015. + * This noise controls how much the filter trusts the gyro measurements. + * Increasing it makes the filter trust the gyro less and other sensors more. + * + * @min 0.001 + * @max 0.05 + * @group Position Estimator + */ +PARAM_DEFINE_FLOAT(PE_GYRO_PNOISE, 0.015f); + +/** + * Accelerometer process noise + * + * Generic defaults: 0.25, multicopters: 0.25, ground vehicles: 0.25. + * Increasing this value makes the filter trust the accelerometer less + * and other sensors more. + * + * @min 0.05 + * @max 1.0 + * @group Position Estimator + */ +PARAM_DEFINE_FLOAT(PE_ACC_PNOISE, 0.25f); + +/** + * Gyro bias estimate process noise + * + * Generic defaults: 1e-07f, multicopters: 1e-07f, ground vehicles: 1e-07f. + * Increasing this value will make the gyro bias converge faster but noisier. + * + * @min 0.0000001 + * @max 0.00001 + * @group Position Estimator + */ +PARAM_DEFINE_FLOAT(PE_GBIAS_PNOISE, 1e-07f); + +/** + * Accelerometer bias estimate process noise + * + * Generic defaults: 0.0001f, multicopters: 0.0001f, ground vehicles: 0.0001f. + * Increasing this value makes the bias estimation faster and noisier. + * + * @min 0.0001 + * @max 0.001 + * @group Position Estimator + */ +PARAM_DEFINE_FLOAT(PE_ABIAS_PNOISE, 0.0001f); + +/** + * Magnetometer earth frame offsets process noise + * + * Generic defaults: 0.0001, multicopters: 0.0001, ground vehicles: 0.0001. + * Increasing this value makes the magnetometer earth bias estimate converge + * faster but also noisier. + * + * @min 0.0001 + * @max 0.01 + * @group Position Estimator + */ +PARAM_DEFINE_FLOAT(PE_MAGE_PNOISE, 0.0003f); + +/** + * Magnetometer body frame offsets process noise + * + * Generic defaults: 0.0003, multicopters: 0.0003, ground vehicles: 0.0003. + * Increasing this value makes the magnetometer body bias estimate converge faster + * but also noisier. + * + * @min 0.0001 + * @max 0.01 + * @group Position Estimator + */ +PARAM_DEFINE_FLOAT(PE_MAGB_PNOISE, 0.0003f); + |