Files
PX4-Autopilot/src/modules/control_allocator/ActuatorEffectiveness/ActuatorEffectivenessMCTilt.cpp
T
Beat Küng 76d8d8cae6 control_allocator: generic motor configuration for standard vtols
This adds the pusher/puller to the standard motors and makes the axis
configurable.
2022-02-25 08:30:58 +01:00

85 lines
3.4 KiB
C++

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#include "ActuatorEffectivenessMCTilt.hpp"
using namespace matrix;
ActuatorEffectivenessMCTilt::ActuatorEffectivenessMCTilt(ModuleParams *parent)
: ModuleParams(parent),
_mc_rotors(this, ActuatorEffectivenessRotors::AxisConfiguration::FixedUpwards, true),
_tilts(this)
{
}
bool
ActuatorEffectivenessMCTilt::getEffectivenessMatrix(Configuration &configuration,
EffectivenessUpdateReason external_update)
{
if (external_update == EffectivenessUpdateReason::NO_EXTERNAL_UPDATE) {
return false;
}
// MC motors
_mc_rotors.enablePropellerTorque(!_tilts.hasYawControl());
const bool rotors_added_successfully = _mc_rotors.addActuators(configuration);
// Tilts
int first_tilt_idx = configuration.num_actuators_matrix[0];
_tilts.updateTorqueSign(_mc_rotors.geometry());
const bool tilts_added_successfully = _tilts.addActuators(configuration);
// Set offset such that tilts point upwards when control input == 0 (trim is 0 if min_angle == -max_angle).
// Note that we don't set configuration.trim here, because in the case of trim == +-1, yaw is always saturated
// and reduced to 0 with the sequential desaturation method. Instead we add it after.
_tilt_offsets.setZero();
for (int i = 0; i < _tilts.count(); ++i) {
float delta_angle = _tilts.config(i).max_angle - _tilts.config(i).min_angle;
if (delta_angle > FLT_EPSILON) {
float trim = -1.f - 2.f * _tilts.config(i).min_angle / delta_angle;
_tilt_offsets(first_tilt_idx + i) = trim;
}
}
return (rotors_added_successfully && tilts_added_successfully);
}
void ActuatorEffectivenessMCTilt::updateSetpoint(const matrix::Vector<float, NUM_AXES> &control_sp,
int matrix_index, ActuatorVector &actuator_sp)
{
actuator_sp += _tilt_offsets;
// TODO: dynamic matrix update
}