Ejemplo n.º 1
0
void
MulticopterPositionControl::control_manual(float dt)
{
	_sp_move_rate.zero();

	if (_control_mode.flag_control_altitude_enabled) {
		if(_reset_mission)
		{
			_reset_mission = false;
			_mode_mission = 1 ;
			_hover_time = 0.0 ;
		}
		float height_hover_constant=-1.0;
		float hover_time_constant = 20.0;
		switch(_mode_mission)
		{	
			case 1:
				_sp_move_rate(2) = -0.8;
				if(_pos_sp(2)<=height_hover_constant)
					_mode_mission=2;
				break;
			case 2:
				_hover_time += dt;
				if(_hover_time>hover_time_constant)
				{
					_hover_time=0.0;
					_mode_mission=3;
				}
				break;
			case 3:
				_pos_sp_triplet.current.type =position_setpoint_s::SETPOINT_TYPE_LAND;
				break;
			default:
				/* move altitude setpoint with throttle stick */
				_sp_move_rate(2) = -scale_control(_manual.z - 0.5f, 0.5f, alt_ctl_dz);
				break;
		}
	}

	if (_control_mode.flag_control_position_enabled) {
		/* move position setpoint with roll/pitch stick */
		_sp_move_rate(0) = _manual.x;
		_sp_move_rate(1) = _manual.y;
	}

	/* limit setpoint move rate */
	float sp_move_norm = _sp_move_rate.length();

	if (sp_move_norm > 1.0f) {
		_sp_move_rate /= sp_move_norm;
	}

	/* _sp_move_rate scaled to 0..1, scale it to max speed and rotate around yaw */
	math::Matrix<3, 3> R_yaw_sp;
	R_yaw_sp.from_euler(0.0f, 0.0f, _att_sp.yaw_body);
	_sp_move_rate = R_yaw_sp * _sp_move_rate.emult(_params.vel_max);

	if (_control_mode.flag_control_altitude_enabled) {
		/* reset alt setpoint to current altitude if needed */
		reset_alt_sp();
	}

	if (_control_mode.flag_control_position_enabled) {
		/* reset position setpoint to current position if needed */
		reset_pos_sp();
	}

	/* feed forward setpoint move rate with weight vel_ff */
	_vel_ff = _sp_move_rate.emult(_params.vel_ff);

	/* move position setpoint */
	_pos_sp += _sp_move_rate * dt;

	/* check if position setpoint is too far from actual position */
	math::Vector<3> pos_sp_offs;
	pos_sp_offs.zero();

	if (_control_mode.flag_control_position_enabled) {
		pos_sp_offs(0) = (_pos_sp(0) - _pos(0)) / _params.sp_offs_max(0);
		pos_sp_offs(1) = (_pos_sp(1) - _pos(1)) / _params.sp_offs_max(1);
	}

	if (_control_mode.flag_control_altitude_enabled) {
		pos_sp_offs(2) = (_pos_sp(2) - _pos(2)) / _params.sp_offs_max(2);
	}

	float pos_sp_offs_norm = pos_sp_offs.length();

	if (pos_sp_offs_norm > 1.0f) {
		pos_sp_offs /= pos_sp_offs_norm;
		_pos_sp = _pos + pos_sp_offs.emult(_params.sp_offs_max);
	}
}
Ejemplo n.º 2
0
void
MulticopterPositionControl::control_manual(float dt)
{
	_sp_move_rate.zero();

	if (_control_mode.flag_control_altitude_enabled) {
		/* move altitude setpoint with throttle stick */
		_sp_move_rate(2) = -scale_control(_manual.z - 0.5f, 0.5f, alt_ctl_dz);
	}

	if (_control_mode.flag_control_position_enabled) {
		/* move position setpoint with roll/pitch stick */
		_sp_move_rate(0) = _manual.x;
		_sp_move_rate(1) = _manual.y;
	}

	/* limit setpoint move rate */
	float sp_move_norm = _sp_move_rate.length();

	if (sp_move_norm > 1.0f) {
		_sp_move_rate /= sp_move_norm;
	}

	/* _sp_move_rate scaled to 0..1, scale it to max speed and rotate around yaw */
	math::Matrix<3, 3> R_yaw_sp;
	R_yaw_sp.from_euler(0.0f, 0.0f, _att_sp.yaw_body);
	_sp_move_rate = R_yaw_sp * _sp_move_rate.emult(_params.vel_max);

	if (_control_mode.flag_control_altitude_enabled) {
		/* reset alt setpoint to current altitude if needed */
		reset_alt_sp();
	}

	if (_control_mode.flag_control_position_enabled) {
		/* reset position setpoint to current position if needed */
		reset_pos_sp();
	}

	/* feed forward setpoint move rate with weight vel_ff */
	_vel_ff = _sp_move_rate.emult(_params.vel_ff);

	/* move position setpoint */
	_pos_sp += _sp_move_rate * dt;

	/* check if position setpoint is too far from actual position */
	math::Vector<3> pos_sp_offs;
	pos_sp_offs.zero();

	if (_control_mode.flag_control_position_enabled) {
		pos_sp_offs(0) = (_pos_sp(0) - _pos(0)) / _params.sp_offs_max(0);
		pos_sp_offs(1) = (_pos_sp(1) - _pos(1)) / _params.sp_offs_max(1);
	}

	if (_control_mode.flag_control_altitude_enabled) {
		pos_sp_offs(2) = (_pos_sp(2) - _pos(2)) / _params.sp_offs_max(2);
	}

	float pos_sp_offs_norm = pos_sp_offs.length();

	if (pos_sp_offs_norm > 1.0f) {
		pos_sp_offs /= pos_sp_offs_norm;
		_pos_sp = _pos + pos_sp_offs.emult(_params.sp_offs_max);
	}
}