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Plane: don't relax pitch attitude controller for vectored tailsitters in throttle_wait 

add is_vectored_tailsitter()
instantiate AC_AttitudeControl_TS for tailsitters
This commit is contained in:
Mark Whitehorn 2020-09-02 20:45:52 -06:00 committed by Andrew Tridgell
parent cc2c631d23
commit 24508f08dc
3 changed files with 37 additions and 14 deletions
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36
ArduPlane/quadplane.cpp
View File

@ -1,4 +1,5 @@
#include "Plane.h"
#include "AC_AttitudeControl/AC_AttitudeControl_TS.h"
const AP_Param::GroupInfo QuadPlane::var_info[] = {
@ -708,10 +709,16 @@ bool QuadPlane::setup(void)
AP_BoardConfig::config_error("Unable to allocate %s", "ahrs_view");
}
if (((frame_class == AP_Motors::MOTOR_FRAME_TAILSITTER) || (tailsitter.motor_mask != 0))
&& (tilt.tilt_type != TILT_TYPE_BICOPTER)) {
attitude_control = new AC_AttitudeControl_TS(*ahrs_view, aparm, *motors, loop_delta_t);
} else {
attitude_control = new AC_AttitudeControl_Multi(*ahrs_view, aparm, *motors, loop_delta_t);
}
if (!attitude_control) {
AP_BoardConfig::config_error("Unable to allocate %s", "attitude_control");
}
AP_Param::load_object_from_eeprom(attitude_control, attitude_control->var_info);
pos_control = new AC_PosControl(*ahrs_view, inertial_nav, *motors, *attitude_control);
if (!pos_control) {
@ -750,6 +757,13 @@ bool QuadPlane::setup(void)
pos_control->set_dt(loop_delta_t);
attitude_control->parameter_sanity_check();
// TODO: update this if servo function assignments change
// used by relax_attitude_control() to control special behavior for vectored tailsitters
_is_vectored = (motor_class == AP_Motors::MOTOR_FRAME_TAILSITTER) &&
(!is_zero(tailsitter.vectored_hover_gain) &&
(SRV_Channels::function_assigned(SRV_Channel::k_tiltMotorLeft) ||
SRV_Channels::function_assigned(SRV_Channel::k_tiltMotorRight)));
// setup the trim of any motors used by AP_Motors so I/O board
// failsafe will disable motors
for (uint8_t i=0; i<8; i++) {
@ -976,10 +990,7 @@ void QuadPlane::hold_stabilize(float throttle_in)
if ((throttle_in <= 0) && (air_mode == AirMode::OFF)) {
motors->set_desired_spool_state(AP_Motors::DesiredSpoolState::GROUND_IDLE);
attitude_control->set_throttle_out(0, true, 0);
if (!is_tailsitter()) {
// always stabilize with tailsitters so we can do belly takeoffs
attitude_control->relax_attitude_controllers();
}
relax_attitude_control();
} else {
motors->set_desired_spool_state(AP_Motors::DesiredSpoolState::THROTTLE_UNLIMITED);
bool should_boost = true;
@ -1044,6 +1055,13 @@ void QuadPlane::run_z_controller(void)
pos_control->update_z_controller();
}
void QuadPlane::relax_attitude_control()
{
// disable roll and yaw control for vectored tailsitters
// if not a vectored tailsitter completely disable attitude control
attitude_control->relax_attitude_controllers(_is_vectored);
}
/*
check if we should relax the attitude controllers
@ -1054,7 +1072,7 @@ void QuadPlane::check_attitude_relax(void)
{
uint32_t now = AP_HAL::millis();
if (now - last_att_control_ms > 100) {
attitude_control->relax_attitude_controllers();
relax_attitude_control();
}
last_att_control_ms = now;
}
@ -1185,7 +1203,7 @@ void QuadPlane::control_qacro(void)
if (throttle_wait) {
motors->set_desired_spool_state(AP_Motors::DesiredSpoolState::GROUND_IDLE);
attitude_control->set_throttle_out(0, true, 0);
attitude_control->relax_attitude_controllers();
relax_attitude_control();
} else {
check_attitude_relax();
@ -1226,7 +1244,7 @@ void QuadPlane::control_hover(void)
if (throttle_wait) {
motors->set_desired_spool_state(AP_Motors::DesiredSpoolState::GROUND_IDLE);
attitude_control->set_throttle_out(0, true, 0);
attitude_control->relax_attitude_controllers();
relax_attitude_control();
pos_control->relax_alt_hold_controllers(0);
} else {
hold_hover(get_pilot_desired_climb_rate_cms());
@ -1361,7 +1379,7 @@ void QuadPlane::control_loiter()
if (throttle_wait) {
motors->set_desired_spool_state(AP_Motors::DesiredSpoolState::GROUND_IDLE);
attitude_control->set_throttle_out(0, true, 0);
attitude_control->relax_attitude_controllers();
relax_attitude_control();
pos_control->relax_alt_hold_controllers(0);
loiter_nav->clear_pilot_desired_acceleration();
loiter_nav->init_target();
@ -1575,7 +1593,7 @@ float QuadPlane::desired_auto_yaw_rate_cds(void) const
*/
bool QuadPlane::assistance_needed(float aspeed, bool have_airspeed)
{
if (assist_speed <= 0 || is_contol_surface_tailsitter()) {
if (assist_speed <= 0 || is_control_surface_tailsitter()) {
// assistance disabled
in_angle_assist = false;
angle_error_start_ms = 0;

9
ArduPlane/quadplane.h
View File

@ -115,8 +115,11 @@ public:
// return true when tailsitter frame configured
bool is_tailsitter(void) const;
// return true when flying a control surface only tailsitter tailsitter
bool is_contol_surface_tailsitter(void) const;
// return true when flying a control surface only tailsitter
bool is_control_surface_tailsitter(void) const;
// true when flying a tilt-vectored tailsitter
bool _is_vectored;
// return true when flying a tailsitter in VTOL
bool tailsitter_active(void);
@ -250,6 +253,8 @@ private:
void control_qacro(void);
void init_hover(void);
void control_hover(void);
void relax_attitude_control();
void init_loiter(void);
void init_qland(void);

4
ArduPlane/tailsitter.cpp
View File

@ -32,9 +32,9 @@ bool QuadPlane::is_tailsitter(void) const
}
/*
return true when flying a control surface only tailsitter tailsitter
return true when flying a control surface only tailsitter
*/
bool QuadPlane::is_contol_surface_tailsitter(void) const
bool QuadPlane::is_control_surface_tailsitter(void) const
{
return frame_class == AP_Motors::MOTOR_FRAME_TAILSITTER
&& ( is_zero(tailsitter.vectored_hover_gain) || !SRV_Channels::function_assigned(SRV_Channel::k_tiltMotorLeft));