mirror of
https://github.com/PX4/PX4-Autopilot.git
synced 2026-06-05 14:17:20 +08:00
Cleaned up / simplified position control, attacking pos control implementation next
This commit is contained in:
@@ -97,7 +97,6 @@ int px4_deamon_app_main(int argc, char *argv[])
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4096,
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4096,
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px4_deamon_thread_main,
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px4_deamon_thread_main,
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(argv) ? (const char **)&argv[2] : (const char **)NULL);
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(argv) ? (const char **)&argv[2] : (const char **)NULL);
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thread_running = true;
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exit(0);
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exit(0);
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}
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}
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@@ -123,6 +122,8 @@ int px4_deamon_thread_main(int argc, char *argv[]) {
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printf("[deamon] starting\n");
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printf("[deamon] starting\n");
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thread_running = true;
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while (!thread_should_exit) {
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while (!thread_should_exit) {
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printf("Hello Deamon!\n");
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printf("Hello Deamon!\n");
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sleep(10);
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sleep(10);
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@@ -130,5 +131,7 @@ int px4_deamon_thread_main(int argc, char *argv[]) {
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printf("[deamon] exiting.\n");
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printf("[deamon] exiting.\n");
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thread_running = false;
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return 0;
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return 0;
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}
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}
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@@ -49,24 +49,92 @@
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#include <time.h>
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#include <time.h>
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#include <sys/prctl.h>
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#include <sys/prctl.h>
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#include <arch/board/up_hrt.h>
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#include <arch/board/up_hrt.h>
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#include "ardrone_control.h"
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#include "attitude_control.h"
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#include "rate_control.h"
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#include "ardrone_motor_control.h"
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#include "position_control.h"
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#include <uORB/uORB.h>
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#include <uORB/uORB.h>
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#include <uORB/topics/vehicle_status.h>
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#include <uORB/topics/vehicle_status.h>
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#include <uORB/topics/vehicle_attitude.h>
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#include <uORB/topics/vehicle_attitude.h>
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#include <uORB/topics/manual_control_setpoint.h>
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#include <uORB/topics/manual_control_setpoint.h>
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#include <uORB/topics/vehicle_attitude_setpoint.h>
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#include <uORB/topics/vehicle_local_position_setpoint.h>
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#include <uORB/topics/vehicle_local_position.h>
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#include <systemlib/systemlib.h>
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static bool thread_should_exit = false; /**< Deamon exit flag */
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static bool thread_running = false; /**< Deamon status flag */
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static int deamon_task; /**< Handle of deamon task / thread */
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__EXPORT int multirotor_pos_control_main(int argc, char *argv[]);
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__EXPORT int multirotor_pos_control_main(int argc, char *argv[]);
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static bool thread_should_exit;
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/**
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static bool thread_running = false;
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* Mainloop of position controller.
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static int mpc_task;
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*/
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static int multirotor_pos_control_thread_main(int argc, char *argv[]);
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/**
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* Print the correct usage.
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*/
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static void usage(const char *reason);
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static void
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usage(const char *reason)
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{
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if (reason)
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fprintf(stderr, "%s\n", reason);
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fprintf(stderr, "usage: deamon {start|stop|status} [-p <additional params>]\n\n");
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exit(1);
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}
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/**
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* The deamon app only briefly exists to start
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* the background job. The stack size assigned in the
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* Makefile does only apply to this management task.
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*
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* The actual stack size should be set in the call
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* to task_spawn().
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*/
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int multirotor_pos_control_main(int argc, char *argv[])
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{
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if (argc < 1)
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usage("missing command");
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if (!strcmp(argv[1], "start")) {
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if (thread_running) {
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printf("multirotor pos control already running\n");
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/* this is not an error */
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exit(0);
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}
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thread_should_exit = false;
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deamon_task = task_spawn("multirotor pos control",
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SCHED_DEFAULT,
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SCHED_PRIORITY_MAX - 60,
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4096,
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multirotor_pos_control_thread_main,
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(argv) ? (const char **)&argv[2] : (const char **)NULL);
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exit(0);
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}
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if (!strcmp(argv[1], "stop")) {
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thread_should_exit = true;
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exit(0);
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}
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if (!strcmp(argv[1], "status")) {
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if (thread_running) {
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printf("\tmultirotor pos control app is running\n");
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} else {
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printf("\tmultirotor pos control app not started\n");
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}
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exit(0);
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}
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usage("unrecognized command");
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exit(1);
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}
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static int
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static int
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mpc_thread_main(int argc, char *argv[])
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multirotor_pos_control_thread_main(int argc, char *argv[])
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{
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{
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/* welcome user */
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/* welcome user */
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printf("[multirotor pos control] Control started, taking over position control\n");
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printf("[multirotor pos control] Control started, taking over position control\n");
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@@ -91,6 +159,8 @@ mpc_thread_main(int argc, char *argv[])
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/* publish attitude setpoint */
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/* publish attitude setpoint */
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orb_advert_t att_sp_pub = orb_advertise(ORB_ID(vehicle_attitude_setpoint), &att_sp);
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orb_advert_t att_sp_pub = orb_advertise(ORB_ID(vehicle_attitude_setpoint), &att_sp);
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thread_running = true;
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while (1) {
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while (1) {
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/* get a local copy of the vehicle state */
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/* get a local copy of the vehicle state */
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orb_copy(ORB_ID(vehicle_status), state_sub, &state);
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orb_copy(ORB_ID(vehicle_status), state_sub, &state);
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@@ -103,11 +173,19 @@ mpc_thread_main(int argc, char *argv[])
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/* get a local copy of local position setpoint */
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/* get a local copy of local position setpoint */
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orb_copy(ORB_ID(vehicle_local_position_setpoint), local_pos_sp_sub, &local_pos_sp);
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orb_copy(ORB_ID(vehicle_local_position_setpoint), local_pos_sp_sub, &local_pos_sp);
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if (state.state_machine == SYSTEM_STATE_AUTO) {
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// if (state.state_machine == SYSTEM_STATE_AUTO) {
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position_control(&state, &manual, &att, &local_pos, &local_pos_sp, &att_sp);
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// XXX IMPLEMENT POSITION CONTROL HERE
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att_sp.roll_body = 0.1f;
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att_sp.pitch_body = 0.0f;
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att_sp.yaw_body = 0.0f;
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att_sp.thrust = 0.4f;
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att_sp.timestamp = hrt_absolute_time();
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/* publish new attitude setpoint */
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/* publish new attitude setpoint */
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orb_publish(ORB_ID(vehicle_attitude_setpoint), att_sp_pub, &att_sp);
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orb_publish(ORB_ID(vehicle_attitude_setpoint), att_sp_pub, &att_sp);
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} else if (state.state_machine == SYSTEM_STATE_STABILIZE) {
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// } else if (state.state_machine == SYSTEM_STATE_STABILIZED) {
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/* set setpoint to current position */
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/* set setpoint to current position */
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// XXX select pos reset channel on remote
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// XXX select pos reset channel on remote
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/* reset setpoint to current position (position hold) */
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/* reset setpoint to current position (position hold) */
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@@ -117,19 +195,17 @@ mpc_thread_main(int argc, char *argv[])
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// local_pos_sp.z = local_pos.z;
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// local_pos_sp.z = local_pos.z;
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// local_pos_sp.yaw = att.yaw;
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// local_pos_sp.yaw = att.yaw;
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// }
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// }
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}
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// }
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/* run at approximately 50 Hz */
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/* run at approximately 50 Hz */
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usleep(20000);
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usleep(20000);
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counter++;
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}
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}
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/* close uarts */
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printf("[multirotor pos control] ending now...\n");
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close(ardrone_write);
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ar_multiplexing_deinit(gpios);
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thread_running = false;
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printf("[multirotor pos control] ending now...\r\n");
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fflush(stdout);
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fflush(stdout);
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return 0;
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return 0;
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}
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}
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@@ -1,235 +1,235 @@
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/****************************************************************************
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// /****************************************************************************
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*
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// *
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* Copyright (C) 2008-2012 PX4 Development Team. All rights reserved.
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// * Copyright (C) 2008-2012 PX4 Development Team. All rights reserved.
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* Author: @author Lorenz Meier <lm@inf.ethz.ch>
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// * Author: @author Lorenz Meier <lm@inf.ethz.ch>
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* @author Laurens Mackay <mackayl@student.ethz.ch>
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// * @author Laurens Mackay <mackayl@student.ethz.ch>
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* @author Tobias Naegeli <naegelit@student.ethz.ch>
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// * @author Tobias Naegeli <naegelit@student.ethz.ch>
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* @author Martin Rutschmann <rutmarti@student.ethz.ch>
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// * @author Martin Rutschmann <rutmarti@student.ethz.ch>
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*
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// *
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* Redistribution and use in source and binary forms, with or without
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// * Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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// * modification, are permitted provided that the following conditions
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* are met:
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// * are met:
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*
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// *
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* 1. Redistributions of source code must retain the above copyright
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// * 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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// * notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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// * 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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// * notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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// * the documentation and/or other materials provided with the
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* distribution.
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// * distribution.
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* 3. Neither the name PX4 nor the names of its contributors may be
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// * 3. Neither the name PX4 nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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// * used to endorse or promote products derived from this software
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* without specific prior written permission.
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// * without specific prior written permission.
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*
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// *
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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// * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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// * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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||||||
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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// * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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||||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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// * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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||||||
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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// * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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// * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
||||||
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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// * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
// * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
||||||
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
// * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||||
* POSSIBILITY OF SUCH DAMAGE.
|
// * POSSIBILITY OF SUCH DAMAGE.
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||||||
*
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// *
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****************************************************************************/
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// ****************************************************************************/
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/**
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// /**
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* @file multirotor_position_control.c
|
// * @file multirotor_position_control.c
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* Implementation of the position control for a multirotor VTOL
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// * Implementation of the position control for a multirotor VTOL
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*/
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// */
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#include <stdio.h>
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// #include <stdio.h>
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#include <stdlib.h>
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// #include <stdlib.h>
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#include <stdio.h>
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// #include <stdio.h>
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#include <stdint.h>
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// #include <stdint.h>
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#include <math.h>
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// #include <math.h>
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#include <stdbool.h>
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// #include <stdbool.h>
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#include <float.h>
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// #include <float.h>
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#include <systemlib/pid/pid.h>
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// #include <systemlib/pid/pid.h>
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#include "multirotor_position_control.h"
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// #include "multirotor_position_control.h"
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void control_multirotor_position(const struct vehicle_state_s *vstatus, const struct vehicle_manual_control_s *manual,
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// void control_multirotor_position(const struct vehicle_state_s *vstatus, const struct vehicle_manual_control_s *manual,
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const struct vehicle_attitude_s *att, const struct vehicle_local_position_s *local_pos,
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// const struct vehicle_attitude_s *att, const struct vehicle_local_position_s *local_pos,
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const struct vehicle_local_position_setpoint_s *local_pos_sp, struct vehicle_attitude_setpoint_s *att_sp)
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// const struct vehicle_local_position_setpoint_s *local_pos_sp, struct vehicle_attitude_setpoint_s *att_sp)
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{
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static PID_t distance_controller;
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static int read_ret;
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static global_data_position_t position_estimated;
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static uint16_t counter;
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static bool initialized;
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static uint16_t pm_counter;
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static float lat_next;
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static float lon_next;
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static float pitch_current;
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|
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static float thrust_total;
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if (initialized == false) {
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pid_init(&distance_controller,
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global_data_parameter_storage->pm.param_values[PARAM_PID_POS_P],
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|
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global_data_parameter_storage->pm.param_values[PARAM_PID_POS_I],
|
|
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global_data_parameter_storage->pm.param_values[PARAM_PID_POS_D],
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|
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global_data_parameter_storage->pm.param_values[PARAM_PID_POS_AWU],
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PID_MODE_DERIVATIV_CALC, 150);//150
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// pid_pos_lim = global_data_parameter_storage->pm.param_values[PARAM_PID_POS_LIM];
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// pid_pos_z_lim = global_data_parameter_storage->pm.param_values[PARAM_PID_POS_Z_LIM];
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thrust_total = 0.0f;
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|
||||||
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||||||
/* Position initialization */
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|
||||||
/* Wait for new position estimate */
|
|
||||||
do {
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read_ret = read_lock_position(&position_estimated);
|
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||||||
} while (read_ret != 0);
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|
||||||
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|
||||||
lat_next = position_estimated.lat;
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|
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lon_next = position_estimated.lon;
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|
||||||
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|
||||||
/* attitude initialization */
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|
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global_data_lock(&global_data_attitude->access_conf);
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|
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pitch_current = global_data_attitude->pitch;
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|
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global_data_unlock(&global_data_attitude->access_conf);
|
|
||||||
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|
||||||
initialized = true;
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|
||||||
}
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|
||||||
|
|
||||||
/* load new parameters with 10Hz */
|
|
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if (counter % 50 == 0) {
|
|
||||||
if (global_data_trylock(&global_data_parameter_storage->access_conf) == 0) {
|
|
||||||
/* check whether new parameters are available */
|
|
||||||
if (global_data_parameter_storage->counter > pm_counter) {
|
|
||||||
pid_set_parameters(&distance_controller,
|
|
||||||
global_data_parameter_storage->pm.param_values[PARAM_PID_POS_P],
|
|
||||||
global_data_parameter_storage->pm.param_values[PARAM_PID_POS_I],
|
|
||||||
global_data_parameter_storage->pm.param_values[PARAM_PID_POS_D],
|
|
||||||
global_data_parameter_storage->pm.param_values[PARAM_PID_POS_AWU]);
|
|
||||||
|
|
||||||
//
|
|
||||||
// pid_pos_lim = global_data_parameter_storage->pm.param_values[PARAM_PID_POS_LIM];
|
|
||||||
// pid_pos_z_lim = global_data_parameter_storage->pm.param_values[PARAM_PID_POS_Z_LIM];
|
|
||||||
|
|
||||||
pm_counter = global_data_parameter_storage->counter;
|
|
||||||
printf("Position controller changed pid parameters\n");
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
global_data_unlock(&global_data_parameter_storage->access_conf);
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
/* Wait for new position estimate */
|
|
||||||
do {
|
|
||||||
read_ret = read_lock_position(&position_estimated);
|
|
||||||
} while (read_ret != 0);
|
|
||||||
|
|
||||||
/* Get next waypoint */ //TODO: add local copy
|
|
||||||
|
|
||||||
if (0 == global_data_trylock(&global_data_position_setpoint->access_conf)) {
|
|
||||||
lat_next = global_data_position_setpoint->x;
|
|
||||||
lon_next = global_data_position_setpoint->y;
|
|
||||||
global_data_unlock(&global_data_position_setpoint->access_conf);
|
|
||||||
}
|
|
||||||
|
|
||||||
/* Get distance to waypoint */
|
|
||||||
float distance_to_waypoint = get_distance_to_next_waypoint(position_estimated.lat , position_estimated.lon, lat_next, lon_next);
|
|
||||||
// if(counter % 5 == 0)
|
|
||||||
// printf("distance_to_waypoint: %.4f\n", distance_to_waypoint);
|
|
||||||
|
|
||||||
/* Get bearing to waypoint (direction on earth surface to next waypoint) */
|
|
||||||
float bearing = get_bearing_to_next_waypoint(position_estimated.lat, position_estimated.lon, lat_next, lon_next);
|
|
||||||
|
|
||||||
if (counter % 5 == 0)
|
|
||||||
printf("bearing: %.4f\n", bearing);
|
|
||||||
|
|
||||||
/* Calculate speed in direction of bearing (needed for controller) */
|
|
||||||
float speed_norm = sqrtf(position_estimated.vx * position_estimated.vx + position_estimated.vy * position_estimated.vy);
|
|
||||||
// if(counter % 5 == 0)
|
|
||||||
// printf("speed_norm: %.4f\n", speed_norm);
|
|
||||||
float speed_to_waypoint = 0; //(position_estimated.vx * cosf(bearing) + position_estimated.vy * sinf(bearing))/speed_norm; //FIXME, TODO: re-enable this once we have a full estimate of the speed, then we can do a PID for the distance controller
|
|
||||||
|
|
||||||
/* Control Thrust in bearing direction */
|
|
||||||
float horizontal_thrust = -pid_calculate(&distance_controller, 0, distance_to_waypoint, speed_to_waypoint,
|
|
||||||
CONTROL_PID_POSITION_INTERVAL); //TODO: maybe this "-" sign is an error somewhere else
|
|
||||||
|
|
||||||
// if(counter % 5 == 0)
|
|
||||||
// printf("horizontal thrust: %.4f\n", horizontal_thrust);
|
|
||||||
|
|
||||||
/* Get total thrust (from remote for now) */
|
|
||||||
if (0 == global_data_trylock(&global_data_rc_channels->access_conf)) {
|
|
||||||
thrust_total = (float)global_data_rc_channels->chan[THROTTLE].scale; //TODO: how should we use the RC_CHANNELS_FUNCTION enum?
|
|
||||||
global_data_unlock(&global_data_rc_channels->access_conf);
|
|
||||||
}
|
|
||||||
|
|
||||||
const float max_gas = 500.0f;
|
|
||||||
thrust_total *= max_gas / 20000.0f; //TODO: check this
|
|
||||||
thrust_total += max_gas / 2.0f;
|
|
||||||
|
|
||||||
|
|
||||||
if (horizontal_thrust > thrust_total) {
|
|
||||||
horizontal_thrust = thrust_total;
|
|
||||||
|
|
||||||
} else if (horizontal_thrust < -thrust_total) {
|
|
||||||
horizontal_thrust = -thrust_total;
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
//TODO: maybe we want to add a speed controller later...
|
|
||||||
|
|
||||||
/* Calclulate thrust in east and north direction */
|
|
||||||
float thrust_north = cosf(bearing) * horizontal_thrust;
|
|
||||||
float thrust_east = sinf(bearing) * horizontal_thrust;
|
|
||||||
|
|
||||||
if (counter % 10 == 0) {
|
|
||||||
printf("thrust north: %.4f\n", thrust_north);
|
|
||||||
printf("thrust east: %.4f\n", thrust_east);
|
|
||||||
fflush(stdout);
|
|
||||||
}
|
|
||||||
|
|
||||||
/* Get current attitude */
|
|
||||||
if (0 == global_data_trylock(&global_data_attitude->access_conf)) {
|
|
||||||
pitch_current = global_data_attitude->pitch;
|
|
||||||
global_data_unlock(&global_data_attitude->access_conf);
|
|
||||||
}
|
|
||||||
|
|
||||||
/* Get desired pitch & roll */
|
|
||||||
float pitch_desired = 0.0f;
|
|
||||||
float roll_desired = 0.0f;
|
|
||||||
|
|
||||||
if (thrust_total != 0) {
|
|
||||||
float pitch_fraction = -thrust_north / thrust_total;
|
|
||||||
float roll_fraction = thrust_east / (cosf(pitch_current) * thrust_total);
|
|
||||||
|
|
||||||
if (roll_fraction < -1) {
|
|
||||||
roll_fraction = -1;
|
|
||||||
|
|
||||||
} else if (roll_fraction > 1) {
|
|
||||||
roll_fraction = 1;
|
|
||||||
}
|
|
||||||
|
|
||||||
// if(counter % 5 == 0)
|
|
||||||
// {
|
// {
|
||||||
// printf("pitch_fraction: %.4f, roll_fraction: %.4f\n",pitch_fraction, roll_fraction);
|
// static PID_t distance_controller;
|
||||||
|
|
||||||
|
// static int read_ret;
|
||||||
|
// static global_data_position_t position_estimated;
|
||||||
|
|
||||||
|
// static uint16_t counter;
|
||||||
|
|
||||||
|
// static bool initialized;
|
||||||
|
// static uint16_t pm_counter;
|
||||||
|
|
||||||
|
// static float lat_next;
|
||||||
|
// static float lon_next;
|
||||||
|
|
||||||
|
// static float pitch_current;
|
||||||
|
|
||||||
|
// static float thrust_total;
|
||||||
|
|
||||||
|
|
||||||
|
// if (initialized == false) {
|
||||||
|
|
||||||
|
// pid_init(&distance_controller,
|
||||||
|
// global_data_parameter_storage->pm.param_values[PARAM_PID_POS_P],
|
||||||
|
// global_data_parameter_storage->pm.param_values[PARAM_PID_POS_I],
|
||||||
|
// global_data_parameter_storage->pm.param_values[PARAM_PID_POS_D],
|
||||||
|
// global_data_parameter_storage->pm.param_values[PARAM_PID_POS_AWU],
|
||||||
|
// PID_MODE_DERIVATIV_CALC, 150);//150
|
||||||
|
|
||||||
|
// // pid_pos_lim = global_data_parameter_storage->pm.param_values[PARAM_PID_POS_LIM];
|
||||||
|
// // pid_pos_z_lim = global_data_parameter_storage->pm.param_values[PARAM_PID_POS_Z_LIM];
|
||||||
|
|
||||||
|
// thrust_total = 0.0f;
|
||||||
|
|
||||||
|
// /* Position initialization */
|
||||||
|
// /* Wait for new position estimate */
|
||||||
|
// do {
|
||||||
|
// read_ret = read_lock_position(&position_estimated);
|
||||||
|
// } while (read_ret != 0);
|
||||||
|
|
||||||
|
// lat_next = position_estimated.lat;
|
||||||
|
// lon_next = position_estimated.lon;
|
||||||
|
|
||||||
|
// /* attitude initialization */
|
||||||
|
// global_data_lock(&global_data_attitude->access_conf);
|
||||||
|
// pitch_current = global_data_attitude->pitch;
|
||||||
|
// global_data_unlock(&global_data_attitude->access_conf);
|
||||||
|
|
||||||
|
// initialized = true;
|
||||||
|
// }
|
||||||
|
|
||||||
|
// /* load new parameters with 10Hz */
|
||||||
|
// if (counter % 50 == 0) {
|
||||||
|
// if (global_data_trylock(&global_data_parameter_storage->access_conf) == 0) {
|
||||||
|
// /* check whether new parameters are available */
|
||||||
|
// if (global_data_parameter_storage->counter > pm_counter) {
|
||||||
|
// pid_set_parameters(&distance_controller,
|
||||||
|
// global_data_parameter_storage->pm.param_values[PARAM_PID_POS_P],
|
||||||
|
// global_data_parameter_storage->pm.param_values[PARAM_PID_POS_I],
|
||||||
|
// global_data_parameter_storage->pm.param_values[PARAM_PID_POS_D],
|
||||||
|
// global_data_parameter_storage->pm.param_values[PARAM_PID_POS_AWU]);
|
||||||
|
|
||||||
|
// //
|
||||||
|
// // pid_pos_lim = global_data_parameter_storage->pm.param_values[PARAM_PID_POS_LIM];
|
||||||
|
// // pid_pos_z_lim = global_data_parameter_storage->pm.param_values[PARAM_PID_POS_Z_LIM];
|
||||||
|
|
||||||
|
// pm_counter = global_data_parameter_storage->counter;
|
||||||
|
// printf("Position controller changed pid parameters\n");
|
||||||
|
// }
|
||||||
|
// }
|
||||||
|
|
||||||
|
// global_data_unlock(&global_data_parameter_storage->access_conf);
|
||||||
|
// }
|
||||||
|
|
||||||
|
|
||||||
|
// /* Wait for new position estimate */
|
||||||
|
// do {
|
||||||
|
// read_ret = read_lock_position(&position_estimated);
|
||||||
|
// } while (read_ret != 0);
|
||||||
|
|
||||||
|
// /* Get next waypoint */ //TODO: add local copy
|
||||||
|
|
||||||
|
// if (0 == global_data_trylock(&global_data_position_setpoint->access_conf)) {
|
||||||
|
// lat_next = global_data_position_setpoint->x;
|
||||||
|
// lon_next = global_data_position_setpoint->y;
|
||||||
|
// global_data_unlock(&global_data_position_setpoint->access_conf);
|
||||||
|
// }
|
||||||
|
|
||||||
|
// /* Get distance to waypoint */
|
||||||
|
// float distance_to_waypoint = get_distance_to_next_waypoint(position_estimated.lat , position_estimated.lon, lat_next, lon_next);
|
||||||
|
// // if(counter % 5 == 0)
|
||||||
|
// // printf("distance_to_waypoint: %.4f\n", distance_to_waypoint);
|
||||||
|
|
||||||
|
// /* Get bearing to waypoint (direction on earth surface to next waypoint) */
|
||||||
|
// float bearing = get_bearing_to_next_waypoint(position_estimated.lat, position_estimated.lon, lat_next, lon_next);
|
||||||
|
|
||||||
|
// if (counter % 5 == 0)
|
||||||
|
// printf("bearing: %.4f\n", bearing);
|
||||||
|
|
||||||
|
// /* Calculate speed in direction of bearing (needed for controller) */
|
||||||
|
// float speed_norm = sqrtf(position_estimated.vx * position_estimated.vx + position_estimated.vy * position_estimated.vy);
|
||||||
|
// // if(counter % 5 == 0)
|
||||||
|
// // printf("speed_norm: %.4f\n", speed_norm);
|
||||||
|
// float speed_to_waypoint = 0; //(position_estimated.vx * cosf(bearing) + position_estimated.vy * sinf(bearing))/speed_norm; //FIXME, TODO: re-enable this once we have a full estimate of the speed, then we can do a PID for the distance controller
|
||||||
|
|
||||||
|
// /* Control Thrust in bearing direction */
|
||||||
|
// float horizontal_thrust = -pid_calculate(&distance_controller, 0, distance_to_waypoint, speed_to_waypoint,
|
||||||
|
// CONTROL_PID_POSITION_INTERVAL); //TODO: maybe this "-" sign is an error somewhere else
|
||||||
|
|
||||||
|
// // if(counter % 5 == 0)
|
||||||
|
// // printf("horizontal thrust: %.4f\n", horizontal_thrust);
|
||||||
|
|
||||||
|
// /* Get total thrust (from remote for now) */
|
||||||
|
// if (0 == global_data_trylock(&global_data_rc_channels->access_conf)) {
|
||||||
|
// thrust_total = (float)global_data_rc_channels->chan[THROTTLE].scale; //TODO: how should we use the RC_CHANNELS_FUNCTION enum?
|
||||||
|
// global_data_unlock(&global_data_rc_channels->access_conf);
|
||||||
|
// }
|
||||||
|
|
||||||
|
// const float max_gas = 500.0f;
|
||||||
|
// thrust_total *= max_gas / 20000.0f; //TODO: check this
|
||||||
|
// thrust_total += max_gas / 2.0f;
|
||||||
|
|
||||||
|
|
||||||
|
// if (horizontal_thrust > thrust_total) {
|
||||||
|
// horizontal_thrust = thrust_total;
|
||||||
|
|
||||||
|
// } else if (horizontal_thrust < -thrust_total) {
|
||||||
|
// horizontal_thrust = -thrust_total;
|
||||||
|
// }
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
// //TODO: maybe we want to add a speed controller later...
|
||||||
|
|
||||||
|
// /* Calclulate thrust in east and north direction */
|
||||||
|
// float thrust_north = cosf(bearing) * horizontal_thrust;
|
||||||
|
// float thrust_east = sinf(bearing) * horizontal_thrust;
|
||||||
|
|
||||||
|
// if (counter % 10 == 0) {
|
||||||
|
// printf("thrust north: %.4f\n", thrust_north);
|
||||||
|
// printf("thrust east: %.4f\n", thrust_east);
|
||||||
// fflush(stdout);
|
// fflush(stdout);
|
||||||
// }
|
// }
|
||||||
|
|
||||||
pitch_desired = asinf(pitch_fraction);
|
// /* Get current attitude */
|
||||||
roll_desired = asinf(roll_fraction);
|
// if (0 == global_data_trylock(&global_data_attitude->access_conf)) {
|
||||||
}
|
// pitch_current = global_data_attitude->pitch;
|
||||||
|
// global_data_unlock(&global_data_attitude->access_conf);
|
||||||
|
// }
|
||||||
|
|
||||||
att_sp.roll = roll_desired;
|
// /* Get desired pitch & roll */
|
||||||
att_sp.pitch = pitch_desired;
|
// float pitch_desired = 0.0f;
|
||||||
|
// float roll_desired = 0.0f;
|
||||||
|
|
||||||
counter++;
|
// if (thrust_total != 0) {
|
||||||
}
|
// float pitch_fraction = -thrust_north / thrust_total;
|
||||||
|
// float roll_fraction = thrust_east / (cosf(pitch_current) * thrust_total);
|
||||||
|
|
||||||
|
// if (roll_fraction < -1) {
|
||||||
|
// roll_fraction = -1;
|
||||||
|
|
||||||
|
// } else if (roll_fraction > 1) {
|
||||||
|
// roll_fraction = 1;
|
||||||
|
// }
|
||||||
|
|
||||||
|
// // if(counter % 5 == 0)
|
||||||
|
// // {
|
||||||
|
// // printf("pitch_fraction: %.4f, roll_fraction: %.4f\n",pitch_fraction, roll_fraction);
|
||||||
|
// // fflush(stdout);
|
||||||
|
// // }
|
||||||
|
|
||||||
|
// pitch_desired = asinf(pitch_fraction);
|
||||||
|
// roll_desired = asinf(roll_fraction);
|
||||||
|
// }
|
||||||
|
|
||||||
|
// att_sp.roll = roll_desired;
|
||||||
|
// att_sp.pitch = pitch_desired;
|
||||||
|
|
||||||
|
// counter++;
|
||||||
|
// }
|
||||||
|
|||||||
@@ -40,11 +40,11 @@
|
|||||||
* Definition of the position control for a multirotor VTOL
|
* Definition of the position control for a multirotor VTOL
|
||||||
*/
|
*/
|
||||||
|
|
||||||
#ifndef POSITION_CONTROL_H_
|
// #ifndef POSITION_CONTROL_H_
|
||||||
#define POSITION_CONTROL_H_
|
// #define POSITION_CONTROL_H_
|
||||||
|
|
||||||
void control_multirotor_position(const struct vehicle_state_s *vstatus, const struct vehicle_manual_control_s *manual,
|
// void control_multirotor_position(const struct vehicle_state_s *vstatus, const struct vehicle_manual_control_s *manual,
|
||||||
const struct vehicle_attitude_s *att, const struct vehicle_local_position_s *local_pos,
|
// const struct vehicle_attitude_s *att, const struct vehicle_local_position_s *local_pos,
|
||||||
const struct vehicle_local_position_setpoint_s *local_pos_sp, struct vehicle_attitude_setpoint_s *att_sp);
|
// const struct vehicle_local_position_setpoint_s *local_pos_sp, struct vehicle_attitude_setpoint_s *att_sp);
|
||||||
|
|
||||||
#endif /* POSITION_CONTROL_H_ */
|
// #endif /* POSITION_CONTROL_H_ */
|
||||||
|
|||||||
@@ -74,6 +74,7 @@ CONFIGURED_APPS += sdlog
|
|||||||
CONFIGURED_APPS += sensors
|
CONFIGURED_APPS += sensors
|
||||||
CONFIGURED_APPS += ardrone_interface
|
CONFIGURED_APPS += ardrone_interface
|
||||||
CONFIGURED_APPS += multirotor_att_control
|
CONFIGURED_APPS += multirotor_att_control
|
||||||
|
CONFIGURED_APPS += multirotor_pos_control
|
||||||
CONFIGURED_APPS += px4/attitude_estimator_bm
|
CONFIGURED_APPS += px4/attitude_estimator_bm
|
||||||
CONFIGURED_APPS += fixedwing_control
|
CONFIGURED_APPS += fixedwing_control
|
||||||
CONFIGURED_APPS += position_estimator
|
CONFIGURED_APPS += position_estimator
|
||||||
|
|||||||
Reference in New Issue
Block a user