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-rw-r--r--src/modules/multirotor_att_control/multirotor_attitude_control.c49
-rw-r--r--src/modules/multirotor_att_control/multirotor_rate_control.c35
2 files changed, 28 insertions, 56 deletions
diff --git a/src/modules/multirotor_att_control/multirotor_attitude_control.c b/src/modules/multirotor_att_control/multirotor_attitude_control.c
index 76dbb36d3..d7e1a3adc 100644
--- a/src/modules/multirotor_att_control/multirotor_attitude_control.c
+++ b/src/modules/multirotor_att_control/multirotor_attitude_control.c
@@ -57,50 +57,29 @@
PARAM_DEFINE_FLOAT(MC_YAWPOS_P, 0.3f);
PARAM_DEFINE_FLOAT(MC_YAWPOS_I, 0.15f);
PARAM_DEFINE_FLOAT(MC_YAWPOS_D, 0.0f);
-//PARAM_DEFINE_FLOAT(MC_YAWPOS_AWU, 1.0f);
-//PARAM_DEFINE_FLOAT(MC_YAWPOS_LIM, 3.0f);
PARAM_DEFINE_FLOAT(MC_ATT_P, 0.2f);
PARAM_DEFINE_FLOAT(MC_ATT_I, 0.0f);
PARAM_DEFINE_FLOAT(MC_ATT_D, 0.05f);
-//PARAM_DEFINE_FLOAT(MC_ATT_AWU, 0.05f);
-//PARAM_DEFINE_FLOAT(MC_ATT_LIM, 0.4f);
-
-//PARAM_DEFINE_FLOAT(MC_ATT_XOFF, 0.0f);
-//PARAM_DEFINE_FLOAT(MC_ATT_YOFF, 0.0f);
struct mc_att_control_params {
float yaw_p;
float yaw_i;
float yaw_d;
- //float yaw_awu;
- //float yaw_lim;
float att_p;
float att_i;
float att_d;
- //float att_awu;
- //float att_lim;
-
- //float att_xoff;
- //float att_yoff;
};
struct mc_att_control_param_handles {
param_t yaw_p;
param_t yaw_i;
param_t yaw_d;
- //param_t yaw_awu;
- //param_t yaw_lim;
param_t att_p;
param_t att_i;
param_t att_d;
- //param_t att_awu;
- //param_t att_lim;
-
- //param_t att_xoff;
- //param_t att_yoff;
};
/**
@@ -122,17 +101,10 @@ static int parameters_init(struct mc_att_control_param_handles *h)
h->yaw_p = param_find("MC_YAWPOS_P");
h->yaw_i = param_find("MC_YAWPOS_I");
h->yaw_d = param_find("MC_YAWPOS_D");
- //h->yaw_awu = param_find("MC_YAWPOS_AWU");
- //h->yaw_lim = param_find("MC_YAWPOS_LIM");
h->att_p = param_find("MC_ATT_P");
h->att_i = param_find("MC_ATT_I");
h->att_d = param_find("MC_ATT_D");
- //h->att_awu = param_find("MC_ATT_AWU");
- //h->att_lim = param_find("MC_ATT_LIM");
-
- //h->att_xoff = param_find("MC_ATT_XOFF");
- //h->att_yoff = param_find("MC_ATT_YOFF");
return OK;
}
@@ -142,17 +114,10 @@ static int parameters_update(const struct mc_att_control_param_handles *h, struc
param_get(h->yaw_p, &(p->yaw_p));
param_get(h->yaw_i, &(p->yaw_i));
param_get(h->yaw_d, &(p->yaw_d));
- //param_get(h->yaw_awu, &(p->yaw_awu));
- //param_get(h->yaw_lim, &(p->yaw_lim));
param_get(h->att_p, &(p->att_p));
param_get(h->att_i, &(p->att_i));
param_get(h->att_d, &(p->att_d));
- //param_get(h->att_awu, &(p->att_awu));
- //param_get(h->att_lim, &(p->att_lim));
-
- //param_get(h->att_xoff, &(p->att_xoff));
- //param_get(h->att_yoff, &(p->att_yoff));
return OK;
}
@@ -170,8 +135,8 @@ void multirotor_control_attitude(const struct vehicle_attitude_setpoint_s *att_s
last_input = att_sp->timestamp;
}
- static int sensor_delay;
- sensor_delay = hrt_absolute_time() - att->timestamp;
+// static int sensor_delay;
+// sensor_delay = hrt_absolute_time() - att->timestamp;
static int motor_skip_counter = 0;
@@ -190,10 +155,8 @@ void multirotor_control_attitude(const struct vehicle_attitude_setpoint_s *att_s
parameters_init(&h);
parameters_update(&h, &p);
- pid_init(&pitch_controller, p.att_p, p.att_i, p.att_d, 1000.0f,
- 1000.0f, PID_MODE_DERIVATIV_SET);
- pid_init(&roll_controller, p.att_p, p.att_i, p.att_d, 1000.0f,
- 1000.0f, PID_MODE_DERIVATIV_SET);
+ pid_init(&pitch_controller, p.att_p, p.att_i, p.att_d, 1000.0f, 1000.0f, 0.0f, PID_MODE_DERIVATIV_SET);
+ pid_init(&roll_controller, p.att_p, p.att_i, p.att_d, 1000.0f, 1000.0f, 0.0f, PID_MODE_DERIVATIV_SET);
initialized = true;
}
@@ -204,8 +167,8 @@ void multirotor_control_attitude(const struct vehicle_attitude_setpoint_s *att_s
parameters_update(&h, &p);
/* apply parameters */
- pid_set_parameters(&pitch_controller, p.att_p, p.att_i, p.att_d, 1000.0f, 1000.0f);
- pid_set_parameters(&roll_controller, p.att_p, p.att_i, p.att_d, 1000.0f, 1000.0f);
+ pid_set_parameters(&pitch_controller, p.att_p, p.att_i, p.att_d, 1000.0f, 1000.0f, 0.0f);
+ pid_set_parameters(&roll_controller, p.att_p, p.att_i, p.att_d, 1000.0f, 1000.0f, 0.0f);
}
/* reset integral if on ground */
diff --git a/src/modules/multirotor_att_control/multirotor_rate_control.c b/src/modules/multirotor_att_control/multirotor_rate_control.c
index deba1ac03..57aea726a 100644
--- a/src/modules/multirotor_att_control/multirotor_rate_control.c
+++ b/src/modules/multirotor_att_control/multirotor_rate_control.c
@@ -150,13 +150,11 @@ static int parameters_update(const struct mc_rate_control_param_handles *h, stru
void multirotor_control_rates(const struct vehicle_rates_setpoint_s *rate_sp,
const float rates[], struct actuator_controls_s *actuators)
{
- static float roll_control_last = 0;
- static float pitch_control_last = 0;
static uint64_t last_run = 0;
const float deltaT = (hrt_absolute_time() - last_run) / 1000000.0f;
static uint64_t last_input = 0;
- float dT_input = (hrt_absolute_time() - last_input) / 1000000.0f;
+// float dT_input = (hrt_absolute_time() - last_input) / 1000000.0f;
if (last_input != rate_sp->timestamp) {
last_input = rate_sp->timestamp;
@@ -166,9 +164,15 @@ void multirotor_control_rates(const struct vehicle_rates_setpoint_s *rate_sp,
static int motor_skip_counter = 0;
+ static PID_t pitch_rate_controller;
+ static PID_t roll_rate_controller;
+
static struct mc_rate_control_params p;
static struct mc_rate_control_param_handles h;
+ float pitch_control_last = 0.0f;
+ float roll_control_last = 0.0f;
+
static bool initialized = false;
/* initialize the pid controllers when the function is called for the first time */
@@ -176,39 +180,44 @@ void multirotor_control_rates(const struct vehicle_rates_setpoint_s *rate_sp,
parameters_init(&h);
parameters_update(&h, &p);
initialized = true;
+
+ pid_init(&pitch_rate_controller, p.attrate_p, p.attrate_i, p.attrate_d, 1000.0f,
+ 1000.0f, 0.2f, PID_MODE_DERIVATIV_CALC);
+ pid_init(&roll_rate_controller, p.attrate_p, p.attrate_i, p.attrate_d, 1000.0f,
+ 1000.0f, 0.2f, PID_MODE_DERIVATIV_CALC);
}
/* load new parameters with lower rate */
if (motor_skip_counter % 2500 == 0) {
/* update parameters from storage */
parameters_update(&h, &p);
- // warnx("rate ctrl: p.yawrate_p: %8.4f, loop: %d Hz, input: %d Hz",
- // (double)p.yawrate_p, (int)(1.0f/deltaT), (int)(1.0f/dT_input));
+ pid_set_parameters(&pitch_rate_controller, p.attrate_p, p.attrate_i, p.attrate_d, 1000.0f, 1000.0f, 0.2f);
+ pid_set_parameters(&roll_rate_controller, p.attrate_p, p.attrate_i, p.attrate_d, 1000.0f, 1000.0f, 0.2f);
}
- /* calculate current control outputs */
-
/* control pitch (forward) output */
- float pitch_control = p.attrate_p * (rate_sp->pitch - rates[1]) - (p.attrate_d * pitch_control_last);
+ float pitch_control = pid_calculate(&pitch_rate_controller, rate_sp->pitch ,
+ rates[1], 0.0f, deltaT);
+
+ /* control roll (left/right) output */
+ float roll_control = pid_calculate(&roll_rate_controller, rate_sp->roll ,
+ rates[0], 0.0f, deltaT);
/* increase resilience to faulty control inputs */
if (isfinite(pitch_control)) {
pitch_control_last = pitch_control;
} else {
- pitch_control = 0.0f;
+ pitch_control = pitch_control_last;
warnx("rej. NaN ctrl pitch");
}
- /* control roll (left/right) output */
- float roll_control = p.attrate_p * (rate_sp->roll - rates[0]) - (p.attrate_d * roll_control_last);
-
/* increase resilience to faulty control inputs */
if (isfinite(roll_control)) {
roll_control_last = roll_control;
} else {
- roll_control = 0.0f;
+ roll_control = roll_control_last;
warnx("rej. NaN ctrl roll");
}