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https://github.com/ArduPilot/ardupilot
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ACM: Disabled D term experiment for Loiter until more testing
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@ -109,12 +109,12 @@ static void calc_location_error(struct Location *next_loc)
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tmp = (long_error - last_lon_error);
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if(abs(abs(tmp) -last_lon_d) > 20){
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tmp = x_rate_d;
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}
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}/*
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if(long_error > 0){
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if(tmp < 0) tmp = 0;
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}else{
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if(tmp > 0) tmp = 0;
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}
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}*/
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x_rate_d = lon_rate_d_filter.apply(tmp);
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x_rate_d = constrain(x_rate_d, -800, 800);
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last_lon_d = abs(tmp);
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@ -123,11 +123,11 @@ static void calc_location_error(struct Location *next_loc)
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tmp = (lat_error - last_lat_error);
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if(abs(abs(tmp) -last_lat_d) > 20)
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tmp = y_rate_d;
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if(lat_error > 0){
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/*if(lat_error > 0){
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if(tmp < 0) tmp = 0;
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}else{
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if(tmp > 0) tmp = 0;
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}
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}*/
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y_rate_d = lat_rate_d_filter.apply(tmp);
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y_rate_d = constrain(y_rate_d, -800, 800);
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last_lat_d = abs(tmp);
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@ -151,16 +151,16 @@ static void calc_loiter(int x_error, int y_error)
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x_target_speed = g.pi_loiter_lon.get_p(x_error); // not contstrained yet
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//x_target_speed = constrain(x_target_speed, -250, 250); // limit to 2.5m/s travel speed
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x_rate_error = x_target_speed - x_actual_speed; // calc the speed error
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nav_lon = g.pid_loiter_rate_lon.get_pi(x_rate_error, dTnav);
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nav_lon += x_rate_d * (g.pid_loiter_rate_lon.kD() / dTnav);
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nav_lon = g.pid_loiter_rate_lon.get_pid(x_rate_error, dTnav);
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//nav_lon += x_rate_d * (g.pid_loiter_rate_lon.kD() / dTnav);
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nav_lon = constrain(nav_lon, -3000, 3000); // 30°
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// North / South
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y_target_speed = g.pi_loiter_lat.get_p(y_error);
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//y_target_speed = constrain(y_target_speed, -250, 250);
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y_rate_error = y_target_speed - y_actual_speed;
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nav_lat = g.pid_loiter_rate_lat.get_pi(y_rate_error, dTnav);
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nav_lat += y_rate_d * (g.pid_loiter_rate_lat.kD() / dTnav);
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nav_lat = g.pid_loiter_rate_lat.get_pid(y_rate_error, dTnav);
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//nav_lat += y_rate_d * (g.pid_loiter_rate_lat.kD() / dTnav);
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nav_lat = constrain(nav_lat, -3000, 3000); // 30°
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// copy over I term to Nav_Rate
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