Mirror
/
ardupilot
mirror of https://github.com/ArduPilot/ardupilot
5
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

removed Xtrack and increased rate error limit

This commit is contained in:
Jason Short 2011-09-11 20:36:20 -07:00
parent 285029856b
commit bae05178f0
1 changed files with 16 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

28
ArduCopter/navigation.pde
View File

@ -34,11 +34,12 @@ static void navigate()
// nav_bearing will include xtrac correction
// -----------------------------------------
//xtrack_enabled = false;
if(xtrack_enabled){
nav_bearing = wrap_360(target_bearing + get_crosstrack_correction());
}else{
nav_bearing = target_bearing;
}
//if(xtrack_enabled){
// crosstrack_correction = get_crosstrack_correction();
//}else {
// crosstrack_correction = 0;
//}
}
static bool check_missed_wp()
@ -101,18 +102,20 @@ static void calc_nav_rate(int x_error, int y_error, int max_speed, int min_speed
}
// find the rates:
float temp = radians((float)g_gps->ground_course/100.0);
// calc the cos of the error to tell how fast we are moving towards the target in cm
y_actual_speed = (float)g_gps->ground_speed * cos(radians((float)g_gps->ground_course/100.0));
y_actual_speed = (float)g_gps->ground_speed * cos(temp);
y_rate_error = y_target_speed - y_actual_speed; // 413
y_rate_error = constrain(y_rate_error, -250, 250); // added a rate error limit to keep pitching down to a minimum
y_rate_error = constrain(y_rate_error, -600, 600); // added a rate error limit to keep pitching down to a minimum
nav_lat = constrain(g.pi_nav_lat.get_pi(y_rate_error, dTnav), -3500, 3500);
//Serial.printf("yr: %d, nav_lat: %d, int:%d \n",y_rate_error, nav_lat, g.pi_nav_lat.get_integrator());
// calc the sin of the error to tell how fast we are moving laterally to the target in cm
x_actual_speed = (float)g_gps->ground_speed * sin(radians((float)g_gps->ground_course/100.0));
x_actual_speed = (float)g_gps->ground_speed * sin(temp);
x_rate_error = x_target_speed - x_actual_speed;
x_rate_error = constrain(x_rate_error, -250, 250);
x_rate_error = constrain(x_rate_error, -600, 600);
nav_lon = constrain(g.pi_nav_lon.get_pi(x_rate_error, dTnav), -3500, 3500);
}
@ -128,11 +131,11 @@ static void calc_nav_pitch_roll()
}
// ------------------------------
static void calc_bearing_error()
/*static void calc_bearing_error()
{
bearing_error = nav_bearing - dcm.yaw_sensor;
bearing_error = wrap_180(bearing_error);
}
}*/
static long get_altitude_error()
{
@ -189,6 +192,7 @@ static long wrap_180(long error)
return error;
}
/*
static long get_crosstrack_correction(void)
{
// Crosstrack Error
@ -206,7 +210,7 @@ static long get_crosstrack_correction(void)
}
return 0;
}
*/
static long cross_track_test()
{