raw_vehicle_cmd_converter
raw_vehicle_command_converter
is a node that converts desired acceleration and velocity to mechanical input by using feed forward + feed back control (optional).
Name |
Type |
Description |
~/input/control_cmd |
autoware_auto_control_msgs::msg::AckermannControlCommand |
target velocity/acceleration/steering_angle/steering_angle_velocity is necessary to calculate actuation command. |
~/input/steering" |
autoware_auto_vehicle_msgs::SteeringReport |
current status of steering used for steering feed back control |
~/input/twist |
navigation_msgs::Odometry |
twist topic in odometry is used. |
Output topics
Name |
Type |
Description |
~/output/actuation_cmd |
tier4_vehicle_msgs::msg::ActuationCommandStamped |
actuation command for vehicle to apply mechanical input |
Parameters
Name |
Type |
Description |
Default |
Range |
csv_path_accel_map |
string |
path for acceleration map csv file |
$(find-pkg-share raw_vehicle_cmd_converter)/data/default/accel_map.csv |
N/A |
csv_path_brake_map |
string |
path for brake map csv file |
$(find-pkg-share raw_vehicle_cmd_converter)/data/default/brake_map.csv |
N/A |
csv_path_steer_map |
string |
path for steer map csv file |
$(find-pkg-share raw_vehicle_cmd_converter)/data/default/steer_map.csv |
N/A |
convert_accel_cmd |
boolean |
use accel or not |
true |
N/A |
convert_brake_cmd |
boolean |
use brake or not |
true |
N/A |
convert_steer_cmd |
boolean |
use steer or not |
true |
N/A |
use_steer_ff |
boolean |
steering steer controller using steer feed forward or not |
true |
N/A |
use_steer_fb |
boolean |
steering steer controller using steer feed back or not |
true |
N/A |
is_debugging |
boolean |
debugging mode or not |
false |
N/A |
max_throttle |
float |
maximum value of throttle |
0.4 |
≥0.0 |
max_brake |
float |
maximum value of brake |
0.8 |
≥0.0 |
max_steer |
float |
maximum value of steer |
10.0 |
N/A |
min_steer |
float |
minimum value of steer |
-10.0 |
N/A |
steer_pid.kp |
float |
proportional coefficient value in PID control |
150.0 |
N/A |
steer_pid.ki |
float |
integral coefficient value in PID control |
15.0 |
>0.0 |
steer_pid.kd |
float |
derivative coefficient value in PID control |
0.0 |
N/A |
steer_pid.max |
float |
maximum value of PID |
8.0 |
N/A |
steer_pid.min |
float |
minimum value of PID |
-8.0. |
N/A |
steer_pid.max_p |
float |
maximum value of Proportional in PID |
8.0 |
N/A |
steer_pid.min_p |
float |
minimum value of Proportional in PID |
-8.0 |
N/A |
steer_pid.max_i |
float |
maximum value of Integral in PID |
8.0 |
N/A |
steer_pid.min_i |
float |
minimum value of Integral in PID |
-8.0 |
N/A |
steer_pid.max_d |
float |
maximum value of Derivative in PID |
0.0 |
N/A |
steer_pid.min_d |
float |
minimum value of Derivative in PID |
0.0 |
N/A |
steer_pid.invalid_integration_decay |
float |
invalid integration decay value in PID control |
0.97 |
>0.0 |
Limitation
The current feed back implementation is only applied to steering control.