servo_sim.launch error

Issue #11 new
created an issue

I encountered a error when launch pid :

itfanr@itfanr-pc:catkin_ws$ roslaunch pid servo_sim.launch 
... logging to /home/itfanr/.ros/log/9736a478-b7e1-11e8-b3ca-408d5c402b0c/roslaunch-itfanr-pc-6373.log
Checking log directory for disk usage. This may take awhile.
Press Ctrl-C to interrupt
Done checking log file disk usage. Usage is <1GB.

started roslaunch server http://itfanr-pc:41313/


 * /left_wheel_pid/Kd: 0.1
 * /left_wheel_pid/Ki: 0.0
 * /left_wheel_pid/Kp: 5.0
 * /left_wheel_pid/cutoff_frequency: 20
 * /left_wheel_pid/lower_limit: -10
 * /left_wheel_pid/max_loop_frequency: 105.0
 * /left_wheel_pid/min_loop_frequency: 95.0
 * /left_wheel_pid/upper_limit: 10
 * /left_wheel_pid/windup_limit: 10
 * /rosdistro: kinetic
 * /rosversion: 1.12.14
 * /servo_sim_node/plant_order: 2

    left_wheel_pid (pid/controller)
    rqt_plot (rqt_plot/rqt_plot)
    rqt_reconfigure (rqt_reconfigure/rqt_reconfigure)
    rqt_robot_monitor (rqt_robot_monitor/rqt_robot_monitor)
    servo_sim_node (pid/plant_sim)
    setpoint_node (pid/setpoint_node)

auto-starting new master
process[master]: started with pid [6383]

setting /run_id to 9736a478-b7e1-11e8-b3ca-408d5c402b0c
process[rosout-1]: started with pid [6397]
started core service [/rosout]
process[left_wheel_pid-2]: started with pid [6410]
process[servo_sim_node-3]: started with pid [6415]
process[setpoint_node-4]: started with pid [6427]
process[rqt_plot-5]: started with pid [6433]
[ INFO] [1536904017.526642359]: Starting setpoint publisher
process[rqt_reconfigure-6]: started with pid [6444]
process[rqt_robot_monitor-7]: started with pid [6447]
[ INFO] [1536904017.572441504]: Starting simulation of a second-order plant.

Kp: 5,  Ki: 0,  Kd: 0.1
LPF cutoff frequency: 20
pid node name: /left_wheel_pid
Name of topic from controller: control_effort
Name of topic from the plant: state
Name of setpoint topic: setpoint
Integral-windup limit: 10
Saturation limits: 10/-10
[rqt_robot_monitor-7] process has died [pid 6447, exit code 1, cmd /opt/ros/kinetic/lib/rqt_robot_monitor/rqt_robot_monitor __name:=rqt_robot_monitor __log:=/home/itfanr/.ros/log/9736a478-b7e1-11e8-b3ca-408d5c402b0c/rqt_robot_monitor-7.log].
log file: /home/itfanr/.ros/log/9736a478-b7e1-11e8-b3ca-408d5c402b0c/rqt_robot_monitor-7*.log
[rqt_plot-5] process has died [pid 6433, exit code 1, cmd /opt/ros/kinetic/lib/rqt_plot/rqt_plot /control_effort/data /state/data /setpoint/data __name:=rqt_plot __log:=/home/itfanr/.ros/log/9736a478-b7e1-11e8-b3ca-408d5c402b0c/rqt_plot-5.log].
log file: /home/itfanr/.ros/log/9736a478-b7e1-11e8-b3ca-408d5c402b0c/rqt_plot-5*.log
[ INFO] [1536904022.578577497]: prev_time is 0, doing nothing

Comments (4)

  1. Andrew J Zelenak repo owner

    This is hard for me to debug. It works well from my PC, both from source and from binary. My PC is ROS Kinetic, Ubuntu 16.04, 64-bit.

    Which version of ROS are you on? Source or binary? Can you give me any more hints? Did you modify anything?

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