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2019-02-22 06:47:39 -0600 received badge  Famous Question (source)
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2018-07-31 20:11:45 -0600 commented question gazebo velocity controller

Supplementary questions: when i run "rostopic pub-1/rrbot/wheel1_velocity_controller/command std_msgs/float64 data:1.5"

2018-07-31 20:11:18 -0600 edited question gazebo velocity controller

gazebo velocity controller I tried to simulate my car model in the gazebo, I built the front and rear wheel of the car,

2018-07-31 20:11:04 -0600 received badge  Popular Question (source)
2018-07-31 20:09:27 -0600 edited question gazebo velocity controller

gazebo velocity controller I tried to simulate my car model in the gazebo, I built the front and rear wheel of the car,

2018-07-31 19:48:40 -0600 edited question gazebo velocity controller

gazebo velocity controller I tried to simulate my car model in the gazebo, I built the front and rear wheel of the car,

2018-07-31 19:48:11 -0600 edited question gazebo velocity controller

gazebo velocity controller I tried to simulate my car model in the gazebo, I built the front and rear wheel of the car,

2018-07-31 19:47:41 -0600 edited question gazebo velocity controller

gazebo velocity controller I tried to simulate my car model in the gazebo, I built the front and rear wheel of the car,

2018-07-31 19:43:23 -0600 commented question gazebo velocity controller

gazebo 2.2.6 My car model diagram and URDF as shown in the question

2018-07-31 19:42:07 -0600 edited question gazebo velocity controller

gazebo velocity controller I tried to simulate my car model in the gazebo, I built the front and rear wheel of the car,

2018-07-31 19:40:24 -0600 commented question gazebo velocity controller

gazebo 2.2.6

2018-07-31 19:40:12 -0600 edited question gazebo velocity controller

gazebo velocity controller I tried to simulate my car model in the gazebo, I built the front and rear wheel of the car,

2018-07-31 19:39:37 -0600 received badge  Editor (source)
2018-07-31 19:39:37 -0600 edited question gazebo velocity controller

gazebo velocity controller I tried to simulate my car model in the gazebo, I built the front and rear wheel of the car,

2018-07-31 19:38:02 -0600 edited question gazebo velocity controller

gazebo velocity controller I tried to simulate my car model in the gazebo, I built the front and rear wheel of the car,

2018-07-31 04:49:15 -0600 asked a question gazebo velocity controller

gazebo velocity controller I tried to simulate my car model in the gazebo, I built the front and rear wheel of the car,

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2018-07-23 00:58:24 -0600 marked best answer ERROR: cannot launch node of type [controller_manager/spawner]: can't locate node [spawner] in package [controller_manager]

why error? when i"roslaunch rrbot_control test1.launch"

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2018-07-20 20:48:21 -0600 commented answer ERROR: cannot launch node of type [controller_manager/spawner]: can't locate node [spawner] in package [controller_manager]

Usage: rosdep [options] <command> <args> Commands: rosdep check <stacks-and-packages>... check if th

2018-07-20 20:44:58 -0600 commented answer ERROR: cannot launch node of type [controller_manager/spawner]: can't locate node [spawner] in package [controller_manager]

when i "rosdep update",it works. when "cd ~/catkin_ws/src" run "rosdep install -i --from-paths"

2018-07-20 20:38:44 -0600 commented answer ERROR: cannot launch node of type [controller_manager/spawner]: can't locate node [spawner] in package [controller_manager]

use the "indigo version" ros

2018-07-20 20:37:19 -0600 commented answer ERROR: cannot launch node of type [controller_manager/spawner]: can't locate node [spawner] in package [controller_manager]

is the path right?when i run "sudo rosdep init",ERROR: default sources list file already exists: /etc/ros/rosdep/sou

2018-07-20 20:34:48 -0600 commented answer ERROR: cannot launch node of type [controller_manager/spawner]: can't locate node [spawner] in package [controller_manager]

My "test1.launch" file is under the "rrnot_control" folder. my "rrbot_control" is under the "my_gazebo" folder.when i "c

2018-07-20 20:21:08 -0600 commented answer ERROR: cannot launch node of type [controller_manager/spawner]: can't locate node [spawner] in package [controller_manager]

when i "sudo apt install ros-kinetic-controller-manager",it is already installed,i do not know if i understand "you've c

2018-07-20 20:20:42 -0600 commented answer ERROR: cannot launch node of type [controller_manager/spawner]: can't locate node [spawner] in package [controller_manager]

when i "sudo apt install ros-kinetic-controller-manager",it is already installed,i do not know if i understand "you've c

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2018-07-20 07:15:57 -0600 asked a question ERROR: cannot launch node of type [controller_manager/spawner]: can't locate node [spawner] in package [controller_manager]

ERROR: cannot launch node of type [controller_manager/spawner]: can't locate node [spawner] in package [controller_manag