git_ws/MPC/launch/gazebo.launch

<launch>
	<!-- <arg name="model" />
	<arg name="gui" default="False" />
	<param name="robot_description" textfile="$(find MPC)/urdf/diff_model.urdf" />
	<param name="use_gui" value="$(arg gui)"/>
	<node name="joint_state_publisher" pkg="joint_state_publisher" type="joint_state_publisher" ></node>
	<node name="robot_state_publisher" pkg="robot_state_publisher" type="state_publisher" />
	<node name="rviz" pkg="rviz" type="rviz" args="-d $(find urdf_tutorial)/urdf.rviz" /> -->

    <!-- push table_description to factory and spawn robot in gazebo -->
  <node name="spawn_vehicle" pkg="gazebo" type="spawn_model" args="
  -urdf -file $(find MPC)/urdf/diff_model.urdf -z 1 -model table_model" 
  respawn="false" output="screen" />
</launch>