unable to start gazebo ros controller
i am new to ros, and i was trying to control my custom made robot on gazebo
first i added the transmission tag for all the joints ,i also added the gazebo_ros_control plug-in in the urdf file
and finally configured the controllers in the config.ymal file and created the launch file to start the control_spawner and the joint_state_publisher nodes and load the joint controllers configuration
but i keep getting the following error
load_parameters: unable to set parameters (last param was [/pid/d=10.0]): cannot marshal None unless allow_none is enabled
even tho i added the PID values in for all the joints in the config file anyone knows how can i start to debug this?.. thanks in advance
all the joints are revolute with specified effort and velocity and limits i also tried to change the pid values but still got the same error with different d values
You'll probably have to show us your launch file, as it looks like the plugin is not finding your parameters.
How are you loading them?