tf falls into pieces after spawn in Gazebo

asked 2020-03-18 10:48:47 -0600

akosodry gravatar image


i am trying to model the so-called vertical plotter (XY plotter) in Gazebo.

I did create the xacro of the system and it seems OK in RViz (two prismatic joints indicated with red arrows actuate the system; the rest of the joints are passive rotating joints):

image description

This is the tf of the system: image description

I observed that after i spawn the model in Gazebo, the tf falls into pieces: image description

What can be the problem here? I am still trying to tune the PID parameters of the two effort controllers (connected to the prismatic joints), but i suspect that this is not normal that my system (tf) falls into pieces. Can anyone give some hints?

Thank you.

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