Simscape Simulation,External Force and Torque........ has its follower port rigidly connected to the world frame; it has no effect. You can configure this diagnostic in the Simscape Multibody Configuration Parameters dialog. [4 similar]

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Samuel Louise on 18 Mar 2019

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https://in.mathworks.com/matlabcentral/answers/450835-simscape-simulation-external-force-and-torque-has-its-follower-port-rigidly-connected-to-the

Commented: Shreyash Choudhari on 29 May 2022

Hi I am having issues with this simulation. I have followed Ryan Gordon And Michael Carone's example to be able to simulate my own QUadrotor. I am having this issue and I am unsure over how it can be resolved. https://www.youtube.com/watch?v=fpJZSQmqDVk&t=1206s

['Simulation_with_controller/External Force /Rotor 1'] : External Force and Torque 'Simulation_with_controller/External Force /Rotor 1/External Force and Torque' has its follower port rigidly connected to the world frame; it has no effect. You can configure this diagnostic in the Simscape Multibody Configuration Parameters dialog. [4 similar]

Component:Simulink | Category:Model warning

['Simulation_with_controller']: The following errors were found in the model Simulation_with_controller.

Caused by:

['Simulation_with_controller/External Force ']: 6-DOF Joint 'Simulation_with_controller/External Force /6-DOF Joint' has a rigid connection between its frame ports and physical signal inputs or outputs. This configuration is invalid. Resolve this issue in order to simulate the model.
['Simulation_with_controller/Ground Stop/FloorStop1']: 6-DOF Joint 'Simulation_with_controller/Ground Stop/FloorStop1/6-DOF Joint' has a rigid connection between its frame ports and physical signal inputs or outputs. This configuration is invalid. Resolve this issue in order to simulate the model.
['Simulation_with_controller/Ground Stop/FloorStop2']: 6-DOF Joint 'Simulation_with_controller/Ground Stop/FloorStop2/6-DOF Joint' has a rigid connection between its frame ports and physical signal inputs or outputs. This configuration is invalid. Resolve this issue in order to simulate the model.
['Simulation_with_controller/Ground Stop/FloorStop3']: 6-DOF Joint 'Simulation_with_controller/Ground Stop/FloorStop3/6-DOF Joint' has a rigid connection between its frame ports and physical signal inputs or outputs. This configuration is invalid. Resolve this issue in order to simulate the model.
['Simulation_with_controller/Ground Stop/FloorStop4']: 6-DOF Joint 'Simulation_with_controller/Ground Stop/FloorStop4/6-DOF Joint' has a rigid connection between its frame ports and physical signal inputs or outputs. This configuration is invalid. Resolve this issue in order to simulate the model.