Whole-Body Tele-Operation for Mobile Manipulator Based on Linear and Angular Motion Decomposition

This paper proposed an end-effector (EE)-driven whole-body tele-operation framework based on linear and angular motion decomposition. The proposed EE-driven tele-operation method enables intuitive control of a mobile manipulator using only EE commands, unlike conventional systems where the mobile base and manipulator are controlled by separate interfaces that directly map user inputs to each component. The proposed linear and angular motion decomposition mechanism significantly reduces the computational burden compared to conventional optimization-based whole-body control algorithms. Also, EE position is evaluated relative to the manipulator’s WS, and control authority is automatically switched between the manipulator and mobile base to ensure feasible motion. A blending-based transition strategy is introduced to prevent discontinuous switching and chattering near WS boundaries. Simulation results confirm that the method accurately reproduces tele-operation commands while maintaining stable whole-body coordination, demonstrating smooth transitions between control authorities and effective WS regulation. Simulation results confirm that the method accurately reproduces tele-operation commands while maintaining stable whole-body coordination, verifying the feasibility of the proposed approach. Future work will focus on experimental validation using a physical mobile manipulator.