Bilateral parallel force/position teleoperation control

TitleBilateral parallel force/position teleoperation control
Publication TypeJournal Article
Year of Publication2002
AuthorsHashtrudi-Zaad, K., and S. E. Salcudean
JournalJournal of RobotIC Systems

The extension of parallel force/position control to teleoperation systems is considered in this article. In the proposed four-channel bilateral controller higher priority is granted to position control at the master side and to force control at the slave side. The primary goal of this control architecture is the enhancement of force and position tracking performance in the presence of uncertainties in the system and environment. The stability and performance of the proposed controller is investigated by analyzing the three decoupled single-degree-of-freedom systems obtained from decoupling and projecting the closed-loop system dynamics onto the slave task-space orthogonal directions. Experimental results demonstrate significant improvement in transparency. (C) 2002 Wiley Periodicals, Inc.


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