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Time delayed teleoperation using wave variables on multiple degree-of-freedom systems

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3 Author(s)
M. Alise ; Dept. of Electr. & Comput. Eng., Florida State Univ., Tallahassee, FL, USA ; R. G. Roberts ; D. W. Repperger

Time delay is a serious problem for bilateral teleoperation systems. Even a small time delay in a bilateral teleoperation system will generally degrade the system's performance and cause instability. An important approach that guarantees stability for any fixed time delay is the wave variable method. In this paper we present some recent material dealing with teleoperation systems using wave variables. In particular, we describe a wave variable scheme based on a family of scaling matrices for multiple degree-of-freedom bilateral teleoperation system. We include a derivation of a larger family of scaling matrices that will guarantee the system remains stable for a fixed time delay. A multiple degree-of-freedom bilateral teleoperation system using the new wave variable method is simulated using a SIMULINK model.

Published in:

Proceedings of the Thirty-Seventh Southeastern Symposium on System Theory, 2005. SSST '05.

Date of Conference:

20-22 March 2005