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Bilateral teleoperation under time-varying delay using wave variables

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5 Author(s)
Satler, M. ; Perceptual Robot. Lab. (PERCRO), Sant''Anna Super. Sch. of Adv. Studies, Pisa, Italy ; Avizzano, C.A. ; Frisoli, A. ; Tripicchio, P.
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Any teleoperation system involving two distant devices is affected by communication delay due to the physical gap between the devices. Several approaches based on wave variables have already been proposed to deal with time-varying delay. However, these approaches are too conservative resulting in high degradation from the constant time delay case. In this paper, we propose a new control scheme for bilateral teleoperation under time-varying communication delay entirely developed in the wave variables domain. The proposed method minimizes the performance degradation from the constant time delay case. Experimental results show the validity of the proposed scheme.

Published in:

Intelligent Robots and Systems, 2009. IROS 2009. IEEE/RSJ International Conference on

Date of Conference:

10-15 Oct. 2009