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Control scheme for stable bilateral teleoperation with time delay.

Author(s)
Muhammad Usman Keerio Department of Electrical Engineering, Quaid-e-Awam University College of Engineering, Science & Technology (QUEST), Nawabshah, Sindh, Pakistan
Lei Zhang Beijing Institute of Technology, Beijing, China
Yuepin Lu Beijing Institute of Technology, Beijing, China
Jiapeng Yang Beijing Institute of Technology, Beijing, China
Abstract
In teleoperation system, the tracking ability is reduced due to the existence of time delay in communication channel, as communication delay can degrade the performance and destabilize the system. In this paper, a particular control scheme, the minimal order feedback controller has been proposed to control bilateral teleoperation, which is subjected to communication time delay. The designed controller not only guarantees fast tracking properties, but also provides a smooth approximation of possibly discontinuous reference trajectory. The goal of authors approach is to make both the master and slave manipulators stable and retaining passivity of communication channel, so that stability of overall telerobotic system with any communication delay can be ensured. The method stated in the paper is helpful in practical application in the design of bilateral teleoperation with communication delay. Simulation results show the validity of the proposed control scheme with one DOF master / slave system.
Publication Details
Page(s) 3-8
DOI DOI not available
Published Journal: New Horizons: Journal of the Institution of Electrical & Electronics Engineers Pakistan, Volume: 63, Issue: 1, Year: 2009

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