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2011-06-21
In a bilateral teleoperation system, conditions involving open-loop model parameters and controller parameters for ensuring teleoperator passivity are useful as control design guidelines to attain maximum teleoperation transparency (due to passivity/transparency tradeoffs). By teleoperator, we...
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2013-01-01
Matthew Dyck, Ali Jazayeri, Mahdi Tavakoli
Conventional approaches for stability analysis of bilateral teleoperation systems assume that the human operator does not inject energy into the system and behaves in a passive manner. Does this assumption hold for various tasks the human operator may execute in a teleoperation context? To answer...
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Revisiting Llewellyn's Absolute Stability Criterion for Bilateral Teleoperation Systems under Non-passive Operator or Environment
Download2012-10-07
Stability of a haptic teleoperation system is influenced by the typically uncertain, time-varying and/or unknown dynamics of the operator and the environment. For a stability analysis that is independent of the operator and the environment dynamics, Llewellyn's absolute stability criterion...
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Stability Analysis of Teleoperation Systems under Strictly Passive and Non-passive Operator
Download2013-04-14
Ali Jazayeri, Matthew Dyck, Mahdi Tavakoli
A bilateral teleoperation system includes a human operator and an environment, which make the system stability analysis complicated due to their unknown, time-varying and nonlinear nature. Unable to have exact models for the human operator and the environment, it is typically assumed that they...