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Guaranteed Cost Control Design for Delayed Teleoperation Systems

In English

Författare

Summary, in English

A procedure for guaranteed cost control design of delayed linear bilateral teleoperation systems with nonlinear external forces is proposed. The assumption that the external forces are nonlinear functions of velocities and/or positions of local devices, and one part of these forces satisfies a sector condition has been made. A virtual tool system is introduced to 'observe' the forces at the remote sides, the position and velocity information of the master, the slave and the virtual tool are feedbacked to the controllers, hence the proposed control scheme actually has a four-channel architecture. A delay-dependent stability criterion is formulated, and then a sub-optimal guaranteed cost controller is obtained by solving a convex optimization problem in the form of linear matrix inequalities (LMIs). The behavior of the resulting teleoperation system is illustrated in simulations. (C) 2015 The Franklin Institute. Published by Elsevier Ltd. All rights reserved.

Publiceringsår

2015

Språk

Engelska

Sidor

5085-5105

Publikation/Tidskrift/Serie

Journal of the Franklin Institute

Volym

352

Issue

11

Dokumenttyp

Artikel i tidskrift

Förlag

Elsevier

Ämne

  • Control Engineering

Status

Published

Projekt

  • LU Robotics Laboratory

ISBN/ISSN/Övrigt

  • ISSN: 0016-0032