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A Robust Adaptive Impedance Control Algorithm for Haptic Interfaces

강인적응 알고리즘을 통한 Haptic Interlace의 임피던스 제어

  • Park, Heon (Dept.of Electronics Engineering, Busan National University) ;
  • Lee, Sang-Chul (Dept.of Electronics Engineering, Busan National University) ;
  • Lee, Su-Sung (Dept.of Electronics Engineering, Busan National University) ;
  • Lee, Jang-Myung (Dept.of Electronics Engineering, Busan National University)
  • 박헌 (부산대학교 전자공학과) ;
  • 이상철 (부산대학교 전자공학과) ;
  • 이수성 (부산대학교 전자공학과) ;
  • 이장명 (부산대학교 전자공학과)
  • Published : 2002.05.01

Abstract

Teleoperation enables an operator to manipulate remote objects. One of the main goals in teleoperation researches is to provide the operator with the fueling of the telepresence, being present at the remote site. For these purposes, a master robot must be designed as a bilateral control system that can transmit position/force information to a slave robot and feedback the interaction force. A newly proposed impedance algorithm is applied for the control of a haptic interface that was developed as a master robot. With the movements of the haptic interface for position/force commands, impedance parameters are always varying. When the impedance parameters between an operator and the haptic interface and the dynamic model are known precisely, many model based control theories and methods can be used to control the device accurately. However, due to the parameters'variations and the uncertainty of the dynamic model, it is difficult to control haptic interfaces precisely. This paper presents a robust adaptive impedance control algorithm for haptic interfaces.

Keywords

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