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Proceedings Paper

Position control of a cylinder system using ER valve actuators
Author(s): Seung-Bok Choi; D. W. Park; Moo Sang Cho; ChaeCheon Cheong
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Paper Abstract

This paper presents position control of cylinder system using electro-rheological (ER) valve actuators. Following the identification of field-dependent Bingham characteristics of an ER fluid, a single d.o.f. (degree of freedom) double-rod cylinder system is constructed by adopting bridge-circuit-controlled ER valve actuators. The governing equation of the motion is derived following by the design of a neural network feedback controller. The controller is then experimentally realized to achieve the position tracking control of the system. The single d.o.f. cylinder is extended to a 3 d.o.f. to provide more practical feasibility. The dynamic model of the 3 d.o.f. closed-loop cylinder system is established and a sliding mode controller is formulated by taking into account for parameter uncertainties. The controller is then implemented and position tracking control responses are presented.

Paper Details

Date Published: 9 June 1999
PDF: 8 pages
Proc. SPIE 3668, Smart Structures and Materials 1999: Smart Structures and Integrated Systems, (9 June 1999); doi: 10.1117/12.350726
Show Author Affiliations
Seung-Bok Choi, Inha Univ. (South Korea)
D. W. Park, Inha Univ. (South Korea)
Moo Sang Cho, Inha Univ. (South Korea)
ChaeCheon Cheong, Inha Univ. (South Korea)

Published in SPIE Proceedings Vol. 3668:
Smart Structures and Materials 1999: Smart Structures and Integrated Systems
Norman M. Wereley, Editor(s)

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