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Proceedings Paper

Tracking position control of a linear actuator on distributed control network
Author(s): Gi Sang Choi; Gi Heung Choi; Woon Kyung Kim; Jung Soo Kim
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Paper Abstract

Tracking position control of a linear magnetic actuator implemented on distributed control network was studied. In the distributed control system involving a discrete-time controller and a linear magnetic actuator, time delay happens as the controller reads the sensor data or sends out the control input to the actuator located at a remote site. In many cases the time delay is not ignorable, and has significant effect on the control system performance. In order to compensate for the adverse effect of the time delay, the modified Smith predictor was introduced to the control system. The results of simulation and experiment show that the performance of linear magnetic actuator can be improved by augmenting the modified Smith predictor onto the existing control system. With the modified Smith predictor, the position error is reduced and the constant disturbance is suppressed.

Paper Details

Date Published: 2 May 2006
PDF: 5 pages
Proc. SPIE 6042, ICMIT 2005: Control Systems and Robotics, 60422J (2 May 2006); doi: 10.1117/12.664664
Show Author Affiliations
Gi Sang Choi, Univ. of Seoul (South Korea)
Gi Heung Choi, Hansung Univ. (South Korea)
Woon Kyung Kim, Korea Univ. (South Korea)
Jung Soo Kim, Hongik Univ. (South Korea)

Published in SPIE Proceedings Vol. 6042:
ICMIT 2005: Control Systems and Robotics
Yunlong Wei; Kil To Chong; Takayuki Takahashi; Shengping Liu; Zushu Li; Zhongwei Jiang; Jin Young Choi, Editor(s)

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