Discrete Sliding Mode Control for a VCM Positioning System

Kuo-Ming Chang, Huang-Sheng Kung, Yung-Tien Liu

2015

Abstract

In this paper, a discrete control system is implemented for a positioning device using a voice-coil motor (VCM). The VCM positioning system is configured with a proportional-Integrator observer (PIO) and discrete sliding mode controller (DSMC). Since the PIO could estimate system unmeasurable parameters for compensation, the implemented control system subject to uncertainty might feature high robustness. Through experimental examinations of step response for a sliding stage under dry friction and with a mass of 728 g, the position error of 7.3 µm was obtained for a step command of 3 mm. The percentage of position error is 0.25%. Compared with that obtained by using the PID controller is 0.57%, the superiority of the implemented control system is demonstrated.

Paper Citation

in Harvard Style

Chang K., Kung H. and Liu Y. (2015). Discrete Sliding Mode Control for a VCM Positioning System . In Proceedings of the 12th International Conference on Informatics in Control, Automation and Robotics - Volume 1: ICINCO, ISBN 978-989-758-122-9, pages 465-472. DOI: 10.5220/0005511204650472

in Bibtex Style

@conference{icinco15,
author={Kuo-Ming Chang and Huang-Sheng Kung and Yung-Tien Liu},
title={Discrete Sliding Mode Control for a VCM Positioning System},
booktitle={Proceedings of the 12th International Conference on Informatics in Control, Automation and Robotics - Volume 1: ICINCO,},
year={2015},
pages={465-472},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0005511204650472},
isbn={978-989-758-122-9},
}

in EndNote Style

TY - CONF
JO - Proceedings of the 12th International Conference on Informatics in Control, Automation and Robotics - Volume 1: ICINCO,
TI - Discrete Sliding Mode Control for a VCM Positioning System
SN - 978-989-758-122-9
AU - Chang K.
AU - Kung H.
AU - Liu Y.
PY - 2015
SP - 465
EP - 472
DO - 10.5220/0005511204650472