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Technical Briefs

Applying Modified MIMO DIVSC to Synchronism and Tension Control of Dual Motor Systems

[+] Author and Article Information
Chin-Wen Chuang1

Department of Electrical Engineering, I-Shou University, No. 1, Sec. 1, Syuecheng Road, Dashu Township, Kaohsiung County 840, Taiwan, R.O.C.

Chin-Lung Chiang

Institute of Engineering Science and Technology, National Kaohsiung First University of Science and Technology, 1 University Road, Yenchao, Kaohsiung County 824, Taiwan, R.O.C.

Chih-Cheng Kao

Department of Electrical Engineering, Kao-Yuan University, 1821 Jhonghshan Road, Lujhu Township, Kaohsiung County 821, Taiwan, R.O.C.

Rong-Fong Fung

Department of Mechanical and Automation Engineering and Graduate Institute of Electro-Optical Engineering, National Kaohsiung First University of Science and Technology, 1 University Road, Yenchao, Kaohsiung County 824, Taiwan, R.O.C.

1

Corresponding author.

J. Dyn. Sys., Meas., Control 131(5), 054501 (Aug 17, 2009) (7 pages) doi:10.1115/1.2977467 History: Received July 28, 2006; Revised June 15, 2008; Published August 17, 2009

In industrial manufacturing systems, one or more client motors are often arranged to follow the velocity of the master motor. The speed difference between these motors will affect the tension of the product. Hence, the synchronized control and the tension control are the important research topics in the manufacturing process. This paper proposes a novel modified multi-input-multi-output (MIMO) discrete integral variable structure control (DIVSC) for the synchronism and tension control of dual motor systems. By the Grey model theory, the unknown model of tension control can be established on-line to be a pseudo-Grey model. Based on these pseudo-Grey models, the model-based MIMO DIVSC can proceed with the design procedures. Finally, a prototype of the dual motor system is developed for testing the performance of the proposed control scheme. Experimental results will show the robust potential and the practicability of the proposed controller.

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Copyright © 2009 by American Society of Mechanical Engineers
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Figures

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Figure 1

Sketch map of dual motor system

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Figure 2

Dual motor system

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Figure 3

Speed response of two motors while no-load existed

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Figure 4

Tension response while no-load existed

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Figure 5

Speed response of two motors while load (1kg) is added at 1.5s

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Figure 6

Tension response while load (1kg) is added at 1.5s

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