In this paper, a tracking control of hydroforming pressure which is used for precision forming of sheet metals, is considered. In this process, forming pressure of the process needs to be strictly controlled to ensure high quality of the forming products. However, conventional control method alone makes it difficult to achieve satisfactory control performance due to complexities and uncertainties of the process. To overcome this problem, a fuzzy self-learning control scheme is proposed. In the proposed scheme, a series of experiments were performed to show the effectiveness of the proposed control scheme and to investigate influence of the design parameters of the proposed algorithm. The experimental results show that the proposed fuzzy self-learning controller can guarantee good tracking performance and thus, high quality of products even when knowledge of the process is vague, imprecise and fragmentary.
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August 1995
This article was originally published in
Journal of Engineering for Industry
Technical Papers
A Fuzzy Self-Learning Control Method with Application to Hydroforming Processes Available to Purchase
H. J. Park,
H. J. Park
Department of Precision Engineering and Mechatronics, Korea Advanced Institute of Science and Technology, 373-1 Kusong-dong Yussong-gu, Taejon, 375-701, Korea
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H. S. Cho
H. S. Cho
Department of Precision Engineering and Mechatronics, Korea Advanced Institute of Science and Technology, 373-1 Kusong-dong Yussong-gu, Taejon, 375-701, Korea
Search for other works by this author on:
H. J. Park
Department of Precision Engineering and Mechatronics, Korea Advanced Institute of Science and Technology, 373-1 Kusong-dong Yussong-gu, Taejon, 375-701, Korea
H. S. Cho
Department of Precision Engineering and Mechatronics, Korea Advanced Institute of Science and Technology, 373-1 Kusong-dong Yussong-gu, Taejon, 375-701, Korea
J. Eng. Ind. Aug 1995, 117(3): 297-303
Published Online: August 1, 1995
Article history
Received:
August 1, 1992
Revised:
September 1, 1993
Online:
January 17, 2008
Citation
Park, H. J., and Cho, H. S. (August 1, 1995). "A Fuzzy Self-Learning Control Method with Application to Hydroforming Processes." ASME. J. Eng. Ind. August 1995; 117(3): 297–303. https://doi.org/10.1115/1.2804334
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