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2006.61: Control of free length when coiling a helical spring

2006.61: M. C. Readman, M. R. Muldoon, L. Reynolds, R. Morris, M. Bayliss, D. Wood and I. Stewart (2001) Control of free length when coiling a helical spring. IEE Proceedings-Control Theory and Applications, 148 (3). pp. 239-244. ISSN 1350-2379

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DOI: 10.1049/ip-cta:20010426

Abstract

The problem of controlling the free-length of a helical spring while it is being manufactured on an automatic coiling machine is examined. This is a disturbance rejection problem, and the feedback system is designed to reject disturbances caused by variation of the wire properties and disturbances generated by the coiler. Fixed, self-tuning and fuzzy self-tuning control are used to reduce the variance of the coiled and free length of a helical spring. Friction feedfonvard is proposed to compensate for the varying coefficients of friction of different materials.

Item Type:Article
Subjects:MSC 2000 > 93 Systems theory; control
MIMS number:2006.61
Deposited By:Dr Mark Muldoon
Deposited On:13 April 2006

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