NDLI: Modeling and robust adaptive control of metal cutting mechanical systems

Content Provider	IEEE Xplore Digital Library
Author	Jingchuan Pan Chun-Yi Su Stepanenko, Y.
Copyright Year	2001
Description	Author affiliation: Dept. of Mech. Eng., Concordia Univ., Montreal, Que., Canada (Jingchuan Pan)
Abstract	In turning metal cutting, the occurrence of self-excited vibration, so called chatter, is undesirable as it gives rise to production problems, causing detrimental effects on the machined surface finish and decreasing the machining efficiency. Rather than using the commonly accepted linear Merchant model, the relationship of cutting force variation and chip thickness variation is treated as a hysteresis model, which has been proved to be able to explain the nonlinearity of the turning metal cutting process in a way that is much more accurate. In this case, the turning cutting systems can be described as a class of uncertain systems with hysteresis and time delay. A robust adaptive control scheme for the suppression of chatter occurrence due to the existence of hysteresis and time delay in metal cutting is proposed and the novelty is that the hysteresis model is first incorporated into the controller design for a metal cutting system. Simulation results show significant reduction of chatter by the proposed adaptive controller.
Sponsorship	American Autom. Control Council
Starting Page	1268
Ending Page	1273
File Size	522489
Page Count	6
File Format	PDF
ISBN	0780364953
ISSN	07431619
DOI	10.1109/ACC.2001.945897
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2001-06-25
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	American Automatic Control Council(AACC)
Subject Keyword	Robust control Adaptive control Hysteresis Turning Delay effects Vibrations Production Surface finishing Surface treatment Machining
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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