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Title: Cross-Coupled Fuzzy Logic Control for Biaxial Servomechanisms
Authors: 國立臺灣師範大學機電工程學系
Yeh, Zong-Mu
Tarng, Y.S.
Lin, Y.S.
Issue Date: 8-Sep-1996
Publisher: Institute of Electrical and Electronics Engineers (IEEE)
Abstract: This paper presents a design and implementation case study that focuses on contour of a biaxial CNC machine tools. However, it is difficult to obtain an accurate nonlinear mathematical model of cross-coupled multi-axis machine tools. In this paper we investigate an alternative to conventional approaches where we employ cross-coupled fuzzy logic controllers for improving contouring accuracy of multi-axis CNC machine tools. A new fuzzy rule-generated method which is based on a performance index of the contour error obtained from an online estimation algorithm is proposed. Experimental results have shown that the desired contouring accuracy can be achieved, and the proposed approach outperforms over uncoupled approaches. In conventional control, increasing contour feedrate for productivity may result in larger contour errors. However, the experimental results have shown that the performance of the proposed approach is still quite good with the increasing contour feedrate.
ISBN: 0-7803-3645-3
Other Identifiers: ntnulib_tp_E0402_02_012
Appears in Collections:教師著作

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