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Digital Receding Time Horizon LQ Optimal Contour Control System  

Sim, Young-Bok (숭실대학교 대학원)
Lee, Gun-Bok (숭실대 기계공학부)
Publication Information
Transactions of the Korean Society of Machine Tool Engineers / v.15, no.6, 2006 , pp. 105-113 More about this Journal
Abstract
This work is concerned with the development of digital contouring controller for multi-axial servosystems. Digital optimal contouring controller is proposed to coordinate each of the controllers of multiple feed drives and specifically improve the contouring performance. The optimal control formation includes the contour error explicitly in the performance index to be minimized. The contouring control is exercised for straight line and circular contours. Substantial improvement in contouring performance is obtained for a range of contouring conditions. Both steady state and transient error measures have been considered. The simulation study presented has established the potential of the proposed controller to improve contouring performance.
Keywords
Digital contouring control; Multi-axial system; Coordinated motion of each axis; Contouring Performance;
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