NDLI: Experimental implementation of Taylor series expansion error compensation on a bi-axial CNC machine

Content Provider	Springer Nature Link
Author	Xi, Xue Cheng Poo, Aun Neow Hong, Geok Soon Huo, Feng
Copyright Year	2010
Abstract	In this paper, a new model-based Taylor series expansion error compensation (TSEEC) strategy is proposed to improve the contouring accuracy for computer numerically controlled (CNC) machines. In TSEEC, the contour error compensation problem is formulated as a Taylor series expansion problem, in which the value of the contour error is expanded around the reference points and the compensation components are calculated as the deviations from the reference points. Simulations show that, with perfect knowledge of the axial dynamics, zero contour errors can be achieved with TSEEC for both linear and circular contours. Due to modeling errors, external disturbances, and measurement noise, some modifications and experimentation need to be made to determine suitable parameters for implementation of the TSEEC scheme on a real machine. These measurements include a low-pass filter, a choice of a compensation target, and a compensation gain. Experimental results show the effectiveness of TSEEC in reducing contour errors and demonstrate the superiority of TSEEC over inverse feedforward compensation and cross-coupled control in improving the contouring accuracy.
Starting Page	285
Ending Page	299
Page Count	15
File Format	PDF
ISSN	02683768
Journal	The International Journal of Advanced Manufacturing Technology
Volume Number	53
Issue Number	1-4
e-ISSN	14333015
Language	English
Publisher	Springer-Verlag
Publisher Date	2010-07-31
Publisher Place	London
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	CNC Contour error Contouring accuracy Error compensation Taylor series expansion Industrial and Production Engineering Computer-Aided Engineering (CAD, CAE) and Design Mechanical Engineering Production/Logistics
Content Type	Text
Resource Type	Article
Subject	Industrial and Manufacturing Engineering Control and Systems Engineering Mechanical Engineering Computer Science Applications Software

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