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Shock and Vibration
Volume 2016 (2016), Article ID 4179296, 7 pages
Research Article

Composite Motion Design Procedure for Vibration Assisted Small-Hole EDM Using One Voice Coil Motor

1College of Mechanical Engineering and Applied Electronics Technology, Beijing University of Technology, Beijing 100022, China
2School of Instrument Science and Opto-Electronics, Beihang University, Beijing 100191, China

Received 23 June 2015; Revised 23 September 2015; Accepted 4 October 2015

Academic Editor: M. I. Herreros

Copyright © 2016 Jing Cui and Zhongyi Chu. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


To address the problem of debris accumulation in small-hole electrical discharge machine (EDM) and simplify the design of the spindle head, the paper proposes a novel composite motion design procedure integrated high frequency vibration and large stroke feed using one voice coil motor (VCM). Particularly, for the purposes of high servo accuracy and high frequency response of the composite motion, an improved zero-phase-error tracking controller (ZPETC) algorithm decoupled with the feedback controller is developed for the process control, in which the feedback parameter adjustment is very simple to reduce the computation complexity. At last, the proposed procedure is validated by the experimental study of the established VCM positioning table; the results verify the efficiency of the proposed method.