標題: A wavelet network control method for disk drives
作者: Chang, CM
Liu, TS
機械工程學系
Department of Mechanical Engineering
關鍵字: bender;disk drive;flying height control;PZT;repetitive error;wavelet network (WN);wavelet theory
公開日期: 1-一月-2006
摘要: This paper proposes a wavelet network control method to online learn and cancel repetitive errors in disk drives. In contrast to Fourier transforms, wavelet transforms can provide detailed local information of signals. Based on the wavelet transform, wavelets can approximate any finite energy function. This paper proposes wavelet networks to approximate periodic functions. Accordingly, a wavelet network controller is developed to eliminate repetitive error caused by repetitive disturbance. Experiments for flying height control of a disk drive system are implemented to demonstrate the present method in comparison with another method using Fourier series based network control.
URI: http://dx.doi.org/10.1109/TCST.2005.860523
http://hdl.handle.net/11536/12868
ISSN: 1063-6536
DOI: 10.1109/TCST.2005.860523
期刊: IEEE TRANSACTIONS ON CONTROL SYSTEMS TECHNOLOGY
Volume: 14
Issue: 1
起始頁: 63
結束頁: 68
顯示於類別:期刊論文


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