Adaptive Compensation for Reaction Force With Frequency Variation in Shaking Table Systems

Kenta Seki; Makoto Iwasaki; Motohiro KawafukuHiromu HiraiKazuki Yasuda

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Adaptive Compensation for Reaction Force With Frequency Variation in Shaking Table Systems

机译：Adaptive Compensation for Reaction Force With Frequency Variation in Shaking Table Systems

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摘要

This paper presents an adaptive control methodology of a shaking table system for earthquake simulators. In the system, reaction forces generated by a specimen deteriorate the table motion performance, resulting in lower control accuracy in seismic tests. In particular, in cases of excitation tests for structures (power facilities, large vehicles, etc.) including motors with periodic rotation, the reaction force as a disturbance is excited with a specific frequency during their actual operations. In addition, the variation of the rotational frequency in the motor causes the variation of frequency in the disturbance. In order to compensate for the disturbance, therefore, an adaptive feedback compensator is designed to improve the disturbance suppression capability, by applying an adaptive notch filter to identify the frequency in an online manner. The proposed control approach has been verified by experiments using a prototype of a shaking table system.

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来源
《IEEE Transactions on Industrial Electronics》 |2009年第10期|3864-3871|共8页
作者
Kenta Seki; Makoto Iwasaki; Motohiro KawafukuHiromu HiraiKazuki Yasuda;
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作者单位

Project Research Laboratory on Motion Systems, Nagoya Institute of Technology, Nagoya 466-8555, Japan;

Department of Electrical and Computer Engineering, Nagoya Institute of Technology, Nagoya 466-8555, Japan;

Machinery Control Systems Department, Hitachi Plant Technologies, Ltd., Ibaraki 300-0013, Japan;

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原文格式 PDF
正文语种英语
中图分类无线电电子学、电信技术;
关键词
Adaptive compensation; adaptive notch filter; reaction force; shaking table; specific frequency;

Adaptive Compensation for Reaction Force With Frequency Variation in Shaking Table Systems

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