Multirate sampling method for acceleration control system

Mariko Mizuochi, Toshiaki Tsuji, Kouhei Ohnishi

研究成果: Article査読

67 被引用数 (Scopus)

抄録

This paper focuses on the realization of high-performance motion control based on acceleration control. A disturbance observer is used to construct an acceleration control system. A high sampling frequency is known to be effective for improving the performance. Characteristics of acceleration control are investigated to discuss the relationship between the performance and a sampling frequency of the system. The needs for a high sampling frequency for an output are then described. Based on these considerations, a novel multirate sampling method for the acceleration control system is proposed. An output sampling period is set shorter than an input sampling period, and control calculation is executed at each output sampling period in the method. The disturbance observer is redesigned for application to the multirate system. Stability analysis is performed to verify the validity of the proposal. Feasibility of the proposed method and its influence on the performance are also verified by experimental results.

本文言語English
ページ(範囲)1462-1471
ページ数10
ジャーナルIEEE Transactions on Industrial Electronics
54
3
DOI
出版ステータスPublished - 2007 6月
外部発表はい

ASJC Scopus subject areas

  • 制御およびシステム工学
  • 電子工学および電気工学

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