Amplitude Control for Linear Resonance Actuator Using Sensorless Load Estimation Method

• Mototsuji Tomoaki

  Osaka University

• Kato Masayuki

  Ibaraki University

• Heya Akira

  Osaka University

• Hirata Katsuhiro

  Osaka University

Bibliographic Information

Other Title

• 強制振動時のエネルギー保存則に基づくセンサレス負荷推定によるリニア共振アクチュエータの振幅制御
• キョウセイ シンドウジ ノ エネルギー ホゾンソク ニ モトズク センサレス フカ スイテイ ニ ヨル リニア キョウシン アクチュエータ ノ シンプク セイギョ

Abstract

Linear resonance actuators (LRAs) have high efficiency and are small in size, and they are expected to be applied to industrial applications. The amplitude of an LRA changes with an external load therefore, the compensation for load is essential. We have proposed an amplitude control method by using a back-EMF. However, it has two problems: the low responsiveness in the transient state and the amplitude variation in the steady state. To address these problems, we proposed our method with a sensorless load estimation method based on energy conservation law. This study clarifies that the method can improve the responsiveness and amplitude variation.

Journal

• IEEJ Transactions on Industry Applications

  IEEJ Transactions on Industry Applications 140 (7), 534-541, 2020-07-01

  The Institute of Electrical Engineers of Japan

Keywords

• linear resonance actuator
• sensorless drive
• load estimation
• amplitude control
• disturbance compensation

Details

• CRID: 1390285300171550080
• NII Article ID: 130007867900
• NII Book ID: AN10012320
• DOI: 10.1541/ieejias.140.534
• ISSN: 13488163
• ISSN: 09136339
• NDL BIB ID: 030546072
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I030546072
• Web Site: https://www.jstage.jst.go.jp/article/ieejias/140/7/140_534/_pdf
• Text Lang: ja
• Data Source:
  • JaLC
  • NDL
  • Crossref
  • CiNii Articles
  • KAKEN
• Abstract License Flag: Disallowed