Control of multi modal structural vibration using digital self-powered device

Shigeru Shimose, Kanjuro Makihara, Junjiro Onoda, Shinsuke Takeuchi

研究成果: Conference contribution

抄録

This paper demonstrates various investigations of our innovative vibration suppression method, called "Digital Self-Powered". The vibration is inhibited by properly switching the status of an electric circuit made up of an inductor and a selective switch connected to a piezoelectric transducer, the control logic calculation and the switching is performed by a digital microprocessor that is driven by electrical energy converted from mechanical vibration energy. Therefore, this vibration suppression system runs without any power supply. This feature of "self-powered" makes this method advantageous in various applications. It is known that some analog techniques can also control the status of an electric circuit adequately and suppress monotone vibrations nicely. However, these analog techniques suppress multimode vibration less-effectively. To realize an ideal vibration suppression system that is both self-powered and effective in suppressing multimode vibration, sophisticated control logic is installed in the digital microprocessor that is driven by the energy converted from vibration energy. In this paper, we describe the detail of our self-powered systems, and experimental results of multimodal vibration suppression using self-powered systems. Moreover, experimental results were highlighted in light of its high damping performance and adaptability in various vibrational conditions.

本文言語English
ホスト出版物のタイトル62nd International Astronautical Congress 2011, IAC 2011
ページ5767-5774
ページ数8
出版ステータスPublished - 2011 12 1
イベント62nd International Astronautical Congress 2011, IAC 2011 - Cape Town, South Africa
継続期間: 2011 10 32011 10 7

出版物シリーズ

名前62nd International Astronautical Congress 2011, IAC 2011
7

Other

Other62nd International Astronautical Congress 2011, IAC 2011
国/地域South Africa
CityCape Town
Period11/10/311/10/7

ASJC Scopus subject areas

  • 航空宇宙工学

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