Input compliance variation of a particular one DOF compliant mechanism caused by fitting in Piezo stack actuator

Tien Fu Lu, Wei Gao

研究成果: Conference contribution

抄録

Piezo stack actuators have been widely adopted for the actuation of flexure hinge based micro-motion compliant mechanisms (or sometimes named stages). When fitting a Piezo stack actuators into a compliant mechanism, normally no adhesive is applied but tightly fitted by pushing it into the slot (desired position). As the slot is normally designed to be slightly smaller than the Piezo stack actuator or a tightening mechanism could be used instead, by fitting the Piezo stack actuator into position, the compliant mechanism is therefore slightly deformed and pre-load is resulted on the Piezo stack actuator. This paper presents the original investigation about the level of changes of compliant mechanism stiffness caused by tightly fitting Piezo stack actuator into the mechanism. Finite Element Analysis simulations were conducted on a particular one DOF flexure hinge based Compliant Mechanism and the results demonstrate the stiffness of a compliant mechanism would certainly be changed and the extend of change is dependent on how the Piezo stack actuator is fitted into the mechanism.

本文言語English
ホスト出版物のタイトル2010 IEEE International Conference on Mechatronics and Automation, ICMA 2010
ページ1908-1912
ページ数5
DOI
出版ステータスPublished - 2010 11 29
イベント2010 IEEE International Conference on Mechatronics and Automation, ICMA 2010 - Xi'an, China
継続期間: 2010 8 42010 8 7

出版物シリーズ

名前2010 IEEE International Conference on Mechatronics and Automation, ICMA 2010

Other

Other2010 IEEE International Conference on Mechatronics and Automation, ICMA 2010
CountryChina
CityXi'an
Period10/8/410/8/7

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Electrical and Electronic Engineering
  • Mechanical Engineering

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