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Design of dielectric elastomer actuators for vibration control at high frequencies

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Title: Design of dielectric elastomer actuators for vibration control at high frequencies
Authors: Kajiwara, Itsuro Browse this author →KAKEN DB
Kitabatake, Shigeki Browse this author
Hosoya, Naoki Browse this author
Maeda, Shingo Browse this author
Keywords: Dielectric elastomer actuator
Smart structure
Vibration control
Modal analysis
Modal strain energy
Issue Date: Jul-2019
Publisher: Elsevier
Journal Title: International journal of mechanical sciences
Volume: 157
Start Page: 849
End Page: 857
Publisher DOI: 10.1016/j.ijmecsci.2019.05.019
Abstract: This study evaluates the basic characteristics of smart structures composed of dielectric elastomer actuators (DEAs) to suppress vibrations. A DEA, which is a lightweight, flexible polymer that can induce high deformations, should realize next-generation actuators. Additionally, DEA can achieve vibration control of structures with complex shapes or curved surfaces. Herein the performance and efficacy of DEAs are evaluated as an actuator for vibration control at high frequencies. First, the appropriate DEA structure is considered. Second, the control system for the smart structure using the DEA is modeled and designed as an actuator. Third, a method to determine DEA's optimum arrangement and shape is discussed by focusing on the structure's strain energy. Finally, a control simulation and a control experiment validate the vibration suppression effects and the efficacy of the DEA.
Type: article
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

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