Active vibration suppression of membrane structures and evaluation with a non-contact laser excitation vibration test

Yuelin Zhang, Toshiki Hiruta, Itsuro Kajiwara, Naoki Hosoya

研究成果: ジャーナルへの寄稿Article

  • 6 引用

抄録

To realize a vibration suppression of flexible structures like a membrane, our research focuses on introducing smart structures technology into the membrane structure. In this study, the membrane structure is composed of a vibration control system using a flexible Polyvinylidene fluoride (PVDF) film as an actuator. A non-contact vibration test system, which uses a high power Nd: YAG pulse laser for producing an ideal impulse excitation and laser Doppler vibrometers for measuring the response on the membrane, is employed to evaluate the vibration characteristics of the smart membrane structure. To confirm the effectiveness of the proposed method, using a flexible PVDF actuator installed on the membrane structure, control experiments with H control for reducing single mode and multiple modes vibration are conducted. In the results of the control experiments for single mode vibration suppression, a corresponding resonance peak is reduced by around 20 dB. In case of multiple modes vibration suppression, the first and second resonance peaks are reduced by 14 dB and 24 dB, respectively. This study demonstrates that the present control method using a flexible piezoelectric element and a non-contact vibration test system effectively suppress and evaluate the vibration responses of smart membrane structures.

言語English
ページ1681-1692
Number of pages12
ジャーナルJVC/Journal of Vibration and Control
Volume23
10
DOIs
StatePublished - 2017 6 1

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Membrane structures
Laser excitation
Vibrations (mechanical)
Actuators
Membranes
Intelligent structures
Flexible structures
Vibration control
Laser pulses
Experiments
Control systems
Lasers

Keywords

    ASJC Scopus subject areas

    • Materials Science(all)
    • Automotive Engineering
    • Aerospace Engineering
    • Mechanics of Materials
    • Mechanical Engineering

    これを引用

    Active vibration suppression of membrane structures and evaluation with a non-contact laser excitation vibration test. / Zhang, Yuelin; Hiruta, Toshiki; Kajiwara, Itsuro; Hosoya, Naoki.

    :: JVC/Journal of Vibration and Control, 巻 23, 番号 10, 01.06.2017, p. 1681-1692.

    研究成果: ジャーナルへの寄稿Article

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