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Electromechanical comparison of cantilevered beams with multifunctional piezoceramic devices

机译：悬臂梁与多功能压电陶瓷装置的机电比较

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摘要

This paper presents an electromechanical comparison of the transduction capabilities of a clamped-free Macro-Fiber Composite (MFC) actuated unimorph to other unimorphs employing monolithic piezoceramic devices. Four cantilevered unimorph beams, employing PSI PZT-5A, PSI PZT-5H, MIDE QP10N and MFC 8528-P1 type devices, are analyzed in the comparison. The unimorphs are evaluated for their actuation performance via tip displace ment induced with harmonic voltage excitation, energy harvesting via electrical power output on a resistive shunt induced by harmonic base acceleration and linear feedback control effectiveness with the application of a Positive Position Feedback controller. The constitutive nonlinearities arising from large strain and electric field amplitudes are identified and briefly discussed. The MFC 8528-P1 type unimorph showed the highest mass-normalized actuation authorityand the lowest energy harvesting capability.
机译：本文介绍了机电一体化的无夹持宏纤维复合材料（MFC）驱动的单压电晶片与其他采用单片压电陶瓷器件的单压电晶片的换能能力。在比较中分析了使用PSI PZT-5A，PSI PZT-5H，MIDE QP10N和MFC 8528-P1型设备的四个悬臂单晶光束。通过使用谐波电压激励引起的尖端位移来评估单压电晶片的致动性能，通过应用正位置反馈控制器，通过谐波基加速度和线性反馈控制效果，通过电阻分流器上的电阻分流器上的电力输出来收集能量。识别并简要讨论了由大应变和电场振幅引起的本构非线性。 MFC 8528-P1型单压电晶片显示出最高的质量标准化驱动权限和最低的能量收集能力。

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  • 来源
    《Mechanical systems and signal processing》 |2012年第2期|p.763-777|共15页
  • 作者

    Onur Bilgen; Ya Wang; Daniel J. Inman;

  • 作者单位

    Center for Intelligent Material Systems and Structures, Department of Mechanical Engineering, Virginia Tech, Blacksburg, VA 24061, USA;

    rnCenter for Intelligent Material Systems and Structures, Department of Mechanical Engineering, Virginia Tech, Blacksburg, VA 24061, USA;

    rnCenter for Intelligent Material Systems and Structures, Department of Mechanical Engineering, Virginia Tech, Blacksburg, VA 24061, USA;

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  • 正文语种 eng
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  • 关键词

    unimorph; piezoceramic; beam; actuator; energy harvester; feedback control;

    机译：单晶压电陶瓷光束;执行器能量收集器;反馈控制;

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