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壓電陶瓷驅(qū)動器杠桿式柔性鉸鏈機構(gòu)放大率計算方法
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國家自然科學(xué)基金資助項目（11102071）;嘉興學(xué)院校級重點科研資助項目(70110X06BL)


Calculation Method of Magnification Ratio for Lever-type Flexure Hinge Mechanism Driven by Piezoactuator
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    摘要:

    在精密微位移領(lǐng)域,，杠桿式柔性鉸鏈機構(gòu)常被用來放大壓電陶瓷驅(qū)動器產(chǎn)生的微小位移,。在考慮柔性鉸鏈轉(zhuǎn)動中心偏移量的基礎(chǔ)上,，推導(dǎo)出杠桿式柔性鉸鏈機構(gòu)放大率計算公式,，并采用有限元分析和實驗測試進行驗證,。通過公式計算,、有限元仿真分析和實驗測試得到的放大率分別為8.31,、8.38和8.20,，有限元仿真值和公式計算值之間的誤差為1％,，實驗測試值和公式計算值之間的誤差為1.3％,，證明了計算公式的正確性。

    Abstract:

    Lever-type flexure hinge mechanism was usually used to amplify the tiny displacement produced by piezoactuator in the field of precision micro-displacement. The calculation formula of the magnification ratio for lever-type flexure hinge mechanism was deduced by considering the deviation of the rotation center of flexure hinge and it was verified by using the finite element analysis and experiment. The magnification ratios, which were obtained from the formula calculation, the FEM simulation analysis and experimental test, were 8.31, 8.38 and 8.20, respectively. The error between the FEM simulation value and the calculation value was 1% and the error between the FEM simulation value and the calculation value was 1.3%. Therefore, the correctness of the calculation formula was proved.

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沈劍英,張海軍,趙云.壓電陶瓷驅(qū)動器杠桿式柔性鉸鏈機構(gòu)放大率計算方法[J].農(nóng)業(yè)機械學(xué)報,2013,44(9):267-271. Shen Jianying, Zhang Haijun, Zhao Yun. Calculation Method of Magnification Ratio for Lever-type Flexure Hinge Mechanism Driven by Piezoactuator[J]. Transactions of the Chinese Society for Agricultural Machinery,2013,44(9):267-271.

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  • 在線發(fā)布日期: 2013-09-11
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