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基于有限元模擬的泵用壓電振子正交優(yōu)化設(shè)
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Optimum Design of the Actuator for the Piezoelectric Pump Based on Finite Element Simulation
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    摘要:

    作為壓電泵的驅(qū)動源，壓電振子的振動性能影響泵的性能。為此，對影響壓電振子振動性能的壓電振子結(jié)構(gòu)參數(shù)以及材料參數(shù)進(jìn)行優(yōu)化設(shè)計。基于有限元模擬分析方法，采用正交試驗和對分析結(jié)果進(jìn)行極差分析，得到了各影響因素分別對壓電振子中心點處振幅以及諧振頻率兩個重要指標(biāo)影響的主次順序，并得到了較好的方案。通過再設(shè)計試驗分析，最終獲得了提高壓電振子振動性能的最優(yōu)方案。

    Abstract:

    As a driver of piezoelectric pump, the vibration performance of piezoelectric actuator influences the performance of piezoelectric pump. There are a number of factors which influence the vibration performance of piezoelectric actuator. Therefore, in order to improve the vibration performance of piezoelectric actuator, it is essential to optimize the structural parameters and materials. Based on the finite element simulation analysis method, an orthogonal scheme of four factors and three levels was designed. Through the range analysis for the result, the influencing order of each influencing factor on two important indexes that are the oscillation amplitude and resonance frequency of piezoelectric actuator were acquired. Simultaneously, the superior schemes were obtained. Because the superior schemes were not in the original design schemes, additional designs were made and contrasted. Finally, the optimal scheme was obtained. 

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何秀華,張睿,鄧許連,蔣權(quán)英.基于有限元模擬的泵用壓電振子正交優(yōu)化設(shè)[J].農(nóng)業(yè)機械學(xué)報,2009,40(8):219-222. Optimum Design of the Actuator for the Piezoelectric Pump Based on Finite Element Simulation[J]. Transactions of the Chinese Society for Agricultural Machinery,2009,40(8):219-222.

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