采用模态分析法对微动平台的动态特性进行分析。图9给出了微动平台前两阶固

采用模态分析法对微动平台的动态特性进行分析。图9给出了微动平台前两阶固有频率模态分析结果,其转动时一阶固有频率为471.35Hz, 理论计算值为521.38Hz,第一阶振型为输出平台沿X轴的横向运动,有限元分析分析结果与理论计算的相对误差为10.61%。第二振型展示了输出平台围绕其旋转中心转动其固有频率为782.02Hz。由模态分析结果可得，该微动平台具有良好的动态特性，适用于高频率的微操作任务

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结果 (英语) 1: [复制]

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The modal analysis method is used to analyze the dynamic characteristics of the micro-motion platform. Figure 9 shows the modal analysis results of the first two natural frequencies of the micro-motion platform. The first-order natural frequency is 471.35 Hz during rotation, and the theoretical calculation value is 521.38 Hz. The first-order mode is the lateral movement of the output platform along the X axis. , The relative error between the finite element analysis and the theoretical calculation is 10.61%. The second mode shows that the output platform rotates around its center of rotation and its natural frequency is 782.02 Hz. From the results of modal analysis, the micro-motion platform has good dynamic characteristics and is suitable for high-frequency micro-manipulation tasks

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结果 (英语) 2:[复制]

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The dynamic characteristics of the micromodulation platform are analyzed by modal analysis. Figure 9 shows the results of the first two-order natural frequency modal analysis of the micro-dynamic platform, the first-order natural frequency is 471.35Hz, the theoretical calculation value is 521.38Hz, the first-order vibration type is the horizontal movement of the output platform along the X axis, and the relative error between the finite meta-analysis results and the theoretical calculation is 10.61%. The second vibration model shows that the output platform rotates around its rotating center at an inherent frequency of 782.02Hz. From the modal analysis results, the micro-dynamic platform has good dynamic characteristics and is suitable for high-frequency micro-operation tasks

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结果 (英语) 3:[复制]

复制成功！

Modal analysis method is used to analyze the dynamic characteristics of micro motion platform. Figure 9 shows the modal analysis results of the first two natural frequencies of the micro motion platform. The first natural frequency is 471.35hz when the micro motion platform rotates, and the theoretical calculation value is 521.38hz. The first vibration mode is the transverse motion of the output platform along the x-axis. The relative error between the finite element analysis results and the theoretical calculation is 10.61%. The second mode shows that the output platform rotates around its center of rotation, and its natural frequency is 782.02hz. The modal analysis results show that the micro motion platform has good dynamic characteristics and is suitable for high frequency micro operation tasks<br>

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