振动模态分析是立式电机优化设计的重要步骤。

The analysis of vibration mode is an important process during the optimizing design of vertical motor.

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最后，在力学分析的基础上对结构进行优化，为立式电机的改进和振动测试提供了参考。

At last, motor structure optimization was carried out based on analysis mechanics, which may provide valuable reference for the improvement of vertical motor design and its vibration test.

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最后，在力学分析的基础上对结构进行优化，为立式电机的改进和振动测试提供了参考。

At last, motor structure optimization was carried out based on analysis mechanics, which may provide valuable reference for the improvement of vertical motor design and its vibration test.

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