In the previous studies, Central oscillation, asymmetry of left and right movement and insufficient precise and speed of response are the main problems of electro-hydraulic servo control unit.

在以往的研究过程中，主要发现电液伺服控制单元在零位时存在振动，左右行程不对称，精度和快速性达不到使用要求的问题。

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Along with the gradual improvement of the servo control technology, the servo drive unit is gradually becoming the main force of the drive unit, servo drive unit price also gradually to reduce.

随着伺服控制技术的逐步提高，目前伺服驱动单元正逐步成为驱动单元的主力军，伺服驱动单元的价格也在逐步减低。

youdao

Along with the gradual improvement of the servo control technology, the servo drive unit is gradually becoming the main drive unit, servo drive unit price also gradually to reduce.

随着伺服控制技术的逐步提高，目前伺服驱动单元正逐步成为驱动单元的主力军，伺服驱动单元的价格也在逐步减低。

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