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Author:

张丰 (张丰.) | 徐明龙 (徐明龙.) | 邵恕宝 (邵恕宝.) | 田征 (田征.)

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Abstract:

一种负刚度可调的扭转准零刚度隔振器及控制方法,该隔振器包括前后外壳、前后垫片、用于固定传动轴的旋转套筒、永磁体励磁机构,永磁体励磁机构的旋转部件与旋转套筒固连;旋转部件通过橡胶垫块与永磁体固连,永磁体产生的磁通穿过橡胶垫块、旋转部件、气隙、环形永磁体夹持机构并回到永磁体构成磁通回路,并在气隙中产生磁应力并作用到旋转部件上,使旋转部件沿气隙厚度方向构成扭转磁力弹簧;通过调节励磁线圈通电电流强度,改变气隙处的磁场强度,进而改变磁力弹簧产生的负刚度,使其接近于橡胶轴承提供的正刚度,从而使得系统刚度达到准零状态;本发明隔振器能够有效地传递驱动力矩,并隔离扰动力矩,通过主动控制方式调节系统刚度,对于低频扭转振动具有很好的隔振效果,适用于精密旋转系统。

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Patent Info :

Type: 发明授权

Patent No.: CN201811064344.3

Filing Date: 2018-09-12

Publication Date: 2020-02-11

Pub. No.: CN109027124B

Applicants: 西安交通大学

Legal Status: 授权

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ESI Highly Cited Papers on the List: 0 Unfold All

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30 Days PV: 0

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