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Author:

王民 (王民.) (Scholars:王民) | 杨全凯 (杨全凯.) | 高相胜 (高相胜.) | 杨斌 (杨斌.) | 王琛 (王琛.)

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incoPat zhihuiya

Abstract:

本发明公开了一种基于电流的滚珠丝杠副预紧力在线监测方法,滚珠丝杠副工作过程中由于滚道磨损导致其预紧力退化,预紧力退化致使滚珠丝杠副轴向刚度降低,影响滚珠丝杠副定位精度。为了方便快捷监测预紧力的退化过程,本发明通过在线监测滚珠丝杠副匀速空载工况下驱动电机的驱动电流,确定驱动电机驱动滚珠丝杠副匀速转动所需克服的滚珠丝杠副摩擦力矩,进而根据摩擦力矩与预紧力的关系计算滚珠丝杠副预紧力。该监测方法可以在不影响滚珠丝杠副正常工作条件的情况下,通过定期监测获得的匀速空载状态下的电机电流信号,准确便捷地评估滚珠丝杠副的磨损和预紧状态,预测预紧力退化趋势。

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Patent Info :

Type: 发明授权

Patent No.: CN201811490353.9

Filing Date: 2018-12-06

Publication Date: 2021-03-16

Pub. No.: CN109556778B

Applicants: 北京工业大学

Legal Status: 授权

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 3

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