A Study on the Electrical Contact Reliability of Brush-Slip Ring with Improved Running-in Process

被引：0
|
作者：
Qian, Jiayi [1 ]
Zhang, Hansheng [1 ]
Liang, Bin [1 ]
Zhou, Yilin [1 ]
机构：
[1] Beijing Univ Posts & Telecommun, Sch Artificial Intelligence, Beijing 100876, Peoples R China
来源：
PROCEEDINGS OF 2023 INTERNATIONAL CONFERENCE ON WIRELESS POWER TRANSFER, VOL 4, ICWPT 2023 | 2024年 / 1161卷
关键词：
Brush-slip ring; contact resistance; running-in process; particle filter; life prediction;
D O I：
10.1007/978-981-97-0869-7_16
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
The brush-slip ring in radar systems plays a role in transmitting signals and power, and its sliding electrical contact performance greatly affects the reliability of the system. In order to increase the actual contact area of the brush-slip ring interface, a process of extending the running-in time was adopted. However, due to the wear of the brush, amount of debris formed an oxide film, resulting in an increase in the sliding contact resistance of the brush-slip ring, which caused contact welding and even ablation during use. In this paper, an improved running-in process for the brush-slip ring is proposed. By simulating the sliding of the brush-slip ring in actual use, the electrical contact performance and the wear degree of the brush-slip ring is studied after the improved running-in process. Taking the degradation model of sliding contact resistance as a state space equation, the particle filter method is used to predict the trend of the contact resistance and the remaining life of brush-slip ring in actual use after two kinds of running-in processes respectively, and the effectiveness of the new running-in process is verified.
引用
收藏
页码：156 / 163
页数：8
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