Study on Relay Contact Bounce Based on the Adaptive Weight Rotation Template Matching Algorithm

被引:0
|
作者
Zhao, Wenze [1 ]
Yan, Jiaxing [1 ]
Wang, Xin [2 ]
Li, Wenhua [1 ]
Yang, Xinglin [1 ]
Wang, Weiming [1 ]
机构
[1] Hebei Univ Technol, State Key Lab Reliabil & Intelligence Elect Equipm, Tianjin 300401, Peoples R China
[2] Shenyang Railway Signal Co Ltd, Shenyang 110025, Peoples R China
来源
APPLIED SCIENCES-BASEL | 2024年 / 14卷 / 06期
关键词
relay; contact bounce; adaptive weight; rotational template matching; image processing;
D O I
10.3390/app14062341
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
In order to analyze the relay action process from an imaging perspective and further investigate the bounce phenomenon of relay contacts during the contact process, this paper utilizes a high-speed shooting platform to capture images of relay action. In light of the situation where the stationary contact in the image is inclined and continuously changing, a rotation template matching algorithm based on adaptive weight is proposed. The algorithm identifies and obtains the inclination angle of the stationary contact, enabling the study of the relay contact bounce process. By extracting contact bounce distance data from the images, a bounce process curve is plotted. Combined with the analysis of the contact bounce process, the reasons for the bounce are explored. The results indicate that the proposed rotation template matching algorithm can accurately identify stationary contacts and their angles at different angles. By analyzing the contact status and bounce process of the relay contacts in conjunction with the relay structure, parameters such as the bounce time, bounce height, and time required to reach the maximum distance can be calculated. Additionally, the main reason for contact bounce in the relay studied in this paper is the limitation imposed on the continued movement of the stationary contact by the presence of the relay brackets when the kinetic energy of the contact is too high. This phenomenon occurs during the first vibration peak in the vibration process after the moving contact contacts the stationary contact. The research results provide a reference for further studying the relay contact bounce process, optimizing relay structure, and suppressing contact bounce.
引用
收藏
页数:18
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