Jiang Wenman

Harbin University of Science and Technology

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Dezhong Ma

Harbin University of Science and Technology

Guoliang Feng

Hebei University of Science and Technology

Chenming Liu

Zhejiang University

Mohammadreza Chen

Nanjing Institute of Railway Technology

Ping Zhou

Nanjing Institute of Railway Technology

Luqman Muhhamad

University of Sargodha

Zhihao Zhao

Northwestern Polytechnical University

Zhang Huayun

State Grid Corporation of China (China)

Xiaoyun Zhang

Guangxi University of Chinese Medicine

Yaseen Muhhamad

University of Sargodha

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Nanjing Institute of Railway Technology

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New Technology (Israel)

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Chinese Academy of Sciences

Zhejiang University

University of Chinese Academy of Sciences

State Grid Corporation of China (China)

Central South University

Chinese Academy of Medical Sciences & Peking Union Medical College

Ministry of Agriculture and Rural Affairs

Shandong University

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2018 IEEE International Conference of Safety Produce Informatization (IICSPI) (2018)

Yuhui Zhang Shiyu Li Zhang Lijing Gang Tao Hanjun Guo

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10.1109/iicspi.2018.8690486

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Life Prediction of Electromagnetic Relay Based on Bayesian Method

2018 IEEE International Conference of Safety Produce Informatization (IICSPI) (2018)

Jiang Wenman Zhen Zhou Jia Qi Dezhong Ma

So far, there is a question about the existing study of electromagnetic relay's life prediction :they mainly focused on the research of batch products as a whole, which cannot reflect individual differences. This paper proposes one kind of way about the the life prediction of electromagnetic relay based on Bayesian method. Firstly, a prior distribution of the model parameters is determined on the basis of the determined degradation model. Then, the degradation data (contact resistance) based on the prior distribution is fused, and the parameters of the degenerate trajectory model are updated to obtain the reliability function. Finally, we can predict the lifetime of a single electromagnetic relay. The results show that the lifetime prediction of a single electromagnetic relay is realized by the Bayesian method, in which the No.10 electromagnetic relay predicts the life of the electromagnetic relay to be 1.28×105 times and the relative error is 0.06 for the test lifetime value is 1.21×105 times under the condition of a reliability of 90%. The feasibility of predicting the lifetime of a single electromagnetic relay using fusion degradation data is verified.

10.1109/iicspi.2018.8690452

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