Blockchain-based decentralized federated transfer learning methodology for collaborative machinery fault diagnosis

Zhang Wei; Wang Ziwei; Li Xiang

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Blockchain-based decentralized federated transfer learning methodology for collaborative machinery fault diagnosis

机译：Blockchain-based decentralized federated transfer learning methodology for collaborative machinery fault diagnosis

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摘要

Due to the limitations of data quality and quantity of a single industrial user, the development of intelligent machinery fault diagnosis methods has been reaching a bottleneck in the perspectives of both academic research and engineering applications in the recent years. Collaborative fault diagnosis model development has been receiving increasing attention, where the distributed data at different users are explored simultaneously. However, data security and privacy are the major industrial concerns, which have not been well addressed in the literature. In this paper, a blockchain-based decentralized federated transfer learning method is proposed for collaborative machinery fault diagnosis. A tailored committee consensus scheme is designed for optimization of the model aggregation process, and a source data-free transfer learning method is further proposed. After global model initialization, the fault diagnosis model can be built through iterations of committee member selection, performance evaluation, transfer learning, model aggregation and blockchain updates. The experiments on two decentralized fault diagnosis datasets are implemented for validations, and higher than 90% testing accuracies can be generally achieved. The experimental results indicate the proposed method is effective in data privacy-preserving collaborative fault diagnosis of multiple users. It offers a promising tool for applications in the real industrial scenarios.

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《Reliability engineering & system safety》 |2023年第1期|1-12|共12页
作者
Zhang Wei; Wang Ziwei; Li Xiang;
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作者单位

Xi An Jiao Tong Univ;

Xi An Jiao Tong Univ||Northeastern Univ;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种英语
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关键词
Deep learning; Fault diagnosis; Federated learning; Rotating machines; Transfer learning;

Blockchain-based decentralized federated transfer learning methodology for collaborative machinery fault diagnosis

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