A safety fault diagnosis method on industrial intelligent control equipment

Hanrui Zhang, Qianmu Li, Shunmei Meng, Zhuoran Xu, Chaoxian Lv, Cangqi Zhou

Abstract: With the increasing complexity and cost of industrial control systems and the rapid development of information technology, the tolerance of industrial control equipment to performance degradation, productivity decline, and hidden safety hazards is getting lower and lower. Immediate detection of failures of industrial control equipment is of great significance for the safety of industrial control systems and reducing maintenance costs. Faced with these challenges, the traditional fault diagnosis technology based on expert knowledge has been insufficient to meet the requirements of accuracy and real-time fault diagnosis of industrial control systems due to its high cost and low efficiency. Aiming at the problem that the fault diagnosis method in the current industrial control environment is not systematic, this paper proposes a Safety Fault diagnosis system for industrial intelligent control equipment based on DevOps concept and deep CNN. Based on the in-depth analysis of the principles of CNN, this paper improves the model's robustness from the perspective of data set enhancement, fault diagnosis performance, and noise immunity analysis. Finally, it is proved through experiments that the fault diagnosis model can effectively deal with the lack of fault samples by adopting the fault data set enhancement method based on periodic overlapping sampling. Our fault diagnosis system based on DevOps and CNN proposed in this paper has high scalability and can accurately predict fault input.