A Deep Learning-Based Fault Diagnosis of Leader-Following Systems

Liu, Xiaoxu, Lu, Xin and Gao, Zhiwei (2022) A Deep Learning-Based Fault Diagnosis of Leader-Following Systems. IEEE Access, 10. pp. 18695-18706. ISSN 2169-3536

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Abstract

This paper develops a multisensor data fusion-based deep learning algorithm to locate and classify faults in a leader-following multiagent system. First, sequences of one-dimensional data collected from multiple sensors of followers are fused into a two-dimensional image. Then, the image is employed to train a convolution neural network with a batch normalisation layer. The trained network can locate and classify three typical fault types: the actuator limitation fault, the sensor failure and the communication failure. Moreover, faults can exist in both leaders and followers, and the faults in leaders can be identified through data from followers, indicating that the developed deep learning fault diagnosis is distributed. The effectiveness of the deep learning-based fault diagnosis algorithm is demonstrated via Quanser Servo 2 rotating inverted pendulums with a leader-follower protocol. From the experimental results, the fault classification accuracy can reach 98.9%.

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