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• W4384158601 abstract "Multi-operating conditions and skewed class data distribution bring great challenges to gearbox fault diagnosis. This paper presents a new multiscale deep attention reinforcement learning (MDARL) approach for imbalanced fault diagnosis of gearbox. Specifically, class deviation degree is defined to build the environment reward strategy, and then an imbalanced classification Markov decision process (ICMDP) is established to realize the learning of fault diagnosis policy. Based on the deep Q network (DQN) algorithm, a multiscale convolutional attention network (MCAN) is designed as the network structure of the DQN agent by using multiscale convolution, channel attention, and residual network, to enhance the model's feature learning ability. Finally, imbalanced fault diagnosis of gearbox is effectively realized via the interactions between the agent and data environment, and the interaction obeys the ICMDP. Experiment results show that the presented approach can achieve an accuracy of over 99.0%, and has strong stability for imbalanced gearbox fault diagnosis under multi-working conditions." @default.
• W4384158601 created "2023-07-14" @default.
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• W4384158601 date "2023-05-22" @default.
• W4384158601 modified "2023-09-24" @default.
• W4384158601 title "Multiscale Deep Attention Reinforcement Learning for Imbalanced Fault Diagnosis of Gearbox Under Multi-Working Conditions" @default.
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• W4384158601 doi "https://doi.org/10.1109/i2mtc53148.2023.10175992" @default.
• W4384158601 hasPublicationYear "2023" @default.
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