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    Article

    Tool wear monitoring in ultrasonic welding using high-order decomposition

    Ultrasonic welding has been used for joining lithium-ion battery cells in electric vehicle manufacturing. The geometric profile change of tool shape significantly affects the weld quality and should be monitor...

    Yaser Zerehsaz, Chenhui Shao, Jionghua ** in Journal of Intelligent Manufacturing (2019)

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    Article

    Automatic feature extraction of waveform signals for in-process diagnostic performance improvement

    In this paper, a new methodology is presented for develo** a diagnostic system using waveform signals with limited or with no prior fault information. The key issues studied in this paper are automatic fault...

    Jionghua **, Jianjun Shi in Journal of Intelligent Manufacturing (2001)