1. State Key Laboratory of Precision Measurement Technology and Instruments, Tsinghua University, Beijing 100084, China
2. Beijing Key Laboratory of Health Monitoring and Self-Recovery for High-End Mechanical Equipment, Beijing University of Chemical Technology, Beijing 100029, China
3. Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China
4. State Key Laboratory of Digital Manufacturing Equipment and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
Corresponding author: Fulei CHU
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