1. Key Laboratory of Ultra-Weak Magnetic Field Measurement Technology, Ministry of Education, School of Instrumentation and Optoelectronic Engineering, Beihang University, Beijing, China
2. Zhejiang Provincial Key Laboratory of Ultra-Weak Magnetic-Field Space and Applied Technology, Hangzhou Innovation Institute, Beihang University, Hangzhou, China
3. Beijing Engineering Research Center of High-Speed Magnetically Suspended Motor Technology and Application, Beihang University, Beijing, China
4. Zhejiang Engineering Research Center of Precision Electromagnetic Control Technology and Equipment, Ningbo Institute of Technology, Beihang University, Ningbo, China