1. School of Instrumentation and Optoelectronic EngineeringBeihang UniversityHaidian DistrictBeijingPeople's Republic of China
2. Beijing Engineering Research Center of High‐Speed Magnetically Suspended Motor Technology and ApplicationHaidian DistrictBeijingPeople's Republic of China
3. Ningbo Innovation Research InstituteBeihang UniversityMeishan DistrictNingboPeople's Republic of China