1. School of Artificial Intelligence and Data Science Hebei University of Technology Tiajin China
2. Navigation and Inertia Division Shanghai Aerospace Control Technology Institute Shanghai China
3. Shanghai Engineering Research Center of Inertia Shanghai China
4. Orthopedics Rehabilitation Hospital of National Research Center for Rehabilitation Technical Aids Beijing China
5. Key Laboratory of Human Motion Analysis and Rehabilitation Technology of the Ministry of Civil Affairs Beijing China
6. Recovery unit Tianjin Medical University General Hospital Tianjin China