1. School of Artificial Intelligence and Data Science and Engineering Research Center of Intelligent Rehabilitation Device and Detection Technology Ministry of Education, Hebei University of Technology Tianjin China
2. School of Automation Beijing University of Posts and Telecommunications Beijing China
3. Beijing Key Laboratory of Rehabilitation Technical Aids for Old‐Age Disability and Key Laboratory of Neuro‐functional Information and Rehabilitation Engineering of the Ministry of Civil Affairs National Research Center for Rehabilitation Technical Aids Beijing China
4. Shenzhen Institute of Advanced Technology Chinese Academy of Science Shenzhen China