1. Department of Automation University of Science and Technology of China Hefei China
2. School of Automation Science and Electrical Engineering, Beihang University Beijing China
3. Beijing Advanced Innovation Center for Big Data and Brain Computing Beihang University Beijing China
4. Institute for Automatic Control and Complex Systems (AKS) University of Duisburg‐Essen Duisburg Germany
5. School of Electrical Engineering and Automation Anhui University Hefei China