1. School of Electrical and Information EngineeringAnhui University of TechnologyMa'anshan243002People's Republic of China
2. Department of Electrical EngineeringYeungnam University214‐1 Dae‐DongKyongsan712‐749Republic of Korea
3. National Laboratory of Industrial Control TechnologyInstitute of Cyber‐Systems and Control, Zhejiang UniversityHangzhouZhejiang310027People's Republic of China