Pei Xiaomin
School of Information and Control Engineering, Liaoning Shihua University, Fushun 113001, ChinaSong Jiaqiang
School of Information and Control Engineering, Liaoning Shihua University, Fushun 113001, ChinaCao Jiangtao
School of Information and Control Engineering, Liaoning Shihua University, Fushun 113001, ChinaLiu Honghai
Intelligent Systems and Biomedical Robotics Group, University of Portsmouth, PO1 3QL Portsmouth,UKTN9117; R741044