Han Yandong
College of electrical engineering and automation, Henan Polytechnic University,Jiaozuo 454000,ChinaWang Xudong
College of electrical engineering and automation, Henan Polytechnic University,Jiaozuo 454000,ChinaXu Xiaozhuo
College of electrical engineering and automation, Henan Polytechnic University,Jiaozuo 454000,ChinaFeng Haichao
College of electrical engineering and automation, Henan Polytechnic University,Jiaozuo 454000,ChinaCollege of electrical engineering and automation, Henan Polytechnic University,Jiaozuo 454000,China
TP241.3; TN305.7