Authors
Zhang Liang
Mechanical and Electrical Engineering Institute, Qingdao Binhai University, Qingdao, China
Zhao Jian
Mechanical and Electrical Engineering Institute, Qingdao Binhai University, Qingdao, China
Zheng Li-nan
Mechanical and Electrical Engineering Institute, Qingdao Binhai University, Qingdao, China
Li Nan
Mechanical and Electrical Engineering Institute, Qingdao Binhai University, Qingdao, China