Ai Chao, was born in Hebei, China, in 1982. He received B.E., M.Sc, and Ph.D. degrees in Mechatronic Engineering from Yanshan University, Qinhuangdao, China, in 2005, 2008, and 2013, respectively. He is currently a Professor in the School of Mechanical Engineering, Yanshan University, Qinhuangdao, China. His research interests include intelligent hydraulic wind power, fluid vibration and suppression, electro-hydraulic servo systems.