Ning Chen received a B.E. degree in Mechanical Engineering from the Shandong University of Science and Technology, Qingdao, China, in 2011; and M.E. and Ph.D. degrees in Mechanical Engineering from Shandong University, Jinan, China, in 2014 and 2020, respectively. From 2014 to 2016, he was a Mechanical Engineer in the XCMG Excavator Machinery Business Department, Xuzhou, China. His current research interests include piezoelectric micro-actuators/mirrors, micro/nano-positioning stages, and the control of high-precision mechatronics.