Yuxuan Liang received the B.Eng.degree in mechanical engineering from Tongji University, Shanghai, China, in 2023. He is currently working toward the M.Phil. degree in robotics and autonomous systems with The Hong Kong University of Science and Technology (Guangzhou), Guangzhou, China. His research interests include nonlinear control theory, observer-based and other anti-disturbance methods for electric machines and robots. As a knowledge-loving and dedicated Nerd, he has uploaded his study notes on control theory to Zhihu.