The position control of hydraulic cylinder based on high-speed on-off valve. - Zhihao Liu; Qin-he Gao; Gangfeng Deng; Hai-long Niu; Jingyue Li (Int. J. Model. Identif. Control., 2014)

Linear Active Disturbance Rejection Control for Lever-Type Electric Erection System Based on Approximate Model. - Hailong Niu; Qinhe Gao; Shengjin Tang; Wenliang Guan (J. Control. Sci. Eng., 2019)

Research on Green Finance Investment Decision Based on Environmental Risk Assessment Algorithm from the Perspective of Innovation and Entrepreneurship. - Hailong Niu (AIMSCM, 2023)