Robust output feedback control for electro-hydraulic servo system with error constraint based on high-order sliding mode observer. - Yunfei Wang; Jiyun Zhao; He Zhang 029; Hao Wang (Trans. Inst. Meas. Control, 2023)

Design and Dynamic Characteristics Measurement of a Water Hydraulic Proportional Flow Valve With a Discrete Pilot Stage. - Hao Wang; Chao Cao; Jiyun Zhao; Yunfei Wang; He Zhang 029 (IEEE Trans. Instrum. Meas., 2025)