7Amirante R, Catalano L A, Poloni C, et al. Fluid-dynamic design optimization of hydraulic proportional directional valves [ J]. Engineering Optimization, 2014, 46( 10): 1295- 1314.
8Walker P D, Zhu B, Zhang N. Nonlinear modeling and analysis of direct acting solenoid valves for clutch control[ J]. ASME Journal of Dynamic Systems, Measurement, and Control, 2014, 136 (5) : 1297 - 1305.
9Wang S K, Wang J Z, Zhao J B. A case study of electro-hydraulic loading and testing technology for composite insulators based on iterative learning control[ J]. Proc IMech E, Part I: Journal of Systems and Control Engineering, 2013, 227 (6) : 498 -506.
10Truong D Q, Ahn K K. Force control for hydraulic load simulator using self-tuning grey predictor-fuzzy PID [ J]. Mechatronics, 2009, 19(2) : 233 -246.