hydraulic valve control system, in particular, to be applied to hydraulic machine center with closed

• 1. 蒙皮拉伸液压机中心工作台液压控制系统 [P] . 中国专利： CN112872158A . 2021-06-01
• 2. 一种应用于公安局的指挥中心控制系统 [P] . 中国专利： CN107040761A . 2017-08-11
• 3. Control valve for hydraulic system to center the closed position, intercalable on a hydraulic circuit to center open [P] . 法国专利： FR1227749A . 1960-08-24

  机译： 液压系统的控制阀可将关闭位置居中，可插入液压回路中以将其居中打开

• 4. Closed center hydraulic steering system for a motor vehicle has proportional and choke valves controlled by the steering system control unit to achieve the desired steering response [P] . 德国专利： DE10321998A1 . 2004-12-16

  机译： 用于机动车辆的封闭式中心液压转向系统，具有由转向系统控制单元控制的比例阀和节流阀，以实现所需的转向响应

• 5. AMPLIFIER VALVE FOR A CLOSED-CENTER-SYSTEM WORKING HYDRAULIC SYSTEM FOR AN AGRICULTURAL OR CIVIL ENGINEERING WORKING MACHINE [P] . 欧洲知识产权局专利： EP3236085B1 . 2019-01-23

  机译： 用于农业或民用工程机械的闭式系统工作液压系统的放大器阀

• 1. Fuzzy iterative learning control of electro-hydraulic servo system for SRM direct-drive volume control hydraulic press [J] . ZHENG Jian-ming, ZHAO Sheng-dun, WEI Shu-guo 中南大学学报（英文版） . 2010,第002期
• 2. Dynamic Simulation and Valve Structure Optimization of an Electro-Hydraulic Clutch Shift Control System in an Automatic Transmission [J] . HAN Xiao, LIU Yan-fang, XU Xiang-yang, 东华大学学报（英文版） . 2015,第005期
• 3. CHARACTERIZATION AND ATTENUATION OF SANDWICHED DEADBAND PROBLEM USING DESCRIBING FUNCTION ANALYSIS AND ITS APPLICATION TO ELECTRO-HYDRAULIC SYSTEMS CONTROLLED BY CLOSED-CENTER VALVES [C] . Song Liu, Bin Yao DSC-vol.73-1; American Society of Mechanical Engineers(ASME) International Mechanical Engineering Congress and Exposition pt.A; 20041113-19; Anaheim,CA(US) . 2004
• 4. Design and validation of an electro-hydraulic pressure-control valve and closed-loop controller. [D] . Boza, Jerry. 2016
• 5. Estimating the Characteristic Curve of a Directional Control Valve in a Combined Multibody and Hydraulic System Using an Augmented Discrete Extended Kalman Filter [O] . Qasim Khadim, Mehran Kiani-Oshtorjani, Suraj Jaiswal, 2021
• 6. Characterization and attenuation of sandwiched deadband problem using describing function analysis and its application to electro-hydraulic systems controlled by closed-center valves [O] . Song Liu, Bin Yao 2004

• 1. Fuzzy iterative learning control of electro-hydraulic servo system for SRM direct-drive volume control hydraulic press [J] . 郑建明 ,赵升吨 ,魏树国 . 中南大学学报 . 2010,第002期
• 2. PRESSURE COMPENSATION METHOD OF UNDERWATER HYDRAULIC SYSTEM WITH HYDRAULIC POWER UNIT BEING UNDER ATMOSPHERIC CIRCUMSTANCE AND PRESSURE COMPENSATED VALVE [J] . Wang Qingfeng ,Li Yanmin ,Zhong Tianyu . 中国机械工程学报 . 2005,第003期
• 3. Control method on serial type pump-valve coordinated electro-hydraulic servo system [J] . 谢文 ,汪首坤 ,王军政 . 北京理工大学学报：英文版 . 2016,第1期
• 4. 土工膜应用于岩基、软基特别是湿陷性黄土中修建引水隧洞 [C] . 赵佩钰 . 全国第四届土工合成材料学术会议 . 1996
• 5. 天然骨应用于水液压阀的实验研究 [A] . 田敬中 . 2016