Analysis on composite hydraulic servo control system with dual independent closed-loop

[1] 王春行.液压伺服控制系统[M].北京:机械工业出版社,1988:76 Wang Chunxing.Hydraulic servo control system[M].Beijing:China Machine Press,1988:76(in Chinese) [2] Helduser S.Electric-hydrostatic drive—an innovative energy-saving power and motion control system[J].Proc Instn Mech Engrs,1999,213(Part I):427-437 [3] 金波,沈海阔,俞亚新,等.基于能量调节的电液变转速液压缸位置控制系统[J].机械工程学报,2008,44(1):25-30 Jin Bo,Shen Haikuo,Yu Yaxin,et al.Energy-regulation based variable speed hydraulic cylinder position control system[J].Chinese Journal of Mechanical Engineering,2008,44(1):25-30(in Chinese) [4] Navarro Robert.Performance of an electro-drostatic actuator on the F-18 systems research aircraft .NASA/TM-97-206224,1997 [5] 权龙,Helduser S.基于可调速电动机的高动态节能型电液动力源[J].中国机械工程,2003,14(7):606-609 Quan Long,Helduser S.Energy saving and high dynamic hydraulic power unit based on speed variable motor and constant hydraulic pump[J].China Mechanical Engineering,2003,14(7):606-609(in Chinese) [6] Li Jun,Fu Yongling,Wang Zhanlin,et al.Research on fast response and high accuracy control of airborne electro hydrostatic actuation system //Proceedings of the 2004 International Conference on Intelligent Mechatronics and Automation.Chengdu: ,2004:428-432 [7] Stefan Frischemeier．Electro hydrostatic actuator for aircraft primary flight control-types,modeling and evaluation //5th Scandinavian International Conference on Fluid Power.Linkping,Sweden: ,1997:1-16 [8] 纪友哲.电机-泵-阀联合控制作动器的研究 .北京:北京航空航天大学自动化科学与电气工程学院,2008 Ji Youzhe.Research on motor-pump-valve combined ontrol actuator .Beijing:School of Automation Science and Electrical Engineering,Beijing University of Aeronautics and Astronautic,2008(in Chinese)