2D SIMPLIFIED SERVO VALVE机械工程学报：英文版论文

2D SIMPLIFIED SERVO VALVE机械工程学报：英文版论文

【题名】：2D SIMPLIFIED SERVO VALVE机械工程学报：英文版论文(2D SIMPLIFIED SERVO VALVEJiXieGongChengXueBao：YingWenBanLunWen)
【关键词】：伺服阀旋转运动直线运动动力学先导阀
【keywords】：SiFuFa XuanZhuanYunDong ZhiXianYunDong DongLiXue XianDaoFa
【作者】：LiSheng,RuanJian,BurtonR,UkrainetzP,      【来源】：知识词典
【期刊名称】：机械工程学报：英文版(JiXieGongChengXueBao：YingWenBan)
【国际标准刊号】：1000-9345        【国内统一刊号】：11-2737
【作者单位】：[1]DepartmentofMechanicalEngineering,ZheiiangUniversityofTechnology,Hangzhou310014,China [2]DepartmentofMechanicalEngineering,LlniwrsitvofSaskatchewan,57CampusDriveSaskatoon,Saskatchewan,Canada,S7N5A9([1]DepartmentofMechanicalEngineering,ZheiiangUniversityofTechnology,Hangzhou310014,China [2]DepartmentofMechanicalEngineering,LlniwrsitvofSaskatchewan,57CampusDriveSaskatoon,Saskatchewan,Canada,S7N5A9)
【分类号】：TH134 TH113      【页码】：-132-135      【出版年】：2003.2
        A novel pilot stage valve called simplified 2D valve, which utilizes both rotary and linear motions of a single spool, is presented. The rotary motion of the spool incorporating hydraulic resistance bridge, formed by a damper groove and a crescent overlap opening, is utilized as pilot to actuate linear motion of the svool. A criterion for stability is derived from the linear analysis of the valve.Special experiments are designed to acquire the mechanical stiffness, the pilot leakage and the step response. It is shown that the sectional size of the spiral groove affects the dynamic response and the stiffness contradictorily and is also very sensitive to the pilot leakage. Therefore, it is necessary to establish a balance between the static and dynamic characteristics in deciding the smlctural parameters.Nevertheless, it is possible to sustain the dynamic response at a fairly high level, while keeping the leakage of the oilot sta,,e at an aecentable level.

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