国家自然科学基金(50575202)

作品数:16被引量:74H指数:6
导出分析报告
相关作者:王宣银徐志鹏罗语溪余状皮阳军更多>>
相关机构:浙江大学中国计量学院更多>>
相关期刊:《液压与气动》《Journal of Thermal Science》《农业机械学报》《机床与液压》更多>>
相关主题:减压阀高压气动HIGH_PRESSURE先导阀超高压气动更多>>
相关领域:机械工程自动化与计算机技术理学动力工程及工程热物理更多>>
-

检索结果分析

结果分析中...
条 记 录,以下是1-10
视图:
排序:
Sliding Mode Control in Position Control for Asymmetrical Hydraulic Cylinder with Chambers Connected被引量:4
《Journal of Shanghai Jiaotong university(Science)》2013年第4期454-459,共6页雷军波 王宣银 皮阳军 
the National Natural Science Foundation of China(No.50575202)
In this paper, single, two-position, two-way proportional valve is used to carry out the positon control of asymmetrical hydraulic cylinder with two chambers connected. The system structure and the working princle are...
关键词:sliding mode control asymmetrical hydraulic cylinder position control bond graph 
Real Gas Effects on Charging and Discharging Processes of High Pressure Pneumatics被引量:6
《Chinese Journal of Mechanical Engineering》2013年第1期61-68,共8页LUO Yuxi WANG Xuanyin GE Yaozheng 
supported by National Natural Science Foundation of China (Grant No. 50575202)
The high pressure pneumatic system has been applied to special industries. It may cause errors when we analyze high pressure pneumatics under ideal gas assumption. However, the real gas effect on the performances of h...
关键词:real gas effect pneumatic simulation model high pressure pneumatics 
Enthalpy and Exergy Transfers of High Pressure Switching Expansion Reduction
《Journal of Shanghai Jiaotong university(Science)》2012年第1期45-52,共8页罗语溪 王宣银 雷军波 
the National Natural Science Foundation of China(No.50575202)
The energy balance, air internal energy, enthalpy and exergy transfers of high pressure switching expansion reduction (SER) are comparatively analyzed in this paper to give a better understanding about the exergy an...
关键词:ENTHALPY EXERGY energy balance effciency pressure reduction 
Study of Polytropic Exponent Based on High Pressure Switching Expansion Reduction被引量:3
《Journal of Thermal Science》2011年第5期435-441,共7页Xuanyin Wang Yuxi Luo Zhipeng Xu 
supported by the National Natural Science Foundation of China (No.50575202)
Switching expansion reduction(SER) uses a switch valve to substitute the throttle valve to reduce pressure for high pressure pneumatics.The experiments indicate that the simulation model well predicts the actual chara...
关键词:polytropic exponent high pressure pneumatics heat transfer pressure reduction 
Pneumatic resistance network analysis and dimension optimization of high pressure electronic pneumatic pressure reducing valve被引量:2
《Journal of Central South University》2011年第3期666-671,共6页徐志鹏 王宣银 
Project(50575202) supported by the National Natural Science Foundation of China
The structure and working principle of a self-deigned high pressure electronic pneumatic pressure reducing valve (EPPRV) with slide pilot are introduced.The resistance value formulas and the relationship between the r...
关键词:high pressure pressure reducing valve pneumatic resistance dimension optimization genetic algorithm 
Concentric Annular Clearance-Controllable Pressure Characteristics Research of a High Pressure Pneumatic Pressure Assembly
《Chinese Journal of Mechanical Engineering》2011年第1期121-126,共6页WANG Xuanyin XU Zhipeng 
supported by National Natural Science Foundation of China(Grant No.50575202)
High pressure is an important development orientation in pneumatic field,since it can not only improve dynamic characteristics of pneumatic system but also decrease the size of components and mounting space.Due to the...
关键词:high pressure pneumatic concentric annular clearance controllable pressure slide valve LEAKAGE 
高压气动比例减压阀设计与仿真被引量:21
《农业机械学报》2011年第1期209-212,222,共5页徐志鹏 王宣银 罗语溪 
国家自然科学基金资助项目(50575202)
提出一种高压气动比例减压阀,该阀由比例电磁铁控制的二位三通型滑阀式先导阀和活塞提升式主阀组成,通过压力传感器和控制器构成闭环电反馈控制,最高工作压力为31.5 MPa。该阀虽然存在少量先导耗气,但保证了压力调整的快速性和稳定性,...
关键词:减压阀 高压气动 开口 环形间隙 先导阀 
Position Control for Asymmetrical Hydraulic Cylinder System Using a Single On/Off Valve被引量:2
《Journal of Shanghai Jiaotong university(Science)》2010年第6期651-656,共6页雷军波 王宣银 徐志鹏 罗语溪 皮阳军 
the National Natural Science Foundation of China (No. 50575202)
A single on/off valve is used to carry out the position control of the asymmetrical hydraulic cylinder. The influence of the nominal flow rate on the positional accuracy of piston is investigated and the proximate for...
关键词:on/off valves asvmmetrical hydraulic cvlinder position control 
滑阀先导式高压气动减压阀间隙泄漏特性研究被引量:9
《浙江大学学报(工学版)》2009年第10期1789-1793,共5页徐志鹏 王宣银 罗语溪 
国家自然科学基金资助项目(50575202)
针对高压气动减压阀中滑阀式先导阀的缝隙泄漏,建立了考虑泄漏影响的数学模型,对减压阀工作条件和先导阀结构参数等影响因素进行了仿真.结果表明,降低减压阀输入压力、提高输出压力以及提高先导阀节流窗口宽度比等都能有效减少泄漏,仿...
关键词:高压气动阀 减压阀 滑阀 间隙泄漏 
滑阀先导式高压气动减压阀结冰特性被引量:12
《航空学报》2009年第5期819-824,共6页徐志鹏 王宣银 罗语溪 
国家自然科学基金(50575202)
针对自主研制的高压气动比例减压阀出现的结冰问题,结合数学仿真和流场计算进行了深入分析。结冰出现在先导阀中间腔而非温度最低的主阀排气腔说明温度并非导致结冰的唯一因素。建立了减压阀的数学模型,计算得出先导阀节流口面积比与先...
关键词:高压气动 减压阀 先导阀 结冰 计算流体力学 
检索报告 对象比较 聚类工具 使用帮助 返回顶部