| 汽轮机高压旁路系统电液比例阀非线性仿真及分析 |
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| 引用本文： | 杨国来,郑海,白桂香,杜旭明,张姗玲,孙善兵.汽轮机高压旁路系统电液比例阀非线性仿真及分析[J].新技术新工艺,2011(11):28-31. |
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| 作者姓名： | 杨国来 郑海 白桂香 杜旭明 张姗玲 孙善兵 |
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| 作者单位： | 兰州理工大学能源与动力工程学院,甘肃兰州,730050 |
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| 基金项目： | 甘肃省自然科学研究基金计划 |
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| 摘 要： | 以汽轮机高压旁路控制系统为研究对象,通过分析控制系统的主要控制元件——电液比例换向阀的控制特性,考虑比例阀存在的饱和、滞环、死区等主要非线性因素,建立起汽轮机高压旁路控制系统的阀控缸非线性数学模型,并运用PID控制算法参数整定,对系统进行校正。基于MATLAB/Simu-link控制系统的非线性模块,对PID参数整定后的汽轮机高压旁路系统电液比例阀非线性模型进行仿真和分析,结果表明系统响应快速,稳定性良好,达到控制标准要求。
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| 关 键 词： | 非线性 汽轮机 电液比例 仿真 |
Non-line Simulation and Analysis of the Electro-hydraulic Proportional Valve for Steam Turbine High Pressare Valve Control System |
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| YANG Guolai,ZHENG Hai,BAI Guixiang,DU Xuming,ZHANG Shanling,SUN Shanbing.Non-line Simulation and Analysis of the Electro-hydraulic Proportional Valve for Steam Turbine High Pressare Valve Control System[J].New Technology & New Process,2011(11):28-31. |
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| Authors: | YANG Guolai ZHENG Hai BAI Guixiang DU Xuming ZHANG Shanling SUN Shanbing |
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| Affiliation: | YANG Guolai,ZHENG Hai,BAI Guixiang,DU Xuming,ZHANG Shanling,SUN Shanbing(Fluid Power&Control College,Lanzhou University of Technology,Lanzhou 730050,China) |
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| Abstract: | Non-line mathematical model of steam turbine high pressure valve control system was establinshed through studying control system of steam turbine high pressure valve,analyzing prime control element-control characteristic of electro-hydraulic proportional valve,and considering saturated,hysteresis and dead zone and other major non-linear factors of proportional valve.Furthermore,the corresponding PID control tactics were put forward to revise the effects on system.It was simulated and analyzed of the electro... |
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| Keywords: | Non-line Steam turbine Electro-hydraulic proportion Simulation |
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