| 大型客机座舱压力控制系统安全阀仿真研究 |
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| 引用本文： | 江卓远.大型客机座舱压力控制系统安全阀仿真研究[J].计算机仿真,2009,26(3). |
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| 作者姓名： | 江卓远 |
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| 作者单位： | 中国直升机设计研究所,江西,景德镇,333001 |
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| 摘 要： | 根据大型客机座舱压力控制系统安全阀的工作原理和结构形式,在MATLAB/SIMULINK仿真环境下实现了座舱压力控制系统安全阀全数字仿真.应用机械动力学和可压缩流体动力学的建模理论,建立了安全阀控制器、伺服控制室、控制室之间的气流等数字仿真模型,导出了安全阀控制器和伺服控制室控制器的传递函数.根据A340客机的设计需要,在试验室设计了6种状态进行仿真.与试验结果进行了比较,误差较小,仿真模型能反应座舱压力控制系统安全阀动力学行为,可满足工程应用的需要.采用该方法进行数字仿真可确定安全阀活门开启时座舱内外的压差、仿真安全阀的动态过程和优化设计参数.
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| 关 键 词： | 大型客机 座舱压力控制系统 安全阀 仿真 |
Simulation of Safety Valve of Aerobus Cabin Pressure Control System |
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| JIANG Zhuo-yuan.Simulation of Safety Valve of Aerobus Cabin Pressure Control System[J].Computer Simulation,2009,26(3). |
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| Authors: | JIANG Zhuo-yuan |
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| Affiliation: | China Helicopter Research and Development Institute;Jingdezhen Jiangxi 333001;China |
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| Abstract: | On the basis of the structure and principle of Cabin Pressure Control System(CPCS) Safety Valve,it's digital simulation model is set up in MATLAB/SIMULINK.Theories of Mechanical Dynamics and Compress Flow Aerodynamics are applied,safety valve controller,servo chamber,compressible flow between chamber and chamber aerodynamics simulation model are built,safety valve and servo chamber controller transfer function have been educed.Six typical simulation cases are designed in lab according to A340 CPCS Safety Va... |
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| Keywords: | Aerobus Cabin pressure control system Safety valve Simulation |
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