空气涡轮起动机调压装置AMESim建模与仿真
Air turbine starter pressure controller modeling and numerical simulation based on AMESim
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摘要: 根据空气涡轮起动机ATS(air turbine starter)系统中调压装置(该装置为一个多气动部件组成的压力闭环控制系统)的结构特点及工作原理,通过理论分析建立了其数学模型,采用模块化方法设计了调压装置的AMESim仿真模型.以某型ATS为应用对象,分别在斜坡输入、随机方波输入、阶跃输入及正弦输入下进行系统输出压力仿真.结果显示在不同输入下的压力输出基本恒定,典型工作状态仿真数据与试验数据比较,误差小于3%,表明建模方法是正确的,所建模型可满足工程要求.Abstract: Based on the structure and principle of pressure controller (which is a pressure feedback control system composed of several pneumatic components) of air turbine starter system (ATS),the mathematic model was established through theoretical analyze.Then a pressure control system simulation platform was developed based on the AMESim simulation environment by using the modularization modeling method.Take a kind of ATS as the object for simulation,the pressure characteristics was simulated by giving ramp signal,random square wave signal and sine signal.The result show that output pressure can maintain within required range,and compared with the test data of typical operation state,the simulation error is less than 3%.The model of pressure controller is suitable for engineering.
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Key words:
- air turbine starter /
- pressure controller /
- AMESim /
- modularization /
- modeling and simulation
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