基于AMESim的主燃油控制系统仿真与频域分析  

A Simulation and Frequency Domain Analysis of Main Fuel Control System Based on AMESim

作　　者：王小鹏 马静[1] 杨艺琨 WANG Xiao-peng;MA Jing;YANG Yi-kun(College of Power and Energy,Northwestern Polytechnical University,Xi'an,Shaanxi 710072;AECC Xi'an Engine Control Co.,Ltd.,Xi'an,Shaanxi 710077)

机构地区：[1]西北工业大学动力与能源学院,陕西西安710072 [2]中国航发西安动力控制科技有限公司,陕西西安710077

出　　处：《液压与气动》2023年第10期127-135,共9页Chinese Hydraulics & Pneumatics

基　　金：航空发动机及燃气轮机基础科学中心项目(P2022-DB-V-001-001)。

摘　　要：为确定某型航空发动机数控系统中主燃油控制系统特性,采用力平衡和流量连续方程方程,并结合AMESim软件建立主燃油计量模块、等压差模块、停车控制模块和整个系统的仿真模型。与试验结果对比,通过模型部件调试和模块优化确定高精度仿真模型;并利用AMESim线性分析和模态分析工具对主燃油控制系统的频域特性和固有频率进行了计算。结果表明:所建主燃油控制系统仿真模型特性与试验结果比较误差小于5%,系统固有频率与实测结果一致,可为主燃油控制装置系统的优化设计提供理论依据。In order to determine the characteristics of the main fuel control system in an aeroengine numerical control system,using force balance and flow continuity equation equations,and combining AMESim software to establish the simulation models of the main fuel metering module,equal pressure difference module,shutdown control module and the entire system.Compared with the experimental results,high-precision simulation models were determined through model component debugging and module optimization;And the frequency domain characteristics and natural frequencies of the main fuel control system were calculated using AMESim linear analysis and modal analysis tools.The results show that the comparison error between the simulation model characteristics of the main fuel control system and the experimental results is less than 5 percent,and the natural frequency of the system is consistent with the measured results.This can provide a theoretical basis for the optimization design of the main fuel control device system.

关 键 词：主燃油控制系统 高精度模型 线性分析和模态分析工具 频域分析 

分 类 号：TH137[机械工程—机械制造及自动化] V271[航空宇航科学与技术—飞行器设计] TP391[自动化与计算机技术—计算机应用技术]