027-基于AMESim的涡扇发动机控制系统综合仿真$ M6 ]4 j9 N( d9 _. N5 \
基于AMESim 的涡扇发动机控制系统
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综合仿真
?% d, Z) d; M+ w任新宇1 , 王建礼2 , 赵小龙2
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( 1. 西北工业大学动力与能源学院, 西安710072;
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2. 中国航空工业集团公司西安航空动力控制公司, 西安710077)
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摘􀀁 􀀁 􀀁 要: 以AMESim 为平台, 采用模块化的设计方法, 分别建立航空发动机、传感器、燃油系统、电子控
$ Y/ D- k T- u# K# h0 m: \制器和执行机构数学模型. 将模块封装打包建立涡扇发动机控制系统模型库, 并将之组成为完整的发动机及
$ C+ p/ y* N! w: n, Y, z调节器系统综合仿真平台. 以主燃油控制系统为例, 介绍了各仿真模块的建立过程, 仿真结果表明, 系统模型
( T1 y5 u3 G" E- r# D5 T: d能反映各子系统之间的复杂集成和耦合关系, 利用系统模型仿真进行组合优化能够有效提高系统性能.
4 N! U# T& n# H+ t关􀀁 键􀀁 词: 航空发动机; 控制系统; AM ESim 仿真; 系统仿真; 模块化建模方法
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中图分类号: V411􀀂 8 􀀁 􀀁 􀀁 􀀁 􀀁 文献标识码: A
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收稿日期: 2010􀀁 04􀀁25; 修订日期: 2010􀀁08􀀁16
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作者简介: 任新宇( 1978- ) , 男, 辽宁凌源人, 讲师, 博士后, 主要研究方向为航空发动机及控制系统建模仿真.
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Simulation of turbofan engine main fuel control system
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REN Xin􀀁yu1 , WANG Jian􀀁li2 , ZHA O Xiao􀀁long2
, E: y6 w9 T- Q! T. ? S5 I4 W2 H& ?+ l( 1. School of Pow er and Ener gy,
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Northw estern Poly technical U niv er sity, Xi􀀁an 710072, China;
, F& g4 W0 m, O9 ~! o' b2. Xi􀀁an Aero􀀁eng ine Cont rols Company ,
3 _$ ?2 ^! E1 G4 XAviation Industry Cor porat ion of China, Xi􀀁an 710077, China)
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Abstract: Based on the AMESim simulat ion environment, a turbofan engine contro l
' P/ t, `7 d) N& t& }- Ksystem simulat ion platform w as dev elo ped. Using the mo dular izat ion mo deling method, the
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system w as subdivided into dif ferent subsy stems, such us sensors, fuel sy stem, elect ronic
: {1 E% G2 c4 H" [* ^" `cont roller, actuators and the engine it self . Every module w as built , tested and encapsula􀀁
! X7 V3 h0 ]$ q7 c) v+ Rted into the aero􀀁eng ine cont ro l sy stem mo dule library. With the module library, the eng ine
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system model co uld be established easily . Taking main fuel contr ol system, for example,
- C* e3 A6 L8 l# P3 Xthe modularity modeling methods w as descr ibed. T he result s show that system mo del can
+ J+ b! w# c1 K N+ }1 ?. }5 R |ref lect the complex integr at ion and coupling of subsy stem. Combinato rial opt imizat ion using
- f6 `3 d v0 S& H9 z0 Usystem model can impr ove the sy stem capability.
& N7 U! |! w, CKey words: aero􀀁engine; co nt ro l sy stem; AMESim simulatio n; system simulat ion;
5 i3 ?; g. G" V6 z; n1 k# o a4 omodularizat io n modeling metho d
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3 {" b* t. a, |- ^8 p028-某型涡扇发动机自动加速器仿真分析' |4 x7 x0 \1 Z
某型涡扇发动机自动加速器仿真分析
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祁新杰，郭迎清，陆 军
6 o$ y* X1 i* T" x0 m6 y（西北工业大学动力与能源学院，西安 710072）
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摘 要：某型涡扇发动机的机械液压控制系统实现了复杂的加速控制规律。为了深入分析该自动加
1 j3 O: w4 I4 X3 b8 c2 a! Q速器特性，使用AMESim 和Simulink 建立了该自动加速器的联合仿真模型，并验证了仿真模型的正
5 y! T B- H# z$ L确性，且具有较高的精度。在此基础上分析了影响自动加速器性能的可调部件，仿真结果显示了这些部
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件的参数调整对自动加速器加速特性曲线的影响。结论为该机械液压控制器的改进改型提供依据。
% J3 I2 ?" o B" o# C6 q关键词：涡扇发动机控制；自动加速器；机械液压装置；联合仿真；性能分析
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. S2 m+ w. t8 d3 j0 {5 b& cSimulation and Analysis of Turbofan Engine Accelerator
* I' P- Z; G; \5 q, HQI Xin-jie, GUO Ying-qing, LU Jun
7 X- p7 S& {" W, U( G& @, h(College of Power and Energy, Northwestern Polytechnical University, Xi’an 710072, China)
# J* z. W- n# {4 VAbstract: A turbofan engine hydro-mechanical control system performs complex accelerating control law. In order to
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analyze the performance of the accelerator, the co-simulation model based AMESim and Simulink was established and the
, m2 z# t5 r# w' F$ `correctness of the model was verified, simulation results indicate the model has high precision. Some components’ impact on
3 y% Y& m; m5 l5 y9 P! ^" V. @accelerator was emphatically analyzed and the changes on acceleration characteristic by adjusting component parameter
& D/ i' f2 B; a% o9 Z1 L( Ywere displayed. The conclusions of the paper provide evidence for the improvement and modification of the hydromechanical
( F2 A; A) k; S& T1 W$ N- R+ ocontrol system.
2 u! P+ h8 C* ^Key words: turbofan engine control; accelerator; hydro-mechanical device; co-simulation; performance analysis
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029-航空发动机燃油分布器故障分析与参数优化.9 i% s1 M0 m4 _$ U& o$ Y
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航空发动机燃油分布器故障分析与参数优化*
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彭凯，樊丁，卜振鹏，李杰，尹飞佳
; c! U) O& e( V; w, @: k0 z3 }( 西北工业大学动力与能源学院，陕西西安710072)
6 A: ^9 R7 k, c8 Q$ i) P摘要: 燃油分布器对供给发动机的燃油流量进行调节，进而改变发动机的转子转速、涡轮前温度等状态参
- L5 Q6 q6 ]/ m7 C' I4 a# q( P e数，它的工作特性也影响着发动机的加速性、稳定性等性能参数。在发动机地面台架试车过程中，发动机出现了
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转速下掉的故障，初步认为是燃油分布器工作不正常导致的。在对该型燃油分布器工作原理分析的基础上，利用
! Z% g9 R6 G% s. e, l$ R) L$ bAMESim 软件构建相应的仿真模型，再现了工程实践中出现的发动机转速掉转的故障现象，分析并对其结构参数进
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行了优化。仿真结果为排故、系统的性能了解和改善提供了技术依据，本项研究已经成功应用于工程实践。
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关键词: 燃油分布器; 转速掉转; 故障分析; 参数优化
6 I1 Y7 E( {# x中图分类号: V233. 22 文献标识码: A 文章编号: 1001-4055 ( 2011) 02-0276-06
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* 收稿日期: 2010-01-05; 修订日期: 2010-04-20。
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作者简介: 彭凯( 1984—) ，男，博士生，研究领域为航空推进系统控制。E-mail: 330993652@ qq. com
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Failure analysis and parameter optimization for fuel
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distributor for aeroengine
' j, _, C, V4 DPENG Kai，FAN Ding，BU Zheng-peng，LI Jie，YIN Fei-jia
- i- Z6 P! c/ |2 D( School of Power and Energy，Northwestern Polytechnical Univ． ，Xian 710072，China)
" Y: f B _: yAbstract: Fuel distributor adjusts the supply of engine fuel flow． Thereby，it affects such state parameters of the aeroengine
6 X% O0 P9 c# C& oas rotor speed，turbine inlet total temperature，etc． and its operating characteristics also affect the engine speed，stability
" _# Q2 Y% Z% S1 r P: nand other performance parameters of aeroengine． It occurred that certain engine speed swung in the ground test bed
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process． The reason for which was due to the fuel distributor not working properly in preliminary view． Based on the analysis
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of working principle of this type of fuel distributor，the corresponding simulation model in the software AMESim was built to reproduce
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the phenomena of engine speed swing appearing while in use，analyze the cause for faults and optimize the parameters
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of its structure． The simulation results provide the technical basis for troubleshooting，understanding and improving the performance
+ x* ^. {3 o& E# x& W* M% wof the system，and this study has been successfully applied to engineering practice．
: C* Q6 \- J5 B+ `, ]3 zKey words: Fuel distributor; Speed oscillation; Fault analysis; Parameter optimization
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