微型涡轮发动机燃油闭环控制起动方法

徐建国; 张天宏

微型涡轮发动机燃油闭环控制起动方法

南京航空航天大学能源与动力学院, 南京 210016

计量
- 文章访问数: 1801
- HTML浏览量: 136
- PDF量: 450
- 被引次数: 0
出版历程
- 收稿日期: 2011-12-21
- 修回日期: 2012-02-15
- 刊出日期: 2012-03-28

Start-up method of micro turbine engine with closed-loop fuel flowrate control

College of Energy and Power Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China

摘要

摘要: 采用微压差方法进行燃油流量测量,达到低压损、高精度和快速响应的目的.设计了孔板式计量段,对不同节流孔径的计量段进行了标定试验.试验结果表明:在设定的测量范围内,节流孔两侧压差的平方根与流量成线性关系,与理论分析结果一致.在此基础上,研究微型涡轮发动机起动过程供油流量闭环控制问题.设计了单神经元PID(比例-积分-微分)控制器,对燃油流量进行了闭环控制试验.与开环控制方法相比,新的控制方法动态性能好,调节精度高.最后,采用单神经元PID控制器进行了微型涡轮发动机燃油闭环控制起动试验,显著提高了起动过程的快速性与可靠性.
- 微型涡轮发动机 /
- 燃油计量 /
- 微压差 /
- 孔板 /
- 起动控制
Abstract: The micro pressure difference method was used to measure fuel flowrate,which has the advantages of low pressure loss,high accuracy and fast response.A new orifice measuring section was designed,and a series of calibration experiments were done with different orifices.The experiments results show that the relation between flowrate and the square root of pressure difference was linear in the flowrate measuring range,which is in accordance with theoretical analysis.On the basis of the measuring method,a single neuron PID (proportion-integration-differentiation)controller was designed and used in the closed-loop control experiments of fuel flowrate.In contrast to open-looped control,this new control method is independent of pump characteristics,power voltage and outlet pressure.It also has good dynamic performance.In the end,the method was used in MTE(micro turbine engine) starting tests,which shows that it improves the quickness and reliability of start-up process dramatically.
- MTE (micro turbine engine) /
- fuel metering /
- micro pressure difference /
- orifice /
- start-up control

HTML

参考文献(13)

[1]	刘源,黄向华,张天宏.厘米级微型涡轮喷气发动机关键控制技术研究[J].航空动力学报,2007,22(3):480-484. LIU Yuan,HUANG Xianghua,ZHANG Tianhong.Research on key control technology of micro turbine engine in centimeter size[J].Journal of Aerospace Power,2007,22(3):480-484.(in Chinese)
[2]	Chiang H W D,Hsu C N,Lai A,et al.An investigation of steady and dynamic performance of a small turbojet engine.2002-GT-30577,2002.
[3]	Gerendas M,Pfister R.Development of a very small aero engine.2000-GT-O536,2000.
[4]	朴英.航空燃气涡轮发动机起动性能分析[J].航空动力学报,2003,18(6):777-782. PIAO Ying.An analysis of the starting characteristics of aeroengine[J].Journal of Aerospace Power,2003,18(6):777-782.(in Chinese)
[5]	邵东亮,朱金堂,孔伟.液体微流量计量方法研究[J].石油仪器,2005,19(2):69-72. SHAO Dongliang,ZHU Jintang,KONG Wei.Research on the test method of liquid micro flowrate[J].Petroleum Instruments,2005,19(2):69-72.(in Chinese)
[6]	陶建军.微小流量标准装置的研制[J].工业计量,2000,10(3):27-28. TAO Jianjun.The development of standard micro flow measuring instruments[J].Industrial Measurement,2000,10(3):27-28.(in Chinese)
[7]	邓茂焕.节流式差压流量计的发展和现状[J].工业计量,2002,12(6):30-32. DENG Maohuan.Development and current situation of throttle differential flowmeter[J].Industrial Measurement,2002,12(6):30-32.(in Chinese)
[8]	中国国家标准化管理委员会.GB/T2624.2-2006 用安装在圆形截面管道中的差压装置测量满管流体流量第2部分:孔板[S].北京:中国标准出版社,2006:8-9.
[9]	糜坤年.微型涡喷发动机燃油计量控制及实验技术研究.南京:南京航空航天大学,2007. MI Kunnian.Research on fuel metering and experimental technology for micro turbine engine.Nanjing:Nanjing University of Aeronautics and Astronautics,2007.(in Chinese)
[10]	张天宏,糜坤年,黄向华.独立于泵特性的低压损微流量计量装置:中国,ZL200710024646.3.2007-11-28.
[11]	糜坤年,张天宏.微型涡喷发动机燃油计量技术研究[J].航空动力学报,2008,23(11):2137-2141. MI Kunnian,ZHANG Tianhong.Study on fuel metering for the micro turbine engine[J].Journal of Aerospace Power,2008,23(11):2137-2141.(in Chinese)
[12]	丁军,徐用懋.单神经元自适应PID控制器及其应用[J].控制工程,2004,11(1):27-30. DING Jun,XU Yongmao.Single neuron adaptive PID controller and its applications[J].Control Engineering of China,2004,11(1):27-30.(in Chinese)
[13]	徐英,徐用懋,杨尔辅.时变大纯滞后系统的单神经元预测控制[J].清华大学学报(自然科学版),2002,42(3):383-386. XU Ying,XU Yongmao,YANG Erfu.Single-neuron predictive control for time-variable large delay systems[J].Journal of Tsinghua University (Science and Technology),2002,42(3):383-386.(in Chinese)