Research on backup hydromechanical control plan of the turbo-shaft engine's control system

LIAO Guang-huang; HUANG Jin-quan

doi:10.13224/j.cnki.jasp.2015.11.020

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Research on backup hydromechanical control plan of the turbo-shaft engine's control system

更新时间：2026-07-07

- Research on backup hydromechanical control plan of the turbo-shaft engine's control system
- Vol. 30, Issue 11, Pages: 2713-2720(2015)
- 作者机构：
  
  1. 南京航空航天大学能源与动力学院江苏省航空动力系统重点实验室,南京,210016
  2. 中国航空工业集团公司航空动力控制系统研究所,江苏,无锡,214063
  3. 先进航空发动机协同创新中心,北京,100191
- 作者简介：
- 基金信息：
- DOI：10.13224/j.cnki.jasp.2015.11.020
  CLC：
- Published：2015
- 稿件说明：
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廖光煌, 黄金泉. 某型涡轴发动机数控系统的机械液压备份控制方案研究[J]. 航空动力学报, 2015, 30(11): 2713-2720.

doi: 10.13224/j.cnki.jasp.2015.11.020
廖光煌, 黄金泉. 某型涡轴发动机数控系统的机械液压备份控制方案研究[J]. 航空动力学报, 2015, 30(11): 2713-2720. DOI： 10.13224/j.cnki.jasp.2015.11.020.

doi: 10.13224/j.cnki.jasp.2015.11.020 DOI：

摘要

综合国内外涡轴发动机控制系统的发展趋势及成熟度的基础上

提出了一种带机械液压备份功能的控制系统方案

该方案的机械液压备份功能模块能跟随数字控制功能模块

并能够在数字控制失效后平稳切换到机械液压备份控制

具有在包线范围内实现发动机的燃油和导叶机械液压备份控制功能

保证涡轴发动机安全工作和直升机的安全返航.该方案通过工程设计、试制

开展了半物理试验和台架试验验证

验证结果表明:该备份控制方案的动力涡轮转速控制精度优于±0.5%

导叶控制精度优于4°

具有良好的工程应用性.

Abstract

Based on the research of the development and the maturity of turbo-shaft engine's control systems abroad

a control system scheme including a hydromechanical system as the backup was proposed. The module of backup hydromechanical control system could work synchronously with the digital control module

and switch to the main control system smoothly in case of failure of the digital control mode. This kind of design could achieve the function of backup control for the fuel and the compressor guide vane

and also guarantee the security for the engine's work and the return of helicopters. The design has been checked with the semi-physical simulation experiment and engine rig test after design and manufacturing. According to the verification result

the system has a control precision of ±0.5% for power turbin speed and precision of 4° for the guide vane

which insures the well application in engineering.

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Related Institution

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