基于浸入与不变方法的航空发动机输出反馈控制  

Output Feedback Control of Aero-Engines Based on Immersion and Invariance Method

作　　者：洪兴奎 曹冠真 谭湘敏 秦绍坤 HONG Xingkui;CAO Guanzhen;TAN Xiangmin;QIN Shaokun(Institute of Engineering Thermophysics,Chinese Academy of Sciences,Beijing 100190,China;University of Chinese Academy of Sciences,Beijing 100190,China;Innovation Academy for Light-Duty Gas Turbine,Beijing 100190,China)

机构地区：[1]中国科学院工程热物理研究所,北京100190 [2]中国科学院大学,北京100190 [3]轻型涡轮动力全国重点实验室,北京100190

出　　处：《热力透平》2025年第1期1-7,共7页Thermal Turbine

基　　金：基础科研项目(JCKY2020130C025)。

摘　　要：航空发动机状态反馈控制器的设计要求中,转速、推力等状态信息可测,但实际工程中却存在状态信息不可测和模型参数不确定的情形。基于浸入与不变方法,提出了一种航空发动机输出反馈自适应控制方法,该方法包含一个浸入与不变参数估计器、一个浸入与不变状态观测器和一个输出反馈反步控制器。首先,利用估计的模型参数,设计浸入与不变观测器来观测未知状态;然后,利用模型输出结果和观测到的状态,设计浸入与不变自适应参数估计器,以估计模型参数;最后,结合模型输出结果、状态观测结果和参数估计信息,设计输出反馈反步控制器,实现航空发动机给定输入指令的跟踪控制。利用Lyapunov理论证明了闭环系统的稳定性,并基于T-MATS航空发动机非线性仿真平台,验证了所提出方法的有效性。研究成果可为航空发动机输出反馈自适应控制提供参考。In the design of feedback controller in aero-engine state,state information of rotation speed,thrust and so on is required to be measurable.In practical engineering,however,state information is often unmeasurable,and the model parameters are usually uncertain.An adaptive output feedback control method for aero-engines based on immersion and invariance theory was proposed,which consists of an immersion and invariance parameter estimator,an immersion and invariance state observer and an output feedback back stepping controller.Firstly,an immersion and invariance observer was designed to observe the unknown states utilizing the estimated model parameters;then,using the model output and observed states,an immersion and invariance adaptive parameter estimator was designed to estimate the model parameters;finally,combined with the model output,state observations and parameter estimation information,an output feedback back stepping controller was designed to realize the tracking control of given input commands for the aero-engine.The stability of the closed-loop system was proven by Lyapunov theory,and the effectiveness of the proposed method was verified based on the T-MATS nonlinear simulation platform for aero-engine.The research results can provide reference for output feedback adaptive control of aero-engine.

关 键 词：航空发动机 输出反馈 浸入与不变 自适应控制 非线性系统 

分 类 号：V249.1[航空宇航科学与技术—飞行器设计]