论文:2018,Vol:36,Issue(1):117-123
引用本文:
刘璟龙, 文婧, 刘小雄, 何启志. 基于改进自适应反步和动态控制分配的指令跟踪方法研究[J]. 西北工业大学学报
Liu Jinglong, Wen Jing, Liu Xiaoxiong, He Qizhi. A Modified Backstepping Control and Dynamic Control Allocation Method for Command Tracking[J]. Northwestern polytechnical university

基于改进自适应反步和动态控制分配的指令跟踪方法研究
刘璟龙1, 文婧2, 刘小雄1, 何启志1
1. 西北工业大学 自动化学院, 陕西 西安 710129;
2. 中国人民解放军陆军防化学院 指挥系, 北京 102205
摘要:
用改进的反步控制(backstepping)和动态控制分配(dynamic control allocation,DCA)相结合的方法使某战斗机在不同的飞行条件下能够自适应地跟踪不同的指令。首先介绍了经典的李雅普诺夫方法以及经典的反步控制方法,然后提出了适用于一般飞控系统模型的改进反步控制方法,最后针对一般控制分配方法无法补偿忽略舵机动态的问题,介绍了一种动态控制分配方法,并将其成功应用于整个闭环系统的设计中。通过反步法保留了系统中稳定的非线性项,将不稳定的非线性项消去,又通过动态分配使忽略舵机惯性造成的影响最小。仿真结果表明所设计的闭环方案具有良好的响应特性,在不同的飞行条件下均可以实现对指令信号的良好跟踪,并具有一定的鲁棒性。
关键词:    李雅普诺夫方法    反步控制    控制分配    舵机动态    指令跟踪   
A Modified Backstepping Control and Dynamic Control Allocation Method for Command Tracking
Liu Jinglong1, Wen Jing2, Liu Xiaoxiong1, He Qizhi1
1. School of Automation, Northwestern Polytechnical University, Xi'an 710129, China;
2. Chemical Defense Command Department, Institute of NBC Defense of PLA, Beijing 102205, China
Abstract:
This paper uses the modified Backstepping (BS) Control method and the Dynamic Control Allocation (DCA) method to solve the problem that when the fighter aircraft under different flight conditions, it will be adaptively tracking different commands. Firstly, we introduce the classical Lyapunov method and classical backstepping control method, and then propose a modified backstepping control method to be applied by general flight control system model. Finally, for the problem that the common control allocation method can't compensate for ignoring the actuator dynamics, a dynamic control allocation method is introduced, and it is successfully applied to the design of the whole closed loop control system. The controller reserves the stable nonlinear term of the system, eliminates the unstable nonlinear term, and minimize the impact of ignoring the actuator dynamic through the dynamic allocation. The simulation results show that the methods in this paper have a good response. It can be implemented in different flight conditions with a good performance of command tracking and lots of robustness.
Key words:    Lyapunov method    backstepping    control allocation    actuator dynamic    command tracking   
收稿日期: 2017-05-04     修回日期:
DOI:
基金项目: 国家自然科学基金(61573286)、航空科学基金(20140753012)资助
通讯作者:     Email:
作者简介: 刘璟龙(1988-),西北工业大学博士研究生,主要从事飞行控制方法研究。
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