摘要
针对传统特征结构配置方法鲁棒性不强的缺点,提出一种基于L1自适应补偿器的鲁棒特征结构配置方法.将总控制器分成特征结构配置控制器和L1自适应补偿器,前者用于保证系统稳定和满足性能指标,后者用于抵消系统中的不确定性;给出各控制器的详细设计步骤,并对总控制器的稳定性和性能进行分析;将所设计的控制器用于飞行器姿态角控制,并与传统特征结构配置控制器进行比较.仿真结果表明,所提出的鲁棒特征结构配置控制方法能够在保证系统性能的同时显著提高系统的鲁棒性.
Since the robustness of nominal eigenstructure assignment(EA)approach is insufficient,a robust EA approach based on the L1 adaptive compensator is proposed.The total controller is divided into an EA controller and a L1 adaptive compensator.The former is used to ensure system stability and meet performance,and the latter is used to offset uncertainty in the system.The design steps of each controller are given in detail,and the stability and performance of the total controller are analyzed.Comparing with the nominal eigenstructure assignment,the applications of the proposed controller for aircraft attitude control are discussed.The simulation results show that the proposed approach is able to guarantee the performance and improve the robustness of the system significantly.
作者
陈海
何开锋
钱炜祺
郑凤麒
CHEN Hai;HE Kai-feng;QIAN Wei-qi;ZHENG Feng-qi(Computational Aerodynamics Research Institute,China Aerodynamics Research and Development Center,Mianyang 621000,China)
出处
《控制与决策》
EI
CSCD
北大核心
2019年第10期2256-2262,共7页
Control and Decision
基金
国家自然科学基金项目(11532016)
中国博士后科学基金项目(2015M582810)
关键词
特征结构配置
L1自适应补偿器
姿态角控制
飞行器
鲁棒性
eigenstructure assignment
L1adaptive compensator
attitude control
flight vehicle
robustness
