Fixed-time prescribed performance control of affine parameter-varying systems with an application in aero engines

IF 2.5 3区 计算机科学 Q3 AUTOMATION & CONTROL SYSTEMS
Jiaxi Zhang, Ji Wang, Jianping Zeng
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引用次数: 0

Abstract

This paper considers the prescribed performance problem for a class of affine parameter-varying systems. First, a novel performance function with a fixed convergence time is used to limit the system’s tracking error so that the system satisfies the steady-state and transient performance constraints. Notably, the performance function proposed in this paper converges within a fixed time, and its initial value can be automatically adjusted according to the initial tracking error. Subsequently, we transform the multi-performance constraint problem into an equivalent stabilization problem through error transformation. Finally, a method called “feedback negative definitization” is developed to design the controller, and the Lyapunov theorem is used to demonstrate the closed-loop system’s stability. Simulation examples on a numerical affine parameter-varying system and a turbofan engine system are provided to show the effectiveness of the proposed method.
仿射变参数系统的定时预定性能控制及其在航空发动机中的应用
研究一类仿射变参系统的预定性能问题。首先,采用一种新颖的收敛时间固定的性能函数来限制系统的跟踪误差,使系统满足稳态和暂态性能约束;值得注意的是,本文提出的性能函数在固定时间内收敛,并且可以根据初始跟踪误差自动调整其初始值。然后,通过误差变换将多性能约束问题转化为等效的镇定问题。最后,提出了一种“反馈负定义”方法来设计控制器,并利用李雅普诺夫定理证明了闭环系统的稳定性。通过数值仿射变参数系统和涡扇发动机系统的仿真实例,验证了所提方法的有效性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Systems & Control Letters
Systems & Control Letters 工程技术-运筹学与管理科学
CiteScore
4.60
自引率
3.80%
发文量
144
审稿时长
6 months
期刊介绍: Founded in 1981 by two of the pre-eminent control theorists, Roger Brockett and Jan Willems, Systems & Control Letters is one of the leading journals in the field of control theory. The aim of the journal is to allow dissemination of relatively concise but highly original contributions whose high initial quality enables a relatively rapid review process. All aspects of the fields of systems and control are covered, especially mathematically-oriented and theoretical papers that have a clear relevance to engineering, physical and biological sciences, and even economics. Application-oriented papers with sophisticated and rigorous mathematical elements are also welcome.
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