用Popov抗干扰的模型参考自适应控制研究毕业论文（论文）.doc

燕山大学 毕业设计（论文） 用Popov抗干扰的模型参考自适应控制研究 学院（系）里仁学院电气工程系 年级专业 04级过程控制2班 学生姓名 1 指导教师 吴士昌 单位负责人 刘志新 答辩日期 2008-6-22 摘 要 自适应控制系统是一个具有一定适应能力的系统，它能够认识环境的变化，并自动校正控制动作，使系统达到最优或接近最优的控制效果。 本文主要阐述了抗干扰的模型参考自适应控制（MRAC）系统的设计方法，共分为三章。 在详细介绍系统的设计方法前，在第一章绪论介绍了MRAC系统的课题背景，原理模型和发展概况。 第二章介绍了系统设计的理论基础：正实条件和超稳定理论。 第三章先从无干扰的MRAC系统设计方法入手，由浅入深的引出抗干扰的MRAC系统设计方法。无干扰的设计方法分为适合于任意阶数的滤波导数MRAC系统设计方法和从模型取状态设计MRAC系统设计方法。MRAC系统的干扰分为可测噪声，不可测噪声两种情况，因此本文也给出了两种设计方法，且每种都给出了系统仿真及结果分析。在这一章还给出了MRAC的应用实例，以更深地了解MRAC的原理。 关键词　Popov超稳定理论；抗干扰；模型参考自适应控制 Abstract Modal Reference Adaptive Control (MRAC) system is such a system that possesses the ability of adjusting to changeful conditions. It can recognize environmental variations and act to it with self-tuning actions to come to the optimization of control. It is briefly expatiated in the article how to design the MRAC system.It has three chapters in all. Before elaborating the design methods, in the first chapter the background of this article is introduced, together with principle, modals and general development conditions. In the second chapter fundamental theory is listed: positive conditions and Popov hyperstability criteria. It is first introduced in the third chapter is the methods of the non-interference MRAC system, then slowly tells of the methods of the anti-jamming MRAC system.The non-interferences can be classed into a MRAC system design method which is suitable for arbitrarily order of filter derived number and a MRAC system design method which is taking state from the model.The interferences can be classed into predictable interferences and unpredictable interferences. So these methods are given and in each method simulation is analyzed. The third method is omitted. Practical examples are showed to learn the MRAC principle better. Keywords Popov hyperstability criteria；Anti-jamming；Modal Reference Adaptive Control 目 录 摘 要 I Abstract II 第1章 绪论 1 1.1 课题背景 1 1.2 MRAC原理和数学模型 1 1.2.1 用状态方程描述的MRAC系统 2 1