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The Internal Model Principle of Control Theory: an Introduction

来源:机电工程学院          点击:
报告人
W.M. Wonham
时间
7月9日20:00
地点
腾讯会议直播
报告时间

讲座名称The Internal Model Principle of Control Theory: an Introduction

讲座时间:2020-07-09 20:00

讲座人:W.M. Wonham

讲座地点:腾讯会议直播(ID:410 999 830)


讲座人介绍:

W.M. Wonham教授是加拿大皇家科学院院士,美国工程院外籍院士,IEEE终身会士。他于1956年获得麦吉尔大学的工程物理学学士学位,并于1961年获得了剑桥大学(英国)的控制工程博士学位。从1961年到1969年,他与美国几个控制研究小组有联系,这些研究小组包括高级研究所(RIAS),布朗大学的应用数学系和NASA的电子研究中心。自1970年以来,他一直是多伦多大学电气与计算机工程系系统控制的教员。他于1996年成为“大学教授(University Professor)”。

Wonham的研究兴趣包括随机控制和过滤,几何多变量控制以及离散事件系统。他是《Linear Multivariable Control: A Geometric Approach》(Springer-Verlag:3rd edn 1985)的作者,还是《Nonblocking Supervisory Control of State Tree Structures》(Springer-Verlag:2005)的合著者(与C. Ma合作)。 与“Kai Cai”合著(“Supervisor Localization: A Top-Down Approach to Distributed Control of Discrete-Event Systems”(Springer-Verlag:2015年),以及“Supervisory Control of Discrete-Event Systems”,在1997-2015年间每年更新。他在期刊上发表了100多篇研究文章,并指导了60多名硕士和博士学位候选人。


讲座内容:

The Internal Model Principle (IMP) of control theory states (informally) that "a good controller incorporates a model of the dynamics that generate the signals which the control system is intended to track." Briefly, the controller contains a model of its "exosystem", or "outside world." While formal statements have appeared in the control literature starting in the 1970s, these have been developed only within rather specialized frameworks such as linear multivariable systems or certain nonlinear systems defined on smooth manifolds.

Our aim in this lecture is to sketch a version of the IMP in as elementary a setting as possible, namely just that of plain sets and functions. In particular we discuss the necessity of feedback, and how from feedback structure the controller's internal model structure can be naturally

derived. While many questions remain open, this setting has the appeal of being universal and readily specialized. We conclude with a brief summary of current research topics.


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