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Relations Between Control Signal Properties and Robustness Measures

Author

Summary, in English

In this paper we consider control signal properties, such as maximum magnitude and activity, as well as system robustness measures. We derive an ideal controller and control signal for exponential disturbance rejection for a first order process with time delay. For the resulting closed-loop system, it is shown analytically that there are strong interconnections between robustness measures and control signal properties regarding load disturbance attenuation. The results imply that popular controller design methods implicitly take control signal properties into consideration.

Publishing year

2008

Language

English

Document type

Conference paper

Topic

  • Control Engineering

Keywords

  • robust time-delay systems
  • constrained control
  • Controller constraints and structure
  • disturbance rejection
  • robustness analysis.

Conference name

17th IFAC World Congress, 2008

Conference date

2008-07-06 - 2008-07-11

Conference place

Seoul, Korea, Democratic People's Republic of

Status

Published

Project

  • PID Control

Research group

  • LCCC