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A Software Tool for Robust PID Design

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Author

Summary, in English

This paper presents a fast, interactive and easily modifiable software tool for robust PID design. The Matlab based program is supposed to give people with moderate knowledge on PID control a possibility to learn more and also be a future part of an autotuner. The PID design is made by minimizing the integrated absolute error value during a load disturbance on the process input. The optimization is performed with H-infinity constraints on the sensitivity and complementary sensitivity function, providing a robust closed loop system. Nelder Mead optimization is used with the AMIGO method providing an initial controller. The proposed method works well, and is very efficient, on a large batch of systems common in process industry.



The design tool is also shown to work on a highly oscillatory process model.

Publishing year

2008

Language

English

Document type

Conference paper

Topic

  • Control Engineering

Keywords

  • Process Control
  • PID Control
  • Disturbance rejection
  • Algorithms and software
  • Autotuning
  • Robust control

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

Research group

  • LCCC