A learning method for multivariable PID control synthesis based on estimated plant Jacobian

  • Byeong-Mook Chung
  • Yoon-Kyu Lim
  • Gregory D. Buckner
Regular Papers Control Theory

Abstract

Despite decades of research involving optimal control of multivariable systems, such controllers require accurate linear models of the plant dynamics. Real systems contain nonlinearities and high-order dynamics that may be difficult to model using conventional techniques. This paper presents a novel learning control (LC) method for PID controllers that doesn’t require explicit modeling of the plant dynamics. This method utilizes gradient descent techniques to iteratively reduce an error-related objective function. Simulations involving a hydrofoil catamaran show that the proposed PID-LC algorithm improves controller performance compared to LQR controllers derived from multivariable models.

Keywords

Hydrofoil catamaran Jacobian sign learning method PID control 

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Copyright information

© Institute of Control, Robotics and Systems and The Korean Institute of Electrical Engineers and Springer Berlin Heidelberg 2009

Authors and Affiliations

  • Byeong-Mook Chung
    • 1
  • Yoon-Kyu Lim
    • 2
  • Gregory D. Buckner
    • 3
  1. 1.School of Mechanical EngineeringYeungnam UniversityGyeongsan, GyeongbookKorea
  2. 2.Ulsan Industry Promotion FoundationUlsanKorea
  3. 3.Department of Mechanical and Aerospace EngineeringNorth Carolina State UniversityRaleighUSA

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