Earticle

초록

영어

In this paper, performance assessment methods of multivariable control system subject to piecewise constant time varying disturbance dynamics has been studied. The problem appeared on most industrial controllers are linear time invariant (LTI) while the process are often time varying. Take a series of disturbance dynamics that can be modelled by piecewise linear disturbance models, namely piecewise linear time varying (LTV) disturbance dynamics. The problem is formulated as searching for a multi-input multi-output (MIMO) benchmark control. In the paper, a method, which is based on output variance limit, is proposed to assess the performance of MIMO control system. A weighted performance index is constructed through dividing time varying disturbance in to three types of constant disturbance. The upper and lower limits of the output variance would be determined by a special principle, and then Integral of time-weighted absolute value of the error (ITAE) would be used to optimize the parameters of controller and give the feasible controller model. The results show that the method is simple and available in practical application.

목차

Abstract
 1. Introduction
 2. Review of Multivariate Controller Performance Assessment
  2.1. Interactor matrix
  2.2. Conventional algorithm with MVC benchmark
 3. LTVD Benchmarks for MIMO Processes
  3.1 process description
  3.2 determination of the upper and lower limit of the variance
  3.3 calculation of MIMO performance assessment
 4. Simulation example
  4.1 performance calculation
  4.2 performance assessment calculation
 5. Conclusion
 References

키워드

저자

• Jian Chu [ Keylaboratory of Information Sensing&Intelligent Control, Tianjin University of Technology and Education, Tianjin, 300222, China ]

참고문헌

발행기관

간행물

표지보기 관심저널 등록

• 간행물명

  International Journal of Control and Automation

• 간기

  월간

• pISSN

  2005-4297

• 수록기간

  2008~2016

• 십진분류

  KDC 505 DDC 605