Robust PI Control Design Using Particle Swarm Optimization release_ijobaxikqjcozlj5xys2hjueq4

by Saeed Tavakoli, Amir Banookh

Released as a article .



This paper presents a set of robust PI tuning formulae for a first order plus dead time process using particle swarm optimization. Also, tuning formulae for an integrating process with dead time, which is a special case of a first order plus dead time process, is given. The design problem considers three essential requirements of control problems, namely load disturbance rejection, setpoint regulation and robustness of closed-loop system against model uncertainties. The primary design goal is to optimize load disturbance rejection. Robustness is guaranteed by requiring that the maximum sensitivity is less than or equal to a specified value. In the first step, PI controller parameters are determined such that the IAE criterion to a load disturbance step is minimized and the robustness constraint on maximum sensitivity is satisfied. Using a structure with two degrees of freedom which introduces an extra parameter, the setpoint weight, good setpoint regulation is achieved in the second step. The main advantage of the proposed method is its simplicity. Once the equivalent first order plus dead time model is determined, the PI parameters are explicitly given by a set of tuning formulae. In order to show the performance and effectiveness of the proposed tuning formulae, they are applied to three simulation examples.
In text/plain format

Archived Files and Locations

application/pdf  217.9 kB
file_qq7npsqbjjbppkfgqqlkuhya3m (repository) (webarchive)
Read Archived PDF
Type  article
Stage   submitted
Date   2010-06-14
Version   v1
Language   en ?
arXiv  1006.2805v1
Work Entity
access all versions, variants, and formats of this works (eg, pre-prints)
Catalog Record
Revision: e3d2f822-6042-4859-8cad-834645084599