Title :
Optimization-based digital redesign of analogue controllers
Author :
Polyakov, K.Yu. ; Rosenwasser, E.N. ; Lampe, B.P.
Author_Institution :
Dept. of Autom. Control, State Univ. of Ocean Technol., St. Petersburg, Russia
Abstract :
A novel method is proposed for the digital redesign of analogue controllers with account for the closed-loop system performance in continuous time. The method, which is based on a two-level optimization algorithm, makes it possible to place the closed-loop poles inside a specified region of the complex plane and provides for reduced-order controllers. The effectiveness of the proposed technique is demonstrated by some well-known redesign examples.
Keywords :
closed loop systems; continuous time systems; digital control; optimisation; poles and zeros; polynomials; reduced order systems; stability; analogue controllers; closed-loop poles; closed-loop system performance; continuous time system; optimization-based digital redesign; polynomials; reduced-order controller; stability; Control systems; Design methodology; Digital control; Digital filters; Frequency; Optimization methods; Sampling methods; Stability; System performance; Transfer functions; Digital redesign; Modal control; Numerical methods; Optimization; Parametric design; Sampled-data systems;
Conference_Titel :
Decision and Control, 2009 held jointly with the 2009 28th Chinese Control Conference. CDC/CCC 2009. Proceedings of the 48th IEEE Conference on
Conference_Location :
Shanghai
Print_ISBN :
978-1-4244-3871-6
Electronic_ISBN :
0191-2216
DOI :
10.1109/CDC.2009.5400456
