Autors: Yordanova, S. T.
Title: Robust Stability of Single Input Fuzzy System for Control of Industrial Plants with Time Delay
Keywords: frequency domain, MATLAB, single input fuzzy controller design, system robust stability, temperature control, time delay

Abstract: The industrial plants are complex,nonlinear,time varying with time delay,difficult to control.The single input fuzzy controllers (SIFCs) can satisfy the high performance demands to the control systems of such plants ensuring system stability by coping with its nonlinearity and plant model uncertainty in the SIFC design.The aim of the present investigation is to derive robust stability requirements for an incremental PI-like SI FC closed loop system that serve the development of a SI FC design method for the control of industrial plants with time delay and model uncertainty.The main contributions are: 1)modification of the Popov stability approach for SIFC systems stability;2)derivation of robust stability criterion for a SIFC system and on its basis development of a SIFC tuning algorithm. The results are applied for the stabilisation of the air temperature in a furnace using MATLAB. The SI FC system preserves stability for a great range of plant uncertainties.

References

    Issue

    J. of Intell. & Fuzzy Syst., vol. 20, issue 1, pp. 29-43, 2009, Netherlands, IOS Press, ISBN ISSN: 1064-1246

    Цитирания (Citation/s):
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    Вид: статия в списание, публикация в издание с импакт фактор