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Discrete robust control system with internal model

Nikolova, Nina Georgieva, (2004)
The paper presents a proof for the applicability of a method for synthesis of robust internal model control systems. The case of discrete-time systems synthesis is discussed.
Реализация на фрактален регулатор с дискретна апроксимация

Радева, Надежда Радомирова; Radeva, Nadezhda Radomirova, (2004)
In this work is proposing fractional controller realized by rational approximation of irrational function. The aim of this paper is to systemize some methods for discrete ap-proximation using numerical integration and power series expansion (PSE), discrete approximation using numerical integration and continued fraction expression (CFE). An example of realization of the particular case of digital fractional order controller is shown with PIC microprocessor and realized discrete approximation by continued fraction ex-pression of Al-Alaoui operator.
Двусвързана фрактална система за управление

Радева, Надежда Радомирова; Radeva, Nadezhda Radomirova, (2)
Here is proposed a fractional control algorithm of two-variable industrial project. The system is design with this algorithm has high-quality and robust properties. Systemize fractional-approximation algorithm realized by polynomial recursive method, In this paper are shown effective result from simulations which corroborate fractional algorithms application in control systems.