Irina COJUHARI (Republica Moldova)
Rezumat
In lucrare se propune un algoritm de acordare a regulatoarelor tipizate P, PI, PID in sisteme de reglare in cascada cu doua bucle de reglare. Procesul condus se prezinta prin doua subprocese cu inertie, timp mort si astatism. Pentru acordarea regulatoarelor in conturul interior si conturul exterior se utilizeaza metoda gradului maximal de stabilitate. In conturul interior se propune de a acorda regulatoare P, PI, iar in conturul exterior se propune de a acorda regulatoarele P, PI si PID.
Cuvinte cheie: metoda gradului maximal de stabilitatecontur interior si exteriorreglare in cascadaacordarea regulatoarelor
Abstract
This paper proposes a tuning algorithm of linear controllers P, PI, PID in the multiple-loop feedback control systems. The control object consists of two subprocesses, which are described by the dynamical models with astatism, inertia and time delay.
The controllers in the internal contour and in the external contour tuning use the maximal stability degree method. The P and PI controllers are used in the internal contour and the P, PI, PID controllers are used in the external contour.
Keywords: multiple-loop feedback control systeminternal contourexternal contourmaximal stability degree method
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