Prof. Corneliu BOTAN, PhD, Lecturer Florin OSTAFI, PhD
Rezumat
Se prezinta o problema de control optimal din punct de vedere energetic a unui sistem de actionare electrica.
Se are in vedere o variatie treapta a cuplului rezistent in intervalul de optimizare. Criteriul de performanta tine cont doar
pierderile Joule, deoarece acestea depasesc in mod semnificativ alte pierderi in perioada tranzitorie. Lucrarea se refera la o
structura cu control in tensiune a sistemului de actionare. Studiul se prezinta in domeniu discret.
Cuvinte cheie: actionare electricacuplu rezistent variabilcontrol optimal linear patratic discretstare finala fixata.
Abstract
The optimal control from the energetic point of view of the transient state of electrical drive systems is
presented. A step variation of the load torque in the optimization interval is considered. The performance criteria consider
only Joule losses, since they significantly overcome other ones in the transient state. The paper refers to a structure with
voltage control of the drive. The study is performed in discrete time domain.
Keywords: electrical drivevariable load torquediscrete linear quadratic optimal controlfixed end point
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