PhD Stud. Eng. Gheorghe URSANU, PhD Stud. Eng. Cristina DIACONESCU, Prof. Eng. Gheorghe BALUTA PhD
Rezumat
Tendintele actuale de limitare a pulsatiilor din cuplul motarelor BLDC au avut in vedere controlul direct al
curentilor de faza ai acestuia pentru limitarea pulsatiilor ce apar la deconectarea fazelor statorice. In ultima perioada a
crescut interesul pentru controlul direct al cuplului electromagnetic dezvoltat de motoarele BLDC in detrimentul controlului
indirect al curentului tocmai in ideea de a obtine performante dinamice superioare. In acest fel asistam la o diminuare a
riplului datorat comutarii fazelor statorice si a timpului de raspuns in cuplu comparativ cu metodele PWM conventionale.
Cuvinte cheie: Masina de curent continuu fara periiControlul direct al cupluluiprocesor numeric de semnal.
Abstract
Current trends to limit the torque pulsation of BLDC motors have considered the direct control of the phase current to limitit the pulsations arising from disconnecting the stator windings. In recent years increased interest in direct control of electromagnetic torque developed by BLDC motors detrimental to indirect current has determined superior
dynamic performance. Thus we see a decrease due to switching ripple phase stator and torque response time compared to conventional PWM methods.
Keywords: Brushless machinesTorque controlDigital signal processorsDigital control.
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