Per Brushless DC motricium celeritate imperium principle, quadrata undam de Brushless DC motricium stator Current et Rotor positus stricte correspondentes relatione, motricium, sub potestate rotor magnetica polus positio deprehendatur. Iam in figuras I tres-phase inverter control Circuit de Brushless DC motricium quod exemplum explicare mutationem et distribution in PWM signum.
first determine control system adopted by the winding commutation way (If use three three phase or two in two equal), according to the winding commutation way find out three magnetic steel rotor position sensor signal relative phase sequence and its relationship with the actual rotor position, yuntai motor, further deduced them with 6 power tube conduction, the relationship between the and then Per imperium unitas ad generationem PWM waveform et distributio.
System adoptat duo duo phase curva. Using a Hall genus rotor situ detector situ signum, output ad tres mutuo missus CXX & deg; Electric angle, width CLXXX & deg; Electrical angle of rectangular unda, ut ostensum est in Figura II. PA, PB, PC ad tres modo in Rotor Position signum, quod situ Signum PRAETERMITTO potest facere signum est aliud, quod in figura
Motor scriptor System, quod aliter potest facere signum in motricium in alium potest facere signum in motricium, potest esse in signum et aliter potest
signo
, potest facere signum in potentia tubo, potest facere in signum et alium potestas in signo, potestas potestate et aliter potest signo. Therefore, must pass a running state (Positive and reverse, electrical, brake)Criterion, and then through the control logic unit to enable signal and PWM signal is assigned to each power tube, after enabling signal and PWM facies, output to the driving circuit, the control of power tube conduction and shut off.
