ABSTRACT
The double closed loop direct current velocity modulation system is a complex
automatic control system, is in the present direct current velocity modulation system
mainstream equipment, has the velocity modulation scope width, the stability is good, the
steady fast precision higher merit, in the theory and the practice aspect all is the quite
mature system, in drives in the domain to play the extremely vital role.
Because the direct current machine double closed loop velocity modulation is each
kind of electrical machinery velocity modulation system foundation, this article has
conducted more systematic research on the direct current machine velocity modulation,
from the direct current machine basic characteristic to the single closed loop velocity
modulation system, then conducts the double closed loop direct current machine design
method research, finally uses the actual system to carry on the engineering design, and uses
MATLAB/S imulink to carry on the simulation, has analyzed in the double closed loop
velocity modulation system engineering design method because neglects the error which
creates with the simplification.
Regarding the double closed loop direct current velocity modulation system, has the
massive parameters in the design and the debugging process to need to calculate and to
adjust, the utilization tradition design method work load is big, system debugging difficulty.
This article carries on the assistance design to the double closed loop direct current velocity
modulation system, chooses the regulator structure, carries on the parameter computation
and the approximate verification, according to produces the corresponding parameter which
and calculates, establishes applies the brake, the anti- electrical network voltage perturbation
and the anti-load perturbation MATLAB/S imulink simulation model, the analysis rotational
speed and the electric current simulation profile, and carries on the debugging, enable the
double closed loop direct current velocity modulation system to tend to the consummation,
is reasonable. The simulation result has proven this method feasibility and the rationality.
K e y w or d s : e l ectrica l m a chinery , re g u l a tor, PID control,
M A T L A B /S IM U L INK
