The DC drift and initial problems of pure integrator were overcome, and the magnitude and the phase error of one-order low pass filter eliminated by using a novel integration method.
利用改进的磁通积分算法，克服了纯积分器直流漂移和初始值问题，消除了一阶低通滤波器的幅值和相位偏差。
2
The modified integrator eliminated the initial value and DC drift problems associated with the pure integrator, and achieved a better performance than lowpass filter.
该改进型积分器消除了纯积分器带来的初值不准确、直流偏移等问题，又可以获得比低通滤波器更优的性能。
3
In addition, our integrator function may automatically control the change of controlled output due to ambient temperature drift and no parameter re-adjustment was needed.