Description
积分时间I的影响：积分作用的强弱取决于积分时间I的大小。I大时，积分作用弱，I小时，积分作用强。一般变化趋势是I越小，积分作用越强，曲线振荡加剧，周期缩短，余差越来越小。但如果I太小，由于积分作用太强，会造成曲线剧烈振荡，反而使消除余差的时间变长。
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