描述
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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