MDX61B0370-503-4-0T增益(Gain,放大系数,比例常数) 增益与偏差(给定与反馈的差值)的乘积作为控制器输出中的比例部分。提高响应速度,减少误差,但不能稳态误差,当比例作用过大时,系统的稳定性下降。 积分时间:偏差值恒定时,积分时间决定了控制器输出的变化速率。积分时间越短,偏差得到的修正越快。过短的积分时间有可能造成不稳定。 积分时间的长度相当于在阶跃给定下,增益为“1”的时候,输出的变化量与偏差值相等所需要的时间,也就是输出变化到二倍于初始阶跃偏差的时间。 如果将积分时间设为大值,则相当于没有积分作用。
MDX61B0370-503-4-0T
MDX61B0370-503-4-0T
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