描述
在整定参数无把握的情况下,一般都不宜把初始试验参数放得太灵敏,例如比例度不宜放得太小,以免系统出现振荡。一般作法是在手动控制时,阀门需要开得较大者,P值(比例度)可选得小一些;阀门不需要开得较大者,P值(比例度)可逃得大一些。
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