、动、静态性能指标 稳、准、快 静态指标: 稳态误差:如果在稳态时,系统的输出量 与输入量不能完全吻合,就认为系统有 稳态误差。这个误差表示系统的准确度。 es=设定值实际值
l稳、准、快 l 静态指标： l 稳态误差:如果在稳态时，系统的输出量 与输入量不能完全吻合，就认为系统有 稳态误差。这个误差表示系统的准确度。 l ess =设定值-实际值
Transient Response 75 s1 Mp=maximum overshoot 1.25 0.75 0.5" 0.25 tdt甲p ts d Delay until reach 50% of steady state value t,: Rise time delay until first reach steady state value Time at which peak value is reached ts: Settling time stays within specified of steady state
: Settling time stays within specified % of steady state : Time at which peak value is reached : Rise time delay until first reach steady state value :Delay until reach 50% of steady state value s p r d t t t t 0.5 1 1.5 2 2.5 3 0.25 0.5 0.75 1 1.25 1.5 1.75 2 ts td tr tp ts Mp maximum overshoot