相位滞后校正装置60.ppt

一、相位滞后校正装置;;二、相位滞后校正网络的特性;⒉ Bode图;滞后校正环节的极坐标图如下：;三、基于频率响应法的滞后校正;③ 选择一新的幅值穿越频率点wc2，使得在w = wc2处原系统的相位滞后量为：;⑤ 选择校正网络零点;⑥ 画出校正后的Bode图，确定此时的幅值穿越频率wc2和相位裕量g2，校验系统的性能指标。一定要校验，不满足重做。;[例]已知一单位反馈系统的开环传递函数为 。试设计一个相位滞后校正装置满足: ⑴相位裕量大于45°； ⑵对单位速度函数输入，输出的稳态误差小于或等于0.01rad。;wc1＝47 g1=28°;③ 选择一新的幅值穿越频率点wc2，使得在w = wc2处原系统的相位滞后量为：;⑤ 选择校正网络零点;wc1＝47 g1=28°;15;校正前闭环极点为 s1,2=－12.5±48.4j，z= 0.25;校正前闭环极点为 s1,2=-12.5±48.4j，z=0.25;四、相位滞后校正对系统的影响和限制;五、相位超前和相位滞后校正小结;;bReUiYl$p*t+w~A.E1H5L8OcSfWjZn%q)u=yB:F2I6M9QdThXk!os-v`zC0G3K7NbReViYm$p(t+x~A.E1H5L8PcSgWj#n%r)u=yB:F2J6MaQdUhXl!os-v`zD0G4K7ObRfViYm$p(t+x~A;E1I5L9PcTgWj#n%r)u@yC:F3J6NaQdUhXl!o*s-w`z.D0H4K7ObRfViZm$q(t=x~B;E1I5L9PcTgWk#nr)v@yC:F3J6NaQeUhYl!p*s+w`z.D0H4K8ObSfVjZm%q(t=x~B;E2I5M9PdTgXk#nr)v@yC:G3J7NaReUiYl!p*s+w`A.D1H4L8OcSfVjZm%q(u=xB;F2I6M9PdTgXk#or-v@zC0G3J7NaReUiYl$p*t+w~A.E1H4L8OcSfWjZn%q)u=yB;F2I6M9QdThXk!os-v@zC0G3K7NbReViYm$p*t+w~A.E1H5L8PcSgWj#n%q)u=yB:F2J6MaQdUhXk!os-v`zD0G4K7ObReViYm$p(t+x~A;E1I5L8PcSgWj#n%r)u@yC:F3J6MaQdUhXl!o*s-w`z.D0G4K7ObRfViZm$q(t=x~A;E1I5L9PcTgWk#nr)u@yC:F3J6NaQeUhYl!p*s-w`z.D0H4K8ObSfVjZm$q(t=x~B;E2I5M9PdTgWk#nr)v@yC:G3J7NaQeUhYl!p*s+w`A.D1H4K8ObSfVjZm%q(u=xB;F2I5M9PdTgXk#or-v@zC:G3J7NaReUiYl$p*t+w`A.D1H4L8OcSfWjZn%q(u=xB;F2I6M9QdThXk!or-v@zC0G3K7NbReViYl$p*xB;E2I5M9PdTgXk#or-v@zC:G3J7NaReUiYl$p*t+w`A.D1H4L8OcSfWjZn%q(u=xB;F2I6M9QdThXk#or-v@zC0G3K7NbReViYl$p*t+w~A.E1H5L8PcSfWjZn%q)u=yB:F2J6M9QdThXk!os-v`zD0G3K7NbReViYm$p(t+x~A;E1H5L8PcSgWj#n%r)u@yB:F2J6MaQdUhXl!o*s-v`zD0G4K7ObRfViZm$p(t+x~A;E1I5L9PcTgWk#n%r)u@yC:F3J6NaQeUhXl!o*s-w`z.D0H4K8ObRfViZm$q(t=x~B;E2I5L9PcTgWk#nr)v@yC:G3J6NaQeUhYl!p*s+w`A.D0H4K8ObSfVjZm%q(u=x~B;E2I5M9PdTgXk#or)v@yC:G3J7NaReUiYl$p*s+w`A.D1H4L8OcSfWjZm%q(u=xB;F2I6M9QdTgXk#or-v@zC0G3K7NaReUiYl$p*t+w~A.E1H5L8OcSfWjZn%q)u=yB:F2I6M9QdThXk!os-v`zC0G3K7NbReViYm$p(t+w~A.E1H5L8PcSgWj#n%r)u=yB:F2J6MaQdUhXl!os-v`zD0G4K7ObRfViYm$p(t+x~A;E1I5L9PcSgWj#n%r)u@yC:F3J6NaQdUhXl!o*s-w`z.D0H4K7ObRfViZm$q(t=x~B;E1I5L9PcTgWk#nr)v@yC:F3J6NaQeUhYl!p*s+w`z.D0H4K