作者angel7563 (我需要勇敢的力量)
看板Grad-ProbAsk
标题[问题] 自控问题
时间Fri Mar 20 20:12:01 2009
(1)
10
T (s) = ---------------------
2
s + 2s + 10
find forced sinusoidal response of the system when a cosine
o
input signal r(t) = 10 cos (5t + 46.3 )
-1 2 o
note : tan ( --- ) = 33.7
3
不太懂这题要怎麽解??
(2)
2
s + 2s + 3
T(s) = -------------------
3 2
s + 2s + 3s + 4
write the state equation of the system in phase variables form.
--
※ 发信站: 批踢踢实业坊(ptt.cc)
◆ From: 61.227.14.95
1F:推 iamjuju:1.频率响应,利用W=5求出大小跟相位带进去,波德图前面有 03/25 03:38
2F:→ iamjuju:2.转成可控制典型式即可 03/25 03:41