已知单位负反馈系统被控制对象的开环传递函数
题目:
已知单位负反馈系统被控制对象的开环传递函数
kG(s), ks(0.1s，1)
1(绘制出闭环系统单位阶跃响应曲线 (1)num=[1];den=[0.1 1 1];t=0:0.001:50
step(num,den,t);
xlabel('t,c');ylabel('output'); celestron
Step Respon
1.4
1.2
System: sys
Settling Time (c): 3.591
System: sys
omg什么意思Peak amplitude: 1System: sysOvershoot (%): 8.37e-0120.8Ri Time (c): 1.98At time (c): 50
vendetta
output0.6
0.4
0.2
550
t,c (c)
(2)系统动态性能指标
最大超调量8.37e-012%
上升时间1.98s
调节时间3.59s
当阻尼比>1时,由图可知相应的单位阶跃响应是非周期的趋于稳态输出.
网络字典2.绘制根轨迹图
function prog3
num=[1];
den=[0.1 1 0];
kaihuan=tf(num,den);
[n,d]=cloop(num,den);
bihuan=tf(n,d);
rlocus(n,d);
Root Locus
饿死了英文4
3System: sysGain: 2.58Pole: -5 + 3.29iSystem: sysSystem: sys2Damping: 0.835Gain: 0.582Gain: 0.38Overshoot (%): 0.847Pole: -8.03Pole: -1.65Frequency (rad/c): 5.99Damping: 1Damping: 11Overshoot (%): 0Overshoot (%): 0Frequency (rad/c): 8.03Frequency (rad/c): 1.65
0
Imaginary Axis-1System: sysGain: 2.54Pole: -5 - 3.22i-2Damping: 0.841Overshoot (%): 0.758Frequency (rad/c): 5.95-3
-4-9-8-7-6-5-4-3-2-10
Real Axis
并分别取Kc值等于0.38、0.582、2.54、2.58时，绘出此时的单位阶跃响应曲线，分别如下:
选择K=0.38时，利用单位阶跃响应观察系统动态性能 Kc=0.38,num=[0.38];den=[0.1 1 1 0.38];t=0:0.001:10
step(num,den,t);
xlabel('t,c');ylabel('output');
Step Respon
1.4
1.2
System: sysSystem: sysFinal Value: 1Settling Time (c): 6.151
System: sys
ultravpnPeak amplitude: 1.01System: sysOvershoot (%): 1.070.8Ri Time (c): 3.92At time (c): 8.57output0.6
0.4
0.2
moreover的用法0012345678910
t,c (c)
选择K=0.582时，利用单位阶跃响应观察系统动态性能 leap year
Kc=0.582,num=[0.582;den=[0.1 1 0582];t=0:0.001:10
step(num,den,t);
葫芦丝培训xlabel('t,c');ylabel('output');
Step Respon
latinamerica1
System: sysSystem: sysFinal Value: 10.9Settling Time (c): 6.41System: sys
Ri Time (c): 3.550.8
0.7
0.6
0.5output
