10年,控制工程基础MATLABF仿真实验报告
n(s)0.42527s2 107.978s 415.3
则系统闭环传递函数: 32
Ui0.000072s 0.018s 8.315s 32.4806
4)PI调节传递函数
0.047s 1
0.018s
n(s)0.078076s2 21.1803s 415.3
则系统闭环传递函数:
Ui0.000072s3 0.018s2 1.526588s 32.4806
直接在MATLAB里建立四个闭环系统的模型,编程如下:
num1=[0.091366,24.5027,415.3];
den1=[0.000016,0.004,1.786433,32.4806]; num2=[0.016612,5.8142,415.3];
den2=[0.000016,0.004,0.324806,32.4806]; num3=[0.42527,107.978,415.3];
den3=[0.000072,0.018,8.315,32.4806]; num4=[0.078076,21.1803,415.3];
den4=[0.000072,0.018,1.526588,32.4806]; hold on;
step(num1,den1); gtext('1')
step(num2,den2); gtext('2')
step(num3,den3); gtext('3')
step(num4,den4); gtext('4') grid hold off
并将其单位阶跃输入的时域响应曲线作在一张图上如下所示:
系统单位阶跃时域响应曲线
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