输入饱和辅助系统matlab
时间: 2023-08-24 19:21:46 浏览: 126
在Matlab中输入饱和辅助系统,可以使用以下代码:
```matlab
s = tf('s'); % 定义s为Laplace变换变量
Kp = 1; % 比例控制器增益
Ki = 1; % 积分控制器增益
Kd = 1; % 微分控制器增益
C = Kp + Ki/s + Kd*s; % PID控制器
G = tf([1], [1 1 0]); % 系统传递函数
sys = feedback(C*G, 1); % 闭环系统
step(sys); % 绘制阶跃响应曲线
```
这段代码中,首先定义了Laplace变换变量s,然后设定了比例、积分和微分控制器增益分别为1,将它们组合起来形成PID控制器。接着,定义了系统的传递函数为1/(s^2+s),即二阶系统。最后,使用feedback函数将控制器和系统组合成闭环系统并绘制阶跃响应曲线。
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