A unity feedback control system shown in Figure AP7.14 has the process
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Design a PID controller using Ziegler-Nichols methods. Determine the unit step response and the unit disturbance response. What is the maximum percent overshoot and settling time for the unit step input?
![](https://test.transtutors.com/qimg/36ccc657-c549-4f25-828f-34532c67dfaa.png)