The Nichols diagram for Gc(jω)G(jω) of a closed loop system is shown in Figure P9.22.The frequency for each point on the graph is given in the following table:
![](https://test.transtutors.com/qimg/bf0ddd46-b322-4450-b75d-7fc6c20a7b13.png)
Determine (a) the resonant frequency, (b) the bandwidth, (c) the phase margin, and (d) the gain margin. (e) Estimate the overshoot and settling time (with a 2% criterion) of the response to a step input.
![](https://test.transtutors.com/qimg/7672bc1f-0cb4-497e-a427-bd5d10a29839.png)