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ctrlhelp10
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Homework Statement
Design a lag-lead compensator for the system of Figure 9.37 so that the system will operate with 20% overshoot and a twofold reduction in settling time. Further, the compensated system will exhibit a tenfold improvement in steady-state error for a ramp input.
Homework Equations
##\zeta=\frac{-ln(\frac{percentOS}{100})}{\sqrt(\pi^2+ln^2(\frac{percentOS}{100}))}##
The Attempt at a Solution
Using the equation and 20% overshoot, ##\zeta = 0.456##. How do I find the dominant poles by hand, WITHOUT matlab? Every single example in my book and the ones I've tried looking for online ALL use Matlab...