Use frequency response methods to design a cascade, single, passive lag-lead compensator for a unity feedback system
Question:
Use frequency response methods to design a cascade, single, passive lag-lead compensator for a unity feedback system with open loop transmittance
\[
\mathrm{G}(s)=\frac{\mathrm{K}}{s(s+1)(s+2)}
\]
to meet the following design goals:
(i) the ramp error coefficient \(\mathrm{K}_{v}=10 \mathrm{sec}^{-1}\)
(ii) phase margin \(\phi_{m s}=50^{\circ}\)
(iii) gain margin \(\geq 10 \mathrm{~dB}\)
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