P10.12 A unity feedback control system has a plant

Select a compensator G s c( ) so that the phase margin is P M. . ≥ 80°. Use a two-stage lead compensator

It is required that the error for a ramp input be 1% of the magnitude of the ramp input ( ) Kυ = 100 .

25 G(s)= s(1+0.2s) (1+0.1s)