Question: A proportional (P) controller is used to control a 4th order plant as shown. Formulate the Routh-Hurwitz (RH) array for the closed-loop system. Then,

A proportional (

A proportional ("P") controller is used to control a 4th order plant as shown. Formulate the Routh-Hurwitz (RH) array for the closed-loop system. Then, find the range of values of the parameter K for which the closed- loop system is stable. R(S) + P K plant 1 +85 +24s +32s+20 Y(s)

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