The characteristic equation of a control system is given as 1+ K(s+4)/s(s+7)(s2+2s+2)=0. The real axis intercept for root locus asymptote is:
A. -2.25
B. -1
C. -1.67
D. 0
Answer:C
The characteristic equation of a control system is given as 1+ K(s+4)/s(s+7)(s2+2s+2)=0. The real axis intercept for root locus asymptote is:
A. -2.25 B. -1 C. -1.67 D. 0
Explanation: Real axis intercept =centroid