Determine the centroid of the root locus for the system having G(s)H(s) = K/(s+1)(s2+4s+5)
A. -2.1
B. -1.78
C. -1.66
D. -1.06
Answer:C
Determine the centroid of the root locus for the system having G(s)H(s) = K/(s+1)(s2+4s+5)
A. -2.1 B. -1.78 C. -1.66 D. -1.06
Explanation: Roots of the open loop transfer function are -1,-2+j, -2-j then centroid =Σreal part of open loop pole-Σreal part of open loop zeroes/P-Z