Question: 10. Consider the unity feedback control system in Figure 7.62 where L(s) =G(s)G(s)= 10(s+ z) s(s+4s+8) Using the root locus method, determine that maximum value

10. Consider the unity feedback control system in Figure 7.62 where

L(s) =G(s)G(s)= 10(s+ z) s(s+4s+8) Using the root locus method, determine that

maximum value of z for closed-loop stability. a. z = 7.2 b.

L(s) =G(s)G(s)= 10(s+ z) s(s+4s+8) Using the root locus method, determine that maximum value of z for closed-loop stability. a. z = 7.2 b. z = 12.8 c. Unstable for all z > 0 d. Stable for all z > 0

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