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G(s)= 60Ka / s(s+2)(s+6)

what is the numerator you have to use in MATLAB

its givin me a headacheeeee

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- Thread starter bick
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- #1

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G(s)= 60Ka / s(s+2)(s+6)

what is the numerator you have to use in MATLAB

its givin me a headacheeeee

- #2

MATLABdude

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If, on the other hand, you're supposed to SOLVE for Ka, they usually tell you what the gain at DC is (i.e. s=0)

EDIT: And welcome to PhysicsForums!

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If, on the other hand, you're supposed to SOLVE for Ka, they usually tell you what the gain at DC is (i.e. s=0)

EDIT: And welcome to PhysicsForums!

Complementing this answer. If you want the root locus, simply use 1 as numerator. After you find the gain that satisfies your specifications, divide it by 60 to obtain Ka.

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