Unformatted text preview: 2. (10 points) Is the following characteristic equation stable? Do not use a root f nder, show your work. ∆ = s 3 + 16 s 2 + 65 s + 53 . 3. (10 points) Given the following openloop transfer function, for what values of k is the closedloop system stable? G p ( s ) = 1 ( s + 4) 4 ( s + 5) . 4. (10 points) Given the following openloop transfer function, for what values of k is the closedloop system stable? (Check your root locus plot with matlab for more insight). G p ( s ) = 15 ( s + 10) ( s + 20) ( s − 1) 2 ( s + 3) 1...
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 Spring '07
 Dixon

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