Unformatted text preview: ) = 1 ( s 2 + 2 s + 2)( s 2 + 2 s + 5) . (a) What is the root locus of P ( s ) ? (b) For what values of K > is the system stable? Problem 4. (12 pts) Consider the plant P ( s ) = s + 15 ( s 2 + 10 s )( s 2 + 8 s + 15) . (a) What is the root locus of P ( s ) ? (b) For what values of K > is the system stable? Problem 5. (12 pts) Consider the plant P ( s ) = s 22 s15 ( s 2 + s + 5)( s 2 + 4 s + 4) . (a) What is the root locus of P ( s ) ? (b) For what values of K > is the system stable?...
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 Spring '08
 CITRIN
 Electromagnet, Root Locus

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