MEM355W07-08.HW3.soln_stud

MEM355W07-08.HW3.soln_stud - { (9 4) / (1 )} K K K-+ . For...

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MEM 355: Performance Enhancement of Dynamic Systems Home work #3 (due 01/30/08) solution
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Problem 7. Problem 9: Root locus The characteristic equation is 2 2 2 ( 4) ( 9) (1 ) (4 9 ) 0 s K s K s K + + - = + + - = , whose roots are
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Unformatted text preview: { (9 4) / (1 )} K K K-+ . For K<4/9 , there are pure imaginary roots, for K=4/9, double roots at origin, and for K>4/9 , one unstable root....
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This note was uploaded on 07/07/2008 for the course MEM 355 taught by Professor Kwatny during the Spring '07 term at Drexel.

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MEM355W07-08.HW3.soln_stud - { (9 4) / (1 )} K K K-+ . For...

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