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Unformatted text preview: K < 0 or K > 19.69. Therefore, the closed– loop system will be stable for 0 19.69 K < < . When K = 19.69, the s 1 row becomes a row of ME 279 – Automatic Control of Mechanical Systems Professor Robert G. Landers zeros. The even polynomial is in the s 2 row and is 2 126 19.69 8 s + = . Solving for s , the frequency of oscillation is 1.118 rad/s. 2...
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 Spring '11
 LANDERS
 routh table, closed–loop transfer function

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