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Unformatted text preview: form ) 87 . ( ) 1 ( ) ( ) ( ) ( 2 + = z z z N k z H z G , where N ( z ) is a polynomial of degree not higher than 3. Complete the Nyquist Diagram and use the Nyquist Criterion to determine the range of k in which the closed-loop system is stable. = 0+ -8k 3.5k GH-plane...
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- Fall '09