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Unformatted text preview: G ( s ) = K ( s + 2 ) s ( s-4 ) . (a) Sketch the complete Nyquist plot. (b) Determine the values of K for which the closed-loop system is stable without using the Routh-Hurwitz stability test. (c) Determine the phase crossover frequency, the gain crossover frequency, the gain mar-gin, and the phase margin when K = 6. Test 3: Date: Wednesday, February 24, 2010 Place: in class Material: Bode plot and Nyquist Plot. Only simple calculators are allowed in the test. 1...
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This note was uploaded on 02/04/2012 for the course ECE 382 taught by Professor Staff during the Spring '08 term at Purdue University-West Lafayette.
- Spring '08