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Unformatted text preview: G ( s ) = K ( s + 2 ) s ( s4 ) . (a) Sketch the complete Nyquist plot. (b) Determine the values of K for which the closedloop system is stable without using the RouthHurwitz stability test. (c) Determine the phase crossover frequency, the gain crossover frequency, the gain margin, 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 UniversityWest Lafayette.
 Spring '08
 Staff

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