HW8 sol - ENME462 Vibrations, Spring2010...

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ENME 462 Vibrations, Controls and Optimization II Spring 2010 Homework 8 Page 1 of 9 Dr. S Bergbreiter Homework 8: Frequency Response Due Wednesday, April 21 by 5pm in drop box outside 2170 Martin *Include your name, section and the date on each assignment and draw a box around your answer! Include your hours spent on this homework in the upper right hand corner 1. Using the system below from your previous homework assignment, () ( ) t et K J sbL sR KK  c G K t = K e = 0.01 Nm/A, J = 0.01 kgm 2 /s 2 , b = 0.1 Nms, L = 0.5 H, R = 1 a. Sketch an asymptotic approximation of the Bode plot for the DC motor only.
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ENME 462 Vibrations, Controls and Optimization II Spring 2010 Homework 8 Page 2 of 9 Dr. S Bergbreiter b. Sketch the Bode plot for Gc*G if you add a controller Gc = 100. What has happened to the magnitude and phase of Gc*G?
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ENME 462 Vibrations, Controls and Optimization II Spring 2010 Homework 8 Page 3 of 9 Dr. S Bergbreiter c. Sketch the Bode plot if you add a controller Gc = (s + 100). What has happened to the magnitude and phase of Gc*G?
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ENME 462
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HW8 sol - ENME462 Vibrations, Spring2010...

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