Exam 1 Spring 2005 - Write the final result as a ratio of...

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ECE 313 – Spring 2005 Name:_____________ Exam #1 (20 points) ID:________________ Monday, February 7, 2005 50 minutes Closed book. Closed notes. Closed friend. No computers, calculators, cell phones, pagers, palm pilots, etc. – i.e., no electrical devices of any sort are permitted. Only one 8.5” x 11” cheat sheet, double-sided, is allowed. Show all work.
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Problem 1 (3 points): Use partial fraction expansions to evaluate the time function y(t) that represents the response of the transfer function ) 4 )( 3 )( 2 ( ) 1 ( ) ( + + + + = s s s s s A to a unit step input x(t) = u(t).
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Problem 2 (4 points): Using Mason’s rule, determine the transfer function C(s)/R(s) for the signal flow graph depicted below.
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Unformatted text preview: Write the final result as a ratio of polynomials such that all powers of s are positive. Problem 3 (4 points): Draw the free body diagram and compute the transfer function X 2 (s)/F(s) for the translational mechanical system shown below. Problem 4 (5 points): A DC motor drives the rotating mechanical system depicted below. a) Draw the free body diagram for the inertias J 1 and J 2 . b) Find the transfer function G(s) = 1 (s)/T(s). c) Evaluate the overall system transfer function 1 (s)/E a (s). Problem 5 (4 points): Draw the free body diagram and evaluate the transfer function 1 (s)/T(s) for the rotational mechanical system shown below....
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This note was uploaded on 09/21/2010 for the course ECE 313 taught by Professor Gokcek,c during the Fall '08 term at Michigan State University.

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Exam 1 Spring 2005 - Write the final result as a ratio of...

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