Test Examples(2) - Flight Control Systems Test #1 Dr....

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Flight Control Systems Test #1 Dr. Bishop - Fall 2003 Closed-book; 75 minutes 1. (33pts) Consider the control system shown in Figure 1. (a) Compute the closed-loop transfer function from the disturbance D ( s ) to the output Y ( s ). (b) Determine the ±nal value of the output y ( t ) when the disturbance d ( t ) is a ramp input. (c) Determine the range of values for K 1 and K 2 so that the closed-loop system is bounded-input, bounded-output stable. R(s) Y(s) 10 s(s +10) K 1 - + + + D(s) + + K 2 s Figure 1: Block Diagram for Problem 1. 2. (33pts) Consider the system given by Y ( s )= 10 ( s + 10)( s + 20) U ( s ) . (a) Determine a state variable model of the system in the form ˙ x = Ax + B u y = Cx + D u Clearly de±ne the state variables. (b) For the system matrix A in part (a), determine the eigenvalues. Is the system stable? Why or why not?
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1 Flight Control Systems Test #1 Dr. Bishop - Spring 2000 Closed-book; 75 minutes 1. (33pts) Consider the control system shown in Figure 1.1. (a) Compute the closed-loop transfer function from the input R ( s ) to the output Y ( s ) . (b) Determine
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This note was uploaded on 09/01/2010 for the course ASE 270L taught by Professor Dr.bishop during the Spring '10 term at University of Texas at Austin.

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Test Examples(2) - Flight Control Systems Test #1 Dr....

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