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Unformatted text preview: 4. Assuming that all the coeﬃcients appearing in the transfer function have value 1, that is K t = K e = J = L = R = b = 1, what is the impulse response of this system? 1 2 +A B C +r y E D + + + Figure 2: Block diagram for Problem 2. Problem 2: Consider the system represented in Figure 2 with input r and output y . 1. Compute the transfer function from r to y . 2. Consider the system described by the transfer function: 2 s + 5 s 3 + ( k + 20) s 2 + 10 s + 20 For which values of k is this system stable? 3 4 Problem 3: 1. Draw a sketch of the root locus for a plant with transfer function: s + 1 ( s1)( s + 2) 2 in a unitfeedback conﬁguration. 2. Where can you place the slowest pole by choosing diﬀerent values of K ? 5 6...
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This note was uploaded on 05/10/2010 for the course EE EE141 taught by Professor Tabuada during the Spring '09 term at UCLA.
 Spring '09
 Tabuada

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