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# 5 16 15 thus there is no control gain k that meets the

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Unformatted text preview: peciﬁcation is violated for any choice of k : but the setting time speciﬁcation is violated for any choice of k : =16 1.5. =16 1.5. Thus, there is no control gain k that meets the speciﬁcations . Thus, there is no control gain k that meets the speciﬁcations . 23. Which of the following systemssystems has/have an impulse response that canbe roughly sketched as shown has/have an impulse response that can be roughly sketched as shown 23. Which of the following on the right? the right? on (A) (E) a 1 1 1 s +s3+ 3 1 1 (B)1 (D) (D) (A) (B) (C) (C) s+1 1)( 1)(s + s +s1+ 2 s + 2 2s + 12s + 1 (s +(s + s + 2) 2) s+3 s +(E)01 s + 1.01 1. s (F) + 3 (s + 1)(2s(F) + 1) (s + 1)(2s + 1) (s + 1)(2s + 1) (s + 1)(2s + 1) 0.37a 2 t Solution: The signal shown is a typical impulse response for a ﬁrst order system with time constant Solution: The signal shownto a pole at s impulse response one a ﬁrst order systemother hand, E has 2, which translates is a typical = 0.5. Thus C is for such system. On the wi...
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