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Unformatted text preview: K s ( s 2 + 3 s + 3) in the forward path, where K 0. (a) Find the range of K for stability. (b) Find the frequency of oscillation when the system is marginally stable. (c) What is the system type? (d) Find K p , K v and K a . (e) Find the steady state error for an input of 10 u ( t ) and 10 tu ( t ). (f) Can you choose K such that the steady state error is less than 0 . 1 in each of the two cases of part (e)? 3. Problem 40 of Chapter 7: Parts (a), (c), and (e) only. 1...
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 Fall '08
 Gokcek,C

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