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# Find the condition on be zero w v 0 by denition that

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Unformatted text preview: et all the other inputs in the 28. Find the condition on be zero (w = v = 0). By deﬁnition that we see that E/R = system. is stable. start the parameters a and b such of e, the closed-loop 1 Y /R Hence, we block diagram to writing down the equation for Y as follows: 29. What is the system type for tracking? Assume stability and a 6= 0. Y = GU = GD(R H Y ). 30. What are the steady state errors for the step, ramp, and parabolic reference inputs? Assume that 7 a 6= 0, a 6= 10, and the system is stable. kp, kv, ka 31. Assume a 6= 0 and H (s) = 1, and ﬁnd the error constants. e(inf)=s.E(s) 32. Assume a 6= 0 and H (s) = 1, and ﬁnd the steady state errors for the step, ramp, and parabolic inputs. 33. Assume that the closed-loop system is stable, r = v = 0, and a 6= 0. Which of the following signals converge(s) to zero in response to a step input in w? (A) u (B) y (C) x (D) None of these 3 (E) All of these 34. Consider the second-order system G( s ) = 1 s 2 + 2⇣ s + 1 We would like to add a transfer function of...
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