1. A unit feedback system has a forward path of G(s) =450(s+8)(s+12)(s+15)s(s+38)(s²+2s+28)Find thesteady-state errors when it has the following inputs: 20u(t), 15t⋅ u(t), 30t² · u(t).R(s) + E(s)Y(s)G(s)

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Answered: 1. A unit feedback system has a forward…

Introductory Circuit Analysis (13th Edition)

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ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

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D) E) F) A closed loop system has no need for a reference input does not need output measurements requires a feedback loop has no feedback loops Time constant is always positive is well-defined for unstable systems may be positve or negative is negative The characteristc equation of a first order system is 4s+1=0. The eigenvalue is 4 0.25 -4 -0.25
Feedback Control B-8-1)
The steady state error for a unity feedback system for the input r(t) to the system G(s) = K(s+2)/s(s3+7s2+12s) is 6R/K. The input r (t) is, %3D K(s + 2)) s(s³ + 7s² + 12s)
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B-7–1. Consider the unity-feedback system with the open-loop transfer function: 10 G (s) = s+1 Obtain the steady-state output of the system when it is subjected to each of the following inputs: (a) r(t)=sin(t+ 30°) (b) r(t)=2cos(2t - 45°) (c) r(t)=sin(t+ 30°) - 2cos(2t -45°).
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Feedback and Control Systems Write the general form of, and determine the exact response of the capacitor voltage for the electrical network shown below. R₁ = 10 kQ ww R₂ = 10 ks C= 10 pF v(t)=u(t) L=200 H 0000
R(s) + E(s) Σ V(s) N(s) K P(s) We want to design a speed control for a DC motor. The transfer function form voltage V(s) to DC motor speed Q(s) is: N(s) 100 P(s) = V (8) 50s² + 600s + 1000 We want to design a compensator K so that the response of the feedback system to a reference step of 1-rad/sec satisfies the following requirement settling time 2/3 sec and percent overshoot 2%.
81 A unity feedback closed loop second order system has a transfer function- and is excited by a s+0.6s +9 step input of 1 unit. The steady state error of the output is
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1. A unit feedback system has a forward path of G(s) = 450(s+8)(s+12)(s+15) s(s+38)(s²+2s+28) Find the steady-state errors when it has the following inputs: 20u(t), 15t⋅ u(t), 30t² · u(t). R(s) + E(s) Y(s) G(s)