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PROBLEM: A unity feedback system has the following forward transfer function: G(s): 10(s + 20)(s +30) s(s + 25)(s+35) a. Find the steady-state error for the following inputs: 15u(t), 15tu(t), and 15ru(t). b. Repeat for 10(s + 20)(s+30) S(s+25)(s+35)(s+50) G(s) ANSWERS: a. The closed-loop system is stable. For 15u(t), estep (0) = 0; for 15tu(t), eramp(0) = 2.1875; for 15(r)u(1), eparabola (0) = 00. b. The closed-loop system is unstable. Calculations cannot be made. %3D %3D

PROBLEM: A unity feedback system has the following forward transfer function: G(s): 10(s + 20)(s +30) s(s + 25)(s+35) a. Find the steady-state error for the following inputs: 15u(t), 15tu(t), and 15ru(t). b. Repeat for 10(s + 20)(s+30) S(s+25)(s+35)(s+50) G(s) ANSWERS: a. The closed-loop system is stable. For 15u(t), estep (0) = 0; for 15tu(t), eramp(0) = 2.1875; for 15(r)u(1), eparabola (0) = 00. b. The closed-loop system is unstable. Calculations cannot be made. %3D %3D

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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PROBLEM: A unity feedback system has the following forward transfer function: 10(s + 20)(s + 30) G(s): s(s + 25)(s+35) a. Find the steady-state error for the following inputs: 15u(t), 15tu(t), and 15ru(t). b. Repeat for 10(s + 20)(s + 30) S(s+25)(s+35)(s+50) G(s) ANSWERS: a. The closed-loop system is stable. For 15u(t), estep(0) = 0; for 15tu(t), eramp(0) = 2.1875; for 15(r)u(t), eparabola (0) = 0. %3D %3D b. The closed-loop system is unstable. Calculations cannot be made.
Transcribed Image Text:PROBLEM: A unity feedback system has the following forward transfer function: 10(s + 20)(s + 30) G(s): s(s + 25)(s+35) a. Find the steady-state error for the following inputs: 15u(t), 15tu(t), and 15ru(t). b. Repeat for 10(s + 20)(s + 30) S(s+25)(s+35)(s+50) G(s) ANSWERS: a. The closed-loop system is stable. For 15u(t), estep(0) = 0; for 15tu(t), eramp(0) = 2.1875; for 15(r)u(t), eparabola (0) = 0. %3D %3D b. The closed-loop system is unstable. Calculations cannot be made.
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