6) The following is a block diagram of a feedback control for a DC motor Voltage e(s) speed 5 350(1– u) 30s +1 Uc(s) Voltage rpm/min 1/350 i) Assuming there is no load (i.e. u=0), Simplify the diagram and find out the closed loop transfer function. Find out the closed-loop time constant and the closed loop system gain. If the load changes, say u=0.5, how does it affect the closed-loop time constant and the closed-loop system gain? ii) 111) What are the main advantages of the feedback system compared with the motor alone?

6) The following is a block diagram of a feedback control for a DC motor Voltage e(s) speed 5 350(1– u) 30s +1 Uc(s) Voltage rpm/min 1/350 i) Assuming there is no load (i.e. u=0), Simplify the diagram and find out the closed loop transfer function. Find out the closed-loop time constant and the closed loop system gain. If the load changes, say u=0.5, how does it affect the closed-loop time constant and the closed-loop system gain? ii) 111) What are the main advantages of the feedback system compared with the motor alone?

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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