Control Systems Engineering
Control Systems Engineering
7th Edition
ISBN: 9781118170519
Author: Norman S. Nise
Publisher: WILEY
Question
Chapter 8, Problem 1RQ
To determine

The definition of root locus.

Expert Solution & Answer
Check Mark

Explanation of Solution

Root locus is a plot of system’s closed loop poles which is defined in terms of gain. From the root locus plot, the closed loop system stability is obtained for a given open loop transfer function for a unity feedback system. The plot of root locus is represented on a graph and it determines the behaviour of roots that changes with the change in gain of a system. Along with stability, it is also used to determine the damping ratio as well as natural frequency of the feedback system. Root locus can be obtained for both positive and negative feedback system.

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Chapter 8 Solutions

Control Systems Engineering

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