Control Systems Lab
Autor: PRUDHVI GONA • March 23, 2015 • Article Review • 2,429 Words (10 Pages) • 1,102 Views
Control Systems Lab
Experiment 7
Name of the student : G Sai Karun Reddy
ID No. : 2013A8PS453H
BATCH & TIME : PS-6 Monday 2-4pm
Contents
Control Systems Lab
Experiment 7
7. ROOT LOCUS
7.1 Root Locus Analysis of Servo Model:
7.1.1 Servo Model
7.1.2 In Lab Exercises
7.2 DC Motor with Controller
7.2.1 Modelling of DC Motor
7.2.1.1 System Equations
7.2.1.2 Transfer Function
7.2.2 In Lab Exercises
7.2.2.1 Drawing the Open-Loop Root Locus
7.2.2.2 Model Reduction
7.2.2.3 Integral Control
7.2.2.4 Proportional and Integral Control
7.2.2.5 Proportional, Integral, and Derivative Control
7.2.2.6 Finding the Gain
ROOT LOCUS
Background:
Control system engineers have utilized a number of techniques to analyze and design a controller for a typical closed loop control system. One of the most employed approach is the Root Locus. In particular, Root Locus show graphically the location of a closed loop poles through the knowledge of the open loop poles and zeros. In addition to this, it shows also the location of the closed loop poles as a loop gain k varies from zero up to infinity. Once the desired response is known, hence it will be then easy task to find from the Root Locus the associated gain to achieve such response.
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