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Control Engineering

Control Engineering. Instructor: Prof. S.D. Agashe, Department of Electrical Engineering, IIT Bombay. The course deals with topics in control systems: industrial control examples and modern control problems; basic characteristics of feedback control systems - stability, steady-state accuracy, transient accuracy, time response of second-order systems, steady-state errors and error constants; frequency response analysis - relationship between time and frequency response, Polar plots, Bode plot, stability in frequency domain, Nyquist plots, Nyquist stability criterion; State variable analysis - state variable, state model, state models for linear continuous time functions; introduction to optimal control and nonlinear control. (from nptel.ac.in)

Lecture 28 - Second-Order System Response in s-Domain

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Lecture 01 - The Control Problem

Lecture 02 - Some More Examples

Lecture 03 - Different Kinds of Control Systems

Lecture 04 - History of Feedback

Lecture 05 - Modern Control Problems

Lecture 06 - DC Motor Speed Control

Lecture 07 - System Modelling, Analogy

Lecture 08 - Causes of System Error

Lecture 09 - Calculation of Error

Lecture 10 - Control System Sensitivity

Lecture 11 - Automatic Control of DC Motor

Lecture 12 - Proportional Control

Lecture 13 - Non-unity Feedback

Lecture 14 - Signal Flow Graph

Lecture 15 - Mason's Gain Formula

Lecture 16 - Signal Flow Graph for DC Motor Control

Lecture 17 - Steady State Calculations

Lecture 18 - Differential Equation Model and Laplace Transformation Model

Lecture 19 - D-Operator Method

Lecture 20 - Second-Order System Response

Lecture 21 - Frequency Response

Lecture 22 - Laplace Transformation Theorems

Lecture 23 - Final Value Theorem

Lecture 24 - Transfer Function and Pole-Zero Diagram

Lecture 25 - Good Poles and Bad Poles

Lecture 26 - Signal Flow Graph with Transfer Functions

Lecture 27 - s-Domain and t-Domain

Lecture 28 - Second-Order System Response in s-Domain

Lecture 29 - Integral Feedback

Lecture 30 - Root-Locus Method

Lecture 31 - Root-Locus Rules

Lecture 32 - Asymptotes of Root Locus

Lecture 33 - Routh Array

Lecture 34 - Singular Cases

Lecture 35 - Closed Loop Poles

Lecture 36 - Controller in the Forwarded Path

Lecture 37 - Mapping of Control in the Complex-Plane

Lecture 38 - Encirclement by a Curve

Lecture 39 - Nyquist Criterion

Lecture 40 - Application of the Nyquist Criterion

Lecture 41 - Polar Plot and Bode Plots

Lecture 42 - Logarithmic Scale for Frequency

Lecture 43 - Asymptotic dB Gain

Lecture 44 - Compensating Network

Lecture 45 - Nichols Chart

Lecture 46 - Time Domain Methods of Analysis and Design

Lecture 47 - State Variable Equations