Basic Concepts  Block diagram representation of control systems  Transfer functions  Analysis of block diagrams  P, PI and PID controllers ( Continuous.

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Presentation transcript:

Basic Concepts  Block diagram representation of control systems  Transfer functions  Analysis of block diagrams  P, PI and PID controllers ( Continuous and discrete forms)  Stability of feedback control systems

Basic Block Diagram

PID:Process Instrumentation Diagram

Block Diagram of Feedback Control System

Laplace Transform

Common Signals

Properties of Laplace Transform

Transfer functions

Proportional Control

Proportional Integral Control

Proportional Integral Derivative (PID) Control

Common Transfer Functions

First-Order Plus Dead-Time (FOPDT)

Stability of Systems

Location of pole

Generalization

Stability and Pole Location

Stability of Closed Loop Systems

Example: Third order process

Root Locus

Root Locus Graph

CONTROLLER TUNING

Ziegler Nichols Tuning