CONTROL SYSTEMS AND PLC

200.00

Authors Name Mrs. Pratibha D. Kulkarni , Miss Sharvari D. Kulkarni
Edition First
Publishing Year Jun-19
Pages 210
ISBN 9789389108088
Language English
Ebook Link

Syllabus …

 

  1. Basics of Control System (Marks 12, Hours 10)

1.1     Control System: Basics of Control Systems and Practical Examples.

1.2     Classification of Control Systems: Open Loop and Closed Loop Systems – Block Diagram, Practical Example, and Comparison Linear and Non-linear Systems, Time Varying and Time Invarying Systems – Practical Example, and Comparison Servo System.

1.3     Transfer Function: Close Loop and Open Loop System – RC, LC and RLC Circuits – Differential Equations and Transfer Functions and Analysing Using Laplace Transform

1.4     Block Diagram Reduction Technique: Need, Reduction Rules.

 

  1. Time Domain Stability Analysis (Marks 16, Hours 16)

2.1 Time Response: Transient and Steady State Response.

2.2 Standard Test Inputs: Step, Ramp, Parabolic and Impulse and their corresponding Laplace Transform.

2.3  Analysis of First and Second Order Control System:

             (i)    Poles and Zeros: S-plane Representation Order of System (0, 1, 2) Standard Equations Examples and Numerical Problem.

             (ii)   First Order System: Analysis for Unit Step Input, Concept of Time Constant.

             (iii)  Second Order System: Analysis for Unit Step Input (No Derivation), Concept, Definition and Effect of Damping.

       (iv)  Time Response Specifications (No Derivations) – Tp,Ts,Tr,Td,Mp, Ess, Numerical Problems.

2.4 Steady State Analysis: Type 0, 1, 2 Systems, Steady State Error and Error Constants, Numerical Problems.

2.5 Stability: Concept of Stability, Root Locations in S-plane and Analysis – Stable System, Unstable System, Critically Stable Systems, Conditionally Stable System, Relative Stability.

2.6 Routh’s Stability Criterion: Steps and Procedures to find stability by Routh’s Stability Criteria.

 

  1. Process Controllers (Marks 10, Hours 08)

3.1 Process Control System: Block Diagram and Explanation of Each Block.

3.2 Control Actions:

             Discontinuous Mode: ON-OFF Controllers: Equation, Neutral Zone.

             Continuous Modes: Proportional Controller-offset, Proportional Band, Proportional, Integral and Derivative Controllers – o/p Equation, Response, Characteristics, Comparison.

3.3 Composite Controllers: PI, PD, PID Controllers – o/p Equation, Response, Comparison.

 

  1. Fundamentals of PLC (Marks 14, Hours 12)

4.1 PLC – Block Diagram, Classification, (Fixed and Modular PLCs), Need and Benefits of PLC in Automation.

4.2 Description of Different Parts of PLC: CPU – Function, Scanning Cycle, Speed of Execution, Power Supply – Block Diagram and Function of Each Block.

Memory – Function and Organization of ROM and RAM.

Input and Output Modules – Function, Different Input and Output Devices Used with PLC (Only Name and their Uses).

4.3  PLC Installation.

 

  1. PLC Hardware and Programming (Marks 18, Hours 18)

5.1  Discrete Input Modules : Block Diagram, Specifications of AC Input Modules and DC Input Module. Sinking and Sourcing Concept in DC Input Modules.

5.2 Discrete Output Modules: Block Diagram Description, Specifications of AC Output Module and DC Output Modules.

5.3 Analog Input and Output Modules: Block Diagram, Specifications.

5.4 I/O Addressing of PLC – Addressing Data Files, Format of Logical Address, Different Addressing Types.

5.5 PLC Instruction Set: Relay Instructions, Timer and Counter Instructions, Data Movement Instructions, Logical and Comparison Instructions.

5.6 PLC Programs using Ladder Programming Language.

Weight 427 g

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