JNTUK R20 3-1 Control Systems Material/Notes PDF Download

Students those who are studying JNTUK R20 EEE Branch, Can Download Unit wise R20 3-1 Control Systems (CS) Material/Notes PDFs below.

JNTUK R20 3-1 Control Systems Material/Notes PDF Download

Preamble: This course covers mathematical modeling, time response, frequency response, stability analysis of Linear Time Invariant (LTI) control systems and their analysis. State space analysis of LTI systems and design of compensator using Bode diagrams is also discussed in this course.

OBJECTIVES:

• To learn the mathematical modeling of physical systems and to use block diagram algebra and signal flow graph to determine overall transfer function
• To analyze the time response of first and second order systems and improvement of performance using PI, PD, PID controllers. To investigate the stability of closed loop systems using Routh’s stability criterion and root locus method.
• To understand basic aspects of design and compensation of LTI systems using Bode diagrams.
• To learn Frequency Response approaches for the analysis of LTI systems using Bode plots, polar plots and Nyquist stability criterion.
• To learn state space approach for analysis of LTI systems and understand the concepts of controllability and observability.

UNIT-1

Mathematical Modeling of Control Systems

Classification of control systems – open loop and closed loop control systems and their differences – Feedback characteristics – transfer function of linear system, differential equations of electrical networkstranslational and rotational mechanical systems – transfer function of Armature voltage controlled DC servo motor – block diagram algebra – signal flow graph – reduction using Mason’s gain formula.

Download UNIT-1 Material PDF

UNIT-2

Time Response Analysis and Controllers

Standard test signals – time response of first and second order systems – time domain specifications – steady state errors and error constants – effects of proportional (P) – proportional integral (PI) – proportional derivative (PD) – proportional integral derivative (PID) systems.

Stability Assessment Techniques

The concept of stability – Routh’s stability criterion – limitations of Routh’s stability, root locus concept – construction of root loci (simple problems) – Effect of addition of Poles and Zeros to the transfer function.

Download UNIT-2 Material PDF

UNIT–3

Frequency Response Analysis

Introduction to frequency domain specifications – Bode diagrams – transfer function from the Bode diagram –Polar plots, Nyquist stability criterion- stability analysis using Bode plots (phase margin and gain margin).

Download UNIT-3 Material PDF | Link-2

UNIT–4

Classical Control Design Techniques

Lag, lead, lag-lead compensators – physical realisation – design of compensators using Bode plots.

Download UNIT-4 Material PDF

UNIT–5

State Space Analysis of Linear Time Invariant (LTI) Systems

Concepts of state – state variables and state model – state space representation of transfer function – diagonalization using linear transformation – solving the time invariant state equations – State Transition Matrix and its properties- concepts of controllability and observability.

Download UNIT-5 Material PDF

TEXT BOOKS:

1. Modern Control Engineering by Kotsuhiko Ogata, Prentice Hall of India.
2. Automatic control systems by Benjamin C.Kuo, Prentice Hall of India,2nd Edition.

REFERENCE BOOKS:

1. Control Systems principles and design by M.Gopal, Tata Mc Graw Hill education Pvt Ltd., 4th Edition.
2. Control Systems by Manik Dhanesh N, Cengage publications.
3. Control Systems Engineering by I.J.Nagarath and M.Gopal, Newage International Publications, 5th Edition.
4. Control Systems Engineering by S.Palani,Tata Mc Graw Hill Publications.

OUTCOMES:

• derive the transfer function of physical systems and determination of overall transfer function using block diagram algebra and signal flow graphs.
• determine time response specifications of second order systems and to determine error constants.
• analyze absolute and relative stability of LTI systems using Routh’s stability criterion and the root locus method.
• analyze the stability of LTI systems using frequency response methods.
• design Lag, Lead, Lag-Lead compensators to improve system performance from Bode diagrams.
• represent physical systems as state models and determine the response. Understanding the concepts of controllability and observability.

JNTUK R20 3-1 Power Electronics Material/Notes PDF Download

Students those who are studying JNTUK R20 EEE Branch, Can Download Unit wise R20 3-1 Power Electronics Material/Notes PDFs below.

JNTUK R20 3-1 Power Electronics Material/Notes PDF Download

Preamble: The usage of power electronics in day to day life has increased in recent years. It is important for student to understand the fundamental principles behind all these converters. This course covers characteristics of semiconductor devices, ac/dc, dc/dc, ac/ac and dc/ac converters. The importance of using pulse width modulated techniques to obtain high quality power supply (dc/ac converter) is also discussed in detail in this course.

OBJECTIVES:

• To study the characteristics of various power semiconductor devices and to design firing circuits for SCR.
• To understand the operation of single phase full–wave converters and analyze harmonics in the input current.
• To study the operation of three phase full–wave converters.
• To understand the operation of different types of DC-DC converters.
• To understand the operation of inverters and application of PWM techniques for voltage control and harmonic mitigation.
• To analyze the operation of AC-AC regulators.

UNIT-1

Power Semi-Conductor Devices Silicon controlled rectifier (SCR) – Two transistor analogy – Static and Dynamic characteristics – Turn on and Turn off Methods – Triggering Methods (R, RC and UJT) – Snubber circuit design. Static and Dynamic Characteristics of Power MOSFET and Power IGBT– Gate Driver Circuits for Power MOSFET and IGBT – Numerical problems.

Download UNIT-1 Material PDF | Reference-2 | Ref-3

UNIT–2:

Single Phase AC-DC Converters Single Phase half wave controlled rectifiers – R load and RL load with and without freewheeling diode – Single Phase fully controlled bridge converter with R load, RL load and RLE load – Continuous and Discontinuous conduction – Effect of source inductance in 1-phase fully controlled bridge rectifier with continuous conduction – Expression for output voltages – Single Phase semi Converter with R load, RL load and RLE load – Continuous and Discontinuous conduction – Harmonic Analysis – Single Phase Dual Converters – Numerical Problems

Download UNIT-2 Material PDF | Reference-2

UNIT–3

Three Phase AC-DC Converters & AC – AC Converters

Three-phase half-wave Rectifier with R and RL load – Three-phase fully controlled rectifier with R and RL load – Three-phase semi converter with R and RL load – Expression for Output Voltage – Harmonic Analysis – Three-phase Dual Converters – Numerical Problems.

Download UNIT-3 PART-A Material PDF | Reference-2 | Ref-3

Single-phase AC-AC power control by phase control with R and RL loads – Expression for rms output voltage – Single-phase step down and step up Cycloconverter – Numerical Problems.

Download UNIT-3 PART-B Material PDF | Reference-2

UNIT–4:

DC–DC Converters Operation of Basic Chopper – Classification – Control Techniques – Analysis of Buck, Boost and Buck-Boost converters in Continuous Conduction Mode (CCM) and Discontinuous Conduction Modes (DCM) – Output voltage equations using volt-sec balance in CCM & DCM – Expressions for output voltage ripple and inductor current ripple- Numerical Problems.

Download UNIT-4 Material PDF | Reference-2

UNIT-5:

DC–AC Converters Introduction – Classification – Single Phase half bridge and full bridge inverters with R and RL loads – Unipolar & Bipolar Switching – Quasi-square wave pulse width modulation – Three Phase square wave inverters – 1200 conduction and 1800 conduction modes of operation – PWM inverters – Sinusoidal Pulse Width Modulation – Current Source Inverter (CSI) – Numerical Problems.

Download UNIT-5 Material PDF

TEXT BOOKS:

1. Power Electronics: Converters, Applications and Design by Ned Mohan, Tore M Undeland, William P Robbins, John Wiley & Sons.
2. Power Electronics: Circuits, Devices and Applications – by M. H. Rashid, Prentice Hall of India, 2nd edition, 1998
3. Power Electronics: Essentials & Applications by L.Umanand, Wiley, Pvt. Limited, India, 2009.

REFERENCE BOOKS:

1. Elements of Power Electronics–Philip T.Krein.oxford.
2. Power Electronics – by P.S.Bhimbra, Khanna Publishers.
3. Thyristorised Power Controllers – by G. K. Dubey, S. R. Doradla, A. Joshi and R. M. K.Sinha, New Age International (P) Limited Publishers, 1996.
4. Power Electronics: by Daniel W.Hart, Mc Graw Hill.

OUTCOMES:

• Explain the characteristics of various power semiconductor devices and analyze the static and dynamic characteristics of SCR’s.
• Design firing circuits for SCR.
• Explain the operation of single phase full–wave converters and analyze harmonics in the input current.
• Explain the operation of three phase full–wave converters.
• Analyze the operation of different types of DC-DC converters.
• Explain the operation of inverters and application of PWM techniques for voltage control and harmonic mitigation.
• Analyze the operation of AC-AC regulators.

JNTUK R20 3-1 Power Systems-II Material/Notes PDF Download

Students those who are studying JNTUK R20 EEE Branch, Can Download Unit wise R20 3-1 Power Systems-II (PS-2) Material/Notes PDFs below.

JNTUK R20 3-1 Power Systems-II Material/Notes PDF Download

Preamble: This course is an extension of power systems–I course. It deals with basic theory of transmission lines modeling and their performance analysis. Transient in power system, improvement of power factor and voltage control are discussed in detail. It is important for the student to understand the mechanical design aspects of transmission lines, cables, insulators. These aspects are also covered in detail in this course.

OBJECTIVES:

• To compute inductance/capacitance of transmission lines and to understand the concepts of GMD/GMR.
• To study the short and medium length transmission lines, their models and performance.
• To study the performance and modeling of long transmission lines.
• To study the effect of travelling waves on transmission lines.
• To study the factors affecting the performance of transmission lines and power factor improvement methods.
• To discuss sag and tension computation of transmission lines as well as to study the performance of overhead insulators.

Transmission Line Parameters Conductor materials – Types of conductors – Calculation of resistance for solid conductors – Skin and Proximity effects – Calculation of inductance for Single-phase and Three-phase– Single and double circuit lines– Concept of GMR and GMD–Symmetrical and asymmetrical conductor configuration with and without transposition–Bundled conductors – Calculation of capacitance for 2 wire and 3 wire systems – Effect of ground on capacitance – Capacitance calculations for symmetrical and asymmetrical single and Three-phase–Single and double circuit lines without and with Bundled conductors.

Download UNIT-1 Material PDF | Reference-2 | Ref-3

UNIT–2

Performance Analysis of Transmission Lines Classification of Transmission Lines – Short, medium, long lines and their model representation – Nominal-T, Nominal-Pie and A, B, C, D Constants for symmetrical and Asymmetrical Networks.

Rigorous Solution for long line equations –Representation of Long lines – Equivalent T and Equivalent Pie network models – Surge Impedance and Surge Impedance Loading (SIL) of Long Lines – Regulation and efficiency for all types of lines – Ferranti effect.

Download UNIT-2 PART Material PDF | Reference-2 | Ref-3

UNIT–3

Power System Transients Types of System Transients – Propagation of Surges – Attenuation–Distortion– Reflection and Refraction Coefficients. Termination of lines with different types of conditions – Open Circuited Line–Short Circuited Line – TJunction – Lumped Reactive Junctions.

Download UNIT-3 Material PDF | Reference-2

UNIT–4

Corona Description of the phenomenon – Types of Corona – critical voltages and power loss – Advantages and Disadvantages of Corona – Factors affecting corona – Radio Interference.

Download UNIT-4 Material PDF

UNIT–5

Sag and Tension Calculations and Overhead Line Insulators: Sag and Tension calculations with equal and unequal heights of towers–Effect of Wind and Ice on weight of Conductor – Stringing chart and sag template and its applications Types of Insulators – String efficiency and Methods for improvement – Voltage distribution–Calculation of string efficiency – Capacitance grading and Static Shielding.

Download UNIT-5 Material PDF | Reference-2

TEXT BOOKS:

1. Electrical Power Systems – by C.L.Wadhwa, New Age International (P) Limited, 1998.
2. Power System Engineering by I.J.Nagarath and D.P.Kothari, Tata McGraw Hill, 3 rd Edition.

REFERENCE BOOKS:

1. Power system Analysis–by John J Grainger William D Stevenson, TMC Companies, 4th edition
2. Power System Analysis and Design by B.R.Gupta, Wheeler Publishing.
3. A Text Book on Power System Engineering by M.L.Soni, P.V.Gupta, U.S.Bhatnagar A.Chakrabarthy, DhanpatRai Co Pvt. Ltd.2016
4. Electrical Power Systems by P.S.R. Murthy, B.S. Publications, 2017

OUTCOMES:

• Calculate parameters of transmission lines for different circuit configurations.
• Determine the performance of short, medium and long transmission lines.
• Analyse the effect of travelling waves on transmission lines.
• Analyse the various voltage control methods and effect of corona.
• Calculate sag/tension of transmission lines and performance of line insulators.

JNTUK R20 3-1 Finite Element Methods (FEM) Material PDF Download

Students those who are studying JNTUK R20 Mechanical Branch, Can Download Unit wise R20 3-1 Finite Element Methods (FEM) Material/Notes PDFs below.

JNTUK R20 3-1 Finite Element Methods (FEM) Material PDF Download

OBJECTIVES:

• To understand the basic principles of finite element methods.
• To understand discretization principles and apply to analyse the trusses.
• To apply the finite element method to analyze and solve beam problems.
• To gain knowledge about two dimensional stress analysis.
• To understand and apply steady state analysis and dynamic analysis.

UNIT-1

Finite Element Methods: Introduction to finite element method, stress and equilibrium, strain – displacement relations, stress–strain relations, plane stress and plane strain conditions, variational and weighted residual methods, concept of potential energy, one dimensional problems.

Download UNIT-1 Material PDF

UNIT-2

Discretization: Bar element formulation, Discretization of domain, element shapes, discretization procedures, assembly of stiffness matrix, band width, node numbering, mesh generation, interpolation functions, local and global coordinates, convergence requirements, treatment of boundary conditions.

Analysis of Trusses: Finite element modeling, coordinates and shape functions, assembly of global stiffness matrix and load vector, finite element equations, treatment of boundary conditions, stress, strain and support reaction calculations

Download UNIT-2 Material PDF

UNIT-3

Analysis of Beams: Element stiffness matrix for Hermite beam element, derivation of load vector for concentrated and UDL, simple problems on beams.

Download UNIT-3 Material PDF | Reference-2

UNIT-4

Finite element modeling: Finite element modeling of two dimensional stress analysis with constant strain triangles and treatment of boundary conditions, formulation of axi-symmetric problems.

Higher order and iso-parametric elements: One dimensional, quadratic and cubic elements in natural coordinates, two dimensional four node iso-parametric elements and numerical integration.

Download UNIT-4 Material PDF | Reference-2

UNIT-5

Steady state heat transfer analysis: One dimensional analysis of a fin.

Dynamic Analysis: Formulation of finite element model, element consistent and lumped mass matrices, evaluation of eigen values and eigen vectors, free vibration analysis.

Download UNIT-5 Material PDF | Reference-2

TEXT BOOKS:

1. The Finite Element Methods in Engineering / SS Rao / Pergamon.

REFERENCE BOOKS:

1. Finite Element Method with applications in Engineering / YM Desai, Eldho & Shah /Pearson publishers
2. An introduction to Finite Element Method / JN Reddy / McGraw Hill
3. The Finite Element Method for Engineers – Kenneth H. Huebner, Donald L. Dewhirst, Douglas E. Smith and Ted G. Byrom / John Wiley & sons (ASIA) Pte Ltd.
4. Finite Element Analysis: Theory and Application with Ansys, Saeed Moaveniu, Pearson Education
5. Finite Element Methods / Chen
6. Finite Element Analysis: for students & Practicing Engineers / G.Lakshmi Narasaiah / BSP Books Pvt. Ltd.

OUTCOMES:

• Understand the concepts behind variational methods and weighted residual methods in FEM
• Identify the application and characteristics of FEA elements such as bars, beams, plane and isoparametric elements, and 3-D element .
• Develop element characteristic equation procedure and generation of global stiffness equation will be applied.
• Able to apply Suitable boundary conditions to a global structural equation, and reduce it to a solvable form.
• Able to identify how the finite element method expands beyond the structural domain, for problems involving dynamics, heat transfer, and fluid flow.

JNTUK R20 3-1 Operations Research Material/Notes PDF Download

Students those who are studying JNTUK R20 Mechanical Branch, Can Download Unit wise R20 3-1 Operations Research (OR) Material/Notes PDFs below.

JNTUK R20 3-1 Operations Research Material/Notes PDF Download

OBJECTIVES:

• To understand the basics of operations research, applications and linear programming problems.
• To understand and apply the knowledge in solving problems of transportation, assignment and sequencing.
• To understand the replacement and game theories and apply the knowledge to solve problems.
• To gain knowledge about the waiting line models and project management techniques.
• To understand and apply the knowledge in solving problems of dynamic programming and simulation.

UNIT-1

INTRODUCTION – definition– characteristics and phases – types of operation research models – applications.

LINEAR PROGRAMMING: problem formulation – graphical solution – simplex method – artificial variables techniques -two–phase method, big-M method – duality principle.

Download UNIT-1 Material PDF | Reference-2

UNIT-2

TRANSPORTATION PROBLEM: Formulation – optimal solution, unbalanced transportation problem – degeneracy, assignment problem – formulation – optimal solution – variants of assignment problem- traveling salesman problem.

SEQUENCING – Introduction – flow –shop sequencing – n jobs through two machines – n jobs through three machines – job shop sequencing – two jobs through ‘m’ machines.

Download UNIT-2 Material PDF | Reference-2

UNIT-3

REPLACEMENT THEORY: Introduction – replacement of items that deteriorate with time – when money value is not counted and counted – replacement of items that fail completely, group replacement.

GAME THEORY: Introduction – mini. max (max. mini) – criterion and optimal strategy – solution of games with saddle points – rectangular games without saddle points – 2 x 2 games – dominance principle – m x 2 & 2 x n games -graphical method.

Download UNIT-3 Material PDF | Reference-2

UNIT-4

WAITING LINES: Introduction – single channel – poison arrivals – exponential service times – with infinite population and finite population models– multichannel – poison arrivals – exponential service times with infinite population single channel.

PROJECT MANAGEMENT: Basics for construction of network diagram, Program Evaluation and Review Technique (PERT), Critical Path Method (CPM) – PERT Vs. CPM, determination of floats- Project crashing and its procedure.

Download UNIT-4 Material PDF

UNIT-5

DYNAMIC PROGRAMMING: Introduction – Bellman’s principle of optimality – applications of dynamic programming-shortest path problem – linear programming problem.

Download UNIT-5 Part-A Material PDF

SIMULATION: Definition – types of simulation models – phases of simulation– applications of simulation – inventory and queuing problems – advantages and disadvantages.

Download UNIT-5 Part-B Material PDF

TEXT BOOKS:

1. Operations Research-An Introduction/Hamdy A Taha/Pearson publishers
2. Operations Research –Theory & publications / S.D.Sharma-Kedarnath/McMillan publishers India Ltd

REFERENCE BOOKS:

1. Introduction to O.R/Hiller & Libermann/TMH
2. Operations Research /A.M.Natarajan,P.Balasubramani,A. Tamilarasi/Pearson Education.
3. Operations Research: Methods & Problems / Maurice Saseini, Arhur Yaspan & Lawrence Friedman/Wiley
4. Operations Research / R.Pannerselvam/ PHI Publications.
5. Operations Research / Wagner/ PHI Publications.
6. Operation Research /J.K.Sharma/MacMilan Publ.
7. Operations Research/ Pai/ Oxford Publications
8. Operations Research/S Kalavathy / Vikas Publishers
9. Operations Research / DS Cheema/University Science Press
10. Operations Research / Ravindran, Philips, Solberg / Wiley publishers

OUTCOMES: After completion of the course, the student will be able to:

• CO1: Apply the basics of operations research and linear programming problems.
• CO2: Apply the knowledge in solving problems of transportation, assignment and sequencing.
• CO3: Judge the replacement and game theories and apply the knowledge to solve problems.
• CO4: Discuss the waiting line models and project management techniques.
• CO5: Apply the knowledge in solving problems of dynamic programming and simulation.