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VNR VIGNANA JYOTHI INSTITUTE OF ENGINEERING & TECHNOLOGY DEPARTMENT OF ELECTRONICS AND COMMUNICATIONS ENGINEERING

III B. Tech, Semester I (EIE)

Subject : Control Systems Subject Code : 13EEE006

Academic Year : 2016 – 17 Number of working days : 90 Number of Hours / week : 4 Total number of periods planned: 65 Name of the Faculty Member: P V Gopikumar & CH Sureshkumar

III Year B.Tech ECE – I Sem L T/P/D C 4 1 4

(13EEE006) CONTROL SYSTEMS

Pre-requisites: Basic concepts of Mathematics and Signal concepts Course Objectives

To understand the different ways of system representations such as Transfer function representation and state space representations and Should able to assess the system dynamic response

To assess the system performance using time domain analysis and should know how to improve it

To assess the system performance using frequency domain analysis and should know how to improve it

To design various controllers and compensators to improve system performance

Course outcomes After going through this course the student will be able to

know how to improve the system performance by selecting a suitable controller and/or compensator for a specific application

Apply various time domain and frequency domain techniques to assess the system performance

Apply various control strategies to different applications (example: Power systems, electrical drives etc…)

Test system Controllability and Observability using state space representation and applications of state space representation to various systems.

UNIT I:

INTRODUCTION:

Concepts of control systems, Open loop and closed loop systems and their differences.Different examples of control systems, Classification of control systems, Feed-back Characteristics, Effects of feedback.

Mathematical models – Differential equations. Impulse Response and transfer functions – Translational and Rotational mechanical systems.

Learning objectives:

After completion of the unit, students will be able to:

Explain the concepts of control system. Explain the classification of control system. Make the comparison between open loop and closed loop control system with examples. Explain Feedback Characteristics. Explain the reduction of parameter variations like system sensitivity,Time constant , Gain ,

Stability by use of feedback. Solve problems related to effects of feedback Identify the use of Laplace Transform in control system. Determine the Transfer Function of Mechanical Translational System. Solve problems on Mechanical Translational System. Derive Electrical Analogous of Mechanical Translational System. Determine the Transfer Function of Mechanical Rotational System. Solve problems on Mechanical Rotational System. Derive Electrical Analogous of Mechanical Rotational System.

Lecture Schedule

S.No. Description of Topic No. of

Hrs.

Method of

Teaching

1. Necessity and importance of control systems, classification of

control system

1st hour PPT

2. Open loop and closed loop systems with examples and

differences between open loop and closed loop system

2ndhour PPT+Video

3. Use of Laplace transforms in control systems. Definition of

Transfer function problems solved. Physical systems

3rdhour PPT

4. Effects of Feedback, reduction of parameter variations by use

of feedback, sensitivity, time constant, gain, stability, and

disturbance

4th&

5thhour

PPT, Chalk &

board

5. Mechanical translational systems and related problems solved 6th&

7thhour

chalk & board

6. Mechanical translational systems and related problems 8th&

9thhour

PPT, chalk &

board

7. Electrical analogous of Mechanical translational systems, force-

voltage and Force-current analogy

10th&

11thhour

PPT, Chalk &

board

8. Tutorial Problems 12thhour Chalk & board

Total Periods: 12

ASSIGNMENT OF UNIT- I 1. Distinguish between 1) linear and nonlinear system 2) Open Loop and Closed Loop control

system 3) Regenerative and degenerative feedback control systems. 2. Define system and explain about various types of control systems with examples and their

advantages. 3. What are the advantages of negative feedback? Explain the effect of negative feedback on

bandwidth and sensitiveness to parameter variation in closed loop control system.

UNIT II:

TRANSFER FUNCTION REPRESENTATION & TIME RESPONSE ANALYSIS:

Transfer Function of DC Servomotor-AC Servomotor-Synchro transmitter and receiver, Block diagram

representation of systems considering electrical systems as examples- Block diagram algebra –

Representation by signal flow graph – Reduction using mason’s gain formula.

Standard Test Signals- Time response of First Order Systems, Characteristic Equation of Feedback

Control systems, Transient Response of Second Order Systems, Time Domain Specifications, Steady state

response, Steady state errors and Error Constants, Effects of Proportional derivative, Proportional

Integral Systems.

LEARNING OBJECTIVES After completion of UNITII the student will be able to

Derive Transfer Function of DC Servomotor – Armature controlled and Field controlled Derive Transfer Function of AC Servomotor. Explain the operation of Synchro transmitter and Receiver. Represent Electrical system as a Block Diagram and solve related problems. Explain Block Diagram algebra. Represent Control System graphically using Signal Flow Graph. Reduce Block diagram using Mason’s Gain Formula. Determine the Time response of 1st order system. Time response of 2nd order system for undamped, underdamped, critically damped, over

damped. Time domain specifications- rise time, peak time, delay time, settling time, peak over shoot-

expressions derived. Determine the steady state response. Determine Steady state errors and Error Constants. Explain the effects of Proportional Derivative, Proportional Integral and PID Systems.

S.No. Description of Topic No. of Hrs. Method of

Teaching

1. Servomotor, classification, requirements. Difference between 2

Phase Induction Motor and Servomotor.

1st hour PPT

2. Transfer function of Armature Controlled DC motor.

2ndhour PPT+Video

3. Transfer function of field Controlled DC motor.

3rdhour PPT

4. Transfer function of AC servomotor. Servomotor in position

control.

4thhour chalk & board

5. Block diagram Algebra. Block diagram reduction using algebra.

Problems solved.

5th&

6thhour

PPT, chalk &

board

6. Signal flow graph method, properties. Mason’s Gain Formula 7thhour PPT, Chalk &

board

7 Block Diagram Reduction using Mason’s Gain Formula.

Comparison of block diagram and signal flow graph methods,

conversion of block diagram to signal flow graph

8th&

9thhour

PPT, Chalk &

board

8 Standard test signals. Review of Partial Fraction Expansion 10thhour Chalk & board

9 Time Domain Specifications and their derivations 11thhour Chalk & board

10 Time response of 1st order system for Ramp i/p, step i/p,

Exponential i/p, etc.Time response of 2nd order system for

undamped and under damped cases.

12th&

13thhour

Chalk & board

11 Steady state Error, Static Error Constants essfor unit step, unit

ramp, and unit parabolic for type-0, 1, 2 & 3 order systems

14th&

15thhour

Chalk & board

12 Generalized Error Coefficient derivation. Response with P, PI,

PD & PID controllers and problems

16th&

17thhour

Chalk & board

13 Tutorial Problems 18thhour Chalk & board

Total:18 ASSIGNMENTOF UNIT_II

1. Derive the transfer function of an a.c.servomotor and draw its characteristics. 2. Derive the transfer function for the field controlled d.c. servomotor with neat sketch. 3. Draw the signal flow graph for the system of equations given below and obtain the overall

transfer function using mason’s rule X2 = X1 + X6

X3 = G1 X1 + H 2X4 + H 3 X5

X4 = G2 X3 + H4 G6

X5 = G5X4

X6 = G4 X5

4. In a unity feedback control system the open loop transfer function G(s) = 10 / s (s+1). Find the time response of the system

a) Find the time constant and % overshoot for a unit step input.

b) To reduce the % overshoot by 50% it is proposed to add a tachometer feedback 100p. Find the

tachometer feedback gain to be used.

5. Consider the closed -loop system given by C(s) / R(s) =wn2 / s2 + 2 ξ wns + wn

2

Determine the values of ξ and wnso that the system responds to a step input with

Approximately 5% overshoot and with a settling time of 2 sec. (Use 2% criterion).

UNIT –III STABILITY ANALYSIS IN S-DOMAIN:The Concept of stability – Routh Stability Criterion – Qualitative

stability and conditional stability.

Root Locus Technique:

The root locus concept – construction of root loci – effects of adding poles and Zeros to G(s) H(s) on the

root loci.

LEARNING OBJECTIVES After completing UNIT III the student will be able to

Explain the concepts of stability Solve problems on Routh Hurwitz stability criterion Solve problems on Conditional stability Construct Root Locus Solve problems on root locus

LECTURE SCHEDULE


Teaching

1. Concepts of stability – definition, location of roots of

characteristic equation

1sthour PPT

2. Hurwitz criterion, Routh Hurwitz stability criterion

2ndhour PPT, chalk &

board

3. Problems on R H criterion 3rd&

4thhour

chalk & board

4. Relative stability, applications & limitations of Routh’s criteria. 5thhour chalk & board

5. Root locus techniques- introduction 6thhour PPT, chalk &

board

6. Angle condition, magnitude condition, Graphical method of

determining K

7thhour PPT, Chalk &

board

7 Rules for construction of root locus, examples given 8th&

9thhour

PPT, Chalk &

board

8 Problems solved on root locus techniques 10th ,11th&

12thhour

Chalk & board


Total:13 ASSIGNMENT OF UNIT III

1) a) Explain the concepts of Stability of a control system and explain a method to determine the stability of dynamical system. b) A unity feedback control system is characterized by the open loop transfer function

G(s) = K (s+13) / s(s+3) (s+7)

i) Using the Routh’s criterion determine the range of values of K for the system to be stable

ii) Check for K=1 all the roots of the characteristic equation of above system have damping

factor

UNIT –IVSYLLABUS

FREQUENCY RESPONSE ANALYSIS& STABILITY ANALYSIS IN FREQUENCY DOMAIN: Introduction,

Frequency domain specifications- Bode Diagrams, Determination of Frequency domain specifications

and transfer function from the Bode diagram- Phase margin and Gain margin – Stability analysis from

Bode Plots.

Polar Plots, Nyquist Plots and applications of Nyquist criterion to find the stability – Effects of adding

Poles and Zeros to G(s)H(s) on the shape of the Nyquist Diagrams.

LEARNING OBJECTIVES After completing UNIT IV the student will be able to

Determine Frequency Response Draw Bode plot Calculate Gain Margin , Phase Margin from Bode Plot Determine stability from Bode Plot. Draw and analyze Polar Plot. Determine Gain margin and Phase margin. Determine the stability by Nyquist Criterion. Solve problems on Nyquist Criterion.

LECTURE SCHEDULE


Teaching

1. Frequency domain Specifications 1sthour PPT, chalk &

board

2. Bode plot: Gain margin, Phase margin Magnitude plot, Phase

plot, problems worked out

2nd&

3rdhour

PPT, chalk &

board

3. Stability analysis from Bode plots, problems solved 4th&

5thhour

chalk & board

4. Polar plot, gain margin, phase margin 6thhour PPT, chalk &

board

5. Problems solved on Polar plot 7thhour PPT, chalk &

board

6. Nyquist plots ,Nyquist criterion to find the stability 8thhour PPT, Chalk &

board

7 Problems on Nyquist plot, Effects of adding poles and zeros to 9th& PPT, Chalk

G(s) H(s) on the shape of the Nyquist dia. 10thhour &board


Total: 11

ASSIGNMENT OF UNIT _ IV 1)a) Explain a frequency domain specifications.

b) Sketch the Bode plot for the Transfer function G(s) = Ke-0.5s / s (2+s) (1+0.3s),’K’ stands for the

cross over frequency wcf to be 5 rad/sec.

2) Sketch the Bode plot for a unity feedback system characterized by the open loop transfer function

G(s) =K (1+0.2s)(1+0.025s) / s2(1+0.001s)(1+0.005s). Show that the system is conditionally stable. Find

the range of K for which the system is stable.

3) a) Explain Nyquist Stability criterion.

b) A unity feedback control system has an open loop transfer function given by

G(s) H(s) =100 / (s+5) (s+2). Draw the Nyquist diagram and determine its stability.

4) Draw theNyquist plot for the open loop system G(s) = K(s+3) / s(s+1) and find itsstability. Also find

the phase margin and gain margin.

UNIT-V SYLLABUS

CLASSICAL CONTROL DESIGN TECHNIQUES:Compensation Techniques – lag, lead, lead-lag controllers

design in frequency Domain,PID Controllers.

STATE SPACE ANALYSIS OF CONTINUOUS SYSTEMS: Concepts of state, state variables and state model,

derivation of state models from block diagrams, Diagonalization. Solving the Time invariant state

Equations.State Transition Matrix and its properties.

LEARNING OBJECTIVES After completing UNIT V the student will be able to

Explain compensation techniques Explain lag controllers design in frequency domain. Explain lead controllers design in frequency domain. Explain lead – lag controllers design in frequency domain. Explain about PID controllers. Construct the state variable model for a system characterized by differential equation. Obtain state equation and output equation of an electric network. Obtain state space model for a system.

Explain properties and significance of state transition matrix.

LECTURE SCHEDULE


Teaching

1. Introduction and preliminary design considerations 1sthour PPT, chalk &

board

2. Lead compensation & Lag compensation 2nd&

3rdhour

PPT, chalk &

board

3. Lead - Lag compensation based on frequency response

approach.

4thhour chalk & board

4. Problems related to the topic solved 5thhour chalk & board

5. Concepts of state, state variables and state model. Model of a

given electrical network

6thhour PPT, chalk &

board

6. State diagram representation, to obtain state model from a

given transfer function. Problems solved

7thhour PPT, Chalk &

board

7 Diagonalisation, solving the time invariant state equations 8thhour PPT, Chalk &

board

8. State transition matrix, Observability and controllability 9th&

10thhour

Chalk & board


Total: 11 ASSIGNMENT OFUNIT V

1) Write short notes on lead, lag, lead-lag compensation networks. 2) Explain properties of state transition matrix. 3) Consider the transfer function Y(s) / U(s) = (2s2+ s + 5) / (s3 + 6s2 + 11s + 4)

Obtain the state equation by direct decomposition method and also find state transition

matrix

TEXT BOOKS 1. Control Systems Engineering by I. J. Nagrath and M. Gopal, New Age International (P)

Limited, Publishers, 2nd edition. 2. Automatic Control Systems 8th edition by B. C. Kuo 2003– John wiley and sons.

REFERENCES 1. Modern Control Engineering by Katsuhiko Ogata, Prentice Hall of India Pvt. Ltd., 3rd edition,

1998. 2. Control Systems by N.K.Sinha, New Age International (P) Limited Publishers, 3rd Edition, 1998. 3. Control Systems Engineering. By NISE, John wiley, 3rd Edition. 4. Modeling and Control Of Dynamic Systems by Narciso F. Macia GeorgeJ.Thaler, Thomson

Publishers. 5. Modern control system theory by M.Gopal, New age international publishers, Revised second

edition.

Evaluation Procedure:

Internal evaluation: Mid examination (25) + Assignment (5) = 30 Marks

No. of Mid examinations: Two, each evaluated for 25 marks

Pattern of examination: Part-A: - 4 Marks (4X1 Marks) Compulsory

6 Marks (3X2 Marks) Compulsory

Part-B:- 15 Marks (3X5 Marks) 3 out of 4 Questions

Finalization of Mid for 25 Marks: 80% from the best performed mid examination and 20% from the otherMid examination. Assignmenttest for 5 marks: Two assignments for 5 marks each and average of two, will be taken for finalization of assignment marks

External Evaluation: 70 Marks

Question paper Pattern : Part A:- 30 Marks Compulsory

5 X 1 Marks = 5 Marks (One question from each unit)



Part B:- 10x4 = 40 Marks (4 out of 6 questions) (At least one question from each unit)

VNR VIGNANA JYOTHI INSTITUTE OF ENGINEERING AND TECHNOLOGY BACHUPALLY, HYDERABAD-90 ( AUTONOMOUS)

III Year I sem B.Tech. EXTERNAL EXAMINATION

(Common for EIE, ECE &EEE) Subject: Control Systems Max Marks: 70 Duration: 3Hrs

PART A: ANSWER ALL QUESTIONS I. 5x1=5M

a) What are the two types of mechanical system?

b) Which feedback is employed in Control System?

c) Name the standard test signals used in control system?

d) What aretime domain specifications needed to design a control system?

e) Define stability?

2. 5x2=10 M

a) Distinguish between Open loop and closed loop system?

b) What is non minimum phase transfer function

c) State Nyquist stability criteria

d) What are the properties of STM

e) What is compensation? What are the different types of compensators?

3. 5X3=15 M

a) Define type and order of a control system and hence find the type and order of the following

systems?

i.

b) Derive the standard transfer function of a second order system by taking an R-L-C series

circuit

c) Briefly explain the terms used in Signal flow graph

d) Write notes on Field controlled d.c. servomotor. e) Using Routh’s Stability criterion, ascertain stability

PART B IV. Answer any 4 Questions 10x4 = 40 Marks

1. Draw the Bode Plot for a system having G(s) = 100_____ s(1+0.5s)(1+0.1s) H(s) = 1.

Determine: i. Gain cross over frequency and corresponding phase margin. ii. Phase cross over frequency and corresponding gain margin. iii. Stability of the closed loop system.

2. For the mechanical system Figure 1a given, write down the differential equations of motion

and hence determine the Y2(s)/F(s)

3. Give the matrix A =

Write the characteristic equation and obtain the Eigen values. Also obtain the diagonal

matrix.

4. Explain the different steps to be followed for the design of lead compensator using

Bode plot.

5. A linear time invariant system is denoted by the differential equation

D3 y + 3 D2 y +3 D y + y = U where D = dy / dt

Write the State Model equation of the system.

6. The open loop T.F. of a control system is given by G(s).H(s) =_ K___

s(s+6)

Sketch the root locus plot

VNR VIGNANA JYOTHI INSTITUTE OF ENGINEERING & TECHNOLOGY

(Autonomous)

DEPARTMENT OF ELECTRONICS & INSTRUMENTATION ENGINEERING

III B. Tech, I Semester (EIE)

Subject : DIGITAL SIGNAL PROCESSING

Subject Code : 13ECE010

Academic Year : 2016 - 2017

Number of working days : 90

Number of Hours per week : 4 + 1

Total number of periods planned : 68

Name of the Faculty Member : C. V. RAMBABU

Course Objectives:

Identify the discrete time signals and systems and Explain their characteristics

Analyze and process signals using various transform techniques

Apply various concepts in the design of digital filters

Explain the effects of finite word length implementation

Course Outcomes (COs): Upon completion of this course, students should be able to:

CO – 1: Define and Process signals in the discrete domain, Perform statistical analysis and

inferences on various types of signals.

CO – 2: Design Filters to suit specific requirements for specific applications

CO – 3: Design the systems that allows Multi Rate Signal processing

CO – 4: Analyze binary fixed point and floating point representation of numbers and

arithmetic operations.

UNIT – I

Syllabus:

Introduction: Introduction to Digital Signal Processing. Applications of Z-Transforms: Solution

of Linear constant coefficient difference equations, Block diagram representation of LCCD

equations. System function, Frequency domain representation of discrete time signals and

systems.

Discrete Fourier series: DFS representation of periodic sequences, Relation between Z-

transform and DFS.

Learning objectives


Understand the processing of digital signals

Classify different types of signals. Describe the manipulation on signals

Solve numerals on classification of signals

Compare Digital and Analog signal processors. Describe different types of systems

Solve numerals on systems. Compare continuous and discrete systems

Describe impulse response of LTI system. List the properties of convolution. Solve

the numerals on convolution

Describe Linear constant coefficient difference equations. Draw frequency response

of a LTI system.

Solve numerals on LCCDE using Z-Transforms and frequency response of a LTI

system

Describe DFS and properties of DFS and prove them.

Solve numerals on DFS

Lecture plan

S.No

.

Description of Topic No. of Hrs. Method of Teaching

1. Introduction to Digital signal processing 01

1st hour

Chalk & Board + PPT

2. Classification of signals, Representation of signals,

Manipulations on signals

01

2nd

hour

Chalk & Board + PPT

3. Numerals on signal classification 01

3rd

hour

Chalk & Board

4. Block diagram of digital signal processor, analog

signal processor and Classification of systems, i.e.

Static, Dynamic, Time variant and invariant, causal

and non-causal systems

02

4th

& 5th

hour

Chalk & Board

5. Numerals, comparison between continuous and

discrete systems

02

6th

&7th

hour

Chalk & Board + PPT

6. Impulse response of LTI systems, convolution sum,

properties of convolution and Numerals.

01

8th

hour

Chalk & Board + PPT +

Video

7. Solution of linear constant coefficient difference

equations, frequency response of a LTI system

01

9th

hour

Chalk & Board

8. Numerals on LCCDE and frequency response of a

LTI system.

01

10th

hour

Chalk & Board

9. DFS, Properties of DFS and proofs for all 01 Chalk & Board

properties 11th

hour

10. Numerals using Analysis and Synthesis equations 01

12th

hour

Chalk & Board

Total no of classes 12

Assignment – I

1) Test the following system for linearity, causality, static and shift invariance.

𝑦(𝑛) = 𝑥(𝑛) − 𝑥(−𝑛 − 2) + 𝑥(𝑛 − 1)

2) Determine the response of the discrete time system governed by the following difference

equation 𝑦(𝑛) + 2.1 𝑦(𝑛 − 1) + 0.2 𝑦(𝑛 − 2) = 𝑥(𝑛) + 0.56 𝑥(𝑛 − 1); with the input

𝑥(𝑛) = 𝑢(𝑛); and initial conditions are 𝑦(−2) = 1 𝑎𝑛𝑑 𝑦(−1) = −3

3) Test the following systems for linearity, static, time invariance, causality, stability.

a) 𝑦(𝑛) = 𝑏𝑥(𝑛 + 2) + 𝑛𝑒𝑥(𝑛) ; b) 𝑦(𝑛) = 𝑎√𝑥(𝑛) + 𝑏𝑥(𝑛)

4) A system is described by the difference equation ( ) ( 1) ( 2) ( 1)y n y n y n x n .

Assuming that the system is initially relaxed. Determine its unit sample response ( )h n

5) A LTI system is described by the difference equation ( ) ( 1) ( ).y n ay n bx n Find

the impulse response, magnitude function and phase function. Find the value of ‘b’

if ( ) 1.H j Sketch the magnitude and phase response for ‘a’ = 0.9

UNIT – II

Syllabus:

Discrete Fourier Transforms: Properties of DFT, linear convolution of sequences using DFT,

Computation of DFT.

Fast Fourier Transforms: Radix-2 decimation in time and decimation in frequency FFT

Algorithms, Inverse FFT. Composite algorithm.

Learning objectives

After completion of the unit, the students will be able to:

Describe DFT and IDFT. Compare DFS and DFT.

List the properties of DFT and prove properties of DFT.

Solve problems on DFT and IDFT.

Describe circular shift and circular convolution. Compare linear and Circular

Convolution.

Solve problems on Circular convolution.

Describe FFT, Concept of bit reversal and in-place computation.

Explain radix – 2 algorithms. Solve problems on DIT FFT algorithm.

Solve problems on DIF FFT algorithm. Compute IDFT using DIT FFT and

DIF FFT algorithms.

Describe composite number algorithms

Solve problems on composite number algorithms

Lecture plan

S.No. Description of Topic No. of Hrs. Method of Teaching

1. DFT, properties of DFT (linear, time reversal, etc) 01

13th

hour

Chalk & Board

2. IDFT, comparison between DFS and DFT 01

14th

hour

Chalk & Board

3. Numerals on DFT and IDFT 02

15th

&16th

hour

Chalk & Board

4. Circular convolution, comparison between linear

and circular convolutions

01

17th

hour

Chalk & Board +

PPT + Video

5. Numerals on circular convolution 01

18th

hour

Chalk & Board

6. FFT algorithms, Basic operation, Bit reversal

operation, Computation on number of stages of

algorithm

01

19th

hour

Chalk & Board

7. DIT FFT algorithm (radix-2), Numerals on DIT

FFT

02

20th

& 21st hour

Chalk & Board

8. DIF FFT algorithm (radix-2) Numerals on DIF FFT

01

22nd

hour

Chalk & Board

9. IDFT algorithm using FFT algorithm and numerals

on IDFT

02

23rd

& 24th

hour

Chalk & Board

10. Composite number algorithms (FFT) and numerals 02

25th

& 26th

hour

Chalk & Board


Assignment – II

1) Compute 8 – point DFT of the discrete time signal,

𝑥(𝑛) = {1, 2, 1, 2, 1, 3, 1, 3} using radix – 2 DIF FFT. Also sketch the

magnitude and phase spectra.

2) Determine the frequency response, magnitude response and phase response for

the system given by 3 1

( ) ( 1) ( 2) ( ) ( 1)4 8

y n y n y n x n x n

3) Compute linear and circular convolution of the following sequences using DFT

𝑥(𝑛) = {1, 0.2, −1} and ℎ(𝑛) = {1, −1, 0.2}

4) Compute DFT of the sequence 𝑥(𝑛) = {0, 2, 3, −1}. Sketch the magnitude

and phase spectra.

5) a) Compare the DIT and DIF radix – 2 FFT.

b) Compute 8 – point DFT of 𝑥(𝑛) = {1, 2, 3, 4, −1, −2, −3, −4} using

radix – 2 DIT FFT.

UNIT – III

Syllabus:

IIR Digital Filters: Analog filter approximations- Butterworth and Chebyshev. Comparison of

Butterworth and Chebyshev filters. Design of IIR Digital filters from analog filters, Step and

Impulse invariance transformation techniques, Bilinear transformation method. Spectral

transformations (Analog to Analog).

Realization of IIR Filters: Direct, Canonic, Cascade, Parallel, Lattice and Ladder forms.

Learning objectives


Describe various types of filters. Compare analog and digital filters.

Design the Digital Filters from analog filters. Design of Butterworth filters. Solve

problems on Designing of Analog filters

Design the Chebyshev filter. Solve problems on Designing of Analog Filters using

Chebyshev approximation

Compare Butterworth and Chebyshev filters. Describe Analog – Analog and Digital –

Digital frequency transformations.

Design the IIR filters from Analog filters using Impulse invariant transformation(IIT).

List Drawbacks of IIT

Solve Problems using IIM

Describe Bi-Linear Transformation Technique (BLT)

Define the concept of Prewarping and describe Step Invariant technique

Solve Problems using BLT

Solve Problems using Step – Invariant Technique

Realize the Digital IIR filters and solve problems

Lecture plan:


1. Filter types, comparison between

digital verses analog filters

01

27th

hour

Chalk & Board + PPT + Video

2. Analog low pass Butterworth filter

(derivations to calculate order of the

filter and poles)

01

28th

hour

Chalk & Board + PPT

3. Numerals on BW LPF, cutoff

frequency derivation

01

29th

hour

Chalk & Board

4. Analog low pass Chebyshev filters

for type I & II (order and poles) and

numerals

02

30th

& 31st

hour

Chalk & Board

5. Comparison between Butterworth

filter and Chebyshev filter, Analog

to Analog frequency transformation,

numerals

01

32nd

hour

Chalk & Board + PPT

6. Design of IIR filters from analog

filters using IIT, BLT and Step

invariant transformation

01

33rd

hour

Chalk & Board

7. IIT explanation, drawbacks of IIT,

design steps of IIT and numerals

01

34th

hour

Chalk & Board

8. Design of IIR using BLT and step

invariant methods

02

35th

& 36th

hour

Chalk & Board

9. Realization methods of IIR filters

and Problems

03

37th

, 38th

&

39th

hour

Chalk & Board


Assignment – III

1) Determine the Canonic and Parallel realization of the following LTI system

𝐻(𝑧) = (𝑧3− 8𝑧2+13𝑧−5)

(𝑧−0.75)(𝑧2+𝑧−0.25)

2) Design a Butterworth digital IIR low pass filter using bilinear transformation by taking T

= 0.3 sec, to satisfy the following specifications.

0.45 ≤ |𝐻(𝑒𝑗𝜔)| ≤ 1.0 ; 𝑓𝑜𝑟 0 ≤ 𝜔 ≤ 0.675𝜋

|𝐻(𝑒𝑗𝜔)| ≤ 0.15 ; 𝑓𝑜𝑟 0.8𝜋 ≤ 𝜔 ≤ 𝜋

Draw direct form II structure of the filter. Verify the design by sketching the frequency

response.

3) Convert the following analog filter with transfer function

20.1( )

0.2 9SH S

S

into a digital IIR filter by using bilinear transformation method. The digital IIR filter is

having a resonant frequency of 2rW

4) Design a digital IIR low pass filter with pass band edge at 1KHz and stop band edge at

1.5KHz for a sampling frequency of 5KHz. The filter is to have a pass band ripple of

0.5 db and stop band ripple below 30 db. Design Butter worth filter using both impulse

invariant and bilinear transformations.

5) a) Design a digital filter that will pass a 1 Hz signal with attenuation less than 2 db

and suppress 4 Hz signal down to at least 42 db from the magnitude of the 1 Hz signal.

b) What are the limitations of Impulse invariance method?

UNIT – IV

Syllabus:

FIR Digital Filters: Characteristics of linear phase FIR filters and its frequency response.

Comparison of IIR and FIR filters.

Design of FIR filters: Fourier Method, Frequency Sampling method and windowing methods:

Rectangular window, Hanning window, Hamming window, Bartlett window and Kaiser window.

Realization of FIR Filters: Direct form, cascade realization and Linear phase Realization.

Learning objectives

After completion of the unit, the students will be able to

Define FIR Filters. Compare FIR and IIR Filters

Design the Linear phase FIR filters

Analyze frequency response of linear phase FIR filters with Impulse response having

even and odd symmetries

Locate zeros of the linear phase FIR filters. Realize FIR using cascade and Linear phase

Design the FIR filters using Fourier series method. Solve problems using FS method

Design the FIR filters using windows. Compare the various window functions

Solve problems using window technique

Realize the FIR filters

Lecture plan


1 Comparison between FIR and IIR filters.

Linear phase FIR filters (i) for constant

phase/group delays and (ii) for constant

group delay and variable phase delay

01

40th

hour

Chalk & Board + PPT + Video

2 Frequency response of linear phase FIR

filters with impulse response having even

and odd symmetries

01

41st hour

Chalk & Board + PPT

3 Location of the zeros of linear phase FIR

filters

01

42nd

hour

Chalk & Board + PPT

4 Design of FIR filters using Fourier series

method and Window Techniques and

numerals

05

43rd

, 44th

,

45th

, 46th

&

47th

hour

Chalk & Board + PPT

5 Realization of FIR systems and Problems

on realization

02

48th

& 49th

hour

Chalk & Board


Assignment – IV

1) a) Design a linear phase FIR high pass filter using rectangular window, with a cutoff

frequency, 𝜔𝑐 = 0.48𝜋 𝑟𝑎𝑑 𝑠𝑎𝑚𝑝𝑙𝑒⁄ 𝑎𝑛𝑑 𝑁 = 5

b) Compare the Rectangular window and Hanning window.

2) a) Design a low pass filter using rectangular window by taking samples of ( )n

and with a cut – off frequency of 1.2 radians/sec.

b) Compare the various window functions.

3) What are the possible types of impulse response for linear phase FIR filters?

4) Design a low pass filter using Fourier series method using rectangular window for

5 taps only, if the folding frequency is 5 KHz and corner frequencies are 1 and 3 Khz.

5) List the merits and demerits of FIR filter.

UNIT – V

Syllabus:

Multirate Digital Signal Processing: Introduction, Down sampling, Decimation, Up sampling,

Interpolation, sampling rate conversion, Implementation of sampling rate conversion,

Applications of Multirate Signal Processing.

Finite Word Length Effects: Limit cycles, Overflow oscillations, Round-off noise in IIR digital

filters , Computational output round off noise, Methods to prevent overflow, Tradeoff between

round off and overflow noise, Measurement of coefficient quantization effects through pole-zero

movement, Dead band effects.

Learning Objectives :


Explain multi rate signal processing and applications

Advantage and disadvantage of multi rate digital signal processing.

Advantage and disadvantage of decimation

How to use Decimator with examples.

Analyze the Interpolation advantages and disadvantages.

Define the applications of Decimator and interpolator

Analyze Sampling rate conversion & oversampling.

Compare Sampling rate conversion with examples.

Design the different types of filters for sampling rate conversion with examples.

Understand the Finite word length effects

Define and analyze the Limit Cycles, Overflow Oscillations

Analyze the Round off noise in IIR Digital filters

Analyze the Overflow noise

Understand the Quantization effects

Understand the Dead band effects

Lecture plan


1. Introduction of multirate signal processing and

applications

02

50th

& 51st

hour

Chalk & Board +

PPT + Video

2. Decimation and Interpolation. Advantages and

Disadvantages

02

52nd

& 53rd

hour

Chalk & Board +

PPT + Video

3. Sampling rate conversion and applications. Advantages

and disadvantages

01

54th

hour

Chalk & Board +

PPT

4. Different filter design techniques for sampling rate 02 Chalk & Board +

conversion 55th

& 56th

hour

PPT

5. Introduction to Finite word length effects 01

57th

hour

Chalk & Board +

PPT

6. Limit Cycles, Overflow oscillations and examples 01

58th

hour

Chalk & Board +

PPT

7. Round off noise in IIR Digital Filters 01

59th

hour

Chalk & Board +

PPT

8. Computation of output round off noise, problems 01

60th

hour

Chalk & Board

9. Methods for prevention of overflow, Tradeoff between

round off and overflow noise

02

61st & 62

nd

hour

Chalk & Board

10. Quantization effects, Dead band effects 02

63rd

& 64th

hour

Chalk & Board

11. Problems 03

65th

, 66th

&

67th

hour

Chalk & Board

12. Tutorial 01

68th

hour

Chalk & Board


Assignment – V

1) a) Discuss the multistage implementation of sampling rate conversion

b) Write the applications of multi rate signal processing

2) Determine the output round off noise power in the direct form realization of the following

system 𝐻(𝑧) = 1

(1−0.18𝑧−1)(1−0.34𝑧−1)(1−0.42𝑧−1)

a. When the products are rounded to 4 – bits (including sign bit)

b. When the products are rounded to 7 – bits (including sign bit)

3) Discuss the effect of coefficient quantization on pole locations of the following IIR

system, when it is realized in direct form-I and in cascade form. Assume a word length of

5 bits through truncation.

4) Explain the limit cycles in recursive systems in detail.

5) Explain the concept of product quantization error, in detail, with an example.

Practice: Subject practice through LabVIEW software.

TEXT BOOKS

1. Digital Signal Processing: Principles, Algorithms and Applications – John G.Proakis,

D.G.Manolakis, 4th Edition, Perason/PHI, 2009.

2. Digital Signal Processing – A Pratical Approach – Emmanuel C.Ifeacher, Barrie. W.

Jervis, 2nd

Edition, Pearson Education, 2009.

REFERENCES

1. Discrete Time Signal Processing – A.V.Oppenheim and R.W. Schaffer, PHI, 2009

2. Digital Signal Processing- Fundamentals and Applications – Li Tan, Elsevier, 2008.

3. Fundamentals of Digital signal Processing using MatLab- Robert J.Schilling, Sandra

L.Harris,Thomson , 2007.

4. Digital Signal Processing – S.Salivahanan, A.Vallavaraj, C.Gnanapriya,TMH, 2009.

5. Fundamentals of Digital Signal Processing - Loney Ludeman, John Wiley,2009.


DEPARTMENT OF EIE

III B. Tech, Semester I

Subject : LDICA

Subject Code :

Academic Year : 2016 – 17


Number of Hours / week : 5

Total number of periods planned: 60

Name of the Faculty Member: A.Pavani Lakshmi

III Year B. Tech EIE – I Sem L T/P/D C

4 1 4

Linear and Digital IC Applications

UNIT – I

INTEGRATED CIRCUITS: Classification, chip size and circuit complexity, basic information of Opamp, ideal

and practical Op-amp, internal circuits, Op-amp characteristics, DC and AC characteristics,741 op-amp

and its features, modes of operation-inverting, non-inverting, differential.

OP-AMP APPLICATIONS : Basic application of Op-amp, instrumentation amplifier, ac amplifier, V to I and

I to V converters, sample & hold circuits, Log and antilog amplifiers, Precision rectifiers, Differentiators,

Integrators and Comparators.

Learning Objectives:


Describe what an Opamp is.

Describe general circuit of an Opamp and its classification

Describe the difference between ideal and practical Opamp.

DescribeOpampDC and AC characteristics.

Describe features of 741 Opamp.

DescribeOpamp as inverting, noninverting and differential amplifier.

Describe basic applications of Opamp.

Describe and analyze Opamp as instrumentation amplifier, ac amplifier, V to I and I to V Converters sample & hold circuits, Log and antilog amplifiers, Precision rectifiers,

Differentiators , Integrators and Comparators.

Lecture plan :


Hrs.

Method of

Teaching

1. Introduction to integrated circuits and Opamp. 1 PPT+Video

2. Classification of Opamps.

2 PPT+Video

3. Classification of Opamp continued. 1 PPT

4. Characteristics and difference between ideal and practical

Opamp.

1 PPT

5. Op Amp DC and AC characteristics.741 Opamp and its

features.Opamp in invertingnoninverting and differential mode

of operation.

2 PPT, chalk & board

6. Basic application of Opamp.

Opamp as instrumentation amplifier, ac amplifier.

Opamp as V to I and I to V converters.

Opamp as sample & hold circuits,

1 PPT, Chalk & board

7 Opamp as Differentiators and Integrators.

Opamp as Comparators, Schmitt trigger.

Log and antilog amplifier

Precision rectifiers

2 PPT, Chalk & board

8 Tutorial 1 Chalk & board

Total = 11

UNIT – II

ACTIVE FILTERS &OSCILLATORS:

Introduction, 1st order LPF, HPF filters. Band pass, Bandreject and all pass filters. Oscillator types and

principle of operation – RC, Wien and quadrature type,waveform generators – triangular, sawtooth,

square wave and VCO.



Describe frequency response of LPF, HPF filters. Band pass, Bandreject and all pass filters.

Apply to a filter the procedure for frequency scaling

Describe RC, Wien and quadrature type oscillators.

Describe triangular, sawtooth, square wave waveform generators.

Describe VCO block diagram.


Hrs.

Method of

Teaching

1. Introduction to active filters, 1st order LPF and frequency

response of LPF.

1 PPT+Video

2. HPF filters and its frequency response.

Band Pass Filters and its frequency response

2 PPT

3. Band Rejection Filters and its frequency response

All Pass Filters and problems on filters

1 PPT

4. principle of operation of RC phase shift oscillator 1 PPT+ chalk

&board

5 Principle of operation of Wien bridge oscillator

Principle of operation of quadrature oscillator

VCO

3 PPT, chalk &

board

6 square wave generator

triangular wave generator and sawtooth wave generator

2 PPT, Chalk &

board

7 Tutorial: problems and discussion of old question papers. 3 Chalk &

board

Total = 13

UNIT – III

SPECIAL ICs:Introduction to 555 timer, functional diagram, monostable andastable operations and

applications, Schmitt Trigger. PLL - introduction, block schematic, principles anddescription of individual

blocks of 565. Introduction to voltage regulators, series voltage regulator, shunt voltage regulator and IC

723 Voltage Regulator

D-A AND A- D CONVERTERS: Introduction, basic DAC techniques, weighted resistor DAC, R-2Rladder

DAC, inverted R-2R DAC, and IC 1408 DAC, Different types of ADCs - parallel comparator typeADC,

counter type ADC, successive approximation ADC and dual slope ADC, DAC and ADC specifications.



Describe 555 timer functional and pin diagram

Describe 555 timer as monostable and astable operation and their different applications.

Describe 555 timer as Schmitt Trigger

Describe PLL

Explain the operation of Digital to Analog (D/A) converter.

Explain the operation of Digital to Analog (D/A) converter (DAC) with binary weighted resistors.

Explain the operation of DAC with R and 2R resistors.

Explain the operation of Analog to Digital (A/D) converter.

Explain the operation of ADC with Successive approximation.

Discuss the operation of some of the most commonly used Monolithic/Hybrid D/A & A/D converters.

Explain the operation of parallel comparator type ADC.

Explain the operation of counter type ADC.

Lecture plan:


Hrs.

Method of

Teaching

1 Introduction to 555 timer and its functional diagram

monostable operation of 555 timer

2 PPT+Video

2 astable operation of 555 timer

applications of monostable and astable operation of 555

timer.

555 timer as Schmitt trigger

3 PPT

3 introduction, block schematic, principles and description

of 565

individual blocks of 565.

1 PPT

4 Introduction and basic DAC techniques,

weighted resistor DAC, R-2R ladder DAC

1 PPT+ chalk

&board

5 inverted R-2R DAC, and IC 1408 DAC 1 PPT, chalk &

board

6 Different types of ADCs - parallel comparator type ADC,

counter type ADC

successive approximation ADC and dual slope ADC

DAC and ADC specifications.

2 PPT

7 Tutorial 1 Chalk &

board

Total = 11

UNIT – IV

LOGIC FAMILIES: Classification of Integrated circuits, comparison of various logic families, standard TTL

NAND Gate-Analysis& characteristics, TTL open collector O/Ps, Tristate TTL, MOS & CMOS open drain

and tristateoutputs, CMOS transmission gate, IC interfacing- TTL driving CMOS & CMOS driving TTL.

Learning objectives :

After completion of the unit, the students will be able to

Classify integrated circuits

Describe standard TTL NAND Gate- Analysis& characteristics

Describe TTL open collector O/Ps, Tristate

Describe TTL, MOS & CMOS open drain and tristate outputs

Describe CMOS transmission gate

Describe IC interfacing

Lecture plan :


Teaching

1 Classification of Integrated circuits,

comparison of various logic families

2 PPT+Video

2 standard TTL NAND Gate Analysis& characteristics - 2 PPT

3 TTL open collector O/Ps, Tristate logic 2 PPT

4 TTL, MOS & CMOS open drain and tristate outputs 1 PPT+ chalk

&board

5 CMOS transmission gate. 1 PPT,

6 IC interfacing- TTL driving CMOS & CMOS driving TTL. 3 PPT, Chalk &

board


board

Total = 13

UNIT – V

COMBINATIONAL CIRCUIT DESIGN:Design using TTL-74XX & CMOS 40XX series, code converters,

decoders, Demultiplexers, decoders &drives for LED & LCD display. Encoder, priority Encoder,

multiplexers &their applications, prioritygenerators/checker circuits. Digital arithmetic circuits-parallel

binary adder/subtractor circuits using2’s, Complement system. Digital comparator circuits.

SEQUENTIAL CIRCUITS: Flip-flops & their conversions. Design of synchronous counters. Decade counter,

shift registers & applications, familiarities with commonly available 74XX & CMOS 40XX series of IC

counters.

Memories: ROM architecture, types and applications, RAM architecture, Static and Dynamic RAMS,

Synchronous DRAMS

Learning objectives :


Performthe conversion of different Flip flops

Design synchronous counters, Decade counter & shift registers

Know thebasics of74XX & CMOS 40XX series of IC counters.

Know the conversion of different Flip flops

Design synchronous counters, Decade counter & shift registers

Know basics of 74XX & CMOS 40XX series of IC counters.

Describe ROM and RAM architecture, static and dynamic RAMs

Lecture plan :


Teaching

1. Design using TTL-74XX & CMOS 40XX series, code

converters, decoders

Demultiplexers, decoders & drives for LED & LCD display

Encoder, priority Encoder

multiplexers & their applications, priority

generators/checker circuits

2 PPT

2. Digital arithmetic circuits-parallel binary adder/subtractor 2 PPT

circuits using 2’s,

Complement system. Digital comparator circuits.

3. problems and discussion of old question papers.

Flip-flops & their conversions

Flip-flops & their conversions

2 PPT

4. Design of synchronous counters. Decade counter

Design of shift registers & applications

familiarities with commonly available 74XX & CMOS 40XX

series of IC counters.

2 PPT+ chalk

&board

5. ROM architecture, types & applications,

RAM architecture, Static & Dynamic RAMs

synchronous DRAMs.

2 PPT, Video


board

Total = 12

TEXT BOOKS

1. Micro Electronics by Jacob Millman (ISE)

2. Op Amp and Linear Integrated circuits by Ramakanth Gayakward (PHI)

REFERENCE BOOKS

1. Integrated Circuits by Bolkar (khanna)

2. Applications of Linear Integrated Circuits by Clayton


DEPARTMENT OF ELECTRONICS & INSTRUMENTATION ENGINEERING

III B. Tech. Semester I (Electronics & Instrumentation Engineering)

Subject : PROFESSIONAL ETHICS AND HUMAN VALUES

Subject Code : 13CSE030

Academic Year : 2016–’17


Number of Hours / week : 4

Total number of periods planned : 45

Name of the Faculty Member : DR. CHAKRAVARTHULA KIRAN

III B. Tech. EIE I Sem. L T/P/D C Open Elective

3 0 3

(13CSE030) PROFESSIONAL ETHICS AND HUMAN VALUES

UNIT I: INTRODUCTION TO HUMAN VALUES AND ETHICS

Human Values: Morals, Values and Ethics – Integrity – Work Ethic – Service Learning

– Civic Virtue – Respect for Others – Living Peacefully – caring – Sharing –Honesty – Courage – Valuing

Time – Co-operation – Commitment – Empathy – Self-Confidence – Character – Spirituality

Introduction to Ethical Concepts: Definition of industrial ethics and values, Ethical rules of industrial

worker – Values and Value Judgements – Moral Rights and Moral rules – Moral character and

responsibilities – Privacy, confidentiality, Intellectual property and the law – Ethics as law

Learning Outcomes:


understand the need to study and appreciate Human Values

understand the need to study and appreciate Professional Ethics

understand the motivation to be ethical through real-world examples

understand various fundamental concepts/definitions pertaining to values & ethics

Lecture Plan:

# Description of Topic No. of

Classes Method of Teaching

1 WIT & WIL, Introduction 1 Presentation

2

Morals, Values, Ethics, Integrity, Respect for others,

Service, Civic virtue, Living peacefully, Caring, Sharing

Honesty, Courage, Valuing time, Cooperation, Empathy

Commitment, Self-confidence, Character, Spirituality

2

Videos, Presentations,

Flipped Classroom

Sessions, Think-Pair-

Share Activities

3 Work ethic, Industrial ethics and values, Ethical rules 1 Video, Presentation

4 Values and value judgements, Moral rights and rules, Moral

character and responsibilities

1 Video, Presentation

5 Review: Real-life examples and Case Studies 2 Think-Pair-Share

Total Class Hours 7

UNIT II: UNDERSTANDING ENGINEERING ETHICS

Ethics: Action Oriented-Ethical Vision – Indian Ethos – Ethics Defined

Engineering Ethics: Various Connotations of Engineering Ethics, Why Study Engineering Ethics?

Personal and Business Ethics – Ethics and the Law – Sense of ‘Engineering Ethics’ –

Variety of moral issues: Types of inquiry – Moral dilemmas – Moral Autonomy – Kohlberg’s theory –

Gilligan’s theory – Consensus and Controversy

Professions and Professionalism: Professional Ideals and Virtues – Theories about right action – Self-

interest – Customs and Religion – Uses of Ethical Theories – Engineering as a Profession – Professional

Societies – Core Qualities of Professional Practitioners – Professional Institutions, Operating in a

Pluralistic Society

Environments and Their Impact: Economic Environment – Capital Labour – Price Levels – Government

Fiscal and Tax Policies – Customers – Technology

Learning Outcomes:


understand Indian ethos, societal ethics and standards, morals

understand the correlation among personal, business, and professional ethics

understand moral dilemmas and appreciate individual action in being ethical

understand engineering ethics and professional institution of ethics through societies and other professional establishments

understand the motivation for the inception and sustenance of religion

appreciate government policies pertaining to finances and taxes

understand the mutual impact of technology and modern society versus ethics

Lecture Plan:



1 Ethics, Indian Ethos, Ethical vision 1 Video, Presentation

2 Engineering Ethics – Introduction, motivation, concept 1 Video, Presentation

3 Personal & Business Ethics, Law 1 Video, Presentation

4 Moral issues, dilemmas, autonomy, theories 2 Think-Pair-Share

5 Right action, self-interest, consensus, controversy 1 Think-Pair-Share

6 Professions, professionalism, Engineering as profession 1 Video, Presentation

7 Core qualities of professionals, professional societies and

institutions


6 Customs and religion, ethical theories, pluralistic society 1 Video, Presentation

7 Environmental impact, economy, capital labour, price levels,

fiscal and tax policies, customers, technology

1 Lecture, Presentation/

Video, GIL


Total Class Hours 11

UNIT III: ENGINEERING AS SOCIAL EXPERIMENTATION

Engineering as Social Experimentation – Comparison with Standard Experiments

Knowledge Gained Conscientiousness, Relevant Information, Learning from the Past

Engineers as managers, Consultants, and Leaders, Accountability, Engineers as Responsible

Experimenters

Codes of Ethics – A Balanced Outlook on Law

Engineers and Managers – Organizational complaint procedures – Government agencies Resolving

Employee concerns – Limits on acceptable behaviour in large corporations – Ethical and legal

considerations, Organizational responses to offensive behaviour and harassment

Learning Outcomes:


appreciate engineering as a specialized profession as a combination of management, consultation, and leadership

understand the various policies and procedures established by government and corporate establishments in order to protect individual interests, ethics, and values

understand engineering as an experimentation and learning from the previously obtained knowledge

Lecture Plan:



1 Engineering as social experimentation 2 Video, Presentation

2 Conscientiousness, learning from the past 1 Video, Presentation

3 Engineers as managers, consultants, and leaders 2 Video, Presentation

4 Engineers as experimenters, accountability 1 Video, Presentation

5 Code of ethics, law 1 Presentations/Videos

6

Complaint procedures, acceptable behaviour in corporate

world, response to offensive behaviour

Government’s role in resolving employee concerns

1 Videos, Presentations

7 Ethical and legal considerations 1 Video, Presentation

8 Review: Real-life examples and Case studies 1 Think-Pair-Share

Total Class Hours 11

UNIT IV: WORKPLACE RIGHTS AND RESPONSIBILITIES

Professional Responsibility: The basis and scope of Professional Responsibility –

Professions and Norms of Professional Conduct – Ethical Standards versus Profession – Culpable

mistakes – Autonomy of professions and codes of ethics – Employee status and Professionalism –

Central Professional Responsibilities of Engineers: Emerging consensus on the Responsibility for safety

among engineers

Hazards and Risks: Safety and Risk – Assessment of Safety and Risk – Risk Benefit Analysis and reducing

risk – Ethical standards vs. Professional conduct – Collegiality and Loyalty – Respect for Authority –

Collective Bargaining – Confidentiality – Conflicts of Interest – Occupational Crime – Professional Rights

– Employee Rights – Intellectual Property Rights (IPR) – Discrimination

Learning Outcomes:


understand the responsibility of professionals to be ethical and work within the organization for a win-win outcome

understand how engineers must work with due regards to safety and understand the risk and benefits thereof

understand crime and culpable mistakes associated with professions

appreciate the rights attributed to professionals and employees and IP

Lecture Plan:



1 Professional responsibility, norms and conduct 1 Video, Presentation

2 Autonomy of profession, employee status 1 Video, Presentation

3 Responsibility for safety, hazards, risk assessment, risk

benefit analysis

2 Presentations/Videos,

GIL

4 Collegiality, loyalty, respect for authority, confidentiality

Occupational crime, culpable mistakes, discrimination,

ethical standard, collective bargain

1 Videos, Presentations

5

6 Conflict of interest, Professional rights, IPR 1 Video, Presentation


Total Class Hours 7

UNIT V: ETHICS IN GLOBAL CONTEXT Global Issues: Multinational Corporations – Environmental Ethics – Computer Ethics – Weapons

Development

Engineers as Managers – Consulting Engineers – Engineers as Expert Witnesses and Advisors

Moral Leadership – Sample Code of Ethics like ASME, ASCE, IEEE, Institution of Engineers (India), Indian

Institute of Materials Management, Institution of Electronics and Telecommunication Engineers (IETE),

etc.

Learning Outcomes:


understand the importance of ethics in global perspective

understand the role of engineers as per the global standards

know the code of ethics of various national and international professional societies Lecture Plan:



1 Environment Ethics, Computer Ethics, Weapons

Development


2 Engineers as expert witnesses and advisors, Moral

Leadership


3 Code of ethics of professional societies: Examples 3 Video, Presentation


Total Class Hours 9

TEXT BOOKS

1. Mike Martin and Roland Schinzinger, “Ethics in Engineering”, McGraw Hill Education India Pvt. Ltd., 4th ed., 2014 (ISBN: 978-9339204457)

2. Caroline Whitbeck, “Ethics in Engineering Practice and Research”, Cambridge University Press,

2012 (ISBN: 978-0511976339)

3. Govindarajan M., Natarajan S., SenthilKumar V.S., “Engineering Ethics (Includes Human Values)”, Prentice Hall India, 2012 (ISBN: 978-8120325784)

REFERENCE BOOKS

1. Charles B. Fleddermann, “Engineering Ethics”, Pearson Education Ltd., 2013 (ISBN: 978-

1292012520)

2. Charles E Harris, Michael S Pritchard and Michael J Rabins, “Engineering Ethics: Concepts and

Cases”, Cengage Learning, 2012 (ISBN: 978-8131517291)

3. John R. Boatright, “Ethics and the Conduct of Business”, Pearson Education, 2008 (ISBN: 978-

0205667505)

4. Edmund G. Seebauer and Robert L Barry, “Fundamentals of Ethics for Scientists and Engineers”, Oxford University Press, 2008 (ISBN: 978-0195698480)

5. Gail D. Baura, “Engineering Ethics: An Industrial Perspective”, Academic Press Inc., 2006 (ISBN:

978-0120885312)

6. Joel Lefkowitz, “Ethics and Values in Industrial-Organizational Psychology”, Lawrence Erlbaum

Assoc Inc., 2003 (ISBN: 978-0805833546)

JOURNALS:

1. Business and Professional Ethics Journal, ISSN: 1063-6579 2. Journal of Human Values, ISSN: 0971-6858 3. Science, Technology & Human Values, ISSN: 0162-2439 4. The Journal of Ethics, ISSN: 1382-4554 5. Science and Engineering Ethics, ISSN: 1353-3452 6. Ethics, ISSN: 0014-1704 7. Asian Journal of Management Cases, ISSN: 0972-8201 (Available at VNRVJIET)


(Autonomous)

DEPARTMENT OF ELECTRONICS AND INSTRUMENTION ENGINEERING

III B. Tech, I Semester (Electronics and Instrumentation Engineering)

Subject : Virtual Instrumentation

Subject Code :

Academic Year : 2016 – 17


Number of Hours / week : 34+ 1

Total number of periods planned: 68

Name of the Faculty Member: K. Sudha Rani

Course Objectives:

It provides new concepts towards measurement and automation.

It gives knowledge about how to control an external measuring device by interfacing a

computer.

To become competent in data acquisition and instrument control.

It gives knowledge networking

It provides knowledge on developing different applications in Digital Image Processing.

Control system, signal processing and in simulation.

Course Outcomes (COs): Upon completion of this course, students should be able to:

CO-1: Acquire knowledge on how virtual instrumentation can be applied for data acquisition and instrument control

CO-2: Identify salient traits of a virtual instrument and incorporate these traits in their projects.

CO-3: Experiment, analyze and document in the laboratory prototype measurement.

CO-4: Signal processing and in simulation systems using computer ,plug-in DAQ interface and bench level instruments.

UNIT : I

Syllabus:

VIRTUAL INSTRUMENATATION :Historical perspective, advantages ,block diagram and Architecture of a

virtual instrument, data flow techniques, graphical programming in data flow, comparison with

conventional programming, development of virtual instrument using GUI , real time systems ,embedded

controller , OPC,SCADA SOFTWARE,ACTIVE X –Programming.

Learning Objectives: 1. Write down the advantages of VIRTUAL INSTRUMENATATION.

2. Draw the block diagram of VIRTUAL INSTRUMENATATION and explain Architecture of a virtual

instrument.

3. Explain the data flow techniques?

4. Explain the graphical programming in data flow?

5. Develop a virtual instrument using GUI?

6. What is embedded controller?

7. What is SCADA software?

8. What is ACTIVE X –Programming? And explain?

Lecture Plan


1. Historical perspective, advantages 1st & 2nd hour Blackboard

2. block diagram and Architecture of a virtual

instrument

3rd & 4th hour Black board + PPT

3. data flow techniques 5th hour Black board

4. graphical programming in data flow 6th hour Black board+PPT

5. comparison with conventional programming 7th hour Black board

6. development of virtual instrument using GUI 8th and 9th hour Black board + PPT

7. real time systems 10th and 11th

hour

Black board + Video

8. embedded controller 12th hour Black board

9. OPC,SCADA SOFTWARE 13th and 14th

hours

Black board + Video

10. ACTIVE X –Programming.

14th and 15th

hour

Black board

Assignment – 1

1With the block diagram of VIRTUAL INSTRUMENATATION, explain Architecture of a virtual instrument.

2. What are the data flow techniques?

3. Explain the graphical programming in data flow?

UNIT : II

Syllabus:

VI Programming techniques: VIS and sub VIS, loops and charts, arrays, clusters and graphs, case and

sequence structures, formula nodes, local and global variables, string and file I/O instrument drives,

publishing measurement data in lab

Learning Objectives: 1. What is VIS and sub VIS?

2. Explain about the Loops and charts?

3. Define arrays, clusters and graphs?

4. Discuss about the case and sequence structures?

5. Explain about the formula nodes?

6. Define local and global variables?

7. Discuss about the string and file I/O instrument drives?

Lecture Plan


1. VIS and sub VIS 15th and 16th hour Black board

2. loops and charts 17th and 18th

hours

Black board

3. arrays, clusters and graphs 19th and 20th hour Black board +PPT

4. case and sequence structures 21st and 22nd hour Black board

5. formula nodes 23rd and 24th hour Black board

6. local and global variables. 25th and 26th hour Black board + PPT

7. string and file I/O instrument drives 27 and 28th hour Black board

8. publishing measurement data in lab 29th hour Black board + Video

Assignment - 2

1. Discuss about the Loops and charts? And explain?

2. How many types of case and sequence structures? Explain?

3. Write short notes on local and global variables?

.

UNIT : III

Syllabus:

Unit-III : VI Chassisrequirements. Common Instrument Interfaces: Current loop, RS 232C/ RS485,

GPIB. VISA and IVI.

Application of Virtual Instrumentation: Instrument Control, Signal Measurement and generation: Data

Acquisition


1. Explain about the common instrument interfaces?

2. Explain about the current loop?

3. Difference between the RS232/RS 485?

4. Explain about the data acquisition on pc?

5. Discuss the sampling fundamentals?

6. How many types of buses ere there? Explain?

7. Explain the use ofADC, DAC?

8. Explain digital I/O, counters and timers?

9. What is calibration? And its use?

10. Define resolution?

11. Explain the data acquisition interface requirements?

Lecture Plan


1. input/output techniques and buses RS 232C/

RS485,

30st & 321nd hour Black board + Video

2. GPIB. 32rd & 33th hour Black board + Video

3. VISA and IVI 34th & 35th hour Black board + Video

4. sampling fundamentals ,ADC,DAC 36th & 37th hour Black board + Video

5. digital i/o 38th & 39th hour Black board + Video

6. counters and timers 40st & 41nd hour Black board

7. DMA 42rd & 43th hour PPT + Video

8. software and hardware installation 44th & 45th hour Black board + Video

9. calibration, resolution 46 & 47th hour Blackboard

10. Data acquisition interface requirements.

48 & 49th hour Blackboard

Assignment – 3

1. Write the short notes on RS232/RS 485? Discuss its applications?

2. Write the short notes on common instrument interfaces?

3. With the block diagram of data acquisition explains its use?

4. How many types of ADC’s are there? Explain about the successive approximation technique?

UNIT : IV

Syllabus:

Advanced LabVIEW Data Concepts: Advanced file I/O, Configuring INI files, Calling code from other

languages, Fitting Square Pegs into round holes:Advanced.

Connectivity in LabVIEW: LabVIEW web server, E-mailing data from LabVIEW, Remote Panels, Self

describes data, shared variables,talking to other programs and objects,talking to other

computers,database,report generation.


1. Explain about the Advanced file I/O ?

2. Explain about the Configuring INI files?

3. Write the short notes on code from other languages?

4. Explain avout Fitting Square Pegs into round holes.

5.What is LabVIEW web server?

6. Discuss about the E-mailing data from LabVIEW

7. What is Remote Panels?

8.Discus about the shared variables?

9. Write about talking to other computers?

10. Explain about database,report generation.

Lecture Plan

S. No. Description of Topic No. of Hrs. Method of Teaching

1. Advanced file I/O,

50th Hour Black board

2. Configuring INI files, 51st hour Black board

3. Calling code from other languages 52nd hour Black board

4. Fitting Square Pegs into round holes:Advanced. 53th hour Black board+PPT

5 LabVIEW web server, talking to other

computers,

54th hour Black board

6 E-mailing data from LabVIEW, 55th hour Black board

7 Remote Panels, Self describes data, 56th hour Black board

8 Shared variables,talking to other programs and

objects,


9 Database,report generation.


Assignment - 4

1. Write the short notes on Fitting Square Pegs into round holes Discuss its applications?

2. Write the short notes Report Generation?

UNIT : V

Syllabus:

Simulation of systems using VI, Development of Control system, Industrial Communication,Image

acquisition and processing, Motion control.

Learning Objectives: 1. Explain about the Simulation of systems using VI

2. Discuss about the control system?

3.Write about the Industrial Communication?

4. Explain about Image acquisition and processing ?

5.What is motion control?

Lecture Plan

S. No. Description of Topic No. of Hrs. Method of Teaching

1. Simulation of systems using VI & 59th hours Black board + Video

2. Development of Control system 60th & 61th hours Black board

3. Industrial Communication, 62st & 63rd hours Video

4. Image acquisition and processing 64th & 65th hours Video

5. Motion control. 66th & 67th hours Black board

Assignment - 5

1. Write about simulation of control system using vi?

2. Write some applications of virtual instrumentation?

3.write short notes simulation of motion control using vi?

TEXT BOOKS

Text Books:

1. Gary Johnson, LabVIEW Graphical Programming, 2nd edition,McGraw Hill,Newyork, 1997.

2. Lisa K. wells & Jeffrey Travis, LabVIEW for everyone, Prentice Hall, New Jersey, 1997.

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