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Course Detail

Course Name Instrumentation and Control Systems
Course Code 19MEE304
Program B. Tech. in Mechanical Engineering
Semester Five
Year Taught 2019


Unit 1

Fundamentals of Measurement Systems, Instrument Types and Performance Characteristics, sources of error, classification and elimination of error, uncertainty analysis- statistical analysis of experimental data, curve fitting.

Signal conditioning, amplifiers, and filter, Wheatstone bridge, Analog to Digital and Digital to Analog Circuits.

Unit 2

Pressure Measurement: Elastic transducers, Bourdon gauge, Bellows, Diaphragm. Flow measurement: Turbine meter, hot-wire anemometer and Laser Doppler Anemometer. Level Measurement: Float gauge, Capacitive and ultrasonic level sensors.

Introduction to control systems – open and closed loop control systems – Modeling of simple mechanical and electrical systems – transfer functions – block diagrams and its reduction techniques, signal flow graphs.

Unit 3

Time response characteristics of control systems – Time response of first order systems – response to step, ramp and impulse – Time response of second order system to step input – time domain specifications and steady state error

Stability analysis of control systems- concept of poles and zeros- Routh Hurwitz criterion- simple examples- root locus technique

Frequency Response- Frequency Response specifications, Bode diagram, Polar Plot and Nyquist Plot, Stability analysis using Nyquist Stability Criterion, Relative stability, Gain and Phase Margin. Lag-Lead Compensation, Control systems analysis and design in state space

Basic control actions: Introduction to PI, PD and PID controllers, Design of a PID controller with Ziegler-Nichols rule

Objectives and Outcomes

Course Objectives

  • Familiarize with basic principles and characteristics of measuring instruments
  • Inculcate knowledge on performing error analysis
  • Familiarize with analysis of control systems in time domain and frequency domain

Course Outcomes

  • CO1: Analyze static and dynamic characteristics of measuring instruments and identify the errors involved
  • CO2: Apply signal conditioning techniques and analyze the signal
  • CO3: Select and use various measuring instruments for a practical application
  • CO4:Derive the transfer function toobtain steady state response
  • CO5: Analyze dynamic systems for their stability and performance
  • CO6: Design controllers based on stability and performance requirements

CO – PO Mapping

CO1 3 3 2 2 1 3
CO2 3 3 2 2 1 3
CO3 3 3 2 2 1 1 1 3
CO4 3 3 2 2 1 1 1 3
CO5 3 3 2 2 1 1 1 3
CO6 3 3 2 2 1 3

Textbook / References


  • Doebelin’s E.O., and Manik D.N., “Doebelin’s Measurement Systems”, 6th Edition, McGraw Hill Education, 2011
  • Katsuhiko Ogata, “Modern Control Engineering”, 5th Edition, Pearson Education, New Delhi, 2010


  • John P. Bentley, “Principles of Measurement Systems”, 4th Edition, Pearson Education, New Delhi, 2005
  • Richard C. Dorf and Robert H. Bishop, “Modern Control Systems”, 12th Edition, Pearson Education, New Delhi, 2011
  • Norman S. Nise, “Control Systems Engineering”, 7th Edition, John Wiley & Sons, New Delhi, 2015

Evaluation Pattern

Assessment Internal External
Periodical 1 15
Periodical 2 15
*Continuous Assessment (CA) 20
End Semester 50
*CA – Can be Quizzes, Assignment, Projects, and Reports.

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