MR4103 Sensors and Actuators Syllabus:

MR4103 Sensors and Actuators Syllabus – Anna University PG Syllabus Regulation 2021

COURSE OBJECTIVES

1. To learn the various types of sensors, transducers, sensor output signal types, calibration techniques, formulation of system equation and its characteristics.
2. To understand basic working principle, construction, Application and characteristics of motion, proximity and ranging sensors.
3. To understand and analyse the working principle, construction, application and characteristics of force, magnetic and heading sensors.
4. To learn and analyse the working principle, construction, application and characteristics of optical, pressure, temperature and other sensors.
5. To understand basic working principle, construction, Application and characteristics of linear and rotary actuators.

UNIT I INTRODUCTION TO SENSORS

Basics of Measurement – Classification of errors – Error analysis – Static and dynamic characteristics of transducers – Performance measures of sensors – Classification of sensors – Sensor calibration techniques – Sensor Output Signal Types. Temperature – IC, Thermistor, RTD, Thermocouple.

UNIT II MOTION, OPTICAL AND RANGING SENSORS

Motion Sensors – Brush Encoders, Potentiometers, Resolver, Encoders – Optical, Magnetic, Inductive, Capacitive, LVDT – RVDT – Synchro – Microsyn, Accelerometer.,– GPS, Range Sensors – RF beacons, Ultrasonic Ranging, Reflective beacons, Laser Range Sensor (LIDAR). Photo conductive cell, photo voltaic, Photo resistive, LDR – Fiber optic sensors.

UNIT III FORCE, MAGNETIC, AND HEADING SENSORS

Strain Gage, Load Cell Magnetic Sensors –types, principle, requirement and advantages: Magneto resistive – Hall Effect – Current sensor Heading Sensors – Compass, Gyroscope, Inclinometers.

UNIT IV FLUID POWER ACTUATORS

Hydraulic and Pneumatic System– ISO Symbols for their Elements – Hydraulic Pumps and Motor – Linear Actuators and Types – Control and Regulating Elements — Direction, Flow and Pressure Control Valves – Methods of Actuation, Types, Sizing of Ports – Spool Valves – Electro Hydraulic Servo Valves – Types – Sequencing Circuits Design – Combinational Logic Circuit Design – Interfacing to PLC.

UNIT V ELECTRICAL DRIVES AND ACTUATORS

DC Motors and Types – Single Phase and Three Phase AC Motors – Servomotors – Stepper Motors – BLDC Motor and its Operating Modes – Piezo Electric Actuators – Linear Electrical Actuators – Switching Devices – Relay, BJT, MOSFET, IGBT, SCR – H-Bridge DC Drives under PWM Mode. VFD Drives – AC Servo Drives – Stepper Motor Drives – Drives for BLDC Motor – Selection of Drives – Protection and Switchgears.

TOTAL : 45 PERIODS

COURSE OUTCOMES:

Upon completion of this course, the students will be able to:
1. Understand various sensor effects, sensor characteristics, signal types, calibration methods and obtain transfer function and empirical relation of sensors. They can also analyse the sensor response.
2. Analyze and select suitable sensor for motion, proximity and range measurement.
3. Analyze and select suitable sensor for force, magnetic field, speed, position and direction measurement.
4. Analyze and Select suitable sensor for light detection, pressure and temperature measurement and also familiar with other miniaturized smart sensors.
5. Understand the working principles of various actuators and their applications.

REFERENCES

1. Bolton W., “Mechatronics”, Pearson; 5th edition, 2015
2. Bradley D.A., and Dawson, Burd and Loader, “Mechatronics”, Thomson Press India Ltd., 2004
3. Ernest O. Doeblin, “Measurement system, Application and Design”, Tata McGraw Hill Publishing Company Ltd., Fiftieth Edition, 2004
4. Patranabis D., “Sensor and Actuators”, Prentice Hall of India (Pvt) Ltd., 2005.
5. Renganathan S., “Transducer Engineering”, Allied Publishers (P) Ltd., 2003
6. Antony Esposito, “Fluid Power Systems and Control”, Prentice-Hall, 2006.
7. Austin Hughes, “Electric Motors and Drives Fundamentals, Types and Applications”, Fourth Edition, Elsevier, 2013