CM4201 Advanced Metrology Syllabus:

CM4201 Advanced Metrology Syllabus – Anna University PG Syllabus Regulation 2021

COURSE OBJECTIVES:

 To teach the concepts of metrology.
 To train the students in various aspects of measurement of surface roughness.
 To train the students in the area of interferometry and form measurements.
 To train the students with understanding the fundamental principles of computer aided inspection and laser metrology.
 To introduce the basic principles of image processing and machine vision in context to metrological applications.

UNIT I CONCEPTS OF METROLOGY

Introduction – Terminologies – Standards of measurement – Interchangeability – Selective assembly – Accuracy and Precision – Calibration of instruments – Errors in measurements – Laboratory accreditation, Basics of dimensional metrology and Form metrology – Clean room – Maintenance and handling of metrology equipment’s – Standard practices of inspection rooms.

UNIT II MEASUREMENT OF SURFACE ROUGHNESS

Introduction – Types of Surface Texture – Surface Roughness Measurement Methods – Roughness parameters, bearing area parameters, Contact and Non-Contact type roughness measuring instruments, 3D Surface Roughness Measurement – Nano Level Surface Roughness Measurement – Instruments: Scanning Electron Microscope(SEM), Transmission Electron Microscope(TEM), Scanning and Transmission Electron Microscope(STEM), Atomic Force Microscopy(AFM).

UNIT III INTERFEROMETRY

Introduction – Principles of Interferometry – Optical flats in assessing surface contours – Interferometers – Measurement and Calibration – Laser Interferometry – Engineering applications of interferometry.

UNIT IV COMPUTER AIDED INSPECTION AND LASER METROLOGY

Introduction – Computer Aided Inspection Techniques – Tool Makers Microscope – Coordinate Measuring Machines – Applications – Advanced Laser gauging techniques – Lasers in precision Measurements – Laser Scanners for Reverse Engineering – In-process inspection -Industrial case studies.

UNIT V MACHINE VISION AND IMAGE PROCESSING

Introduction – Machine vision – Overview – Computer imaging systems, Image Analysis, Preprocessing, Human Vision System, Image model, Image enhancement, gray scale models, histogram models, Image Transforms – Applications of image processing -Advantages and limitations and Case studies

COURSE OUTCOMES:

At the end of this course, the students shall be able to:
CO1: Illustrate the fundamental concepts of measurement, standards, calibration, maintenance of laboratory facilities and handling of metrological equipments.
CO2: Explain the roughness and its applications in manufacturing research, learn the important concepts, principles and applications related to interferometry.
CO3: Justify the use of interferometry related sophisticated measurement and inspection facilities.
CO4: Relate the concepts of Computer aided inspection technologies for industrial Situations, design and develop new inspection techniques.
CO5: Discuss the importance of image processing techniques and the possibilities of developing new heuristics for image processing related to metrology.

REFERENCES:

1. “ASTE Handbook of Industries Metrology”, Prentice Hall of India Ltd., India,1992.
2. Bewoor A.K. and Kulkarni V.A.,”Metrology and Measurement”, Tata McGraw-Hill, India, 2009.
3. Galyer F.W. and Shotbolt C.R., “Metrology for engineers”, ELBS, Germany, 1990.
4. Jain R.K., “Engineering Metrology”, Khanna Publishers, India, 2008.
5. Smith G.T., “Industrial Metrology”, Springer, United States, 2002.