Description of Individual Course Units
Course Unit CodeCourse Unit TitleType of Course UnitYear of StudySemesterNumber of ECTS Credits
9105095112012Ölçme Sistemleri ve UygulamalarıElective117
Level of Course Unit
Second Cycle
Language of Instruction
Objectives of the Course
The objective of this course is to learn the measurement techniques of electrical and mechanical quantities required in mechatronics R&D studies. Make the students familiar to using strain gauges for the measurement of mechanical quantities, measuring methods of the electrical current, voltage and power, and also to get familiar with other devices used.
Name of Lecturer(s)
Prof.Dr. Adnan DEĞİRMENCİOĞLU, Yrd. Doç. Dr. Hüseyin YÜRDEM, Yrd. Doç. Dr. Mutlu BOZTEPE
Learning Outcomes
1To design a test setup and measure the voltage, current and electrical power.
2To learn basic definitions and terms and their significance
3To learn the methods for the measurements using strain gauges
4To get familiar with the devices and setups used for the measurements
5To learn data storage
Mode of Delivery
Face to Face
Prerequisites and co-requisities
Recommended Optional Programme Components
Course Contents
• Electrical quantities and power measurement • Current measurement methods • Voltage measurement methods • Power measurement methods • Speed measurement methods • Strain gauge related basic terms, construction, types and the use of measurement devices • Selection of strain gauges and configuration • Wheatstone circuits and converting electrical resistance to voltage • Signal conditioning • Data storage • Calibration methods • Electrical noise and temperature compensation • Gauge factor • Force measurements using strain gauges (tensile rod example) • Force measurements using strain gauges ( bending beam example) • Torque measurements using strain gauges (torque shaft example) • Data acquisition systems • Correction for changes in sensitivity, temperature compensation • Calibration methods
Weekly Detailed Course Contents
1Introduction and basic knowledge on course and methods to be followed for teaching
2Definitions of current, voltage active, reactive and apparent power, average and rms quantities. measuring methods of current, voltage and power
3Voltmeter, ampermeter and powermeter devices. Aron’s two wattmeter method. Voltage transformer, current transformer, hall effect current sensors
4Measuring speed with encoder and tachometer. Rotary and absolute encoders. Resolver operation. Distance measuring. Data acquasition via computer.
5Strain gauge techniques and construction and principles Types of strain gauges, terminals and strain gauge configurations
6Wheatstone circuits and converting electrical resistance to voltage and signal conditioning Data storage, calibration methods,
7Electrical noise, temperature compansated strain gauges, gauge factor, tranverse sensitivity Strain mesaurements at higher temperatures
8Midterm exam
9Force measurements using strain gauges (tensile rod example)
10Force measurements using strain gauges ( bending beam example)
11Torque measurements using strain gauges (torque shaft example)
12Data storage and data transfer
13Error minimization and temperature compensation
14Circuit configuration for compensation of temperature and calibration
15Presentations and evaluation of the course
16Final Exam
Recommended or Required Reading
Doebelin, O.E. 1990. Measurement Systems, Application & Design, McGraw – Hill Publishing Company, New York, 960 s. Hoffmann, K. 1976. An Introduction to Strain Gauge Techniques by Practical Experiments, Hottinger Baldwin Messtechnik, Germany, 34 s. Hoffmann, K. 1976. How to avaoid or Minimize Errors in Strain Gauge Mesurement, Hottinger Baldwin Messtechnik, Germany, 67 s. Hoffmann, K. 1976. The Strain Gauge a Universal Tool of the Experimental Stress Analysis, Hottinger Baldwin Messtechnik, Germany, 27 s. Hoffmann, K. 1979. Practical Hints for the Application of Strain Gauges, Hottinger Baldwin Messtechnik, Germany, 47 s. Hoffmann, K. 1974. Applying the Wheatstone Bridge Circuit, Hottinger Baldwin Messtechnik, Germany, 22 s. Hoffmann, K. 1976. Measuring Elementary Load Cases with Strain Gauges, Hottinger Baldwin Messtechnik, Germany, 24 s. Genceli, O. F., 2008, Ölçme Tekniği, (Boyut, Basınç, Akış ve Sıcaklık Ölçmeleri), Birsen Yayınevi, İstanbul
Planned Learning Activities and Teaching Methods
Assessment Methods and Criteria
Term (or Year) Learning ActivitiesQuantityWeight
End Of Term (or Year) Learning ActivitiesQuantityWeight
Work Placement(s)
Workload Calculation
ActivitiesNumberTime (hours)Total Work Load (hours)
Attending Lectures14342
Project Preparation14242
Self Study14228
Individual Study for Homework Problems41040
Individual Study for Mid term Examination12020
Individual Study for Final Examination12525
Contribution of Learning Outcomes to Programme Outcomes
* Contribution Level : 1 Very low 2 Low 3 Medium 4 High 5 Very High
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