Analysis of Experimental Data

Lecturer:

Tutor:

Supervisor:

Department of Electric Drives and Traction

Synopsis:

The course is oriented to the practical application of knowledge in mathematics, electrotechnics, measurements and computer technologies by experiments on electric devices in research and development. Data acquisition and data evaluation by means of computers, application of selected mathematic methods on real cases.

Requirements:

To obtain a credit at least 70% presence in the laboratory in eesential plus elaboration of one technical experiment report . The exam will have both written and oral parts.

Syllabus of lectures:

1. Basic quantities measured on electric devices

2. Measured data flow - requirements, types and properties of sensors and signal conditioners

3. Measurement of characteristics in steaty state operation - inputs, outputs, methods of evaluation

4. Hardware and software for steady state data evaluation

5. Methods and conditions for extrapolation and interpolation on captured curves

6. Errors elimination, polynomial interpolation, least square method

7. Derived characteristics - relation between curves, physical relations

8. Data capturing in transient processes - speed, record length, inputs, outputs, methods of evaluation

9. Hardware and software for transient data evaluation

10. Use of digital oscilloscopes and transient recorders in connection with computers

11. Finding representative information in transient data record

12. Fourier Analysis

13. Integration and derivation of recorded transient data

14. Test reports and protocols, data archiving and possibility to digitize graphs

Syllabus of tutorials:

1. Introduction of the laboratory, safety and organizational rules

2. Behavior of measuring assembly

3. Errors by measurements of voltage, current, power, speed, torque and temperature

4. Automated measuring system - control

5. Automated measuring system - data acquisition

6. Automated measuring system - programming

7. Automated measuring system - tabular and graphic outputs

8. Measurement in steady state operatin of the device under test

9. Interpolation of data measured in steady state

10. Transient process capturing - data transfer into computer

11. Finding time constants, maximum and minimum values, zero crossing instants

12. Fourier Analysis of captured data records

13. Integration and derivation of recorded transient data

14. Final data processing. Credit

Study Objective:

Study materials:

Literature will be specified by the lecturer

Note:

Further information:

No time-table has been prepared for this course

The course is a part of the following study plans:

• Common plan- structured studies (elective specialized course)
• Computer Technology- structured studies (elective specialized course)
• Electronics and Communication Technology - structured studies (elective specialized course)
• Cybernetics and Measurements- structured studies (elective specialized course)
• Heavy-current Engineering- structured studies (elective specialized course)