Experimental Methods (FSI-QEM)

Academic year 2023/2024
Supervisor: prof. Ing. Josef Štětina, Ph.D.  
Supervising institute: ÚADI all courses guaranted by this institute
Teaching language: Czech
Aims of the course unit:

The aim of the course is to acquaint students with measurement methods and approaches to experimental problem solving with a focus on vehicles and their drivetrains (BEV, ICE, HEV). It is essential to obtain a basic idea of the complexity of experimental work and current technical possibilities for their solution.
Learning outcomes and competences:
The graduate of the course will acquire theoretical knowledge and practical experience with experimental work with an emphasis on the use of computers in measuring and processing the experiment is able to simplify problems to choose the solution procedure and to orientate in the selection of appropriate measuring techniques.
Prerequisites:

Basic knowledge of mathematics, physics, mechanics and electrical engineering at the level of a bachelor's degree in engineering.
Course contents:

The course "Experimental Methods" introduces students to the procedures and methods used in experimental problem solving in the Automotive and Traffic Engineering program so that they are able to apply them in practice. It explains the basics of modern methods for measuring mechanical quantities and defines the structure of the measurement and control instrumentation chain. Measures kinematic quantities, forces, moments, pressure, temperature and noise.
Teaching methods and criteria:
The course is taught through lectures explaining the basic principles and theory of the discipline. Teaching is suplemented by practical laboratory work.
Assesment methods and criteria linked to learning outcomes:

Conditions for credit: active participation in the exercise, and preparation of measurement protocols. Examination: the examination verifies the acquisition of knowledge acquired in lectures, it is mainly oriented on the application of this knowledge to measurement and instrumentation, the examination is written in the form of a test and the possibility of oral verification of knowledge, up to 50% of the evaluation consists of the classification of measurement protocols.
Controlled participation in lessons:
Attendance at the exercise is mandatory. Absence is solved with the teacher entering a substitute assignment.
Type of course unit:
    Lecture  13 × 2 hrs. optionally                  
    Laboratory exercise  10 × 2 hrs. compulsory                  
    Computer-assisted exercise  3 × 2 hrs. compulsory                  
Course curriculum:
    Lecture

  1. Basics of the theory of experiment, concepts and methods of work. Prescriptions for measurements. Measurement errors and uncertainties.

  2. Measurement of electrical and non-electrical quantities. Measurement chain. Sensors and their characteristics. Computerised measurement systems. Digitisation, sampling rates. Measuring cards, modules and instruments.

  3. Processing of measurement results.

  4. Measurement of temperatures, pressures, flow and heat fluxes.

  5. Strain gauges, strain gauge signal evaluation methods, application of strain gauges to force and pressure transducers.

  6. Strain gauges, strain gauge signal evaluation methods, application of strain gauges to force and pressure transducers.

  7. Noise, vibration and speed measurements. Acoustic measurements in automotive development.

  8. Identification of noise sources.

  9. Introduction to experimental modal analysis.

  10. On-board measurement issues, Global Positioning System (GPS).
    Driving tests.

  11. Problems of measuring internal combustion engines on engine test benches.

  12. Measurement issues on cylinder test benches, emission measurements.

  13. On-board diagnostics of vehicles, vehicle data networks, On Board Diagnostic, CAN bus based communication.
    Laboratory exercise

  1. Measurement of temperatures, pressures, and flow rates on the combustion engine.

  2. Measurement of forces, speed, engine, and chassis dynamometer.

  3. Tensometry 1

  4. Tensometry 2

  5. Modal analysis, FFT.

  6. Analysis of mechanical vibration of powertrain as a function of operating speed.

  7. Acoustic measurements. Measurement of the acoustic power of a noise source.

  8. Driving tests, GPS.

  9. Brake, shock absorber, and geometry measurements.

  10. On-board diagnostics. Datalogging in automotive technology.
    Computer-assisted exercise

  1. Laboratory safety, processing of measurement results in MATLAB.

  2. Data processing. Measurement chain.

  3. Evaluation of driving tests.
Literature - fundamental:
1. VENKATESHAN, S. P. Mechanical Measurements. 2. London: John Wiley&Sons, 2015. ISBN 978-11-1911-556-4.
2. MCBEATH, Simon. Competition car data logging. 2nd ed. Newbury Park, Calif.: Haynes North America, 2008. ISBN 978-184-4255-658.
3. CROCKER, Malcolm J. Handbook of noise and vibration control. Hoboken: Wiley, 2007, xxiv, 1569 s. : il. ISBN 978-0-471-39599-7.
Literature - recommended:
1. KUTZ, Myer. Handbook of measurement in science and engineering. Hoboken, New Jersey: Wiley, 2013. ISBN 978-0-470-40477-5.
2. TŮMA, Jiří. Vehicle gearbox noise and vibration: measurement, signal analysis, signal processing and noise reduction measures. Chichster: Wiley, 2014, xiv, 243 s. : il. ISBN 978-1-118-35941-9.
3. PAVELEK, Milan a Josef ŠTĚTINA. Experimentální metody v technice prostředí. 3. vyd. Brno: Akademické nakladatelství CERM, 2007, 215 s. ISBN 978-80-214-3426-4.
4. MIŠUN, Vojtěch. Vibrace a hluk. Vyd. 2. / v Akademickém nakladatelství CERM 1. vyd. Brno: Akademické nakladatelství CERM, 2005, 177 s. : il. ISBN 80-214-3060-5.
5. MARTYR, A. J. a M. A. PLINT. Engine Testing Theory and Practice. 3. Oxford: Elsevier, 2007. ISBN 978-0-7506-8439-2.
The study programmes with the given course:
Programme Study form Branch Spec. Final classification   Course-unit credits     Obligation     Level     Year     Semester  
N-ADI-P full-time study --- no specialisation -- Cr,Ex 6 Compulsory 2 1 S