29697 - Mechanical and Thermal Measurements and Testing T

Academic Year 2018/2019

  • Teaching Mode: Traditional lectures
  • Campus: Bologna
  • Corso: First cycle degree programme (L) in Mechanical Engineering (cod. 0927)

Learning outcomes

The student acquires knowledge in the field of measurement procedures, uncertainty evaluation and signal processing; moreover he learns testing procedures and operations on a machines and systems.

Course contents

  1. Metrology
  2. Probability
  3. Statistics
  4. Statistical tests and Testing Hypotheses
  5. Automatic measurement systems
  6. Metrological characterization of the measuring instruments
  7. Guide to the expression of uncertainty in measurement (GUM): Assessment methods of the uncertainties of Type A and Type B
  8. Supplement 1 to the GUM - Monte Carlo Method
  9. Analysis of signals in the time domain: causal and non-causal signals; Dirac impulse; sampling of a signal; periodic repetition of a signal; periodic exponential; amplitude modulation of a signal; discrete-time signals; RMS values, Powers, Energies
  10. Analysis of systems in the time domain: analysis of LTI systems; causal discrete-time systems; LTI discrete systems
  11. System analysis in the frequency domain: Fourier Transform; Parseval Theorem; Fourier Transform of the Dirac impulse; Fourier Series; Fourier Series of a periodic signal; Sampling of a periodic signal; Leakage effect; Sampling Theorem and Aliasing effect; Discrete-Time Fourier Transform; Discrete Fourier Series
  12. Input conditioning circuits of measuring instruments: the Op-Amp
  13. Sensors and Transducers used for mechanical applications; the Thermocouples

Readings/Bibliography

Educational material provided by the teacher on the distribution list "lorenzo.peretto.misuremeccaniche"

Teaching methods

Lectures taken in the classroom by using slides and board; laboratory experiments.

Assessment methods

Oral examination

Teaching tools

Computers with data acquisizione boards and function generators for lab experiences

Office hours

See the website of Lorenzo Peretto