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ELECTRONIC MEASUREMENT SYSTEMS

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Versione italiana
Academic year
2022/2023
Teacher
GIANNI BOSI
Credits
6
Curriculum
Ingegneria elettronica e wireless
Didactic period
Secondo Semestre
SSD
ING-INF/01

Training objectives

The aim of the course is to provide a comprehensive introduction to the digital and analogues instrumentation typically used in research and development laboratories. In addition, the course deals with the basic concepts for evaluating and expressing the measurement uncertainty.
Main acquired knowledge:
- Ability to evaluate and report measurement uncertainty.
- Working principles of analogue and digital instrumentation.
- Measurement techniques used for device and circuit characterization under static and dynamic operation.
- Basics of programming for automatic control of measurement systems.
Main acquired skills:
- Use of laboratory instrumentation (i.e., oscilloscope, spectrum analyser, digital multimeter, function generator, power supply).
- Characterization of electronic devices (e.g., diodes, transistors) and circuits (e.g., amplifiers, oscillators) under static and dynamic operation.
- Ability to make a reasoned choice of suitable instrumentation and measurement technique for a particular application.
- Ability to set-up a measurement system with interconnected instruments and to develop its control software.

Prerequisites

The following concepts, in addition to the knowledge provided by the course of “Electrical circuits: fundamentals and theory,” are required:
- Basic concepts of probability theory.
- Basic concepts of digital and analogue electronics.

Course programme

The course consists of 60 hours of teaching, divided into lectures and guided laboratory sessions, distributed as follows:

- Introduction (2.5 hours)
- Measurement uncertainty (10 hours)
- Digital multimeter (5 hours)
- Digital storage oscilloscope (5 hours)
- Spectrum analyser (7.5 hours)
- Signal sources (2.5 hours)
- NI LabVIEW (17.5 hours)
- Laboratory sessions (10 hours)

Didactic methods

The course is organized as follows:
- video-lectures on all the topics of the course.
- weekly focus groups in which theory topics will be reviewed with the possible help of exercises and practical demonstrations. Particular attention will be paid to the topics covered by the final examination.
- practical exercises in the computer lab on programming in the NI LabVIEW environment.
- practical exercises in the electronics laboratory on the use of measurement instruments.

To ensure the usability of the contents of the activities held in presence to the students who will follow the course remotely, the lessons will be provided in streaming or by video recordings.

Due to the limited number of workstations in the laboratories, students may have to participate to the practical exercises in groups (max 2 people per group) spread over several shifts.

Learning assessment procedures

The exam consists of a single written test lasting a total of 3 hours. It is divided into 3 sections:
1. exercise on the calculation of measurement uncertainty (max 10 points, pass mark 6 points)
2. questionnaire with open-ended questions on measurement instrumentation (max 13 points, pass mark 7 points)
3. questionnaire with multiple choice or short questions on programming in the NI LabVIEW environment. (max 10 points, pass mark 5 points)
The test allows a maximum of 33 points and is considered passed if the student achieves the pass mark on all three sections, with a minimum score of 18 points overall.

During the test it is not possible to consult texts, notes or other material.

For organizational reasons, the exam list closes two working days before the date of the exam.

Reference texts

Teacher’s handouts

Specific topics can be further developed in the following texts:
Gaetano Iuculano, Domenico Mirri, “Misure Elettroniche”, Ed. CEDAM.
Umberto Pisani, “Misure Elettroniche”, Ed. POLITEKO.
Nihal Kularatna, “Digital and Analogue Instrumentation: Testing and Measurement”, IEE.
Additional texts:
Sigfrido Leschiutta, “Misure Elettroniche”, Ed. Pitagora Editrice Bologna.
Gaetano Iuculano, “Introduzione a probabilità, statistica e processi stocastici nell’Ingegneria e nelle Scienze Fisiche”, Ed. Pitagora Editrice Bologna.
John R. Taylor, “Introduzione all’analisi degli errori”, Ed. Zanichelli.
Alessio Carullo, Umberto Pisani, Alberto Vallan, "Fondamenti Di Misure e Strumentazione Elettronica", Ed. CLUT.
Andrea De Marchi, Letizia Lo Presti, “Incertezze di misura”, Ed. CLUT.
Giovanni Colella, "Manuale di metrologia e strumentazione elettronica", Ed. Hoepli.