SENSORS AND ACTUATORS
The general objective of the course is to acquire an understanding of the modern sensors/microsensors and actuators. Learning outcomes (according to the Dublin descriptors):
#1 Knowledge and understanding: The course is aimed to acquire the methodologies for knowledge, understanding and analysis of sensors and actuators devices.
#2 Applying knowledge and understanding: Those skills will be stimulated and improved though both theoretical, applicative and laboratory lectures.
#3 Making judgements: The course should provide the capability to understand and to analyse sensing and actuating devices. To this aim, the design of simple system is provided and discussed daily.
#4 Communication skills: Students will improve technical language by classroom and laboratory theoretical lessons.
#5 Learning skills: Analysis of complex problems will let the student improving its comprehension skills by describing each complex problem using a scientific methodology.
Elettronica, Elettrotecnica, Fisica.
Introduction to Sensor and Actuator devices: the overall sensors characteristics, regardless its physical nature (4 hours lectures).
- Physical principles of sensing: resistance and capacitance changes, Piezoelectric effect, Pyroelectric effect, Hall effect, Seebeck and Peltier effects (8 hours lectures + 6 hours laboratory).
- Optoelectronic sensors and components (2 hours lectures).
- Optical Fiber sensors (6 hours lectures + 6 hours laboratory.). Distributed and concentrate sensors. Fiber Bragg gratings (FBG): working principle and fabrication. Long period grating sensors.
- CCD and CMOS image sensors (2 hours lectures).
- Temperature sensors (2 hours lectures + 4 hours laboratory): RTD, thermistors,
thermocouples and IC sensors.
- Occupancy and Motion Detectors (2 hours lectures): Ultrasonic sensors and microwave motion detectors, capacitive sensors, optoelectronic motion detectors.
- Touch sensors, pressure sensors and touchscreen (2 ore di lezione).
- Physical sensors in medicine. Introduction to chemical and biosensors (2 hours lectures + 2 hours laboratory).
Frontal and laboratory lectures.
Jacob Fraden, Handbook of Modern Sensors: Physics, Designs, and Applications, 4th ed., Springer 2010
Ping Wang, Qingjun Liu, Biomedical Sensors and Measurement, Springer 2011
Jorg Haus, Optical Sensors: Basics and Applications, Wiley-VCH Verlag GmbH, 2010;
J.W. Gardner, Microsensors: Principles and Applications, Ed. John Wiley & Sons;
R. Jaeger, Microelettronica II Edizione, McGraw-Hill Italia 2005;
A. Sedra, K.C. Smith, Microelectronic Circuits - IV Edition, EdiSES
The purpose of the examination is to check the achievement of the aforementioned skills. The examination consists an oral examination on all the topics covered in the lectures. The oral exam aims to evaluate the understanding of fundamental topics of the subject and the ability to connect and compare different aspects addressed within the lectures.
The final grade is expressed in thirtieths.