DIPARTIMENTO DI INGEGNERIA DELL'INFORMAZIONE
E SCIENZE MATEMATICHE

UNIVERSITA' DEGLI STUDI DI SIENA
 
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Education

Insegnamento
Sensors and microsystems

 
a.a. 2013-2014
Corso Lm Computer and Automation Engineering [RA]
Lm Electronics and Communications Engineering [E ]
Anno 1
Semestre II
Obiettivi To learn how to design and test electronic systems and measurement systems based on sensors.
Ore 60
Crediti 6
Docente Ada Fort

Programma
Basics of sensors and sensing systems. Linear models by generalized lumped parameter networks in thermal and mechanic domains.

Basics on sensor technology. Micro-machining technology.

Resistive sensors (for temperature, strain, optical flux, gas concentration, flow). Front-end circuits forresistive sensors (Wheatstone bridge, instrumentation and differential amplifier). Low frequency-low amplitude measurement problems.

Reactive sensors (for position, humidity, temperature). Front-end circuits for reactive sensors.
(AC measurement circuits, amplifiers for high impedance sources, carrier amplifiers).

Thermocouples and integrated temperature sensor.

Piezoelectric sensors (vibration).
Piezoelectric transducers(Ultrasound). Front end circuit for piezoelectric transducers (charge amplifier). Noise in piezoelectric transducers.


Basics of optical measurement systems and sensors.

Excitation circuits for AC sensors: oscillators.

Filtering: basics of design of analog filters, digital filters principles.

Testi consigliati
Testi di riferimento:

[1] Principles of measurement systems, J.P. Bentley , Prentice Hall-IV Edition-2005

[2] Appunti del docente

Testi di approfondimento:

Electronic Circuits Design and Applications - U.Tietze, Ch. Schenk Ed: Springer-Ver


Dipartimento di Ingegneria dell'Informazione e Scienze Matematiche - Via Roma, 56 53100 SIENA - Italy