SENSORS

Ingegneria Elettronica SENSORS

0622400033
DIPARTIMENTO DI INGEGNERIA INDUSTRIALE
ELECTRONIC ENGINEERING
2014/2015

YEAR OF COURSE 2
YEAR OF DIDACTIC SYSTEM 2012
SECONDO SEMESTRE
CFUHOURSACTIVITY
660LESSONS
Objectives
THE COURSE PURPOSE IS TO DESCRIBE THE PRINCIPLES OF OPERATION OF THE MAIN PHYSICAL SENSORS. IN PARTICULAR, WILL BE TREATED MICROSENSORS, WHICH REPRESENT THE STATE OF, BOTH FOR SMALL SIZE, WHICH WELL BLEND WITH MICROELECTRONICS, AND FOR THE LOW COST. IT WILL ALSO EXAMINE PIEZOELECTRIC DEVICES AND CMUTS (CAPACITIVE MICROFABRICATED ULTRASONIC TRANSDUCERS).
Prerequisites
FOR THE SUCCESSFUL ACHIEVEMENT OF OBJECTIVES ARE REQUIRED BASIC KNOWLEDGE OF ELECTRONIC DEVICES AND THE BASIC KNOWLEDGE ACQUIRED IN THE COURSE OF BACHELOR DEGREE.
Contents
SENSORS’ CLASSIFICATION. IDEAL SENSORS AND REAL LIMITATIONS. (HOURS LECTURE / TUTORIAL / LAB 2/-/-)
THERMAL SENSORS. BASIC CONSIDERATIONS AND DEFINITIONS. THERMOCOUPLES. THERMISTORS, THERMODIODES, THERMOTRANSISTORS. (5/1/-)
MECHANICAL SENSORS. PRINCIPLES OF OPERATION. DISPLACEMENT SENSORS. SPEED SENSORS AND FLOW. ACCELEROMETERS. FORCE SENSORS, PRESSURE AND DEFORMATION. OTHER MECHANICAL SENSORS. (8/1/-)
MAGNETIC SENSORS. BASIC CONSIDERATIONS AND DEFINITIONS. HALL EFFECT SENSORS. MAGNETORESISTORS, MAGNETODIODES, MAGNETOTRANSISTORS. (3/1/-)
PIEZOELECTRIC DEVICES. THE PIEZOELECTRICITY. MATHEMATICAL MODELS OF THE SENSORS. DESIGN CRITERIA. ULTRASOUND TRANSDUCERS. THE ELECTROMECHANICAL COUPLING COEFFICIENT OF STATIC AND DYNAMIC. FEM MODELS OF PIEZOELECTRIC DEVICES. (14/10/2)
CMUTS (CAPACITIVE MICROFABRICATED ULTRASONIC TRANSDUCERS) (13 H). PRINCIPLE OF OPERATION. MANUFACTURING TECHNOLOGIES. MATHEMATICAL MODELS. FEM MODELS. DESIGN TECHNIQUES. (10/3/-)
TOTAL HOURS (42/16/2)
Teaching Methods
THE COURSE IS COMPOSED BY LECTURES, CLASSROOM EXERCISES AND LABORATORY EXERCISES ON THE CHARACTERIZATION OF THE PIEZOELECTRIC ELEMENTS.
Verification of learning
THE EXAM CONSISTS OF AN ORAL EXAM ON ALL TOPICS OF THE COURSE.
Texts
J. W. GARDNER: “MICROSENSORS: PRINCIPLES AND APPLICATIONS”, J. WILEY & SONS.
HANDOUTS ON PIEZOELECTRIC DEVICES.
HANDOUTS ON CMUTS

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