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Politecnico di Torino
Academic Year 2015/16
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Sensors and actuation systems laboratory
1st degree and Bachelor-level of the Bologna process in Computer Engineering - Torino
1st degree and Bachelor-level of the Bologna process in Mechanical Engineering - Torino
1st degree and Bachelor-level of the Bologna process in Automotive Engineering - Torino
Espandi...
Teacher Status SSD Les Ex Lab Tut Years teaching
Tonoli Andrea ORARIO RICEVIMENTO O2 ING-IND/14 60 0 0 0 3
SSD CFU Activities Area context
ING-IND/14 6 D - A scelta dello studente A scelta dello studente
Subject fundamentals
The aim of the course is to introduce examples of sensor and actuator systems with relevant application in the engineering field. They will be described by their first approximation mathematical model after an introduction about the physical principles exploited by each of them. This knowledge will be the base of laboratory examples based on the use of microcontroller cards for the acquisition and visualisation of sensor signals and control of simple actuators.
Expected learning outcomes
The course will give the basic knowledge of the fundamental principles at the base of sensor and actuator systems used in the engineering field, and their first approximation mathematical models. The fundamentals of microcontroller systems and their programming based on block diagram language will allow to interface sensor and actuators to a digital system for data processing and control. The course allows gaining the know-how about catalogue selection of some simple actuator and sensor system, and the conception and implementation of an acquisition and command system based on microcontroller card.
Prerequisites / Assumed knowledge
Basic principles about physics (mechanics and electromagnetics), algebraic and differential equations, integrals and derivatives, programming.
Contents
Aim of the course, organization, teaching material and exam type and mode.
Introduction to mechanical components: mass, spring, damper, gearbox/lever.
Introduction to fluid power systems: relevant physical variables and components: linear actuator, volumetric machines, valves, accumulators.
Introduction to ideal electrical components: inductor, capacito, resistor, transformer, voltage and current generators, switches.
Introduction to magnetic circuit analysis: physical variables and basic equations (Faraday, Ampere).
Energy conversion in ideal transducers such as hydraulic piston, lever, screw, gearbox.

Sensors
Position and displacement: linear and rotary potentiometer, eddy current sensor, linear and rotary encorder.
Mechanical strain: strain gauges.
Acceleration: piezoelectric and MEMS accelerometer, voice coil accelerometer.
Speed: geophone, tachometer.
Force: load cells for static and dynamics force measurements.

Actuators
Fluid power rotary and linear actuators.
Linear and rotary voice coils.
Electromagnets.
Brushed motor, stepper motor.
Piezoelectric actuators.

Microprocessor systems
Introduction to microprocessor systems for data acquisition and actuator control (Arduino based), programming by means of Simulink based block diagram language.
Delivery modes
The course includes 25 hour lecture in the classroom and 15 hours laboratory or classroom exercise. Study cases based on the use of Arduino boards will be developed during the exercises with the aim of understanding how to make data acquisition from sensors and how to control simple actuators such as brushed and brushless motors.
The study cases could lead to projects that can be proposed by students or assigned by the teacher.
Texts, readings, handouts and other learning resources
The study will be based on the lecture notes prepared during the lessons. Additional material such as datasheets, previous projects, software, will be made available on Portale della Didattica.
Textbooks.
1. Nordmann R., Birkhofer H., Elementi di macchine e meccatronica, McGraw Hill 2006, ISBN 9788838662065
2. Sorli M., Quaglia G., Meccatronica, Politeko, 2003, ISBN: 888738035X

http://www.arduino.cc

http://it.mathworks.com/products/matlab.html
Assessment and grading criteria
The final evaluation will be based on the discussion of the developped project and its documentation by means of a technical report. As an alternative the student can choose to have a written examination based on open questions and numerical exercises on the topics studied during the course.

Programma definitivo per l'A.A.2017/18
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