15633 - Applied Mechanics and Automatic Controls

Learning outcomes

Students will learn fundamental topics and methodologies for the study of problems concerning the modelling, the analysis and the design of mechanical transmissions components and hydraulic drives, and the fundamentals of automatic control.

Course contents

1. Drives

Introduction: power, absorption, efficiency, torque-speed characteristics, transients, periodic range, flywheels.

Couplers: classification, solid couplings, Hooke's joint, constant velocity joints, flexible joints, dynamic modelling.

Clutches: classification, disk friction clutches, conical friction clutches, transients, fluid drives.

Brakes: classification, block brakes, transients, brake torque.

Belts: flat belts, V belts, cog belts.

Gear trains: epyciclic trains, differential trains, change gears.

Variable-speed drives: classification, choice of a variable-speed drive.

Cams: trajectory planning, cam-systems.

Hydraulic transmissions: components, pumps, hydraulic motors, hydraulic cilinders, hydraulic circuits.

2. Automatic control

Introduction: historical background, direct and feedback control, block diagrams.

System dynamics: lumped parameter systems, ordinary differential equations, Laplace transforms, tranfer function, examples.

Control systems and Bode analysis: stability, frequency response, Bode plots, phase-gain, phase margin, gain margin.

Readings/Bibliography

· E. Funaioli, A. Maggiore, U. Meneghetti, Lezioni di Meccanica Applicata alle Macchine–Prima Parte: Fondamenti di Meccanica delle Macchine, Patron, Bologna, 2005.

· E. Funaioli, A. Maggiore, U. Meneghetti, Lezioni di Meccanica Applicata alle Macchine–Seconda Parte: Elementi di Meccanica degli Azionamenti, Patron, Bologna, 2009.

· R. Ghigliazza, C.U. Galletti, Meccanica Applicata alle Macchine, Utet, Torino, 1986.

· P.L. Magnani, G. Ruggieri, Meccanismi per Macchine Automatiche, Utet, Torino, 1986.

· G. Legnani, M. Tiboni, R. Adamini, Meccanica degli Azionamenti – Vol. 1 Azionamenti elettrici, Progetto Leonardo, Bologna, 2003.

· J.J. Uicker, G.R. Pennock, J.E. Shigley. Theory of Machines and Mechanisms, Oxford University Press, Oxford, 2003.

· C.E. Wilson, J.P. Sadler. Kinematics and Dynamics of Machinery, Pearson Education - Prentice Hall, Singapore, 2006.

· U. Belladonna, Elementi di Oleodinamica, Hoepli, Milano, 2001

· H. Speich, A. Bucciarelli, Manuale di Oledinamica, Tecniche Nuove, Milano, 2002.

· G. Marro, Controlli Automatici, Zanichelli, Bologna, 2004.

Teaching methods

Theoretical lectures and application examples.

Assessment methods

Written (mandatory) and oral (optional) examination.

Teaching tools

Slides are used as a support for the lesson presetations. Pdf file of the presentation are available at the webpage: http://diem1.ing.unibo.it/personale/troncossi/didattica_tronco.htm

Links to further information

http://www.unibo.it/docenti/marco.troncossi

Office hours

See the website of Marco Troncossi