15633 - Applied Mechanics and Automatic Controls

Course Unit Page

Academic Year 2018/2019

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

Drives (49 hours)

  • 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.
  • Brakes: classification,  block brakes,  transients,  brake torque.
  • Gear trains: ordinary gearings, 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.

 

Lubrication (11 hours)

  • Introduction to lubricated kinematic pairs. Hydrodynamic lubrication. Hydrostatic lubrication.

Readings/Bibliography

Reference manuals

  • 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.   

Suggested books

    • 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.
    • R. Ghigliazza, C.U. Galletti, Meccanica Applicata alle Macchine, Utet, Torino, 1986.
    • P.L. Magnani, G. Ruggieri,  Meccanismi per Macchine Automatiche , Utet, Torino, 1986.

    In-depth readings

    • G. Legnani, M. Tiboni, R. Adamini, Meccanica degli Azionamenti – Vol. 1 Azionamenti elettrici, Progetto Leonardo, Bologna, 2003.
    • U. Belladonna, Elementi di Oleodinamica, Hoepli, Milano, 2001.

    Teaching methods

    Theoretical lectures and application examples.

    Assessment methods

    Written examination: 5 questions about theoretical aspects and, mainly, applications.

    Optional oral examination for a score variation of 2-3 points at most.

    Teaching tools

    Slides are used as a support for the lesson presetations. Pdf files of the presentation (along with suggested readings and past exams/solutions) are available at http://campus.unibo.it   (NB: forthcoming migration to the MOODLE platform)

    Links to further information

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

    Office hours

    See the website of Marco Troncossi