First cycle
degree courses
Second cycle
degree courses
Single cycle
degree courses
School of Engineering
PRODUCT INNOVATION ENGINEERING
Course unit
FLUID POWER SYSTEMS
INL1000014, A.A. 2018/19

Information concerning the students who enrolled in A.Y. 2017/18

Information on the course unit
Degree course Second cycle degree in
PRODUCT INNOVATION ENGINEERING
IN0531, Degree course structure A.Y. 2015/16, A.Y. 2018/19
N0
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Number of ECTS credits allocated 6.0
Type of assessment Mark
Course unit English denomination FLUID POWER SYSTEMS
Website of the academic structure http://www.gest.unipd.it/it/corsi/corsi-di-studio/corsi-di-laurea-magistrale/ingegneria-dell-innovazione-del-prodotto
Department of reference Department of Management and Engineering
Mandatory attendance No
Language of instruction Italian
Branch VICENZA
Single Course unit The Course unit can be attended under the option Single Course unit attendance
Optional Course unit The Course unit can be chosen as Optional Course unit

Lecturers
Teacher in charge ALARICO MACOR ING-IND/09

ECTS: details
Type Scientific-Disciplinary Sector Credits allocated
Core courses ING-IND/08 Fluid Machines 6.0

Course unit organization
Period Second semester
Year 2nd Year
Teaching method frontal

Type of hours Credits Teaching
hours
Hours of
Individual study
Shifts
Lecture 6.0 48 102.0 No turn

Calendar
Start of activities 25/02/2019
End of activities 14/06/2019
Show course schedule 2019/20 Reg.2015 course timetable

Examination board
Board From To Members of the board
10 2018 01/10/2018 15/03/2020 MACOR ALARICO (Presidente)
MASI MASSIMO (Membro Effettivo)
9 2017 01/10/2017 15/03/2019 MACOR ALARICO (Presidente)
MASI MASSIMO (Membro Effettivo)

Syllabus
Prerequisites: The course requires the knowledge of the topics covered in any Machines or Fluid Machines course.
Target skills and knowledge: Assimilation of criteria and methods for the study of the fluid power circuits.
Design and dynamic verification of circuits designed to carry out a work cycle.
Design and dynamic verification of hydraulic circuits for vehicular traction.
Examination methods: The exam is oral and consists of the design of a simple circuit and a short Power Point presentation (max. 15 minutes), in which the candidate will discuss his year project.
Assessment criteria: The assessment is based on the degree of assimilation of criteria and methods for the study of fluid power circuits, as well as on the ability to to synthesize and expose a problem.
Course unit contents: GENERALITIES
Recalls of Fluid Mechanics.
Physical characteristics of hydraulic fluids.

COMPONENTS
Hydraulic pumps: types, functional characteristics, powers and efficiencies.
Hydraulic motors: types, functional characteristics, powers and efficiencies.
Pressure, flow and direction control valves (distributors); cartridge valves.
Proportional valves: selection and verification of a proportional valve; minimum opening time.
Accessory organs: tank, accumulators, pipes, filters.

HYDRAULIC CIRCUITS AND CONTROL TECHNIQUES
The elementary hydraulic circuit.
Analysis and sizing of hydraulic circuits.
Variable displacement pump control techniques: pressure control, "load sensing" system.
Introduction to the control systems for oil-hydraulic circuits: proportional, integral and derivative controls; the PID regulator.

HYDRAULICS FOR VEHICULAR APPLICATIONS.
Hydrostatic transmissions: operation and circuit.
The sizing of a hydrostatic transmission for heavy vehicles.
The power-split hydromechanical transmission: Input Coupled and Output Coupled types, transmission sizing for agricultural and road applications, optimal management of the engine-transmission unit.


COMPUTER EXERCISES THROUGH A SIMULATION CODE
Leakage models for variable displacement pump or motor.
Static design and dynamic verification of circuits with:
- pumps connected in parallel;
- hydraulic accumulator;
- proportional valve with open loop and closed loop with PI regulator.

YEAR PROJECT
One of the following themes may be chosen:

1) Design and simulation of the power circuit of a vertical press for sheet metal.
2) Design and simulation of the hydrostatic transmission for a forklift or a small-sized vehicles.
3) Design and simulation of a kinetic energy recovery system in a city bus (KERS).
4) Design and simulation of a hydro-mechanical power-split transmission for city bus or tractor.
Planned learning activities and teaching methods: Lectures and computer exercises using specific simulation code.
Additional notes about suggested reading: Sistemi Oleodinamici -Lecture notes by the teacher
Lecture notes
Textbooks (and optional supplementary readings)
  • Anthony Esposito, Fluid Power with Applications. --: Pearson, 2009. Cerca nel catalogo
  • Hanno Speich, Aurelio Bucciarelli, L'Oleodinamica - Principi - Componenti - Circuiti. Milano: Tecniche Nuove, 1988. Cerca nel catalogo

Innovative teaching methods: Teaching and learning strategies
  • Use of online videos
  • Loading of files and pages (web pages, Moodle, ...)

Innovative teaching methods: Software or applications used
  • Moodle (files, quizzes, workshops, ...)
  • LMS - Amesim - code for the simulation of mechanical and fluid power circuits

Sustainable Development Goals (SDGs)
Industry, Innovation and Infrastructure