Optional group:
comune Orientamento unico AD AFFINI-INTEGRATIVE - (show)
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20801749 -
ELECTRICAL ENERGETICS
(objectives)
The course provides to supply the students the basic knowledge of the energy technologies related to electric energy generation taking into account the energy needs in the industrial and civil sector.
Basic instruments and information will be supplied to better understand problems related the distributed energy generation particulary concerning electricity produced by renewable energy sources (photovoltaic, wind, fuelcell – hydrogen, etc.) including energy storage systems.
For the above mentioned energy systems will be analyzed and discussed the problems related to the grid connection and all active components and systems to assure the best quality of the energy distributed.
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LIDOZZI ALESSANDRO
( syllabus)
Loads efficiency: transformers, cables, power factor correction, extension to non-sinusoidal electrical systems, rotating electrical machines, electrical drives.
Power quality: static compensators, active methods suitable to increase the power quality, UPS systems.
Distributed generation: Smart-Grid, hydroelectric, geothermal, biogas and biomass power plants.
Energy storage systems: electrochemical, supercapacitors, superconducting magnets (SMES), flywheels, hydrogen storage.
Photovoltaic systems: introduction on PV systems, photovoltaic cell structure, Maximum Power Point Tracking (MPPT) algorithms, grid synchronization algorithms, stand-alone operation, regulation and control systems, inverters for grid connected applications.
Wind energy conversion systems: wind turbine characteristics, fixed and variable speed mode of operations, conversion structures, Maximum Power Point Tracking (MPPT) algorithms.
Real-Time simulation of electrical systems by Hardware-in-the-loop (HIL) platforms. From model design to solver deploy.
Mobile Power Generation: fuel-cells, fixed speed gen-set and variable speed systems.
( reference books)
Notes provided by the course manager.
Books available through the university library system
Renewable and Efficient Electric Power Systems (https://ieeexplore.ieee.org/servlet/opac?bknumber=5237268)
Grid Converters for Photovoltaic and Wind Power Systems (https://ieeexplore.ieee.org/servlet/opac?bknumber=5732788)
Integration of Alternative Sources of Energy (https://ieeexplore.ieee.org/servlet/opac?bknumber=5201919)
Modeling and Modern Control of Wind Power (https://ieeexplore.ieee.org/servlet/opac?bknumber=8268023)
Advanced Control of Doubly Fed Induction Generator for Wind Power Systems (https://ieeexplore.ieee.org/servlet/opac?bknumber=8571119)
Doubly Fed Induction Machine: Modeling and Control for Wind Energy Generation Applications (https://ieeexplore.ieee.org/servlet/opac?bknumber=6047757)
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20801753 -
THERMOTECHNICAL PLANTS
(objectives)
OBJECTIVE OF THE COURSE IS THE EDUCATION OF PROFESSIONALS IN THE FIELD OF HVAC SYSTEMS. IN THE FIRST PART STUDENTS ARE PROVIDED WITH INFORMATION AND TOOLS TO DESCRIBE THE BUILDING THERMOPHYSICS AND TO EVALUATE THE THERMAL AND IGROSCOPIC COMFORT CONDITIONS. BUILDING ENVELOPE PERFORMANCE AND THERMAL LOADS REFERRED TO THE LEGISLATION ARE ANALYSED. THE SECOND PART IS DEVOTED TO THE DESCRIPTION AND SIZING OF HEATING AND DOMESTIC HOT WATER SYSTEMS. THE LAST PART IS DEVOTED TO THE DESCRIPTION AND SIZING OF AIR CONDITIONING AND THERMAL SOLAR SYSTEMS. STUDENTS LEARN HOW TO CHOOSE AND DESIGN SUCH SYSTEMS, ALSO THROUGH A DESIGN EXERCISE THEY HAVE TO DO AND WRITE A REPORT ABOUT.
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DE LIETO VOLLARO ROBERTO
( syllabus)
- Memorandum about applied physics
-Environmental conditions of thermal comfort and thermo-physical air quality of buildings
- Heating systems: calculation of thermal loads, energy certification.
- Plant components: boilers, radiators, radiant panels, distribution networks, expansion tank; Project of a thermal power plant
- Motion of fluids and sizing of water distribution networks.
- Air conditioning system: calculation of the summer heat load, sizing of an all-air system without and with recirculation, and mixed systems.
- Plant components: refrigeration units, air treatment units, fan coils, etc.
- Motion of fluids and sizing of air distribution networks.
-Design of the heating and air conditioning system components
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20801755 -
MONITORING TECHNIQUES AND RISK EVALUATION METHODS
(objectives)
RISK ANALYSIS AND INDUSTRIAL SAFETY; ANALYTICAL SURVEY OF NEAR MISSES AND LITERATURE CASE STUDIES.
CLASSICAL RISK METHODS AND EVALUATION TECHNIQUES; THE JOB SAFETY ANALYSIS; THE CHECK LIST ANALYSIS;
OHSAS 18001:07 E UNI INAIL GUIDELINES. THE INTERNATIONALLY RECOGNIZED ASSESSMENT SPECIFICATION FOR OCCUPATIONAL HEALTH AND SAFETY MANAGEMENT SYSTEMS. THE OHSAS 18001:07 COMPATIBILITY WITH ISO 9001 AND ISO 14001. THE PLAN – DO –CHECK – ACT SYSTEM. THE DEMING WHEEL.
RELIABILITY. THE RELIABILITY APPROACH AS A TOOL FOR THE ASSESSMENT OF FAILURE AND INJURIES LIKELIHOOD.
FAULT TREE ANALYSIS EVENT TREE ANALYSIS; THE HAZARD OPERABILITY APPOACH (HAZ.OP) AND FAILURE MODE AND EFFECTS ANALYSIS. THE BEHAVIOR BASED ANALYSIS AND RISK ASSESSEMENT TEQNIQUES.
INJURIES AND PROFESSIONAL ILLNESS; DOMESTIC AND INTERNATIONAL DATA BASE, STATISTICAL INDEX AND CASE STUDIES.
ACOUSTICS AND VIBRATIONS. INTERNATIONAL ISO AND MEASURING TECNIQUES. MONITORING METHODS AND IMPACT ASSESSEMENT. GEOSTATICAL METHODS.
DUST AND ASBESTOS DUST RISK ANALYSIS.
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LIPPIELLO DARIO
( syllabus)
Classical Risk methods and assessment techniques; Job Safety Analysis (JSA); Check list analysis, Functional Analysis Space Technique (FAST) method; Professional illness assessment; noise, ergonomics and manual handling. Lifting equation by NIOSH (National Institute Occupational Safefy & Health) Occupational Repetitive Action (OCRA), Snook & Ciriello method. Reliability approach as a tool for the assessment of failure and injuries likelihood. Fault tree analysis (FTA), Event Tree analysis (ETA); Hazard Operability approach (Haz.Op) and Failure Mode and Effects Analysis (FMEA), Behavior based analysis and risk assessment techniques (BBS).
Physical agents: Acoustics and Vibrations. International ISO and measuring techniques. Monitoring methods and impact assessment. Geostatistical methods: variograms, Kriging, Co Kriging
( reference books)
Lecture notes and texts distributed by the teacher
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20801756 -
MATERIALS TECHNOLOGY FOR MECHANICS
(objectives)
THE AIM OF THE CLASS IS TO GAIN KNOWLEDGE OF THE DIFFERENT TYPES OF THE MATERIAL DEGRADATION DUE TO THE AMBIENT OPERATING. IN THIS WAY IT IS POSSIBLE TO EVALUATE THE LIFE AND RELIABILITY IN THE DESIGN PHASE AND THE OPPORTUNITY TO PREVENT AND MONITOR POSSIBLE PROBLEMS AND DEGRADATION DURING THE LIFETIME.
THE MAIN TYPES OF DEGRADATION (DEPENDING ON OPERATING ENVIRONMENTS) AND METHODS TO EVALUATE THE DEGRADATION SPEED ARE TAKEN INTO ACCOUNT.
KNOWLEDGE OF THE MAIN TYPES OF MATERIALS APPLIED IN ENERGY SECTOR (METALLIC, CERAMIC AND COMPOSITE MATERIALS) AND THEIR MANUFACTURING TECHNOLOGIES ARE SHOWN.
BASIC ASPECTS OF THE CLASS OF MATERIALS SCIENCE AND TECHNOLOGY, ACQUIRED DURING THE FIRST DEGREE LEVEL WILL BE APPLIED IN CASE STUDIES. IN THIS WAY THE CORRELATIONS AMONG COMPOSITION, STRUCTURE, MANUFACTURING AND PROPERTIES ARE TAKEN INTO ACCOUNT.
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BEMPORAD EDOARDO
( syllabus)
Cenni ai metodi di caratterizzazione dei materiali
- tecniche diffrattometriche, microscopiche e spettroscopiche. Cenni di metallografia e di prove non distruttive.
Corrosione ad Umido
- Aspetti elettrochimici del degrado, forme di corrosione ad umido, diagrammi di Pourbaix, cinetica della corrosione, ddp e teoria dei potenziali misti – passività, corrosione in ambienti naturali e in ambienti ostili, metodi di prevenzione, protezione, diagnosi e monitoraggio
Tribologia
- Richiami sulla meccanica del contatto. Aspetti tribologici del degrado (adesione, attrito e usura), principali tipologie di usura (adesiva e abrasiva).
- Teoria, metodi e normativa per la quantificazione dell’usura, misure preventive.
Protezione dei materiali
- rivestimenti resistenti all’usura e alla corrosione, barriere termiche.
- Tecnologie di produzione di rivestimenti: rivestimenti galvanici, rivestimenti da fase vapore, rivestimenti termospruzzati.
Materiali compositi
- concetti fondamentali (matrice-rinforzo-interfaccia) e classificazione; regola delle miscele, interazione rinforzo-matrice, durabilità e degrado (creep, fatica, idrolizzazione). Criteri di progettazione: compositi laminati e sandwich; tecnologie di produzione: hand layup, Filament winding, stampaggi a caldo, a freddo e in autoclave, Resin Transfer Moulding, Spray-up. Esempi di applicazione dei compositi.
Materiali ceramici avanzati
- correlazione tra precursori, produzione, struttura e proprietà ottenibili. Criteri di affidabilità (statistica di Weibull); tecnologie di produzione: sinterizzazione, pressatura isostatica a caldo, slip casting, tape casting, codeposizione, termal spraying. Esempi di applicazione dei ceramici per componenti refrattari e barriere termiche. Degrado, corrosione a secco
Complementi:
- Progettazione mediante Elementi Finiti e relative ricadute sui materiali impiegati: simulazione delle proprietà variabili nel tempo e in temperatura. Esempi applicativi di analisi statiche e dinamiche, meccaniche e termo-meccaniche.
Cenni ai trattamenti delle acque ed ai fenomeni correlati per la corretta selezione degli acciai negli impianti per la produzione di energia e negli scambiatori di calore.
( reference books)
Dispense del docente
M. Ashby, H. Shercliff, D. Cebon: "Materiali, dalla scienza alla progettazione ingegneristica" Casa Editrice Ambrosiana
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20801837 -
ADVANCED AUTOMATIC CONTROLS STUDIES
(objectives)
GIVE METHODOLOGIES FOR THE ANALYSIS OF LINEAR AND STATIONARY SISTEMS REPRESENTED WITH CONTINUOUS OR DISCRETE STATE SPACE MODELS. LEARN HOW TO DESIGN A CONTROL SYSTEM ABLE TO ASSIGN DYNAMICS EVENTUALY USING AND OBSERVER OR OPTIMIZING A CONST INDEX.
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20801844 -
QUARRIES AND ENVIRONMENTAL RECOVERY
(objectives)
MONOGRAPHIC CLASS ON MINES AND QUARRY ACTIVITIES. FUNDAMENTALS ARE MINING AND QUARRING METHODS, GEOLOGY ELEMENT, TECTONICS AND HYDRO-GEOLOGY, MINERALS AND ROCKS; MINERAL ASSETS AND BENCH. THE MINING ACTIVITIES PLANNING AND LOCALIZATION. ENVIRONMENTAL IMPACT ASSESSMENT METHODS; ENVIRONMENTAL RECOVERY FUNDAMENTALS. THE PRODUCTION TECHNIQUES AND THE EXPLOITATION METHODS. HEALTH AND SAFETY QUARRIES RELATED LAWS IN FORCE.
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ALFARO DEGAN GUIDO
( syllabus)
Monographic Class on Mines and Quarry activities. Fundamentals are Mining and Quarring methods, Geology element, Tectonics and Hydro-geology, Minerals and Rocks; Mineral assets and bench. The Mining activities planning and localization. Environmental Impact Assessment Methods; Environmental recovery fundamentals. The Production Techniques and the Exploitation Methods. Health and Safety quarries related Laws in force.
Geology element, Tectonics and Hydro-geology, Minerals and Rocks.
Mines and Quarries. Mineral Ore from pits: a) Dimension stones for Shops and Crushing stones (Marbles, Travetinos, Granite, Limestone); b) Building and construction Stones: 1) crushed stones for concrete and compo (Sands, Gravel, crushing Grout); 2) Bricks and Ashler; 3) Crushed Ores and reef Blocks; c) Industrial feedstock (siliceous sands, Diatoms, Kieselguhrs, artful Marl, Dolomites, etc). The geological associations, Mineral assets and bench. The Mining layer, Opencast Pits and Underground Pits. The Disclosing Ratio. The geo-morphology and the Pits’ characteristics.
The Mining activities planning and localization: the all-over exploitation and the Exploitation-Poles; Environmental Impact from Mining Activities and Environmental Impact Assessment.
Exploitation Units and Hierarchy. Underground exploitation methods: Halls and Pillars, Filling methods: Opencast Methods: a) Terraces (exclusive and multiples); b) Leveling by Terraces; Leveling by sub-vertical Rips.
Production Techniques: Blasting hearth-works, mechanical digging, ripping, dozing, scraping. Drilling Techniques and Technologies; Blasting Techniques, Noise, over-pressure, air-blast, Vibrations and Waves. Dumping; conveyor Belts, Crushing Plants, Sifting and Grinding.
Stone Quality and Certification. Dimension Stone exploitation, open cast pits and underground pits; high and low step techniques. Diamond Wire cutting techniques, Saw Chains cutters, Fire and Water Cutting Techniques. Exploitations ratio and Landfill.
Dimension Stone Shops. The production Planning Organization; The PERT Techniques, Minimal and maximal Productiveness. The Functional Analysis Space Technique.
The Exploitation method planning and the step-by-step Recovery. Visibility Charts and Visual Impact mitigation.
Decontamination, recovery and remediation. Naturalistic Engineering Techniques, open-cast pits lakes. Pits outfielders’ Impacts: Noise, Airborne Dusts, Vibrations; Monitoring and mitigating Methods. Occupational Health and Safety. Main Laws in force (Italy, Europe, Areas), Risk Assessment and evaluation (DPR 624). Main Hazards Characterizations, Incidents, Injuries, Accidents, Professional Illness. Noise, Airborne Dusts, Vibrations (DPR 128).
Executive Quarry designing arrangement and Environment recovery.
( reference books)
Lecture notes and texts distributed by the teacher
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20802144 -
ELECTRONIC SYSTEMS FOR MECHANICAL ENGINEERING
(objectives)
COURSE PROVIDES BASIC CONCEPTS INHERENT ANALOG AND DIGITAL ELECTRONICS WITH REFERENCE TO BOTH SIGNAL AND POWER APPLICATIONS. THE STUDENT WILL LEARN ABOUT MAIN CHARACTERISTICS OF ELECTRONIC DEVICES IN NATURAL AND FORCED COMMUTATION WITH EXAMPLES AND APPLICATIONS; BASIC CONFIGURATIONS FOR ANALOG SIGNAL PROCESSING AND FILTERING; BOOLEAN ALGEBRA AND DIGITAL CIRCUITS.
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DI BENEDETTO MARCO
( syllabus)
1.1 Basic concepts on electrical signals and devices.
1.2 Linear system and their study in the time domain
1.3 Laplace transform and system analysis in s-domain.
1.4 Linear circuits analysis.
1.5 Analysis of the frequency domain functions, Bode diagrams and their applications.
2.1 Semiconductors main characteristics and PN junction.
2.2 Diodes in both signal and power applications. Zener and Schottky diodes
2.3 BJT, MOSFET and JFET devices in both signal and power applications. IGBT characteristics and applications.
2.4 Power electronics converters: single-phase and three-phase diode rectifiers, DC-DC converters (Buck, Boost, Buck-Boost and Full-Bridge), introduction to DC-AC converters, sinusoidal voltage regulation with PWM technique, 1ph and 3ph DC-AC converters for 4-quadrans operation, hysteretic current control.
3.1 Digital circuits. Boolean algebra. Boolean algebra. Combinational and sequential circuits.
3.2 Microcontroller and Digital Signal Processors. Memory devices. Analog-to-digital conversion.
3.3 Hall effect. Current and voltage transducers. Position and speed sensors. Temperature sensors. Voltage-to-frequency and frequency-to-voltage converters.
3.4 Operational Amplifiers. Digital-to-analog converters. Analog filters.
3.5 Industrial communication buses: RS-485, DeviceNet, Ethercat, etc. Time-Sensitive-Network (TSN) for deterministic applications.
3.6 Automotive communication buses: CAN, LIN.
3.7 Fieldbus for domotics applications.
( reference books)
In addition to the lecture notes provided by the teacher
D. Johns, K. Martin, Analog Integrated Circuit Design, Wiley
Digital Integrated Circuits, by Jan M. Rabaey, Anantha Chandrakasan, and Borivoje Nikolic, Prentice Hall
Electrical circuits, Charles K. Alexander, Matthew N. O. Sadiku, Giambattista Gruosso, Giancarlo Storti Gajani
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Optional group:
comune Orientamento unico AD CARATTERIZZANTI 2 ANNO - (show)
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20802139 -
INDUSTRIAL PRODUCTION MANAGEMENT
(objectives)
This course is aimed at providing the basic methodological tools required for production planning and control in manufacturing systems. Specific methods used in make to stock, assemble to order, make to order, and engineering to order are analyzed, also discussing the differences between push and pull production systems. The course follows the traditional hierarchical approach including aggregate production and capacity planning, master production scheduling, materials and manufacturing resources requirements planning (MRP and CRP techniques), order release planning and job scheduling. furthermore, techniques for demand forecasting and implementation of just in time lean manufacturing systems are presented. The course also provides tools to estimate the performances of manufacturing systems, i.e. the links between work in process, throughput and cycle time, including variability effects and lot sizing decisions. finally, production planning decisions are put in perspective with strategic decisions, with capacity planning issues and with inventory management problems.
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CAPUTO ANTONIO CASIMIRO
( syllabus)
The industrial enterprise
Organization and scope of industrial enterprise. Classification of production systems. Analysis of production processes (process mapping and performance estimation). Little’s law. Impact of flow and process variability on main performance measures. Analysis of lot size effects on capacity, lead time and manufacturing cost. Lot sizing criteria in repetitive manufacturing.
Demand forecast
Analysis of demand variability components (random fluctuations, trends, seasonality). Classification of quantitative and qualitative forecasting methods. Linear regression causal models, time series methods (moving averages, exponential smoothing) and seasonal forecasting methods. Estimation of forecast error. Demand estimation for new products: market size and market penetration dynamics (Bass model).
Fundamentals of production planning and control
Analysis of P-Time and D-Time. Push and Pull production systems. Make to Stock, Assemble to Order, Make to Order ed Engineering to Order systems. The hierarchical production planning framework.
Aggregate planning
Alternatives to match production and demand. Trial and error aggregate planning methods (chase, level and mixed plans). LP models for the aggregate planning problem.
Master production scheduling
Criteria to disaggregate an aggregate plan and methods to develop a Master Production Schedule (MPS) based on items forecast and firm orders. Etsimation of Available to Promise capacity. Difference of MPS in MTS and ATO settings.
Requirements planning
MRPI and II methods. Capacity Requirements Planning. Lot sizing criteria for materials requirements planning. Limitations of MRP systems.
Operational planning and manufacturing execution
Final Assembly Schedule and operational plans. Criteria for job release and queues control. Heuristic rules for job scheduling and priority assignment. Production advancement and control systems.
Pull production systems
Kanban method and production leveling techniques. Methods for sequencing mixed model assembly lines. CONWIP. Comparison of push and pull systems.
Inventory management
Classification and scope of inventories. Relevant costs in inventory management. Management of dependent demand materials: economic order quantitym reorder cycle and reorder level policies. Service level and computation of safety stock. Benefits of safety stock pooling. Management of dependent demand items: lot by lot and dynamic lot sizing techniques. Newsboy model and single period order sizing. ABC classification and warehouse performance measures.
( reference books)
Lecture notes provided by instructor and uploaded on Moodle web site.
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20810095 -
VIBRATIONS MECHANICS
(objectives)
THE SCOPE OF THE COURSE IS TO GIVE PHYSICAL AND MATHEMATICAL MODEL OF THE APPLIED MECHANICS: SYNTHESIS OF THE MECHANISM, VIBRATION OF THE MACHINES, HYDRODYNAMIC LUBRIFICATION, DYNAMIC ANALYSIS OF THE MANIPULATOR AND TRANSIENT IN MECHANICAL SYSTEMS
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BOTTA FABIO
( syllabus)
• Elements of the theory of the vibrations
o Single degree of freedom
o Multi degree of freedom
o Continuos models: beams, plates and shells
• Finite element method
• Critical speeds
( reference books)
• Graff K. F., Wave motion in elastic solids, Dover, 1975.
• Weaver W. Jr, Timoshenko S. P., Young D. H., “Vibration problems in engineering” – Wiley Interscience
• Soedel W., “Vibrations of shells and plates” – Dekker Mechanical Engineering
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20810144 -
INTEGRATED MANUFACTURING SYSTEMS
(objectives)
The Integrated Manufacturing Systems Course provides students in the fifth year of the master's degree with the basic elements for the use of numerical control in material subtraction processing. The course includes a first part dedicated to the deepening of machining by chip removal, with particular reference to the aspects of cutting mechanics as well as the tool sizing criteria for the most common turning, milling and drilling operations. In this context, the aspects concerning the problems of tool wear and Taylor's law will not be neglected. The Course also provides a second part dedicated to the optimization models of numerical control processes according to the criteria of maximum economy and maximum productivity. In addition, the strategies for the closed and numerical resolution of the main optimization models of numerical control work will be proposed. Finally, the first elements will be provided for the use of SW CAD / CAM in mechanical design, with specific reference to machining with numerical control machines.
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BARLETTA MASSIMILIANO
( syllabus)
Mechanics of cutting and sizing of the tool. The mechanics of the cut. Recalls on the work by material subtraction: turning, milling, drilling. The sizing of the tool in turning, milling and drilling. Tool interaction - material in chip removal machining. Tool wear and Taylor's law. Optimization of numerical control machining. Optimization of machining parameters. Maximum economy criterion. Maximum productivity criterion. Optimal choice. Sensitivity analysis. Mono-step processing. Mono-step processing with variable feed. Multi-step machining. Multi-stage and multi-stage machining. Advanced methods of optimization of numerical control machining. Numerical control of machine tools. Overview of numerical control machining systems. Architecture of a numerical control machining system. Description of the components of numerical control machining systems. Handling systems. References. Absolute and incremental movements. Control systems. Tools. Control unit. Instructions for a numerical control machining system. Program formats. Preparation of the Part Program. Manual programming. Manual programming language instruction (script). Automatic programming. Instruction to the automatic programming language (script). Design of mechanical components and preparation of the worksheet.
( reference books)
STUDENTS MUST COMPULSORY REGISTER TO THE CLASS OF INTEGRATED MANUFACTURING SYSTEM BY PROVIDING NAME, SURNAME, SERIAL NUMBER AND EMAIL TO THE EMAIL ADDRESS: MASSIMILIANO.BARLETTA@UNIROMA3.IT
https://www.pearson.com/us/higher-education/program/Kalpakjian-Manufacturing-Engineering-Technology-7th-Edition/PGM75231.html
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20810099 -
MACHINE DESIGN
(objectives)
GOAL OF THE COURSE IS TO PROVIDE STUDENTS AND NON SPECIALIST ENGINEERS A SIMPLE AND FUNDAMENTAL APPROACH TO THE DESIGN OF THERMAL SYSTEMS (COGENERATION AND POWER PLANTS). THE COURSE EMPHASISES THE CHOICES OF CONFIGURATIONS AND THE SELECTION OF ARCHITECTURES, SHAPES AND SIZES CLOSE TO THE OPTIMAL SOLUTION. MOREOVER METHODS FOR FINDING PERFORMANCE CHARACTERISTIC CURVES ARE DEVELOPED. THE INTERRELATIONSHIPS AMONG LIMITATIONS OF MATERIALS, THERMAL, FLUID-DYNAMICS AND MECHANICAL ASPECTS ARE WIDELY ANALYSED AND DISCUSSED. AFTER THE COURSE THE STUDENT SHOULD HAVE A PICTURE OF THE MOST RELEVANT ASPECTS RELATED TO THERMO-MECHANICAL SYSTEMS DESIGN. HE/SHE WILL ACQUIRE TOOLS THAT ENABLE HIM/HER TO SET UP AN ENTIRE DESIGN PROCESS FROM PROBLEM DEFINITION TO DECISION MAKING.
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SALVINI CORIOLANO
( syllabus)
The design process: problem definition, establishment of objectives, generation of alternatives, preliminary design, detailed design.
Thermal systems design: selection of machines and equipment, cost accounting, economic analysis.
Conventional versus optimum design process: optimum design problem formulation, design variables and degrees of freedom, cost function, design constraints, examples of optimum design problem formulations.
Design as a result of subsequent analyses: analysis model definition, mathematical formulation, sequential and simultaneous approach.
Theory of similitude and its application to design.
Optimisation of processes to produce electricity, heat and cold.
Design approach for heat transfer devices.
Steam generators: typologies, fuels, combustion, heat transfer, thermo-mechanical design criteria, efficiency.
Sizing of machines and apparatuses of thermo-mechanical plants.
( reference books)
CIRILLO F., Progetto di sistemi meccanici, Mc Graw-Hill.
ARORA J. S., Introduction To Optimum Design, Mc Graw-Hill.
BOEHM R. F., Design Analysis of Thermal Systems, John Wiley&son
STOECKER W. F., Design of Thermal Systems, Mc Graw-Hill International.
ANNARATONE D., Calcolo termico di generatori di vapore, Tamburini Editore.
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20810141 -
Functional design
(objectives)
The Course will help the students to increase their capabilities in some fundamental tasks of the mechanical designers, such as the following. A) Capability of applying synthesis techniques to problems in mechanical engineering. This skill will make the students able to design innovative products with methods that are complementary to the classical methods based on material resistance and fatigue. B) Being prepared to the most challenging problems in mechanical design, structure dynamics via FEA , by upgrading their knowledge on fundamental issues of Applied Mechanics that are crucial for the design. C) Capability of applying their skills to the newest fields, such as MEMS/NEMS, Automation, Biomedical and Aerospace applications; D) Capability of designing mechanical components of vehicles, such as, automatic and epicyclic gearbox, differential, suspensions, dampers, steering mechanisms and clutches; E) Creativity in products design, acquired during practical sessions of cognitive techniques, lateral thinking and Atlases consulting.
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BELFIORE NICOLA PIO
( syllabus)
Introduction to Functional Design: design methods, classification according to Artobolewsky, functional classification: rigid body guidance, function generator, path generator. Topological Analysis and Synthesis of mechanisms: graph-mechanism correspondence; enumeration of kinematic chains, graphs isomorphism and planarity. Kinematic Analysis and Synthesis of mechanisms for finite displacements: method based on the displacement matrices, plane and spatial motions, Freudenstein’s equation. Kinematic Synthesis of mechanisms for infinitesimal displacements: Classical and Generalized Burmester’s Theory, general methods based on geometric invariants and on centrodes; kinematic analysis with kinematic invariants, cognate mechanisms. Automotive: automatic gearbox, epicyclic and differential gear drives, suspensions and steering mechanisms, clutches. Transmissions and actuation: parallel, bevel and skew axis transmissions, joints, principle of inertia match. Lubrication: Elasto-Hydro-Dynamic Lubrication EHL. Dynamic simulation of Multi Body Systems and of continuum structures: methods for the solution of the set of dynamic equations of a MBS with constraints; dynamic simulation of structures via FEA. Compliant mechanisms: Kinematic, kinetostatic and dynamic analysis and simulation of compliant mechanisms. Isotropic compliance: synthesis of the compliance in E(3) and SE(3) for mechanisms and robots. MEMS and NEMS: design, simulation, fabrication, characterization, test and operational strategies of micro/nano electro mechanical systems. Mechatronics: control of mechanisms in dynamic regime, mechanisms for the automation, ratchet and Geneva mechanisms, microcontrollers. Creativity in Design: Atlases of mechanisms, TRIZ and LT. Computational intelligence: optimization of mechanisms for performance indices, pressure angle and mechanical gain.
( reference books)
Materials available on the Moodle platform.
Di Benedetto, A., Pennestrì, E., Introduzione alla cinematica dei meccanismi, CEA, Voll. 1, 2 e 3.
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20810148 -
INDUSTRIAL MEASUREMENTS
(objectives)
The overall aim of the course of Industrial Measurements is to provide students with advanced knowledge and skills to orientate themselves among design, use and management of measurement systems in industrial processes depending on the technical requirements. In particular the selection criteria of the measurement system components are provided, based on an integrated approach taking into account not only the metrological and functional characteristics of the measuring devices, but also the evaluation of specifications typical of industrial applications and effective measurements. To this aim the analysis of available technologies and the good management practices for measurement instrumentation are considered. Moreover, part of the course is based on the study of specific standards, technical data-sheet and manuals as well as experimental laboratory activities.
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SCORZA ANDREA
( syllabus)
Performance and metrological characteristics of measurement systems for industry: basics of metrology and measurement methods. Analysis and processing of dynamic measurements. Applied statistics to industrial measurements and quality control. Fundamentals of Technical Writing.
Measurement systems and signal processing for industrial applications: impedance matching, amplifiers, filtering, signal modulation and demodulation, bridge circuits, linearization, communication standards of measurement devices. Elements of digital data acquisition systems and sensor fusion. Sensor networks: fundamentals and applications.
Methods and devices for mechanical and thermal measurements in industry and manufacturing, e.g. non-invasive measurement systems, optical measurement methods, ultrasound systems , tactile sensors, MEMS, ecc. Industrial Instrumentation management
( reference books)
• W. C. Dunn, Fundamentals of Industrial Instrumentation and Process Control, McGraw-Hill, 2005
• C. W. de Silva , Sensors and actuators – Engineering System Instrumentation, CRC Press Taylor & Francis Group, 2015
• Beckwith T.G., Marangoni R.D. & Lienhard J.H, Mechanical Measurements, Pearson Prentice Hall, 2007
• R. S. Figliola, D. E. Beasley, Theory and Design for Mechanical Measurements, 6th Edition, Wiley, 2015
• Hughes, T. Hase, Measurements and their Uncertainties A practical guide to modern error analysis, Oxford University Press Inc., New York, 2010
• W. Navidi, Probabilità e statistica per l'ingegneria e le scienze, Mc Graw Hill, 2006
• F. P. Branca, Misure meccaniche, E.S.A. Editrice, Roma 1980
• P. Cappa, Sensori e Trasduttori per Misure Meccaniche e Termiche, Voll. I-III, Borgia Editore, 1994
• Statistical Quality Control Handbook, Western Electric, 1956
• M. G. Natrella, Experimental Statistics, National Bureau of Standards Handbook 91, 1963
• Douglas C.Montgomery, Introduction to Statistical Quality Control, John Wiley & Sons, Inc., 2009
• G. Malagola, A. Ponterio, La metrologia dimensionale: teoria e procedure di taratura, Società Editrice Esculapio, 2013
• A. Brunelli, Manuale di taratura degli strumenti di misura, GISI, 2012
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9
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ING-IND/12
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72
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Core compulsory activities
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ITA |
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20810149 -
TECHNOLOGIES AND MANUFACTORING SYSTEMS
(objectives)
The Course of Technologies and Processing Systems provides students with the basic knowledge to orientate themselves among the traditional manufacturing processes of non-metallic materials. Specifically, the course allows the development of knowledge on the technologies of polymeric materials, composites and ceramics, materials that occupy an increasingly important weight in modern manufacturing processes. It is therefore a Course complementary to Mechanical Technology that studies the transformation processes of metal materials only. The Course of Technologies and Processing Systems includes elements on processes inherent in powder metallurgy and the related transformation processes. It also provides the knowledge base for the main unconventional and advanced processing technologies, including rapid prototyping technologies. Finally, it provides the rudiments on the so-called "green" technologies and the first indications on the aspects inherent to safety in production processes.
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9
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ING-IND/16
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72
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-
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-
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Core compulsory activities
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ITA |
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Università Roma Tre