Optional group:
Opzionali - (show)
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9
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20802052 -
FUNDAMENTALS OF PHOTOVOLTAICS
(objectives)
The course provides basic understanding of physics and technology of photovoltaic devices, from first generation silicon solar cells (crystalline, polycrystalline, amorphous) to second (thin-films technology) and third generation (multi-junction) solar cells. The course deals with devices, modules and systems and includes an introduction to storage and distribution of solar energy. The objective is to provide the specific knowledge for the design, analysis and characterization of solar cells and systems. The course includes a number of laboratory experiments on solar cells and SPICE simulations
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COLACE LORENZO
( syllabus)
Introduction: History of photovoltaics. PV costs, markets and forecasts. Goals of today’s PV research and manufacturing. Global trends in performance and applications. Progress and challenges. Concentration PV systems. Future of emerging PV technologies. Physics of the Solar Cell: Solar radiation. Fundamentals of semiconductors. Light absorption. Recombination. Carrier transport. Solar cell fundamentals. I–V characteristics. Efficient solar cells. Surface recombination. Efficiency and band gap. Spectral response. Parasitic resistance. Temperature effects. Concentrator solar cells. High-level injection. Limitation on energy conversion. Concepts for improving the efficiency. Crystalline Silicon Solar Cells and Modules: Crystalline Silicon. Crystalline Si solar cells. Manufacturing. Crystalline Si photovoltaic modules. Electrical and optical performance of modules. Field performance. Thin-film Silicon Solar Cells: Review of current thin-film Si cells. Design concepts of TF-Si solar cells. Future trends. High-Efficiency III-V Multijunction Solar Cells: Physics of III-V multijunction solar cells. Cell configuration. Computation of device performance. Materials issues. Future-generation solar cells. Photovoltaic Concentrators: Basic types of concentrators. Historical overview. Optics of concentrators. Current concentrators. Amorphous Silicon–based Solar Cells: Atomic and electronic structure of hydrogenated amorphous Silicon. Depositing amorphous Si. Understanding a-Si cells. Multijunctions. Continuous roll-to-roll manufacturing on flexible substrates. Cu(InGa)Se2 Solar Cells: Material properties. Deposition. Junction and device formation. Device operation. Manufacturing. Device performance. Measurement and Characterization of Solar Cells and Modules: Rating PV performance. I-V Measurements. Spectral responsivity. Module qualification and certification. Photovoltaic Systems: Introduction to PV systems and applications. Components for PV systems. Future developments in photovoltaic system technology. Electrochemical storage. Power conditioning. Energy collected and delivered by PV modules. Economic analysis and environmental aspects of photovoltaics. PC1D simulation of solar cells. Laboratory experiments: I-V characterization, extraction of relevant parameters.
( reference books)
M.A. Green "Solar Cells: Operating Principles, Technology, and System Applications" (Prentice-Hall) J. Nelson "Physics of Solar Cells" Imperial College Press 1st (first) Edition
+ additional contents on Moodle e-learning platform
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6
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ING-INF/01
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42
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Core compulsory activities
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ITA |
20810067 -
ELECTRONICS LABORATORY
(objectives)
Electronics Laboratory is an experimental lab course that provides the fundamentals of electronic design, simulation, construction, test and debugging of analog and digital electronic circuits. Lectures will be devoted to design strategies and methods. The intensive use of PSpice simulation will allow fast circuit verification before its fabrication. The course will include several measurement techniques to perform the experimental tests. Expected results are the ability to design electronic circuits for both analog and digital signal processing, the knowledge of the characteristics of the major electronic components and skills in the use of PSpice simulator, combined with the ability to measure electrical quantities with laboratory instrumentation.
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COLACE LORENZO
( syllabus)
1) Review of devices and circuits • BJT, JFET, MOSFET • amplifiers • building blocks • feedback • noise in electronic systems
2) Case study 1 (analog electronics): audio Hi-Fi circuits (preamplifiers, tone controllers, output stages, power supply) • Theory • Simulations • Fabrication • Tests
( reference books)
P. Horowitz, W. Hill, “L’arte dell’elettronica”, Zanichelli C.D. Motchenbacher, J.A. Connelly, “Low noise electronic system design”, Wiley Interscience. P. Tobin, “PSpice for Circuit Theory and Electronic Devices”, Morgan&Claypool Pub.
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6
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ING-INF/01
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42
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Core compulsory activities
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ITA |
20810068 -
ELECTRONIC DESIGN
(objectives)
The aim of this course is to provide the fundamentals of electronic design in terms of both synthesis and analysis methodologies. The course is focused on electronic system architecture for the processing of signals coming from and directed to output stages, after suitable analog to digital (A/D) and digital to analog (D/A) conversion. Particular attention will be dedicated to the analysis of front-end electronics and signal conditioning (amplification and, filtering), as well as frequency stability. Aim of the course also includes the definition of design specifications, both DC and AC, distortion and noise, as well as A/D and D/A conversion techniques. The course will be completed by a detailed analysis of a set of projects with applications in consumer electronics, telecommunications, industrial and medical electronics.
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ROSSI MARIA CRISTINA
( syllabus)
Introduction: basic on analog and digital design. Input stages and signal amplifier: project examples: offset and bias current nulling in integrator amplifiers; current feedback amplifiers (CFA); antialiasing filter for A/D conversion and CD audio filter; switch capacitor filters; digital fiters with design elements. Noise: noise properties, dinamics and sources. Op amp noise and S/N ratio. Photodiode amplifier application. Low noise integrated circuits. Analog-digital conversion: ADC definition; oversamping and noise shaping; ΣΔ modulator, ΣΔ converters architecture; conditioning system for sensors; examples of OpAmp conditioning system; ADC practical application: ADC selection and temperature measurement, electronic scale and power measurement. Output stages and power amplifiers: large signal amplifiers. A, B, AB and C classification. Armonic distortion and power devices. Safe operating Area (SOA) protections. Efficiency. Integrated power amplifiers and devices. Design project examples in several microelectronic field (biomedical, radiofrequency and power).
( reference books)
M. Thompson, Intuitive Analog Circuit Design, Newnes-Elsevier, 2006.
Analog-Digital Conversion, W. Kester ed., Analog Devices, www.analog.com
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9
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ING-INF/01
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72
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-
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Core compulsory activities
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ITA |
20810138 -
ADVANCED ELECTROMAGNETIC COMPONENTS AND CIRCUITS
(objectives)
The course presents the design of electromagnetic components and circuits in modern and advanced applications, including wireless communications, circuits, microwave and optical components and devices, microwave communications and radar, power generation, transfer, and harvesting, with a special emphasis on the innovation brought by artificial electromagnetic materials and metamaterials.
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TOSCANO ALESSANDRO
( syllabus)
The course is organized in 5 units as follows: PART 1 – EM PROPAGATION AND MATCHING CIRCUITS EM modeling of guiding structures, Real matching circuits for guiding structures, Narrowband and Wideband matching networks, Wideband binomial and Chebyshev impedance transformers. PART 2 – MICROWAVE NETWORKS: MODELS AND PROPERTIES Matrix representations of microwave networks (Matrix ABCD, Impedance and admittance matrices, Scattering matrix and relationships to each other), Scattering matrix [S] of a N-port network, Properties of a component: Reciprocity, Matching and Lossless, Signal flow representation of the scattering matrix, Analysis of a complex microwave network and design of matching networks. PART 3 – THREE-PORT COMPONENTS Analysis of a three-port network, Analysis and design of a Circulator, Analysis and design of Power Dividers (Junction dividers, Lossy dividers, Wilkinson dividers) in balanced and unbalanced configuration). PART 4 – FOUR-PORT COMPONENTS Analysis of a four-port network, Properties of Directional Couplers (DC), Analysis of symmetric and antisymmetric directional couplers, Analysis of hybrid directional couplers, Design of directional couplers. PART 5 – DESIGN OF MICROWAVE NETWORKS AND ADVANCED COMPONENTS Introduction to the design of microwave and millimeter-wave networks. Introduction to the use of electromagnetic and microwave circuit CAD software. Introduction to microwave and millimeter-wave components based on metamaterials for radar, satellite and wireless communication application.
( reference books)
The text books used as reference for the course are: 1) Appunti del docente disponibili su Moodle 2) “Microwave engineering”, autore David Pozar, editore Wiley 3) “Electromagnetic Waves and Antennas”, autore S.J. Orfanidis (free book online) 4) “Microwave solid state circuit design”, autori: I Bahl e P. Bhartia, editore: Wiley 5) “Foundation of Microwave Engineering”, autore: Robert E. Collin, editore: Wiley 6) “The stripline circulator: Theory and practice” , autore: J. Helszajn, editore: Wiley
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6
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ING-INF/02
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48
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Core compulsory activities
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ENG |
20810154 -
ADVANCED ANTENNA ENGINEERING
(objectives)
Antennas are fundamental components of modern wireless communication systems for smart environments such as pervasive systems for distributed information and computing, advanced space systems, intelligent transportation systems. This course aims at providing a selection of advanced topics in antenna engineering, including analytical and numerical techniques: theory and applications of periodic structures; resonant and traveling-wave antennas for terrestrial and space communication systems; smart and MIMO antenna arrays; numerical techniques based on differential formulations (finite differences in time and frequency) and on boundary integral formulations (method of moments); the main commercial CAD tools for antennas based on the above numerical techniques will also be illustrated.
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BACCARELLI PAOLO
( syllabus)
I PART
Introductory concepts: Linear algebraic systems and their numerical solution Singular-value decomposition (SVD) of general complex matrices. Fundamentals of radiation. Antenna parameters. Elementary array theory. Beyond elementary array theory.
Microstrip and Printed antennas: Overview, basic principles of operation, feeding methods, and radiation characteristics. Design procedures and CAD formulas. Circular polarization, broadband and multi-band antennas, and miniaturization.
II PART
Periodic structures: Introduction, basic theory (space harmonics, Floquet theorem). Brillouin diagrams. Bloch analysis.
Leaky-wave antennas (LWAs): General features and classification. Design procedures for 1D LWAs. Fabry-Perot cavity antennas; general features of 2D LWAs
Arrays for wireless communications: Characterization of the wireless channel. Arrays and diversity. Introduction to Multiple-Input/Multiple-Output (MIMO) systems.
Boundary integral equations and the Method of Moments (MoM): MoM for 1D integral equations; basis and test functions. MoM for thin wires. Boundary integral representations of the electromagnetic field and boundary integral equations. Mixed-Potential Integral Equation (MPIE) in free space. MoM for MPIE: basis and test functions. MPIE in layered media. Sommerfeld integrals, asymptotic extractions, and spatial singularities. Acceleration techniques for integral and series in electromagnetic problems. MoM for MPIE: periodic structures (free space and layered media).
III (Numerical simulations with commercial electromagnetic software)
Electromagnetic CAD: Ansys Designer and FEKO: introduction and general features. Analysis of microstrip antennas: simple patch antenna, mutual coupling, and array configurations. Analysis of Frequency Selective Surfaces. (FSSs)
( reference books)
Teaching material: • Slides of the lessons
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9
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ING-INF/02
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72
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Core compulsory activities
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ENG |
20810155 -
METAMATERIALS
(objectives)
The course aim at giving the student the tools for the analysis and the design of innovative micro- and nano-electronics devices based on the employment of metamaterials.
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Derived from
20810155 METAMATERIALS in Ingegneria delle tecnologie della comunicazione e dell'informazione LM-27 BILOTTI FILIBERTO, TOSCANO ALESSANDRO
( syllabus)
Introduction to metamaterials. Negative index metamaterials. Classification and terminology. Engheta’s resonator. Pendry’s lens. Metamaterial transmission lines. Miniaturized components. Miniaturized antennas. 2D metamaterials: metasurfaces. Design of metamaterial particles at microwaves. Simulations and experiments. Design of metamaterial transmission lines and design of miniaturized components (unit-cells, phase-shifters, rat-races, etc.) Simulations (and experiments).
Electromagnetic invisibility. Reduction of radar observability. Basic principles of EM invisibility. Radar and scattering cross sections. Figure of merit for EM cloaks. Basic principles of the transformation EM. Invisibility cloak based on transformation EM. Other EM invisibility techniques. Basic principles of the scattering cancellation. Scattering cancellation through volumetric metamaterials. Scattering cancellation through metasurfaces (mantle cloaking). Mie theory for spherical and cylindrical cloaked objects. Mie theory on Mathematica. Implementation of single and dual polarization cloaking devices working at microwave frequency. Applications of the EM invisibility at microwave frequencies: cloaking passive objects, cloaking receiving antennas and sensors, cloaking transmitting antennas. Non-linear and waveform selective cloaking devices and related applications. Full-wave simulations of actual cloaking devices.
Metasurfaces at optical frequencies based on proper arrays of nanoparticles. EM characterization of metals at optical frequenices. Drude model. Size correction of the Drude formula. Volumetric homogenization techniques for arrays of nanoparticles: Maxwell Garnett and Clausius-Mosotti formulas. 2D homogenization techniques: the surface impedance model. Homogenization techniques on Mathematica. Application of optical metasurfaces: EM invisibility, absorbers, anti-reflection coatings, transparent screens. Extension of the 2D homogenization to arrays of dielectric nanoparticles. Application of dielectric metasurfaces. Full-wave simulations and practical examples.
Introduction to EM non-reciprocity based on natural and artificial materials. Introduction to space-time modulated metamaterials. Analysis of a resonator loaded with a space-time modulated metamaterial: coupled mode theory, resonant modes and frequency response. Applications. Free-space and slab propagation in space-time modulated materials. Time-domain propagation in a dielectric slab. Space-time modulated metasurfaces. FDTD simulations of space-time modulated materials and surfaces.
Topological properties of structured fields. Introduction to the concept of orbital angular momentum, phase singularity and topologiocal charge. Generation of EM fields with phase singularities at optical and microwave frequencies. Generation of composite vortices and related topological properties (robustness with respect to the interaction with opaque objects and vortex-less fields). Application examples: patch antenna with Moebius polarization, shaping of the direction pattern, sectorial and saddle radiation patterns. Full-wave and analytical simulations.
Radiation and transmissive components based on metamaterials. Examples of multifunctional and miniaturized antennas. Filters for horn antennas based on metamaterial particles: pass-band behavior (linear and circular polarization, single-band and dual-band), notch-band (narrow-band and broad-band). Waveguide components based on electrically small resonators (orthomode transducer, curved components, power dividers). Full-wave simulations.
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9
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ING-INF/02
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63
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Core compulsory activities
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ENG |
20810203 -
OPTICS AND PHOTONICS OF SOLITONS
(objectives)
Introduction and concept, models and applications of optical solitons and solitary waves, with reference to temporal confinemnet of pulses and spatial confinement of light beams, for opto-optical processing and propagation of non-dispersive wavepackets. Experimental and application-oriented examples will be provided in optical fibers and liquid crystals. The modern electronics engineer will be able to understand and handle advanced generations of all-optical signal processors.
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ASSANTO GAETANO
( syllabus)
Introduction to solitary waves and solitons, spatial solitons, temporal solitons, spatio-temporal solitons One-, two-, and three-dimensional solitons Spatial optical solitons and their stability Kerr solitons in optical fibers, NLSE Optical spatial solitons in liquid crystals, nematicons Nematicon phenomena, features and applications
( reference books)
G. Assanto, Nematicons, Wiley & Sons, 2012 Notes from the teacher
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6
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ING-INF/01
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48
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Core compulsory activities
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ITA |
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Optional group:
OPZIONALE - (show)
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12
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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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Derived from
20801749 ENERGETICA ELETTRICA in Ingegneria meccanica LM-33 N0 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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6
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ING-IND/32
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48
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Related or supplementary learning activities
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ITA |
20801920 -
STATIC POWER CONVERTORS DESIGN
(objectives)
The lessons will present dynamic modeling and methodologies for power electronic converters design. The students will face design problems with reference to technical specifications and required performances.
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SOLERO LUCA
( syllabus)
Basic criteria for power electronic converters design; capacitors and inductors sizing; power losses calculation; cooling systems definition. Steady-state equivalent circuit modeling, losses and efficiency for dc-dc, dc-ac and ac-dc power electronic converters. AC equivalent circuit modeling for dc-dc dc-ac and ac-dc power electronic converters. Converter transfer functions and controller design. Input filter design. Introduction to multilevel and four-legs topologies. Power electronic converters in parallel running operation.
( reference books)
R.W. Erickson, D. Maksimovic: Fundamentals of Power Electronics, Kluwer Academic Publisher,2000.
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9
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ING-IND/32
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63
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Related or supplementary learning activities
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ITA |
20810066 -
ELECTROTECHNICS FOR ENERGY SYSTEMS
(objectives)
The aim of the course is to discuss the main energy conversions to deliver, to manage and to storing electrical energy. The optimization of the different systems for enhancing efficiency and the environmental impact as weel as Renewable energies and the energy storage will be widely analyzed.
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LAUDANI ANTONINO
( syllabus)
The class aims at giving the students the necessary knowledge to understand the decentralized generation paradigm, and in particular, the problems related to energy generation from renewable sources. The analysis models used to describe the efficiency production will be studied, along with the effects related to ageing and degradation. Energy conversion systems and algorithms to optimize extracted power (maximum power point tracking) will be studied as well. Moreover, the fundamental technological aspects of smart grids will be described, along with notions on power flow analysis and energy production optimization. Lastly, energy storage technologies will be discussed.
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6
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ING-IND/31
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42
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Related or supplementary learning activities
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ITA |
20810085 -
SIMULATION METHODS FOR ELECTRONIC & ELECTRIC SYSTEMS
(objectives)
The course objective is to provide to students suitable lectures about scientific computing and procedures for electric and electronics applications, in order to understand and to design simulation software.
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RIGANTI FULGINEI FRANCESCO
( syllabus)
FIRST PART: CALCULATION TOOLS • An introduction to the MATLAB (OCTAVE) environment • Representation of real numbers with the calculator • Calculation of zeros of a function • Mathematical models and numerical errors • Approximation of functions and data • Numerical derivative • Numerical integral • Computational methods for solving systems of linear equations (direct and inverse methods)
SECOND PART: ALGORITHMS AND OPTIMIZATION MODELS • The system concept • Linear and nonlinear systems • Abstract models and optimization models • Mathematical models and models of mathematical optimization • Optimization algorithms • Multi-objective optimization • Linear optimization • Geometric aspects of the linear optimization • Nonlinear optimization • Geometric aspects of the nonlinear optimization • Local and global optimum • Main methods of nonlinear optimization • Heuristic methods for the optimization: Tabu Search, Simulating Annealing, Genetic Algorithms, Bacterial Chemotaxis Algorithm, Particle Swarm Optimization, Flock Of Starling Optimization • Applications: • Simulation of devices with ferromagnetic core • Simulation Load flow optimization of grids • Simulation of analog filters
( reference books)
QUARTERONI ALFIO; SALERI FAUSTO - CALCOLO SCIENTIFICO. ESERCIZI E PROBLEMI RISOLTI CON MATLAB E OCTAVE - ED. SPRINGER VERLAG ------ VERCELLIS CARLO - OTTIMIZZAZIONE. TEORIA, METODI, APPLICAZIONI - ED. MCGRAW-HILL COMPANIES
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6
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ING-IND/31
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42
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Related or supplementary learning activities
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ITA |
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