Thèses sur le sujet « Reti Neural Artificiali »
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LOCCI, AMEDEO. « Sviluppo di una piattaforma inerziale terrestre assistita da reti neurali artificiali ». Doctoral thesis, Università degli Studi di Roma "Tor Vergata", 2008. http://hdl.handle.net/2108/684.
Texte intégralMany of the technologies used in the modern systems of aid to terrestrial navigation go back to approximately a quarter of century. Generally, the main systems in use in the equipments for terrestrial Navigation are the Global Positioning Systems (GPS) and the Inertial Navigation Systems (INS). Such technological apparatus, need fundamental components of high or quite almost quality, which cause progressively growing market costs and can satisfy the most various range of applications in the navigation field, from the vehicular terrestrial one to the aerospace application, but also including handling applications or the management of vehicular fleets. In the last few years, the navigation systems have seen applications on a large scale, as the terrestrial navigation aid systems, in particular with the use of the GPS system. In order to avoid the disadvantages that it can cause, integrated low-cost systems for terrestrial navigation have been lately developed with applications on a large scale, among which, for important technical and economic aspects, the integrated INS/GPS system. The need to avoid the low quality of the used sensors led to the application of mathematical models able to correct the sensors’ answers. From here, one of the most used instrument throughout the years has been the Kalman filter, as an optimal linear Gaussian estimator in the data fusion INS/GPS. However, as multi-sensor integration methodology, it has various limits. The INS correction is needed either to get a more reliable answer in the short route compared the GPS-based navigation system, and to generate a data base in which a series of information are collected, among the necessary cinematic, geometric and environmental characteristics, in case the GPS signal is absent or of low quality. For that purpose, the attempt is to make the navigation system intelligent: the Kalman filter has been shown to be in the last years the reference model which has addressed the research to the use of intelligent models, such as for example the fuzzy logic, the genetic algorithms or the neural networks. The latter can make the integrated INS/GPS systems intelligent, or capable to take independent decisions in the data correction, after a learning process. The aim which has been reached is the use of the Artificial Neural Networks (ANN), in order to compensate for the answer of the INS system, in case the GPS outage occurred. In such situations, due to the unavoidable drifts caused by the INS random walk effects, a correction of the inertial data is needed, through the Neural Networks. A research of the models more related to this kind of data has been necessary, as well as a tuning of the networks. Therefore it has been developed either a storage system for the sensitive data, based on the updating of the network memory, (the weights), and a correction system of the inertial data. The evaluation has been carried out on many test cases and it has shown a definite improvement in performance compared to the use of the correction with conventional systems. Such applications, as also emphasized in scientific works, can be considered as a method for the future developments of the new integrated platforms for terrestrial navigation. Moreover, they can supply attitude configuration needed for the control of the autonomous systems and their low market costs allow a large scale applications, and also advantages in the road safety field and the reconstruction of accidental events.
Bevini, Giorgia. « Studio di un pilota automatico per aereo basato su Artificial Neural Network ». Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2020.
Trouver le texte intégralBaronti, Mattia. « Identificazione e localizzazione del danno in strutture reticolari mediante modi di vibrare e reti neurali artificiali ». Master's thesis, Alma Mater Studiorum - Università di Bologna, 2021.
Trouver le texte intégralQUARTARARO, MARCO. « Modelli di previsione dei popolamenti ittici nei fiumi : sviluppo e ottimizzazione mediante reti neurali artificiali ». Doctoral thesis, Università degli Studi di Roma "Tor Vergata", 2010. http://hdl.handle.net/2108/1273.
Texte intégralThe use of artificial intelligence methods for ecosystems modeling has had a considerable development in the last 20 years, due to their specific ability, in several conditions and once supported by suitable “learning” algorithms, to build from the data more effective representations of ecological systems than traditional methods (based on indexes or multivariate statistics). The main purpose of this work was an experimental examination of five hypotheses about as many potential strategies for the optimization of supervised artificial neural networks (perceptrons) which reconstruct the relations between the abiotic (environmental variables) and biological components (presence values of the species within fish assemblages) in river ecosystems. The themes we dealt with included the prevision of binary variables (species presence/absence), the variation of the performance as a function of the output discretization threshold, the prevision of rare species, the prevision of single species or group of species, data pre-processing and specifically the partitioning required by the early stopping technique. The results prove the practical and theoretical interest in working with predictive models, for both the effectiveness of the models and the possibility of giving hints to ecological research. Beyond the hypotheses studied here, the work produced a method and a computer tool that can test other optimization strategies and operate with different data set.
Castellazzi, Nicolò. « Analisi di immagini per l'identificazione automatica di anomalie superficiali in ambito industriale ». Master's thesis, Alma Mater Studiorum - Università di Bologna, 2020.
Trouver le texte intégralLavista, Andrea. « Natural language processing : chatbot per gli studenti del Campus di Cesena ». Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2019. http://amslaurea.unibo.it/19555/.
Texte intégralCiliegi, Federico. « Topologie non convenzionali per reti di neuroni artificiali ». Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2019. http://amslaurea.unibo.it/19497/.
Texte intégralCielo, Michele. « Rilevamento di malattie oculari mediante reti neurali artificiali ». Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2019. http://amslaurea.unibo.it/19750/.
Texte intégralBoldrin, Stefano <1996>. « Reti neurali artificiali per la previsione dell'insolvenza aziendale ». Master's Degree Thesis, Università Ca' Foscari Venezia, 2020. http://hdl.handle.net/10579/18258.
Texte intégralDe, Paoli Davide. « Reti neurali artificiali e apprendimenti basati sulla biofisica dei neuroni ». Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2021. http://amslaurea.unibo.it/22983/.
Texte intégralLanzarone, Lorenzo Biagio. « Manutenzione predittiva di macchinari industriali tramite tecniche di intelligenza artificiale : una valutazione sperimentale ». Master's thesis, Alma Mater Studiorum - Università di Bologna, 2021. http://amslaurea.unibo.it/22853/.
Texte intégralCallegarin, Alessandro <1986>. « Reti neurali artificiali per il trading finanziario : i principali modelli recenti ». Master's Degree Thesis, Università Ca' Foscari Venezia, 2012. http://hdl.handle.net/10579/2196.
Texte intégralFabbri, Alessandro. « Reti neurali in ambito finanziario ». Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2019. http://amslaurea.unibo.it/19593/.
Texte intégralCapecchi, Michele <1993>. « Reti neurali artificiali per la cosctruzione di un trading system su azioni ». Master's Degree Thesis, Università Ca' Foscari Venezia, 2021. http://hdl.handle.net/10579/18566.
Texte intégralFreire, Duarte Vaz. « Forecasting U.S. REIT index prices with artificial neural networks ». Master's thesis, Instituto Superior de Economia e Gestão, 2021. http://hdl.handle.net/10400.5/22765.
Texte intégralArtificial Neural Networks are innovative mathematical models that have re- cently gathered much attention as a new tool for forecasting in economics and finance. These algorithms are characterized by being able to handle vast amounts of data and solve complex problems, without the assumption of linearity often made by traditional models. This thesis investigates the use of this Machine Learning method for forecast- ing Real Estate Investment Trusts (REIT) prices and their movement. In this experiment, we make use of a 20-year data sample related to four U.S. REIT in- dexes and other financial and macroeconomic variables. Three Neural Networks, with di↵erent architectures, were developed and we compare the results to those of traditional econometric approaches. The results show that the Neural Networks were able to outperform traditional forecasting methodologies, by registering significantly lower Root Mean Squared Error (RMSE) and Mean Absolute Error (MAE) values on their predictions. Furthermore, these models also achieved higher levels of directional accuracy, for the majority of the indexes studied.
As Redes Neuronais Artificiais são modelos matemáticos inovadores usados, de forma cada vez mais frequente ao longo dos últimos anos, como ferramenta de previsão no setor económico e financeiro. Estes algoritmos caracterizam-se por ter a capacidade de lidar com grandes quantidades de dados e de resolver problemas complexos, sem a suposição de linearidade muitas vezes feita por modelos tradicionais. A presente tese investiga o uso deste método de Machine Learning na previsão de preços de fundos de investimento imobiliário (REIT). Neste estudo, usamos uma amostra de dados, correspondente a um período de 20 anos, relacionada com quatro índices REIT dos EUA e outras variáveis financeiras e macroeconómicas. Três Redes Neuronais, com arquiteturas diferentes, foram desenvolvidas e foi feita a comparaçaõ entre os resultados deste método e os resultados de modelos econométricos tradicionais. Os resultados mostram que as Redes Neuronais foram capazes de superar os métodos de previsão tradicionais, registando valores substancialmente mais baixos de Erro Quadrático Médio (RMSE) e Erro Médio Absoluto (MAE) nas suas previsões. Adicionalmente, estes modelos também alcançaram níveis mais elevados de precisão direcional, para a maioria dos índices em estudo.
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Mollica, Francesco. « Share Art : Reti neurali convoluzionali in ambito museale ». Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2021.
Trouver le texte intégralGianessi, Mattia. « Robotica e intelligenza artificiale applicate alla validazione automotive ». Master's thesis, Alma Mater Studiorum - Università di Bologna, 2018.
Trouver le texte intégralTorchi, Andrea. « Sperimentazioni per "Sentiment Analysis" tramite Reti Neurali Profonde ». Master's thesis, Alma Mater Studiorum - Università di Bologna, 2020.
Trouver le texte intégralCollet, Tommaso <1994>. « Misurazione del Rischio : Analisi e confronto tra Z-Score e Reti Neurali Artificiali ». Master's Degree Thesis, Università Ca' Foscari Venezia, 2020. http://hdl.handle.net/10579/16556.
Texte intégralFODDIS, MARIA LAURA. « Application of artificial neural networks in hydrogeology : identification of unknown pollution sources in contaminated acquifers ». Doctoral thesis, Università degli Studi di Cagliari, 2011. http://hdl.handle.net/11584/266347.
Texte intégralGualandi, Giacomo. « Analisi di dataset in campo finanziario mediante reti neurali LSTM ». Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2019. http://amslaurea.unibo.it/19623/.
Texte intégralDi, Luzio Andrea. « Reti Neurali Convoluzionali per il riconoscimento di caratteri ». Master's thesis, Alma Mater Studiorum - Università di Bologna, 2016.
Trouver le texte intégralNegrini, Melissa. « Tatto artificiale : studio ed implementazione di una rete neurale per la localizzazione di impatti ». Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2018. http://amslaurea.unibo.it/17342/.
Texte intégralFALCIONELLI, NICOLA. « From Symbolic Artificial Intelligence to Neural Networks Universality with Event-based Modeling ». Doctoral thesis, Università Politecnica delle Marche, 2020. http://hdl.handle.net/11566/274620.
Texte intégralRepresenting knowledge, modeling human reasoning, and understanding thought processes have always been central parts of intellectual activities, since the first attempts by greek philosophers. It is not just by chance that, as soon as computers started to spread, remarkable scientists and mathematicians such as John McCarthy, Marvin Minsky and Claude Shannon started creating Artificially Intelligent systems with a symbolic oriented perspective. Even though this has been a partially forced path due to the very limited computing capabilities at the time, it marked the beginning of what is now known as Classical (or Symbolic) Artificial Intelligence, or essentially, a set of techniques for implementing "intelligent" behaviours by means of logic formalisms and theorem proving. Classical AI techniques are indeed very direct and human-centered processes, which find their strenghts on straightforward human interpretability and knowledge reusability. On the contrary, they suffer of computability problems when applied to real world tasks, mostly due to search space combinatorial explosion (especially when reasoning with time), and undecidability. However, the ever-increasing capabilites of computer hardware opened new possibilities for other more statistical-oriented methods to grow, such as Neural Networks. Even if the theory behind these methods was long known, it was only in recent years that they managed to achieve significant breakthroughs, and to surpass Classical AI techniques on many tasks. At the moment, the main hurdles of such statistical AI techniques are represented by the high energy consumption and the lack of easy ways for humans to understand the process that led to a particular result. Summing up, Classical and Statistical AI techniques can be seen as two faces of the same coin: if a domain presents structured information, little uncertainty, and clear decision processes, then Classical AI might be the right tool, or otherwise, when the information is less structured, has more uncertainty, ambiguity and clear decision processes cannot be identified, then Statistical AI should be chosen. The main purpose of this thesis is thus (i) to show capabilities and limits of current (Classical and Statistical) Artificial Intelligence techniques in both structured and unstructured domains, and (ii) to demostrate how event-based modeling can tackle some of their critical issues, providing new potential connections and novel perspectives.
Bonfiglioli, Luca. « Identificazione efficiente di reti neurali sparse basata sulla Lottery Ticket Hypothesis ». Master's thesis, Alma Mater Studiorum - Università di Bologna, 2020.
Trouver le texte intégralPetrocelli, Danilo. « Reti neurali convoluzionali per il riconoscimento facciale sul robot NAO ». Master's thesis, Alma Mater Studiorum - Università di Bologna, 2017.
Trouver le texte intégralMazzini, Lisa. « Reti neurali ricorrenti per il riconoscimento di gesti con controller LeapMotion ». Master's thesis, Alma Mater Studiorum - Università di Bologna, 2018. http://amslaurea.unibo.it/17119/.
Texte intégralLaudisa, Costanza. « Identificazione di utenti in base a come digitano sullo smartphone tramite reti neurali ». Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2019. http://amslaurea.unibo.it/19618/.
Texte intégralOrlandini, Lucrezia. « Applicazione di reti neurali per l’implementazione di un modello di demand forecasting in ambito fashion ». Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2019.
Trouver le texte intégralRigotti, Laura. « L'Intelligenza Artificiale come contesto per un approccio STEM alla didattica ». Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2018. http://amslaurea.unibo.it/16737/.
Texte intégralMaragno, Alessandro. « Programmazione di Convolutional Neural Networks orientata all'accelerazione su FPGA ». Master's thesis, Alma Mater Studiorum - Università di Bologna, 2016. http://amslaurea.unibo.it/12476/.
Texte intégralTontini, Giacomo. « Previsione di agenti inquinanti mediante reti neurali e ottimizzazione degli iperparametri attraverso grid search con Talos ». Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2018. http://amslaurea.unibo.it/16832/.
Texte intégralIuliano, Luca. « Analisi delle prestazioni di una rete neurale convoluzionale per la super-resolution di un'immagine ». Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2020.
Trouver le texte intégralSaidoun, Nassima. « Il futuro del lavoro e il futuro dell’intelligenza artificiale ». Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2017.
Trouver le texte intégralFabbri, Mirko. « Tecniche di visione artificiale per il conteggio di persone ». Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2020.
Trouver le texte intégralZucchi, Lorenzo. « Fenomeni visivi durante movimenti oculari saccadici : studio mediante modello di rete neurale ». Master's thesis, Alma Mater Studiorum - Università di Bologna, 2019. http://amslaurea.unibo.it/17918/.
Texte intégralKazazi, Arber. « Riconoscimento e classificazione di beni culturali : un caso di studio per Casa Bufalini ». Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2022.
Trouver le texte intégralItalia, Simone. « Analisi e implementazione di un sistema di previsione della domanda basato sull'utilizzo dell'intelligenza artificiale : il caso Orogel soc. coop. agricola ». Master's thesis, Alma Mater Studiorum - Università di Bologna, 2020.
Trouver le texte intégralBarbazza, Sigfrido. « Deep-learning applicato all'identificazione automatica di frutta in immagini ». Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2016. http://amslaurea.unibo.it/11526/.
Texte intégralTomasone, Marco Benito. « Pipeline per il Machine Learning : Analisi dei workflow e framework per l’orchestrazione i casi Recommendation System e Face2Face Traslation ». Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2021.
Trouver le texte intégralBUZZELLI, MARCO. « Automatic Description and Annotation of Complex Scenes ». Doctoral thesis, Università degli Studi di Milano-Bicocca, 2019. http://hdl.handle.net/10281/241287.
Texte intégralAutomatically describing digital images consists in extracting information that meaningfully represents the depicted elements and their attributes. The specific concept of "meaningful" can be determined by the final application: in assistance to visually impaired people, for example, the final user might want to recognize familiar elements such as landmarks and logos. In the context of driver support for smart cars, it could be useful to recognize other vehicles and pedestrians, and to tell their distance from the car itself. A general pipeline for the envisioned scenarios involves three steps: object proposal, classification, and attributes extraction. In this thesis, several methods have been studied and developed for each of these steps, and subsequently applied to specific domains with the intent of comparing the produced solutions with existing works. Object proposal: one or many subregions containing elements of potential interest are extracted from the input image. In this thesis, single-object proposal is achieved using a neural architecture that is optimized in a novel way, combining genetic programming for the structure optimization with back-propagation for parameters tuning. Crossing the gap between object proposal and classification, semantic segmentation is then addressed with the definition of an original neural architecture that pays particular attention to computational efficiency for high-throughput scenarios. Classification: the subregions generated by the object proposal phase are classified into visual classes. Logo recognition is reported as a first case study. A new dataset has been collected, extending tenfolds the existing standard. Its combination with synthetic forms of data augmentation allows to reach state of the art performance. Vegetables and fruits recognition is then chosen as a representative example for fine-grained visual classification problems. The task is addressed by preprocessing images with object proposal algorithms, and by exploiting the hierarchical structure of the depicted classes. Attributes extraction: some subregions, identified as belonging to specific classes, are being associated with extra information. For the task of illuminant estimation, an original learning strategy is proposed, that completely avoids the need for explicitly-annotated illuminant information, relying instead on alternatively-available object-class annotations. Distance estimation is reported as a final case study. An alternative data representation is proposed, which is independent of any specific acquisition device, allowing the training of richer models for distance estimation. The role of data and its representation emerges as a common theme throughout the whole thesis. In particular, the following work describes the path from relying on existing manual annotations, to gradually reducing this dependency through alternative representations and learning strategies.
Galassi, Andrea. « Symbolic versus sub-symbolic approaches : a case study on training Deep Networks to play Nine Men’s Morris game ». Master's thesis, Alma Mater Studiorum - Università di Bologna, 2017. http://amslaurea.unibo.it/12859/.
Texte intégralCuccovillo, Andrea. « Deep Learning : descrizione e alcune applicazioni ». Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2017. http://amslaurea.unibo.it/14896/.
Texte intégralCORNELI, ALESSANDRA. « Artificial Intelligence assisted Building Digitization using Mixed Reality ». Doctoral thesis, Università Politecnica delle Marche, 2020. http://hdl.handle.net/11566/274488.
Texte intégralFacility Management in complex buildings requires a large amount of information that can be stored in a functional building model. A functional building model is a structured representation of the building including information crucial for specific functions such as safety, refurbishment actions or operation and maintenance. Surveying this kind of data, such as technical properties of building components, is a costly process. For this reason, an advanced tool for engineering surveys is needed. Nowadays many studies still focus on capturing geometry, overlooking the fact that many recurring actions are conducted on assets inside buildings. Many systems proposed exploit highly accurate survey techniques, like laser scanning or photogrammetry, but they need long postprocessing efforts to interpret data collected. Moreover, these operations are not pursued on site leading to inaccuracies for the incorrect interpretation of data. Under these circumstances, the possibility of performing the majority of operation on-site would definitely make the process more efficient and it would reduce errors. This research proposes a system for digitization exploiting manmachine intelligence collaboration without post-processing. To this aim, Mixed Reality with its capability of interacting with real world is applied giving an environment for man-machine collaboration. The capability of Mixed Reality of overlapping digital data to the real environment makes possible checking data directly on site. For the object recognition process the system proposed in this research make use of Neural Network. YOLO (You Only Look Once) Neural Networks has been chosen for its speed and multiple detection features, ideal for real-time applications. The system has been developed and its performance evaluated for the detection of fire protection system components. First single Neural Network have been tested reaching always more than 85%of F1 factor. Then the whole embedded system proposed has been tested on site to prove its feasibility in a real-world scenario.
ZINI, SIMONE. « Image Enhancement and Restoration using Machine Learning Techniques ». Doctoral thesis, Università degli Studi di Milano-Bicocca, 2022. http://hdl.handle.net/10281/378899.
Texte intégralDigital cameras record, manipulate, and store information electronically through sensors and built-in computers, which makes photography more available to final users which do not anymore need to rely on the use of chemicals and knowledge of mechanical procedures to develop their pictures. Different types of degradation and artifacts can affect images acquired using digital cameras, decreasing the perceptual fidelity of images and making harder many image processing and analysis tasks that can be performed on the collected images. Three elements can be identified as possible sources of artifacts in an image: the scene content, the hardware limitations and flaws, and finally the operations performed by the digital camera processing pipeline itself, from acquisition to compression and storing. Some artifacts are not directly treated in the typical camera processing pipeline, such as the presence of haze or rain that can reduce visibility of the scene in the depicted images. These artifacts require the design of ad hoc methods that are usually applied as post-processing on the acquired images. Other types of artifacts are related to the imaging process and to the image processing pipeline implemented on board of digital cameras. These include sensor noise, undesirable color cast, poor contrast and compression artifacts. The objective of this thesis is the identification and design of new and more robust modules for image processing and restoration that can improve the quality of the acquired images, in particular in critical scenarios such as adverse weather conditions, poor light in the scene etc… . The artifacts identified are divided into two main groups: “in camera-generated artifacts" and “external artifacts and problems". In the first group it has been identified and addressed four main issues: sensor camera noise removal, automatic white balancing, automatic contrast enhancement and compression artifacts removal. The design process of the proposed solutions has considered efficiency aspects, due to the possibility of directly integrating them in future camera pipelines. The second group of artifacts are related to the presence of elements in the scene which may cause a degradation in terms of visual fidelity and/or usability of the images. In particular the focus is on artifacts induced by the presence of rain in the scene. The thesis, after a brief review of the digital camera processing pipeline, analyzes the different types of artifacts that can affect image quality, and describes the design of the proposed solutions. All the proposed approaches are based on machine learning techniques, such as Convolutional Neural Networks and Bayesian optimization procedure, and are experimentally validated on standard images datasets. The overall contributions of this thesis can be summarized in three points: integration of classical imaging approaches with machine learning optimization techniques, design of novel deep learning architectures and approaches and analysis and application of deep learning image processing algorithms in other computer vision tasks.
Scarpellini, Alberto. « Metodologie avanzate per l'analisi delle performance di un impianto eolico ». Master's thesis, Alma Mater Studiorum - Università di Bologna, 2018. http://amslaurea.unibo.it/15191/.
Texte intégralVenturi, Alberto. « Implementazione di un sistema intelligente per la modellazione di processo con un'applicazione alla pressofusione ». Master's thesis, Alma Mater Studiorum - Università di Bologna, 2019.
Trouver le texte intégralLauria, Davide. « Sistema di visione artificiale “chiavi in mano” composto da sistema stereo e rete neurale per applicazioni di guida robot industriali ». Master's thesis, Alma Mater Studiorum - Università di Bologna, 2021. http://amslaurea.unibo.it/22374/.
Texte intégralTartuferi, Mariano. « Sviluppo dell'eolico offshore nel Mare Adriatico : ricostruzione del campo di vento di mesoscala e uso di reti neurali artificiali per la previsione di producibilità energetica a breve termine ». Doctoral thesis, Università Politecnica delle Marche, 2015. http://hdl.handle.net/11566/242933.
Texte intégralThe P.O.W.E.R.E.D. project (www.powered-ipa.it) has been funded aiming to the definition of shared guidelines for the future development of offshore wind energy in the Adriatic Sea. Several activities have been planned in order to achieve such strategic goal. By means of a mesoscale meteorological model of the whole Adriatic basin (implemented in the numerical code PSU/NCAR MM5v3), has been performed the hindcasting analysis of the regional anemometric resources for the period 2009-2011. Further investigations have been completed for 2008 and 2012, beyond the project’s requirements. The obtained results allowed elaborating a middle term characterization of the wind energy potential in the area: the major wind energy resources are all localized between the coasts of Apulia Region, Montenegro and Albania. Thus, the southern portion of the Adriatic basin appears the most promising area for the future installation of offshore wind farms. The validation of the mesoscale meteorological model requires observed wind data, collected by anemometric stations able to perform high quality wind measurements. Numerical results exhibit a good agreement with observations of some sample stations, awaiting the completion of the P.O.W.E.R.E.D. network of anemometric towers. One of these measuring stations should be of offshore type: a CFD (Computational Fluid Dynamics) analysis of an existing marine platform proved the technical feasibility of exploiting such type of structures as supporting system of an offshore anemometric tower. Finally, a short-term (24-48 h) wind power forecasting approach has been developed in order to elaborate accurate predictions of the energy production of a wind farm: key features of such method are in the integrated use of a physical model (MM5v3) and ANNs (Artificial Neural Networks). A test case in an existing wind farm confirmed the ability of the proposed hybrid forecasting system to produce accurate wind energy estimations.
Donati, Gabriele <1970>. « Validazione dell'accuratezza di diagnostica di una rete neurale artificiale nella predizione della fibrosi epatica da epatite HCV stadiata con biopsia epatica ecoguidata ». Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2007. http://amsdottorato.unibo.it/578/1/donati.pdf.
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