3 resultados para Bears.

em AMS Tesi di Laurea - Alm@DL - Università di Bologna


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This dissertation deals with the development of a project concerning a demonstration in the scope of the Supply Chain 6 of the Internet of Energy (IoE) project: the Remote Monitoring Emulator, which bears my personal contribution in several sections. IoE is a project of international relevance, that means to establish an interoperability standard as regards the electric power production and utilization infrastructure, using Smart Space platforms. The future perspectives of IoE have to do with a platform for electrical power trade-of, the Smart Grid, whose energy is produced by decentralized renewable sources and whose services are exploited primarily according to the Internet of Things philosophy. The main consumers of this kind of smart technology will be Smart Houses (that is to say, buildings controlled by an autonomous system for electrical energy management that is interoperable with the Smart Grid) and Electric Mobility, that is a smart and automated management regarding movement and, overall, recharging of electrical vehicles. It is precisely in the latter case study that the project Remote Monitoring Emulator takes place. It consists in the development of a simulated platform for the management of an electrical vehicle recharging in a city. My personal contribution to this project lies in development and modeling of the simulation platform, of its counterpart in a mobile application and implementation of a city service prototype. This platform shall, ultimately, make up a demonstrator system exploiting the same device which a real user, inside his vehicle, would use. The main requirements that this platform shall satisfy will be interoperability, expandability and relevance to standards, as it needs to communicate with other development groups and to effectively respond to internal changes that can affect IoE.

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This dissertation document deals with the development of a project, over a span of more than two years, carried out within the scope of the Arrowhead Framework and which bears my personal contribution in several sections. The final part of the project took place during a visiting period at the university of Luleå. The Arrowhead Project is an European project, belonging to the ARTEMIS association, which aims to foster new technologies and unify the access to them into an unique framework. Such technologies include the Internet of Things phe- nomenon, Smart Houses, Electrical Mobility and renewable energy production. An application is considered compliant with such framework when it respects the Service Oriented Architecture paradigm and it is able to interact with a set of defined components called Arrowhead Core Services. My personal contribution to this project is given by the development of several user-friendly API, published in the project's main repository, and the integration of a legacy system within the Arrowhead Framework. The implementation of this legacy system was initiated by me in 2012 and, after many improvements carried out by several developers in UniBO, it has been again significantly modified this year in order to achieve compatibility. The system consists of a simulation of an urban scenario where a certain amount of electrical vehicles are traveling along their specified routes. The vehicles are con-suming their battery and, thus, need to recharge at the charging stations. The electrical vehicles need to use a reservation mechanism to be able to recharge and avoid waiting lines, due to the long recharge process. The integration with the above mentioned framework consists in the publication of the services that the system provides to the end users through the instantiation of several Arrowhead Service Producers, together with a demo Arrowhead- compliant client application able to consume such services.

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In 2011 the GSB/USB caving group of Bologna has discovered, in the southern fossil branches of Govjestica cave (Valle di Praça, Bosnia) a fossil deposit of vertebrates containing bones of Ursus spelaeus, Capra ibex, Cricetulus migratorius and Microtus. On the basis of the U/Th ages of the bones, teeth and carbonate flowstone covering the fossils (60 ka), datings carried out in the laboratories of U-Series at Bologna, and on the disposition of the bones, a past connection between Govjestica and the nearby Banja Stjena cave is hypothesised. The closure of this passage has occurred suddenly through a collapse that has forced the last cave bears awakened from their winter sleep to stay blocked in Govjestica, and die. The connecting passage has later been covered with calcite flowstones and is no longer visible. This hypothesis is sustained by the rather scarce number of skeletons of cave bears found in Govjestica (a dozen of skulls against the often large amounts of cave bears found in similar caves): Govjestica cave, and especially the Room of the Bones in its southern part, has been used by cave bears only for a couple of centuries before these parts became inaccessible. Furthermore, the entrance of Banja Stjena cave was probably located close to or at the level of the Praça river, that has excavated its thalweg for around 20 metres in the last 60 ka.