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Дисертації з теми "Simulazione veicolo"
Vandi, Gabriele <1986>. "Simulazione dinamica di un veicolo dotato di powertrain ibrido endotermico-elettrico." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2015. http://amsdottorato.unibo.it/6806/1/Vandi_Gabriele_Tesi.pdf.
Повний текст джерелаOne of the challenges of the modern automotive industry is to develop engines and vehicles with an always more stringent legislation about pollutant emissions. Hybrid vehicles are a valid alternative to these limitations and could represent a good way to reduce fuel consumption and pollutant emissions. In literature it is possible to find several studies that deal with the optimization of the components or of the control strategies of this kind of vehicles, but less importance is given to the effects on vehicle dynamics that could be caused by the addition of the components of the additional system. The idea behind this work is to add on a traditional vehicle an electric kit, composed by 2 electric motors that can be added in correspondence of the non-driven wheels, a battery and the necessary power electronics to control the 2 motors obtaining an hybrid vehicle: the attention will be focused on vehicle dynamics and in particular on the changes in vehicle dynamics due to the mass increase and to the variation of the center of gravity position. Moreover it will be investigated how to use the electric motors to correct undesired effects in vehicle behavior. To achieve the preset objectives, a 14 degrees freedom vehicle model, which could allow to apply a different torque to each wheel, has been developed in Matlab/Simulink environment and validated. The so-built simulator has then been used to simulate 2 configurations of the same vehicle (with different mass and center of gravity position) to compare their performances and to verify which effects on vehicle dynamics could be obtained applying driving and braking torques through the electric motors.
Vandi, Gabriele <1986>. "Simulazione dinamica di un veicolo dotato di powertrain ibrido endotermico-elettrico." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2015. http://amsdottorato.unibo.it/6806/.
Повний текст джерелаOne of the challenges of the modern automotive industry is to develop engines and vehicles with an always more stringent legislation about pollutant emissions. Hybrid vehicles are a valid alternative to these limitations and could represent a good way to reduce fuel consumption and pollutant emissions. In literature it is possible to find several studies that deal with the optimization of the components or of the control strategies of this kind of vehicles, but less importance is given to the effects on vehicle dynamics that could be caused by the addition of the components of the additional system. The idea behind this work is to add on a traditional vehicle an electric kit, composed by 2 electric motors that can be added in correspondence of the non-driven wheels, a battery and the necessary power electronics to control the 2 motors obtaining an hybrid vehicle: the attention will be focused on vehicle dynamics and in particular on the changes in vehicle dynamics due to the mass increase and to the variation of the center of gravity position. Moreover it will be investigated how to use the electric motors to correct undesired effects in vehicle behavior. To achieve the preset objectives, a 14 degrees freedom vehicle model, which could allow to apply a different torque to each wheel, has been developed in Matlab/Simulink environment and validated. The so-built simulator has then been used to simulate 2 configurations of the same vehicle (with different mass and center of gravity position) to compare their performances and to verify which effects on vehicle dynamics could be obtained applying driving and braking torques through the electric motors.
Bonesso, Gianluca. "Sviluppo di un cerchio in alluminio per veicolo ultraleggero a energia solare." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2020. http://amslaurea.unibo.it/20913/.
Повний текст джерелаBorrillo, Mattia. "Coordinazione di veicoli autonomi: simulazione di incroci stradali." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2018. http://amslaurea.unibo.it/16845/.
Повний текст джерелаTEBALDI, DAVIDE. "Modellistica Matematica Controllo e Simulazione di Veicoli Ibridi Elettrici." Doctoral thesis, Università degli studi di Modena e Reggio Emilia, 2022. http://hdl.handle.net/11380/1271187.
Повний текст джерелаThis work of thesis deals with the mathematical modeling, control and simulation of Hybrid Electric Vehicles. First, the classification and description of the main architectures for Hybrid Electric Vehicles are carried out, highlighting pros and cons of the different architectures. The modeling is performed exploiting the properties of the Power-Oriented Graphs modeling technique. Among all the involved physical elements, particular attention is given to the modeling of planetary gear sets, multilevel flying-capacitor converters and permanent magnet synchronous motors. As far as planetary gear sets are concerned, a systematic procedure has been developed for the systematic modeling of any planetary gear set using a unified approach. The proposed procedure allows to obtain two models of the system: a full elastic model, representing a more detailed modeling of the considered planetary gear set accounting for the gears elastic contact points, and a reduced-order model allowing to use fixed-step solvers with a larger simulation step size, which is more suitable for real-time execution. As for multilevel flying-capacitor converters, a compact model is proposed. Next, a robustness assessment when the converter is controlled using a classical minimum distance control is performed, and a new variable-step control strategy allowing to guarantee capacitors voltages balancing is proposed. For what concerns permanent magnet synchronous motors, a poweroriented model is proposed, together with its efficiency analysis based on which model parameters estimation can be performed starting from the motor efficiency map. Some Hybrid Electric Vehicle architectures in the agricultural and construction fields are then proposed as case studies, and a solution for the energy management problem is studied for all of them. Finally, simulation results for each Hybrid Electric Vehicle architecture are reported and commented in detail.
Bruscolini, Matteo. "Modellazione e simulazione dell’interazione suolo-carrello per veicoli a decollo verticale." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2021. http://amslaurea.unibo.it/22325/.
Повний текст джерелаCecchini, Leonardo. "Modelli per la Simulazione del Comportamento della Batteria di Veicoli ELettrici." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2022. http://amslaurea.unibo.it/25107/.
Повний текст джерелаRotondi, Andrea. "Studio e simulazione di un inverter di tipo Z per veicoli elettrici." Bachelor's thesis, Alma Mater Studiorum - Università di Bologna, 2012. http://amslaurea.unibo.it/4294/.
Повний текст джерелаD’Andreamatteo, Daniele. "Implementazione e sperimentazione di algoritmi per il Routing di veicoli in tempo reale." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2012. http://amslaurea.unibo.it/3589/.
Повний текст джерелаZoffoli, Lorenzo <1990>. "Sviluppo di Modelli Zero-Dimensionali per la Simulazione di Componenti di Motori e Veicoli su Piattaforme HiL." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2018. http://amsdottorato.unibo.it/8429/1/Zoffoli_Lorenzo_Tesi.pdf.
Повний текст джерелаIn recent years, an increase in the complexity of internal combustion engines has been observed due to stricter limits on pollutant gas emissions. Engine control units also became more complex in order to control new ICEs features and hardware, therefore ECU control strategies development and testing became crucial for all automotive manufacturers. In the automotive world innovative systems to support ECU software development have been introduced: software-in-the-loop -SIL- and hardware-in-the-loop -HIL- systems. Both are based on simulation models of vehicles and their components, to test the ECU simulating the actual vehicle behavior. Many simple models are available on literature: starting from the literature it is possible to develop new ones for HIL systems. The work illustrates models related to racing vehicles, focused on motorsport applications, to create a library usable in different HIL applications. All these models must be compatible with real-time computing, so a zero-dimensional approach with mean value parameters has been introduced. At first, a complete 4WD vehicle model has been completed, developing the work started during the master degree thesis, introducing a subsystem for the simulation of the exhaust components. The developed vehicle model has been adapted to a motorcycle and some specific systems have been considered in the simulation. A model for the simulation of elastomeric elements has been introduced with the development of an automatic parameters calibration procedure. Then, a knock model, dedicated to motorsport applications has been created to validate ECU closed-loop combustion strategies. Finally, the work has been focused on a simulation of the engine water cooling system, to test thermal management strategies related to thermal management of the ICE. All the presented models have been calibrated based on experimental data, while validation process has been performed on experimental test and evaluated in term of correlation between predicted results and experimental measures.