Literatura científica selecionada sobre o tema "Véhicules automobiles – Systèmes de communication"
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Artigos de revistas sobre o assunto "Véhicules automobiles – Systèmes de communication"
Bretes, José. "Sur la voie de l’automobile autonome. Ma voiture et comment elle voit le monde". Photoniques, n.º 97 (julho de 2019): 22–24. http://dx.doi.org/10.1051/photon/20199722.
Texto completo da fonteGish, Jessica A., Amanda Grenier, Brenda Vrkljan e Benita Van Miltenburg. "Older People Driving a High-Tech Automobile: Emergent Driving Routines and New Relationships with Driving". Canadian Journal of Communication 42, n.º 2 (23 de maio de 2017). http://dx.doi.org/10.22230/cjc.2017v42n2a3125.
Texto completo da fonteTeses / dissertações sobre o assunto "Véhicules automobiles – Systèmes de communication"
Ayaida, Marwane. "Contribution aux communications intra-véhicule et inter-véhicules". Thesis, Reims, 2012. http://www.theses.fr/2012REIMS016/document.
Texto completo da fonteModern vehicles are equipped with various devices that aim to automate tasks (shift transmission, cruise control, etc.) or to provide services to the user (driver assistance, obstacle detection, etc.). Communications between vehicles help to expand these services through the collaboration of several vehicles (accident prevention, traffic management, etc.). The proliferation of these devices, their interfaces and protocols makes the data exchange more complex. In addition, inter-vehicle communication is more restrictive because of the vehicles' high mobility.In this work, we propose the design of a communication channel Connect to All (C2A) that ensures the interoperability between embedded devices in a vehicle. In fact, it detects the equipment connection, recognizes it and allows it to exchange data with other devices. The channel design starts by the modelling step using two different techniques (the model checker tool UPPAAL and the Specification and Description Language (SDL). Then, we validate the designed models. We also detail a concrete implementation of the channel on an embedded chip that aims to show the C2A interoperability concept feasibility.We also studied the mobility effects in the inter-vehicular communication through a hybrid approach mixing routing and location-based service. This approach provides a mechanism to reduce vehicle-tracking costs while increasing routing performances. Moreover, we compare two applications of this approach: Hybrid Routing and Grid Location Service (HRGLS) and Hybrid Routing and Hierarchical Location Service (HRHLS) with classical approaches to prove the added value. Then, this approach is improved with a mobility prediction algorithm. The latter allows a better understanding of the vehicle movements by estimating them. Similarly, the hybrid approach with mobility prediction Predictive Hybrid Routing and Hierarchical Location Service (PHRHLS) is compared with the basic approach and HRHLS in order to show the mobility prediction advantages
Ammoun, Samer. "Contribution des communications intervéhiculaires pour la conception de systèmes avancés d’aide à la conduite". Paris, ENMP, 2007. http://pastel.paristech.org/3671/01/These_Ammoun.pdf.
Texto completo da fonteThe advanced driver assistance systems aim to introduce intelligence into the. The classic approach is to provide the vehicle with the ability to perceive its environment. The recent developments in the field of wireless telecommunications has made possible to re-think the driving model by introducing the concept of cooperatio. The standardization of a communication protocol for the automotive domain is being preparedbut the successful introduction of this technology is strongly correlated to the implementation of realistic services. To bridge this gap, we wanted to focus in this thesis on the design of new cooperative driver assistance systems for the improvement of road safety. The aim of the thesis is thus to demonstrate the feasibility of cooperative applications with existing communications equipments and to study the contribution of this technology in the prevention of collisions. We propose architecture for wireless communication based on the 802. 11 standard, and we explore theperformance of our system through campaigns to test the adequacy with the requirements of the cooperative applications. Based on this architecture, we exploited our system in two types of applications:- The risk assessment on intersection approach- The assistance during a lane changeFor each of these two scenarios we have implemented a system of collision risk prediction and prevention between vehicles and performed real tests on the experimental prototyping platform LaRA
Jabbour, Maged. "Localisation de véhicules en milieu urbain à l'aide d'un lidar et d'une base de données navigable". Compiègne, 2007. http://www.theses.fr/2007COMP1713.
Texto completo da fonteThis thesis deals with 2D dynamic ego-localization of Intelligent Vehicles in urban areas by using, as main source of information, a GPS receiver hybridized with a lidar (laser range scanner), a digital database and proprioceptive sensors, in order to overcome the problem of poor satellite visibility in urban areas. Thanks to the mapping of road curves, the lidar allows localizing the vehicle with an accuracy that increases as the vehicle drives in the same areas. This procedure is implemented using a Simultaneous Localization And Mapping (SLAM) formulation of the problem. Since, road databases contain location information that can be fused to improve localization. A multi hypothesis map-matching method for tracking the pose is proposed. It uses the map information as an observation in the localization process through a Gaussian mixture. Finally, we propose to use the road database as a backbone to manage natural landmarks storage coming from exteroceptive sensors. These landmarks, which are regrouped in local maps and linked to roads, constitute a dedicated geographic information layer that can be used for the autonomous navigation of intelligent vehicles. Experimental results show the performance of the different studied approaches
Salameh, Nadeen. "Conception d’un système d’alerte embarqué basé sur les communications entre véhicules". Thesis, Rouen, INSA, 2011. http://www.theses.fr/2011ISAM0016/document.
Texto completo da fonteDuring the last recent years, ADAS systems such as collision warning, tracking, night vision and navigation systems have been developed. The development of these systems has witness eda growing importance, as they are expected to help improving both road safety and traffic efficiency. More over, they have an ability to enhance the communication between the road infrastructure and the vehicle or between vehicles for safer and efficient transportation services such as : embedded advance collision, collision avoidance and automatic control. In addition,given the rapidly increasing interest in wireless communications, cooperative ADAS define anew framework of autonomous inter vehicular communication which operates on the assumption that such vehicles consist of a multitude of coordinated advanced sensory technologies.Sensors acquire real-time data about road conditions to help the driver respond effectively by sending appropriate messages between vehicles. In addition, these data help to assess the performance of ADAS in the context of improving driver behavior. It is necessary to set some main metrics such as inter-vehicle distance, driver reaction time and time to collision. The messages are transmitted to drivers using vehicular Ad-hoc networks (VANETs) which are a specific type of Mobile Ad-hoc Networks hold the promise to contribute to safe and more efficient roadways.In this thesis we proposed a new methodology of development to prototype ADAS. This methodology dedicated to cooperative ADAS drove us to implement a new simulated frameworkof prototyping system. This framework combines the data from three models : Geo-localizationGPS, vision and V2V communication towards an application of anti-collision warning system. A major problem in communicating ADAS systems is the quality and robustness of the communication.It depends on a large number of parameters that must be modeled to assess there liability of these systems. We developed a new prototyping system based on the principle ofaugmenting the reality in which we can replay actual data and change settings of communication environment. The GPS data and routing protocols were crucial elements for V2V model simulation into ns-2 simulator. We have performed real tests on the experimental prototyping platform LaRA. Multiple results are presented to show up the constancy of the method and the performance efficiency of real-time multi sensors in an integrated framework for collision avoidance applications. Results of this research have shown that IVCs simulations system provides enhanced data for the verification of features of new ADAS. The results of routing protocols simulation with real-time location data are integrated in the new developed prototype. The implementation of the system warning was used to estimate the number of pre-collisions detected in both real and simulated situations. The difference between these two situations was studied and analyzed for several scenarios corresponding to different road situations
Challita, Georges. "Contribution au positionnement des véhicules communicants fondé sur les récepteurs GPS et les systèmes de vision". Thesis, Rouen, INSA, 2009. http://www.theses.fr/2009ISAM0004.
Texto completo da fonteThis thesis work realised at the STI team of the LITIS Laboratory, in collaboration with the Center of Robotics CAOR at the Ecole des Mines of Paris and the INRIA Rocquencourt, and tested on the prototype LARA. The aim is to better positionning of intelligent vehicles equipped with GPS, vision systems and communication devices used for cooperation between vehicles. In urban areas, The usage of GPS is not always ideal because of the poorness of the satellite coverage. Sometimes, the GPS signal may be also corrupted by multipath reflections due to tunnels, high buildings, electronic interferences etc. So, in order to accurate the vehicle positioning in the navigation application, the GPS data will be enhanced with vision data using communication between vehicles. The vision system is based on a monocular real-time vision-based vehicle detection. We can calculate the distance between vehicles using the pinhole model. We developped a rain detection system using the same camera. The inter-vehicle cooperation is made possible thanks to the revolution in the wireless mobile ad hoc network. Localization information can be exchanged between the vehicles through a wireless communication devices. The creation of the system will adopt the Monte Carlo Method or what we call a particle filter for the treatment of the GPS data and vision data. An experimental study of this system is performed on our fleet of experimental communicating vehicles LARA
Bel, Hadj Mabrouk Ahmed. "Etude théorique et expérimentale d'un moyen d'essais permettant de reproduire les canaux de radiocommunication intra-véhicule". Rouen, 2016. http://www.theses.fr/2016ROUES005.
Texto completo da fonteKhaled, Yacine. "Contributions aux communications dans les réseaux de véhicules : application à la pré-visibilité de route". Compiègne, 2007. http://www.theses.fr/2007COMP1714.
Texto completo da fonteThe communication in vehicular ad hoc network (VANET) is an important component of the Intelligent Transportation System (ITS) allowing a vehicle to communicate with others, even if they are not in the same neighbourhood. The use of communications in this type of network allows to improve the road safety as well as comfort of the driver and passengers. However, VANET behaves fundamentally different from the traditional ad hoc network, that it is characterized for high mobility and rapidly changing topology. Thus, the important challenges appear such the access to the channel and information routing. In this thesis, we deal with communication in vehicular network so that this one is applied to roads foreseeing. We start by studying the adequacy of IEEE 802. 11 standard in VANET, in order to prototype our solutions with this standard. In parallel, we study the fairness in chain of senders. Then, we analyse the routing solutions in VANET, where we propose a new taxonomy of routing protocols based on the use-cases; applications requirement and road environnement are taken into account. After, we propose a new approach of routing in VANET, in which vehicles communicate through conditions instead of to use an addressing. The knowledge of road environment allows to optimize communications by adapting the conditions of retransmissions, through the existence of a stable structure. For this usage, we propose an algorithm of detection of this structure, represented by a convoy. Finally, we implement these solutions in our two platforms: embedded and with the network simulator
Plainchault, Patrick. "Sécurisation de la conduite par communication véhicule infrastructure à base de transpondeurs". Toulouse, INPT, 2005. http://ethesis.inp-toulouse.fr/archive/00000137/.
Texto completo da fonteFor many years, car manufacturers have been trying to ensure the safety of automobile movements. This thesis relates how a transponder based communication between vehicles and infrastructure can be used. In the first part overview of localisation systems (LIDAR, RADAR, video cameras, magnetic strip following, GPS, gyro platforms and cartography systems embedded in the vehicle), local communication (DAB, UMTS, DSRC, Bluetooth, WIFI, InfraRed,. . . ) and transponder technology are presented. Then it recalls the principles of transponder. This communication system consists of two main elements: 1) a base station with an antenna embedded in a vehicle, 2) a transponder, located in the tread including an antenna, a microcontroller for data processing and communication and a memory. Finally, also some results and applications: lateral and longitudinal positioning, inter distance calculation and detection of wrong way traffic are presented
El, Ali Farah. "Communication unicast dans les réseaux mobiles dynamiques". Phd thesis, Université de Technologie de Compiègne, 2012. http://tel.archives-ouvertes.fr/tel-00795923.
Texto completo da fonteRusso, Jean-Nicola. "Evaluation du risque de téléscopage dans un contexte de véhicules communicants par la méthode des réseaux Bayésiens". Thesis, Mulhouse, 2018. http://www.theses.fr/2018MULH2947.
Texto completo da fonteTechnological advances and the globalization of transport have led to an increase flow of passengers. However, in the automotive sector, technical or human problems lead to accidents that still cause thousands of injuries and deaths each year. As a result, government authorities and car manufacturers are working on new regulations and technical advances to ensure safety of every road user. To ensure that cut of deaths and injuries, an interesting research approach is to merge information from the vehicle, the driver and the environment in order to warn the driver of the risk he is taking or even to act directly on the vehicle. Thus, after defining the risk we consider, we are interested here in its modelling and estimation in real time. In this context, the deceleration of the leading vehicle is monitored and studied then we analyze and process the data through a Bayesian network in order to evaluate the rear-end risk that will be shared through vehicular communication thanks to VANet
Livros sobre o assunto "Véhicules automobiles – Systèmes de communication"
Conseil canadien des ministres de l'environnement. Groupe de travail national sur les émissions des véhicules légers et les programmes d'inspection et d'entretie., ed. Code de recommandations techniques pour la protection de l'environnement, programmes d'inspection et d'entretien pour le contrôle des émissions des véhicules légers. 2a ed. Winnipeg: Le Groupe de travail, 1998.
Encontre o texto completo da fonteHeld, Gilbert. Inter- and Intra-Vehicle Communications. AUERBACH, 2007.
Encontre o texto completo da fonteCode de recommandations techniques pour la protection de l'environnement: Programmes d'inspection et d'entretien pour le contrôle des émissions des véhicules légers. 2a ed. Winnipeg, Man: Conseil canadien des ministres de l'environnement, 1998.
Encontre o texto completo da fonteJian, Wang, Yunpeng Wang, Zhengguo Sheng e Daxin Tian. Connected Vehicle Systems: Communication, Data, and Control. Taylor & Francis Group, 2017.
Encontre o texto completo da fonteJian, Wang, Yunpeng Wang, Zhengguo Sheng e Daxin Tian. Connected Vehicle Systems: Communication, Data, and Control. Taylor & Francis Group, 2017.
Encontre o texto completo da fonteJian, Wang, Yunpeng Wang, Zhengguo Sheng e Daxin Tian. Connected Vehicle Systems: Communication, Data, and Control. Taylor & Francis Group, 2017.
Encontre o texto completo da fonteJian, Wang, Yunpeng Wang, Zhengguo Sheng e Daxin Tian. Connected Vehicle Systems: Communication, Data, and Control. Taylor & Francis Group, 2017.
Encontre o texto completo da fonteDenton, Tom. Automated Driving and Driver Assistance Systems. CRC Press LLC, 2019.
Encontre o texto completo da fonteAutomated Driving and Driver Assistance Systems. Taylor & Francis Group, 2019.
Encontre o texto completo da fonteDenton, Tom. Automated Driving and Driver Assistance Systems. CRC Press LLC, 2019.
Encontre o texto completo da fonteCapítulos de livros sobre o assunto "Véhicules automobiles – Systèmes de communication"
AL AGHA, Khaldoun, Pauline LOYGUE e Guy PUJOLLE. "Les réseaux véhiculaires". In Edge Networking, 137–56. ISTE Group, 2022. http://dx.doi.org/10.51926/iste.9068.ch7.
Texto completo da fonteMENDIBOURE, Léo, Mohamed Aymen CHALOUF e Francine KRIEF. "Vers de nouvelles architectures intelligentes pour l’Internet des véhicules". In Gestion et contrôle intelligents des réseaux, 205–29. ISTE Group, 2020. http://dx.doi.org/10.51926/iste.9008.ch8.
Texto completo da fonte