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This paper provides an overview of the COMPASS4D project, which aims to deploy cooperative mobility systems in seven European cities. More than 445 vehicles with 807 users and 147 intersections will be equipped. After an one-year full-scale pilot the aim of the pilot sites is to remain operational also after the end of the project. The cooperative services and the system architecture are described...
In this paper we propose a new theoretical — yet applicable — framework to model the vehicular traffic. We model a vehicle as an automaton that has its own propulsion and can see the state of other automata in a constant size neighborhood. The rules guiding the change of states of each vehicle comprises of the common traffic rules. By observing the dynamics of such automata, we can devise optimal...
Sharing information between traffic participants can improve traffic flow and safety. Currently, communication is mainly done via vehicle lighting such as brake lamps or turn signals. For enhanced information exchange, we propose using the exterior of vehicles as pervasive displays to present information that may be relevant to other traffic participants. The compilation of potential applications...
Road safety is one of the most important applications of vehicular networks. However, improving pedestrian safety via vehicle-to-pedestrian (V2P) wireless communication has not been extensively addressed. In this paper, our vision is to propose a method which enables development of V2P road safety applications via wireless communication and only utilizing the existing infrastructure and devices. As...
This paper deals with measurement and modeling of conducted and radiated emissions (CE and RE) of high-speed trains in the low-frequency range 9–150 kHz, which are mainly generated by power-electronic converters. Firstly, an experimental procedure and a post-processing method, based on the median filter, is proposed to improve procedures foreseen in current Standard IEC 62236-2. Specifically, magnetic-field...
This paper presents a smart and cost effective EV (Electric Vehicle) charging methodology for residential dwellings which have renewable energy sources. The proposed method has many benefits, including reducing peak pressure on the grid, delivering cost savings to the consumer, as well as reducing battery degradation and preventing overcharge, increasing battery lifetime. The performance of the algorithm...
This paper investigates the significance of thermal management energy consumption on the range of electric vehicles. It is necessary to combine consumption models of powertrain components such as the electric machine, power electronics and high voltage battery that take into account trip-based information containing a predicted speed profile and elevation data with a thermal management system that...
This paper presents a novel vehicle to vehicle energy exchange market (V2VEE) between electric vehicles (EVs) for decreasing the energy cost to be paid by some users whose EVs must be recharged during the day to fulfil their daily scheduled trips and also reducing the impact of charging on the electric grid. EVs with excess of energy in their batteries can transfer this energy among other EVs which...
Electric Vehicle market penetration is expected to increase in the next years. Transport electrification will affect both the road transport and the electric power network. The Electric Vehicle (EV) is the link between these two systems, and their interdependencies are important. The main aim of the paper is to present a system that simulates Electric Vehicles in both networks. Algorithms were developed,...
The availability of publicly accessible charging stations in urban areas can foster the widespread adoption of Electric Vehicles (EVs). However, the introduction of public charging infrastructures will put an additional strain on the power grid due to the possible occurrence of peak demands. This study is a first attempt to quantitatively assess the potential benefits of introducing in a public charging...
Roadside workers and emergency responders, such as police and emergency medical technicians, are at significant risk of being struck by vehicular traffic while performing their duties. While recent work has examined active and passive systems to reduce pedestrian collisions, current approaches require line of sight using either laser, infrared, or vision based systems. We address this problem by developing...
Vehicular ad hoc networks (VANETs) support safety applications to prevent car accidents. Beacons are periodically broadcasted for various safety applications but very sensitive to collision and delay. In this paper, we propose a new transmission scheme, called Bi-Beacon, which transmits two levels of power to reduce collision and maintain maximum transmission range. High collision problem still remains...
The IEEE 802.11p is an emerging wireless protocol dedicated for Wireless Access in the Vehicular Environment (WAVE). It employs the Enhanced Distributed Channel Access (EDCA) mechanism to access the channel. Its objective is to provide differentiated services to vehicular networks which are delay-sensitive and requires high communication throughput. In this paper, we carry out comprehensive performance...
Vehicular communications can be used for enhancing the safety level of drivers and pedestrians by exchanging safety/warning messages for both sides. In this paper, we propose pedestrian-to-vehicular (P2V) communication systems which provide safety service especially for vulnerable users. We focus on the proposed system at the unsigned single road and intersection area. Then, requirements for the overall...
In this paper, we study the global traffic density and emergent traffic behavior of several hundreds of intelligent vehicles, as a function of V2V communication (for the ego vehicle to perceive traffic) and path-finding heuristics (for the ego vehicle to reach its destination), in urban environments. Ideal/realistic/no V2V communication modes are crossed with straight-line/towards-most-crowded/towards-least-crowded...
The features of information dissemination in vehicular networks make it necessary to introduce Information-Centric Networking (ICN) technique to vehicular networks. However, some design principles of ICN must be implemented and extended in order to realize efficient data dissemination in vehicular networks. This paper proposes an approach for realizing ICN-based data dissemination in vehicular networks...
As a vehicle proceeds on urban road that includes possible street players such as pedestrian, vehicles, traffic signs, traffic lights, or crosswalks, we can mention about holistic risk caused by dynamic behavior of each items moving along stochastic directions. In the numerous studies, traditional risk estimation methods have been devoted to utilize traffic agents, which have not resulted in effective...
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