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In this paper, an on-board integrated battery charger based on central-tapped winding switched reluctance motor of electric vehicle is presented. All the components used for driving mode are employed in the charging process, and there is no need for hardware reconfiguration between charging and driving modes of operation. The solution can be connected directly to single-phase grid to perform charging...
A novel on-board battery charger for electric vehicle (EV) application based on open-winding permanent magnet synchronous machine is presented in this paper. The innovative charger reutilizes the currently existing components of EV drivetrain system, which has the net effect of saving cost, volume and weight. The topology integrates the conventional common dc-link converter with the windings of the...
This paper describes a new implementation of the Elastic Multicast (EM) protocol including new design enhancements for improved dynamic operation. The paper also presents additional performance data collected from emulation-based mobile network experiments. EM is a low complexity extension to Simplified Multicast Forwarding (SMF) that adds group-specific dynamic pruning of the SMF-based multicast...
Smart transportation is one of the essential components of smart cities that involves sensing traffic and pedestrians. Wireless Sensor Networks (WSN) have extensively been utilized over the years for sensing and data transfer in diverse structural deployments including mesh, ad hoc and hierarchical layouts. Several applications of WSN may involve placing the nodes in a linear topology, constituting...
Based on the analysis of low voltage power line carrier network topology and the characteristics of the communication channel, the concept of splitting the data bus is proposed in streetlight monitoring system. The secondary network bus strategy is adopted to solve the problem of signal relay in the control of streetlights. Because the network topology of the streetlamp control system is a complex...
Network lifetime is of great importance in WBANs that significantly influences the network performance and user experience. Among all the solutions to extend the network lifetime, relay mechanism plays a crucial role. However, previous works only concentrate on energy efficiency of sensor nodes regardless of energy storage diversity among sensor nodes, which may severely limit the performance of enhancing...
Distributed formation control of Unmanned Aerial Vehicle (UAV) in three-dimensional space is discussed in this paper. In order to achieve a faster consensus seeking, a consensus-based cooperative formation control strategy with the tow-hop relay protocol is proposed. UAV's nonlinear kinetic model is transformed into linear model by feedback linearization and the original control inputs are also transformed...
The goal of this paper is two-fold. First, to expand an opportunistic network coding protocol for wireless networks, called PlayNCool, in order to incorporate new mechanisms to improve performance in the presence of packet losses. In particular, exploiting additional helper nodes to improve the quality of each link and even across neighbouring links and using simulations to show that an additional...
Wireless Sensor Networks are used widely for remote environmental monitoring, target tracking or for recording weather conditions change applied at diverse applications. They have become integral part of our lives, by giving reliable data gathering and even that the sensor node is small, lightweight and portable. As the power for each sensor node is supplied from a battery, the lifetime and residual...
Broadcast is a fundamental operation in Mobile Ad-Hoc Networks (MANETs). A large variety of broadcast algorithms have been proposed. They differ in the way message forwarding between nodes is controlled, and in the level of information about the topology that this control requires. Deployment scenarios for MANETs vary widely, in particular in terms of nodes density and mobility. The choice of an algorithm...
In order to study the topology of the Earth-Mars relaying network with the Sun-Earth Lagrange points L4 and L5 used as the relaying nodes, 0–1 programming model on one-hop link and two-hop links was set up, the maximum throughput as the objective function, and total minimum throughput and accumulated connection time of each day as the constraint condition. A network topology is designed for one Earth-Mars...
Scale-free can be seemed as one of the most impacting discoveries in complex networks theory and has already been successfully proved to be highly effective in constructing error-tolerant topology structures of wireless sensor networks (WSNs). As in scale-free WSNs, a few key nodes possess most connections, requiring them to take excessive message-relay tasks. Due to this reason, the energy of these...
For the problem of communication support for the aircraft formation mission, the network connectivity is ensured by the way of adding relay nodes. A relay route planning method of airborne ad hoc network is presented. By the spanning tree selection strategy based on connected component and the relay vector connection strategy based on subsequent vector in-degree, the method gets the smallest number...
Wireless sensor networks (WSNs) serving in hostile environments are susceptible to multiple collocated failures due to explosives and natural calamities such as avalanches, landslides, etc., which can partition the network into disjoint segments. In such a scenario, federating the segments becomes essential for reestablishing communication among segments and resuming the WSN operation. Placing relays...
Many studies indicate the importance of distributed generation (DG) as one of the best alternatives to conventional energy sources. The growth in population is causing a significant increase in electricity demand all over the world, which creating a considerable need for further investment in the electric network infrastructure. However, integration of new renewable energy source in the distribution...
Nowadays integration of Distributed Generation (DG) into the Distribution Network (DN) become a common practice for its advantages over the conventional sources in the environmental and economical influence. Despite DG's benefits, up growth in DG numbers and the diversity in the technology used, arise problems including power quality, voltage profile, network stability, and protection coordination,...
Mobile ad hoc networks (MANETs) are continuously self-organizing, infrastructure-less consisting of collection of mobile nodes that communicate with each other without the use of centralized authority. MANETs are perfect for positions where a fixed structure is infeasible. Today's MANETs, suffer from network partitioning. This restriction makes MANETs in appropriate for applications such as crisis...
Numerous applications of Wireless Sensor Network (WSN) requires a location map of sensor nodes for smart interaction, to ease the manual servicing of nodes etc. To create a location map, the primary task involves finding the locations of sensor nodes with an assumed reference origin (localization). This study proposes a mobile phone (commercial off-the-shelf mobile hardware) based acoustic localization...
With the explosive growth of mobile traffic demand, device-to-device (D2D) communication offers a promising approach to reduce cellular congestion by offloading users' traffic to D2D network. In this paper, we consider a relay- assisted D2D communication in underlay cellular networks, where D2D users access a proportion of the spectrum occupied by cellular users. This poses two fundamental issues...
In applications of Wireless Sensor Networks (WSNs), all data packets are directed towards a single base-station (BS) over multi-hop routes. The BS is usually responsible for processing the collected data and interfacing the WSN to remote users. The continuous flow of packets towards the BS enables the adversary to analyze the traffic and uncover the BS position. In this paper, we present a technique...
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