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The deployment of more sustainable land transportation is a non-debatable global issue. It is generally agreed that Information and Communication Technology (ICT) will play the role of the main enabler to achieve the ambitious objective of improving transportation efficiency, thus reducing pollution, time and resource wastage, and accidents. In this paper we first discuss the general architecture...
We investigate the problem of adaptive traffic light control of multiple intersections using real-time traffic data collected by a wireless sensor network (WSN). Previous studies mainly focused on optimizing the intervals of green lights in fixed sequences of traffic lights and ignored the traffic flow's characteristics and special traffic circumstances. In this paper, we propose an adaptive traffic...
A novel sensor network configuration is introduced for traffic surveillance in Intelligent Transportation Systems. Distributed sensor nodes based on passive acoustic transducers are non intrusively/obtrusively deployed at motorway road-side to provide real-time traffic data collection for dynamic queue/jam detection. The system is capable to provide a complete real-time picture of traffic flow at...
Effective intelligent transportation system depends on the abundance of timely road information. This paper first presents the role of road information by taking dynamic route guidance system as an example; and then explains the necessary of importing wireless sensor networks as road information providers. We illustrate the principle of using magnetic sensors to detect vehicles and how the road information...
A kind of construction plan of remote monitoring system of mine vehicle based on wireless sensor network is proposed in this paper. Monitoring system uses the sensor nodes deployed on the vehicles, to collect pressure, velocity, mileage, oil level value, and data to the ARM (Advanced RISC Machines) -based information processing terminal, and then from the terminal through the WiFi (Wireless Fidelity)...
The Real time locating system (RTLS) determines and tracks the location of assets and people. This paper presents a novel application to estimate the position and velocity of vehicle using wireless sensor network. Two Anchor nodes are used as reader along roadside and total distance between them is known. Whenever a moving vehicle with tag comes in between the common part of the operating range of...
Due to the continuously increasing mobility demand the efficiency of the existing road infrastructure should be improved. Advanced control and management techniques offer promising, cost effective and environmentally friendly solutions to the problem. As traffic and vehicle control/management applications become more advanced they require more and more detailed and accurate real-time observations...
In this paper, we present a spatiotemporal multicast, called a mobicast, protocol for supporting applications which require spatiotemporal coordination in VANETs. The spatiotemporal character of a mobicast is to forward a mobicast message to vehicles located in some geographic zone at time t, where the geographic zone is denoted as zone of relevance (ZOR). Vehicles located in ZOR at the time t must...
The debris flow monitoring has been developed for many years in Taiwan. In the very beginning, the stable monitoring stations were set up for the monitoring mechanism. Then the mobile monitoring vehicles were developed later on in the middle stage of monitoring development. Now the emphasis of monitoring fields is on the application of mobile monitoring. There're 14 stable monitoring stations and...
In view of the complicated traffic condition in the traffic lights monitoring-control system, the current conventional fixed-cycle traffic light control is unable to make full use of lanes. In this paper, a novel simple and economic way used the fuzzy theory to optimize the control of traffic lights for a single intersection is designed and presented based on wireless sensor network. The traffic flow...
Typically, for energy efficiency and scalability purposes, sensor networks have been used in the context of environmental and traffic monitoring applications in which operations at the sensor level are not computationally intensive. But increasingly, sensor network applications require data and compute intensive sensors such video cameras and microphones. In this paper, we describe the design and...
This paper presents the Inter-Module Communication (IMC) protocol, a message-oriented protocol designed and implemented in the Underwater Systems and Technology Laboratory (LSTS) to build interconnected systems of vehicles, sensors and human operators that are able to pursue common goals cooperatively by exchanging real-time information about the environment and updated objectives. IMC abstracts hardware...
In this paper, we have made a comprehensive study about the key technologies including applying wireless sensor networks to the traffic monitoring network, its traffic flow forecast based on gray forecasting model and traffic congestion control. According to the features that wireless sensor networks have no space constraints, flexible distribution, mobile convenience and quick reaction, we present...
This paper proposes a new method for real-time distributed image acquisition through wireless networks of traffic monitoring cameras. The goal is to provide comprehensive image acquisition in the presence of dynamic disturbances, which obstruct the field of view (FOV) of the cameras. The paper presents a collaborative online algorithm, which (upon FOV loss) identifies an optimized set of cameras that...
The ever increasing number of external and internal data available in modern cars can only become beneficial if the data are assessed correctly and presented according to the drivers' needs. This paper presents a well-designed method based on advanced information fusion that assembles and processes data centralized, which has been developed within the framework of the European funded research project...
In this paper, we design and implement AWSC (All Ways Stop Control) service as a safety control system using magnetic sensor network at non-signalized intersections. The designed ASWC system consists of magnetic sensor network to detect vehicle movement and speed, a service station to control display devices and to provide some warning messages to drivers and pedestrians. We show effectiveness of...
Intelligent traffic information service (ITIS) is a typically grid application in ShanghaiGrid to achieve effective traffic management. Several issues and challenges needed to be explored in ITIS, such as resource sharing, middleware communication, traffic control grid, and so on. We implemented a prototype system of ITIS and carried out a field testing in Shanghai city. We show that by utilizing...
This paper introduces a novel concept for automated navigation and control of a mobile platform. It utilizes an ad-hoc mobile wireless sensor network to provide navigational information to the mobile platform embedded control system. The embedded controller is realized with an ARM9 SOC based single board computer, with real time, multi-thread software implementation using a real time Linux operating...
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