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Road congestion is a common problem worldwide. Intelligent Transport Systems (ITS) seek to alleviate this problem using technology. But most ITS techniques, currently used in developed countries, are inapplicable in developing regions due to high cost and assumptions of orderly traffic. Efforts in developing regions have been few. In this paper, we seek to develop a low-cost ITS technique to detect...
The innovation in wireless technology is to support in the areas of Intelligent Transport System (ITS). Wireless technology can be used in Vehicle-to-Vehicle and vehicle-to-infrastructure in transport applications. ZigBee is the key protocol for sensor network applications because of the long battery life, low-cost for installation, eases maintenance and small footprint. ZigBee enables mesh networking...
We investigate the problem of adaptive traffic light control using real-time traffic information collected by a wireless sensor network (WSN). Existing studies mainly focused on determining the green light length in a fixed sequence of traffic lights. In this paper, we propose an adaptive traffic light control algorithm that adjusts both the sequence and length of traffic lights in accordance with...
This paper describes applications of sensor technology and ambient intelligence in intermodal transport. Monitoring goods and vehicle status using heterogeneous sensor networks can be seen as the next step in Fleet Management Solutions. In this work, we describe an intelligent ambient system developed in order to monitor multiple aspects related to vehicles and freight in real time, providing tools...
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...
Bus lane enforcement system aims to monitor illegal utilization of bus lane by non-permitted vehicles (violator). However, Road-side system leads to considerable infrastructure cost while bus mounted system has limited surveillance coverage. In this paper, we consider an interesting problem in bus mounted system: how to improve the surveillance coverage of bus mounted system without additional infrastructure...
Based on the experience from two predecessor projects, a novel architecture for the detection of vulnerable road users (VRU) is developed. It combines communication and localization, following the function principles of a secondary radar. Challenges are in the accuracy, the scalability, the bandwidth availability and the limited cost and complexity of the devices. This paper describes the objective...
Present Traffic Light Controllers (TLC) are based on microcontroller and microprocessor. These TLC have limitations because it uses the pre-defined hardware, which is functioning according to the program that does not have the flexibility of modification on real time basis. Due to the fixed time intervals of green, orange and red signals the waiting time is more and car uses more fuel. To make traffic...
The availability of real-time CAN-ECU data and the emerging vehicular networks are critical for advanced vehicle monitoring and control. This paper presents our integrated info-security scheme, real-time hardware/software solutions and their application scenarios. The core is the Integrated Info-Security Circuit Board to communicate with ECUs and sensors inside a vehicle through CAN Bus, LIN Bus,...
Recently, with the development of Intelligent Transport System (ITS), vehicular wireless communication technology has received more and more considerable attention. Many researchers have done a lot of work for developing a new kind of wireless network to build a vehicle to vehicle (V2V) wireless transmission platform, which increases various applications on ITS. In such networks, wireless communication...
Integration of different technologies potentially provides support to wide variety of applications and systems with vastly varying requirements and characteristics. Vehicle tracking system is one of such applications possible by embedding wireless sensor devices on the vehicles. The most of the state-of the-art technology uses GPS (global positioning system) for tracking vehicles which is very expensive...
Deploying wireless sensor networks for detecting and counting vehicles is not a new concept. One disadvantage of most simple wireless sensor for detecting vehicles is wrong interpretation of complex vehicle such as a trailer truck with multiple containers. In this paper, we propose an improvement of a simple wireless sensor network for detecting vehicles developed by Chinrungrueng et al. This system...
Parking is costly and limited in almost every major city in the world. The misparking aggravates the competition of parking slots. Innovative parking systems for meeting near-term parking demand are needed. A probabilistic approach is addressed to model the misparking of the current parking system. To provide an intelligent parking services and to eliminate the misparking, a wireless-based parking...
With the introduction of cameras in production cars, and the wide dissemination of wireless inter-vehicle communication devices in all new vehicles in the foreseeing future, emerging applications of this ldquoomnipresent hardware networkrdquo can be designed. That is the case of the localization process of a particular vehicle, as the result of a broadcasted search warrant from some particular authority...
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...
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 presents a traffic monitoring system implemented through Wireless Sensor Network (WSN) technology within SAFESPOT Project funded by the European Community. The aim of this project is to provide a flexible, robust, low-cost and low-maintenance wireless solution for obtaining traffic-related data that can be used for automatically generating safety warnings at black spots along the road network...
With the advancement of micro-electro-mechanical systems (MEMS) technologies, wireless sensor networks have opened new vistas for a wide range of application domains. These sensor nodes usually comprise small, low-power devices that integrate sensors and actuators with limited on-board processing and wireless communication capabilities. One of the most important applications is target tracking and...
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...
It is essential to improve the performance of incident detection system in order to minimize the effect of incidents. A new method of incident detection was brought forward in this paper based on an in-car terminal which consists of GPS module, GSM module and control module as well as some optional parts such as airbag sensors, CPS module, etc. A driver or vehicle initiating an alarm report would...
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