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Wireless sensor networks based road traffic monitoring system

Author: LiuChong
Tutor: LiuXiaoYing
School: Huazhong University of Science and Technology
Course: Optical Engineering
Keywords: Intelligent Transportation Wireless sensor networks Road traffic monitoring system HMC1021
CLC: TP274
Type: Master's thesis
Year: 2011
Downloads: 60
Quote: 0
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Abstract


As living standards improve, more and more people will car as a means of transport . Ensuing traffic congestion, confusion , accidents are frequent. But through studies found that these adverse conditions can be avoided. Because at a certain time of a road vehicle segment often \and analyzed , and then promptly report the results on the road to being appropriate vehicles and drivers to make it timely to make the right judgments, to determine their own vehicles driving route . This article is the application of the above background, the design of a road traffic conditions monitoring system . The system uses wireless sensor network technology platform , to achieve the following functions: each sensor single node on road conditions and vehicle-related data collection ; various inter-node data fusion and optimization ; data uploaded to the background monitoring computer ; background data processing and optimization The results displayed graphically . This paper discusses the various nodes in wireless sensor network design and its underlying hardware driver preparation, mainly in the magnetoresistive sensor hardware HMC1021 sensor chip based on the use of cars on the Earth's magnetic field disturbance on the output voltage changes to detect vehicles driving conditions ; considers each node in the node system between \to simple judgment road icing conditions and skid resistance . As can be seen , this real-time traffic monitoring system for road traffic rational allocation of resources to provide a data source for the optimal use of limited road resources , to reduce road congestion and related traffic accidents and other conditions , or the saving of time and ensure that vehicle drivers and personal and property safety of passengers has great value in use .

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CLC: > Industrial Technology > Automation technology,computer technology > Automation technology and equipment > Automation systems > Data processing, data processing system
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