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For a more accurate calculation vehicle pre-braking speed by the regression analysis data of vehicle braking speed, comparing and analyzing with LS estimation algorithm, instrumental variable estimation algorithm, generalized least squares estimation algorithm and Cor-LS algorithm, LS estimation algorithms is used to study on parameter estimation of the vehicle braking model, introducing multiple...
Road accident hotspots Identification is important in road safety improvement project, especially in aspect of effective funds allotment. This paper presents a simple methodology called dynamic step filtration method to study the spatial patterns of accidents in a highway or a highway network. The dynamic step filtration analysis is improved from average and steady step filtration method, basing on...
As there still exists a gap in the design of the rumble strips, the author in this paper takes Tiema heavy-duty lorry as the typical vehicle and uses the simulation model established by ADAMS (automatic dynamic analysis of mechanical system) dynamic simulation software to analyze the changing laws in the mean square root of the rumbling acceleration with the three designing factors on the basis of...
In an embedded system, the hardware resources are limited. In order to obtain such traffic information as traffic volume and vehicle speed in an embedded system, a series of efficient video processing algorithms and optimization techniques are proposed. The key algorithm to detect vehicles is the background subtraction method, in which the approximated median filter is applied to obtain the simulated...
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