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Methods and system for predicting travel time

A technology of travel time and time, which is applied in the traffic control system of road vehicles, traffic control system, traffic flow detection, etc., and can solve the problem of underestimating the characteristics of time evolution

Active Publication Date: 2012-07-11
ALCATEL LUCENT SAS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, it should be noted that this method has been used to predict traffic volumes at junctions, and it is difficult to convert traffic volume forecasts into travel time forecasts between two points
[0006] Furthermore, it has been observed that this method significantly underestimates the characteristics of travel time evolution in urban road networks

Method used

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  • Methods and system for predicting travel time
  • Methods and system for predicting travel time
  • Methods and system for predicting travel time

Examples

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Embodiment Construction

[0016] Embodiments herein and details of their various features and advantages are described more fully with reference to non-limiting embodiments illustrated in the drawings and detailed in the following description. Descriptions of well-known components and processing techniques are omitted so as not to unnecessarily obscure the embodiments herein. The examples used herein are merely to facilitate an understanding of the manner in which the embodiments herein may be practiced, and to further enable those skilled in the art to practice the embodiments herein. Thus, the examples should not be construed as limiting the scope of the embodiments herein.

[0017] Embodiments herein provide a way to predict, at the present time, the time required to travel between multiple locations at future points in time. Referring now to the drawings, and more particularly to Figures 1 to 5 , wherein like numerals indicate corresponding features consistently in the drawings shown in the exam...

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Abstract

A method and system is provided for predicting at a current time "t", a time that may be taken to travel between plurality of locations, at a future time-point "t + [tau]". The method includes determining deterministic component "[mu]t + [tau]" and predicting random fluctuation component "y1t + [tau] ", of the time that may be taken to travel between the plurality of locations at the future time-point "t + [tau]". The deterministic component "[mu]t + [tau]" and the random fluctuation component "y1t + [tau]" are added to predict the time that may be taken to travel between the plurality of locations, at the future time-point "t + [tau] "

Description

technical field [0001] The present invention relates to the art of road traffic management, and more particularly, but not exclusively, to predicting the time required to travel at a future point in time. Background technique [0002] Traffic management is one of the major areas affecting the economy of a country and effective traffic management is desired. One aspect of traffic management addresses establishing adequate transportation facilities for ensuring reasonable transfer durations. Yet another aspect of traffic management addresses providing services that enable users of transportation facilities to plan their commutes thereby. One such service involves predicting travel times between locations at future points in time. [0003] Attempts have been made to predict the time required to travel between multiple locations at future points in time. In one existing approach, support vector regression (SVR), an analysis technique that forecasts time series, is applied to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G08G1/01
CPCG08G1/0104G08G1/01
Inventor A·查特吉S·达塔S·德博V·斯里尼瓦桑
Owner ALCATEL LUCENT SAS
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