Road surface condition prediction system, driving assistance system, road surface condition prediction method, and data distribution method

A road surface state and prediction system technology, applied in the traffic control system of road vehicles, traffic control system, control/regulation system, etc., can solve the problems of insufficient prediction accuracy of moisture state

Active Publication Date: 2019-04-26
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] However, in the prior art described above, the prediction accuracy of the moisture state of the road surface is not sufficient

Method used

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  • Road surface condition prediction system, driving assistance system, road surface condition prediction method, and data distribution method
  • Road surface condition prediction system, driving assistance system, road surface condition prediction method, and data distribution method
  • Road surface condition prediction system, driving assistance system, road surface condition prediction method, and data distribution method

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Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0104] figure 1 It is a schematic diagram showing the outline of the road surface state prediction system 1 according to the first embodiment.

[0105] figure 1 A case where two mobile bodies 1A and 1B are traveling on a road 3 is schematically shown. The road 3 leads to the inside of the tunnel through the bridge 4 and the exit 5 of the tunnel. The mobile body 1A is about to pass through the bridge 4, and the mobile body 1B is coming out of the exit 5 of the tunnel.

[0106] The mobile bodies 1A and 1B are, specifically, vehicles such as four-wheeled vehicles and two-wheeled vehicles, and travel on the road 3 . Furthermore, at least one of the mobile bodies 1A and 1B may be a flying body called a drone.

[0107] The mobile objects 1A and 1B detect moisture on the road surface of the road 3 while traveling on the road 3 to obtain moisture information related to the moisture on the road surface. The mobile bodies 1A and 1B communicate with the information center 2 wireless...

Embodiment approach 2

[0243] Next, for the road surface state prediction system according to Embodiment 2, use Figure 13 Be explained.

[0244] Figure 13 It is a block diagram showing the configuration of the road surface state prediction system 301 according to this embodiment.

[0245] Such as Figure 13 Shown, the road surface state prediction system 301, and figure 2 Compared with the illustrated road surface state prediction system 1 , the distribution unit 370 is newly provided. Specifically, the information center 2 includes a distribution unit 370 .

[0246] The distribution unit 370 distributes distribution information including the prediction result of the prediction unit 220 . The purpose of distribution is a vehicle in motion, a road manager, a traffic manager, a traffic information operator, a transportation operator, or a postal operator, etc.

[0247] For example, when receiving a distribution request from a distribution destination, the distribution unit 370 distributes dis...

Embodiment approach 3

[0254] Next, for the road surface state prediction system according to Embodiment 3, use Figure 14 Be explained.

[0255] Figure 14 It is a block diagram showing the configuration of the road surface state prediction system 302 according to this embodiment.

[0256] Such as Figure 14 Shown, the road surface state prediction system 302, and Figure 4 Compared with the road surface state prediction system 1b shown, the difference is that a distribution unit 370 , a notification unit 380 , a determination unit 381 , and a search unit 382 are newly provided. and, Figure 14 The illustrated mobile body 1A may also include an environmental information obtaining unit 130 .

[0257] Such as Figure 14 It is shown that in the road surface state prediction system 302, the distribution unit 370 of the information center 2 distributes the distribution information to the plurality of mobile bodies 1C and 1D. The mobile bodies 1C and 1D are mobile bodies that do not have the functio...

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PUM

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Abstract

A road surface condition prediction system (1) is provided with: a collection unit (210) that collects, from each of multiple moving bodies (1A, 1B), moisture information about road surface moisture acquired by detecting moisture on the road surface of a road (3) on which each of the multiple moving bodies (1A, 1B) is traveling and position information indicating the position of the road surface on which the moisture has been detected; and a prediction unit (220) that predicts, on the basis of moisture information acquired by detecting the moisture on the target road surface which is a road surface at a position indicated by at least one of multiple sets of position information collected by the collection unit (210) among multiple sets of moisture information collected by the collection unit (210), the moisture condition on the target road surface at a time following the time when the moisture on the target road surface has been detected.

Description

technical field [0001] The present disclosure relates to a road surface state prediction system, a driving support system, a road surface state prediction method, and a data distribution method for predicting a moisture state of a road surface. Background technique [0002] For example, Patent Document 1 discloses a technique for predicting road surface conditions at points within a predetermined range using road surface prediction judgment values ​​at points within a predetermined range calculated from information on vehicle behavior obtained by in-vehicle sensors. In addition, Patent Document 2 discloses a technique for predicting road surface freezing based on outside air temperature by detecting moisture distribution as a road surface state of a vehicle travel path. Furthermore, Patent Document 3 discloses a technique for predicting whether a lane will be wet, and making a drive decision for an autonomous vehicle based on the prediction result. [0003] (Prior art liter...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60W50/00B60W40/06B60W40/064G01W1/02G01W1/14G08G1/01G08G1/0967
CPCG08G1/0112G08G1/0129G08G1/0141G08G1/096725G08G1/09675G08G1/096775G01W1/02B60W50/0097B60W40/064G01C21/3691G01W1/14B60W40/06B60W2555/20B60W2556/10B60W2050/0075B60W2556/45B60W2552/00B60W2556/50B60W2552/40B60W60/0016B60W2420/54B60W2420/403B60W2420/408
Inventor 楠龟弘一伊藤达男
Owner PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD
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