JP2002162478A - Road meteorology detection method and detection system - Google Patents

Road meteorology detection method and detection system

Info

Publication number
JP2002162478A
JP2002162478A JP2000359288A JP2000359288A JP2002162478A JP 2002162478 A JP2002162478 A JP 2002162478A JP 2000359288 A JP2000359288 A JP 2000359288A JP 2000359288 A JP2000359288 A JP 2000359288A JP 2002162478 A JP2002162478 A JP 2002162478A
Authority
JP
Japan
Prior art keywords
weather
road
detection
meteorological
wide
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2000359288A
Other languages
Japanese (ja)
Inventor
Hiroaki Kitagawa
博朗 北川
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
National Institute for Land and Infrastructure Management
Original Assignee
National Institute for Land and Infrastructure Management
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by National Institute for Land and Infrastructure Management filed Critical National Institute for Land and Infrastructure Management
Priority to JP2000359288A priority Critical patent/JP2002162478A/en
Publication of JP2002162478A publication Critical patent/JP2002162478A/en
Pending legal-status Critical Current

Links

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A90/00Technologies having an indirect contribution to adaptation to climate change
    • Y02A90/10Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation

Abstract

PROBLEM TO BE SOLVED: To provide a road meteorology detection method and a detection system, capable of detecting continuously meteorological quantities along a road. SOLUTION: This method is characterized by installing meteorological sensors 5 on many spots along the road, binding interpolation faces relative to each meteorological quantity, by using the meteorological quantities, measured by the meteorological sensors and wide-area meteorological data around the road, and continuously estimating the meteorological quantities on the road from the interpolation faces.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】この発明は、道路環境におけ
る風速、降雨量、降雪量、気温、日射量などの気象量を
検出するための道路気象検出方法及び検出システムに関
するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a road weather detecting method and a detecting system for detecting weather such as wind speed, rainfall, snowfall, temperature, and solar radiation in a road environment.

【0002】[0002]

【従来の技術】これまで実績のある、従来の道路環境気
象観測システムを図5に示す。本システムは、一般的な
気象観測装置を道路上の代表個所に設置し、道路環境の
気象量として計測するものである。気象観測装置は、具
体的には気温計1、風向風速計2、雨雪量計3などのセ
ンサと、制御装置4で構成されている。この気象観測装
置は、例えば風速計の場合には、峠頂上付近、渓谷上に
ある橋などのように、予め気象量が変化して事故や渋滞
など交通に支障をきたすと予想される場所に設置され、
通常20km〜50km毎に設置している。これらの観測装置の
計測結果は、通信回線を利用して、中央管理センターへ
伝送されて、道路管理者やドライバーへ各種道路情報と
して、提供される。
2. Description of the Related Art FIG. 5 shows a conventional road environmental meteorological observation system which has been used so far. In this system, a general weather observation device is installed at a representative point on a road, and measures the weather amount of the road environment. The meteorological observation device is specifically composed of sensors such as a thermometer 1, an anemometer 2 and a rain / snow gauge 3, and a control device 4. For example, in the case of an anemometer, this meteorological observation device is used in places where it is expected that the weather will change in advance and cause troubles such as accidents and traffic jams, such as near the top of a pass or a bridge above a valley. Installed,
Usually installed every 20 to 50 km. The measurement results of these observation devices are transmitted to a central management center using a communication line and provided to road managers and drivers as various road information.

【0003】従来の計測システムにおいて、気象観測装
置を設置している場所では、道路環境の気象量を検出で
きるが、気象観測装置の非設置場所では、気象量を把握
できないため、道路管理者およびドライバーから、非設
置場所においても、道路気象を連続的に提供して欲しい
というニーズがあった。すなわち、これまでにも道路気
象観測装置を用いた気象情報提供システムがあったが、
この情報は検出範囲が約20km〜50kmと広いため、例えば
道路管理者が除雪作業を効率的に実施すめためには、最
も積雪量が多い場所に多数の除雪車を配置したり、ま
た、ドライバーが安全に走行するためには、凍結状態の
場所を特定して、比較的短距離範囲で走行状態(速度、
車間距離)を変えることなどの運用ができないことが問
題点としてあった。さらに、AHS(Automated Highwa
y Systems:道路側に設けた種々の支援システムと各種
車載装置を用いて自動運転可能とする走行支援道路シス
テムのこと)を実現する場合においても車両の安全走行
を実現するため、走行道路に沿って連続して、乾燥、湿
潤・水膜、積雪、凍結などの路面状態、さらには路面滑
りまさつ係数が必要となるが、従来のシステムでは、こ
れを実現することは不可能であった。
In a conventional measurement system, the weather amount of the road environment can be detected in a place where the weather observation device is installed, but the weather amount cannot be grasped in a place where the weather observation device is not installed. There was a need from drivers to provide road weather continuously even in non-installed locations. That is, there has been a weather information providing system using a road weather observation device so far,
This information has a wide detection range of about 20 km to 50 km. In order for a vehicle to travel safely, it must identify the location of the frozen state and travel over a relatively short range (speed,
There was a problem that operations such as changing the distance between vehicles could not be performed. In addition, AHS (Automated Highwa
y Systems: A driving support road system that enables automatic driving using various support systems and various in-vehicle devices provided on the road side). Road conditions such as dryness, wet / water film, snow cover, freezing, etc., and a road surface slippage coefficient are required continuously. However, this cannot be realized by the conventional system.

【0004】[0004]

【発明が解決しようとする課題】そこでこの発明は、前
記のような従来の問題点を解決し、道路に沿った気象量
を連続的に検出できる道路気象検出方法及び検出システ
ムを提供することを目的とする。
SUMMARY OF THE INVENTION Accordingly, the present invention has been made to solve the above-mentioned conventional problems and to provide a road weather detection method and a detection system capable of continuously detecting a weather amount along a road. Aim.

【0005】[0005]

【課題を解決するための手段】前記目的を達成するた
め、請求項1の発明は、道路に沿って多数地点に気象セ
ンサを設置し、該気象センサで計測した気象量と、該道
路周辺の広域気象データを用いて、各気象量に対する補
間面を求め、該補間面から道路上の気象量を連続して推
定することを特徴とする道路気象検出方法である。これ
により、道路気象を安価に、かつ精度よく、連続的に検
出できるものである。
In order to achieve the above object, according to the first aspect of the present invention, weather sensors are installed at a number of points along a road, and a weather amount measured by the weather sensors and a weather amount around the road are measured. This is a road weather detection method characterized by obtaining an interpolation plane for each weather quantity using wide area weather data and continuously estimating the weather quantity on the road from the interpolation plane. As a result, road weather can be continuously detected at low cost and with high accuracy.

【0006】請求項2の発明は、道路に沿って多数地点
に設置された気象センサと、該道路周辺の広域気象量を
受信する広域気象データ受信装置と、この広域気象デー
タ受信装置からの受信データと気象センサからの計測デ
ータを取り込み補間計算を行うデータ処理装置とを具え
たことを特徴とする道路気象検出システムである。
According to a second aspect of the present invention, there are provided weather sensors installed at a number of points along a road, a wide-area weather data receiving apparatus for receiving a wide-area weather amount around the road, and reception from the wide-area weather data receiving apparatus. A road weather detection system comprising a data processing device that takes in data and measurement data from a weather sensor and performs interpolation calculation.

【0007】[0007]

【発明の実施の形態】この発明の一実施の形態を図面を
参照して説明する。図1は道路気象検出システムの全体
構成図である。本システムは、気温計、風向風速計、雨
雪量計などの各種気象センサ5、この気象センサで計測
したデータを中央監視所まで伝送するための伝送装置
6、前記中央監視所に設置されるデータ処理装置7およ
び広域気象データ受信装置8で構成されている。本シス
テムでは、気象センサ5は長距離の道路に沿って並置さ
れる。並置される間隔としては、道路気象が変化する長
さに対応した距離であり、例えば気温計の場合には約2
〜4km間隔に配置されている。
An embodiment of the present invention will be described with reference to the drawings. FIG. 1 is an overall configuration diagram of the road weather detection system. The present system is provided with various weather sensors 5 such as a thermometer, a wind direction and anemometer, and a rain / snow gauge, a transmission device 6 for transmitting data measured by the weather sensors to a central monitoring station, and installed in the central monitoring station. It comprises a data processing device 7 and a wide area weather data receiving device 8. In this system, the weather sensors 5 are juxtaposed along a long-distance road. The juxtaposed interval is a distance corresponding to the length at which the road weather changes.
They are arranged at intervals of up to 4 km.

【0008】これらの受信データおよび計測データは、
中央監視所の中のデータ処理装置7に取り込まれ、必要
に応じて補間計算が行われる。この計算の具体例を以下
に示す。すなわち、例えば前例の図2上の各場所(仮に
緯度をX、経度をYとおく)において、計測された気温
(仮にZとおく)の分布は、連続的に滑らかに変化して
いるものと仮定でき、これを空間(3次元)的に表示す
ると、滑らかな曲面として表示できる。
[0008] These received data and measured data are:
The data is taken into the data processing device 7 in the central monitoring station, and interpolation calculation is performed as needed. A specific example of this calculation is shown below. That is, for example, the distribution of the measured temperature (temporarily set to Z) at each location on FIG. 2 (temporarily sets the latitude to X and the longitude to Y) in FIG. It can be assumed, and if this is displayed spatially (three-dimensionally), it can be displayed as a smooth curved surface.

【0009】一般に、X−Y平面上に不規則に並ぶ点に
与えられたZを滑らかな面で結ぶ5次の多項式関数は下
記の式のように表わすことができる。
In general, a fifth-order polynomial function that connects Z given to points arranged irregularly on an XY plane on a smooth surface can be expressed as follows.

【0010】[0010]

【数1】 各種広域気象データおよび気象センサ計測値から、上記
の近似曲面式の変数を決定することにより、補間曲面が
求められる。
(Equation 1) The interpolation surface is obtained by determining the variables of the above-mentioned approximate surface expression from the various wide-area weather data and the weather sensor measurement values.

【0011】図3に本補間曲面を求めた例を示す。本例
では、ある日時の気温分布の例であるが、空間的に滑ら
かに結ばれた曲面となっている。この結果をもとに、気
象センサ5を設置していない道路の場所において、位置
情報(緯度X、経度Y)を求めた補間曲面式に代入すれ
ば、気象量が求められる。
FIG. 3 shows an example in which a main interpolation surface is obtained. This example is an example of a temperature distribution at a certain date and time, but has a curved surface that is smoothly connected spatially. Based on this result, at a place on the road where the weather sensor 5 is not installed, the weather quantity is obtained by substituting the position information (latitude X, longitude Y) into the obtained interpolated surface equation.

【0012】この結果を示したものを図4に示す。図4
は、広域気象データと道路近傍に約4km間隔で設置した
気象センサ5の計測値を用いて、補間した結果である
が、気象センサ5を設置していない場所においても、精
度よく気温が検出されていることがわかる。
FIG. 4 shows the result. FIG.
Is the result of interpolation using the wide area weather data and the measurement values of the weather sensors 5 installed at intervals of about 4 km near the road. The temperature is accurately detected even in places where the weather sensors 5 are not installed. You can see that it is.

【0013】なお、本実施の形態では気象量のうちの気
温について示したものであるが、この方法を用いれば、
同様に降雨・降雪量も求められる。また、風速について
は、周囲環境の影響により、若干補間値に誤差が生ずる
可能性があるが、周囲遮蔽物の影響による補正処理を追
加することにより、正確に再現できる。
In this embodiment, the temperature is shown in the weather quantity.
Similarly, the amount of rainfall and snowfall is determined. The wind speed may have some error in the interpolated value due to the influence of the surrounding environment, but can be accurately reproduced by adding a correction process due to the influence of the surrounding shield.

【0014】[0014]

【発明の効果】請求項1,2の発明は前記のように構成
したので、以下の効果が期待できる。 道路近傍に設置する気象センサの設置間隔を大きく
しながら、道路気象を連続的に、高精度に検出すること
ができる。 上記を比較的安価なシステムとして構築できる。 広域気象データとして、予測情報を取り入れること
により、数時間先の降水・降雪などの予想情報を上記し
たものと同様に、道路に沿ったものとして入手できる。 本情報をもとにして、例えば必要な場所に最適な数
の除雪車を配置するなどの道路管理の効率を上げること
ができる。 本情報をもとにして、例えばドライバーに対して、
凍結個所をより詳細に提供できるので、安全性が増す。
According to the first and second aspects of the present invention, the following effects can be expected. Road weather can be detected continuously and with high accuracy while increasing the installation interval of weather sensors installed near the road. The above can be constructed as a relatively inexpensive system. By incorporating prediction information as wide-area weather data, prediction information such as precipitation and snowfall a few hours ahead can be obtained as along the road in the same manner as described above. Based on this information, it is possible to increase the efficiency of road management such as arranging an optimal number of snow plows in necessary places. Based on this information, for example, for the driver,
Freezing points can be provided in more detail, increasing safety.

【図面の簡単な説明】[Brief description of the drawings]

【図1】この発明の一実施の形態を示す道路気象検出シ
ステムの全体構成図である。
FIG. 1 is an overall configuration diagram of a road weather detection system according to an embodiment of the present invention.

【図2】広域気象観測データの例を示す図面である。FIG. 2 is a diagram showing an example of wide-area meteorological observation data.

【図3】気象量の補間結果(1)(気温の例)を示す図
面である。
FIG. 3 is a drawing showing an interpolation result (1) (an example of air temperature) of a weather quantity.

【図4】気象量の補間結果(2)(気温の例)を示す図
面である。
FIG. 4 is a drawing showing an interpolation result (2) (an example of air temperature) of a weather quantity.

【図5】従来の道路環境気象観測システムを示す図面で
ある。
FIG. 5 is a drawing showing a conventional road environment weather observation system.

【符号の説明】[Explanation of symbols]

5 気象センサ 6 伝送装置 7 データ処理装置 8 広域気象データ受信装置 Reference Signs List 5 weather sensor 6 transmission device 7 data processing device 8 wide area weather data receiving device

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】 道路に沿って多数地点に気象センサを設
置し、該気象センサで計測した気象量と、該道路周辺の
広域気象データを用いて、各気象量に対する補間面を求
め、該補間面から道路上の気象量を連続して推定するこ
とを特徴とする道路気象検出方法。
1. A weather sensor is installed at many points along a road, and an interpolation plane for each weather amount is obtained by using weather amounts measured by the weather sensors and wide-area weather data around the road. A road weather detection method characterized by continuously estimating a weather amount on a road from a surface.
【請求項2】 道路に沿って多数地点に設置された気象
センサと、該道路周辺の広域気象量を受信する広域気象
データ受信装置と、この広域気象データ受信装置からの
受信データと前記気象センサからの計測データを取り込
み補間計算を行うデータ処理装置とを具えたことを特徴
とする道路気象検出システム。
2. A weather sensor installed at a number of points along a road, a wide-area weather data receiving device for receiving a wide-area weather amount around the road, data received from the wide-area weather data receiving device, and the weather sensor. And a data processing device for taking in measurement data from the vehicle and performing interpolation calculation.
JP2000359288A 2000-11-27 2000-11-27 Road meteorology detection method and detection system Pending JP2002162478A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2000359288A JP2002162478A (en) 2000-11-27 2000-11-27 Road meteorology detection method and detection system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000359288A JP2002162478A (en) 2000-11-27 2000-11-27 Road meteorology detection method and detection system

Publications (1)

Publication Number Publication Date
JP2002162478A true JP2002162478A (en) 2002-06-07

Family

ID=18831071

Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
JP (1) JP2002162478A (en)

Cited By (5)

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JP2014056582A (en) * 2005-01-14 2014-03-27 Weatherbank Inc Interactive advisory system
US8909679B2 (en) 2000-07-24 2014-12-09 Locator Ip, Lp Interactive advisory system
US9094798B2 (en) 2006-01-19 2015-07-28 Locator IP, L.P. Interactive advisory system
US10021514B2 (en) 2007-02-23 2018-07-10 Locator IP, L.P. Interactive advisory system for prioritizing content
KR102099652B1 (en) * 2019-04-02 2020-05-26 부경대학교 산학협력단 A method for restoring temperature of an unobserved rail

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US10021525B2 (en) 2000-07-24 2018-07-10 Locator IP, L.P. Interactive weather advisory system
US8909679B2 (en) 2000-07-24 2014-12-09 Locator Ip, Lp Interactive advisory system
US11108582B2 (en) 2000-07-24 2021-08-31 Locator IP, L.P. Interactive weather advisory system
US9191776B2 (en) 2000-07-24 2015-11-17 Locator Ip, Lp Interactive advisory system
US9197990B2 (en) 2000-07-24 2015-11-24 Locator Ip, Lp Interactive advisory system
US9204252B2 (en) 2000-07-24 2015-12-01 Locator IP, L.P. Interactive advisory system
US10411908B2 (en) 2000-07-24 2019-09-10 Locator IP, L.P. Interactive advisory system
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US9560480B2 (en) 2000-07-24 2017-01-31 Locator Ip, Lp Interactive advisory system
US9998295B2 (en) 2000-07-24 2018-06-12 Locator IP, L.P. Interactive advisory system
JP2016026358A (en) * 2005-01-14 2016-02-12 ウェザーバンク,インコーポレイテッド Interactive advisory system
JP2018026154A (en) * 2005-01-14 2018-02-15 ウェザーバンク,インコーポレイテッド Interactive advisory system
JP2014056582A (en) * 2005-01-14 2014-03-27 Weatherbank Inc Interactive advisory system
US11150378B2 (en) 2005-01-14 2021-10-19 Locator IP, L.P. Method of outputting weather/environmental information from weather/environmental sensors
US10362435B2 (en) 2006-01-19 2019-07-23 Locator IP, L.P. Interactive advisory system
US9215554B2 (en) 2006-01-19 2015-12-15 Locator IP, L.P. Interactive advisory system
US9094798B2 (en) 2006-01-19 2015-07-28 Locator IP, L.P. Interactive advisory system
US10616708B2 (en) 2007-02-23 2020-04-07 Locator Ip, Lp Interactive advisory system for prioritizing content
US10021514B2 (en) 2007-02-23 2018-07-10 Locator IP, L.P. Interactive advisory system for prioritizing content
KR102099652B1 (en) * 2019-04-02 2020-05-26 부경대학교 산학협력단 A method for restoring temperature of an unobserved rail

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