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

Road meteorology detection method and detection system

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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
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Prior art keywords
road
meteorological
weather
wide
data
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Pending
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JP2000359288A
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Japanese (ja)
Inventor
Hiroaki Kitagawa
博朗 北川
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Natl Inst For Land & Infrastructure Management Mlit
国土交通省 国土技術政策総合研究所長
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Priority to JP2000359288A priority Critical patent/JP2002162478A/en
Publication of JP2002162478A publication Critical patent/JP2002162478A/en
Application status is Pending legal-status Critical

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    • 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.
    • Y02A90/12Specially adapted for meteorology, e.g. weather forecasting, climate modelling
    • Y02A90/14Real-time meteorological measuring

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 The present invention wind speed in the road environment, rainfall, snowfall, temperature, about road weather detection method and detection system for detecting meteorological quantity such as solar radiation.

【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。 Background of the Invention of the past track record, shows a conventional road environment meteorological observation system is shown in Figure 5. 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。 The system general meteorological observation system installed in a representative position on the road, and measures as weather of the road environment. 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。 Meteorological equipment, temperature meter 1 in particular, anemometer 2, a sensor, such as rain and snow meter 3, and a control unit 4. 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、 The weather observation device, for example, in the case of a wind speed meter, near the hill top, such as a bridge that is on the valley, to the location in advance weather the amount is expected to interfere with traffic, such as to accidents and traffic jams change is installed,
通常20km〜50km毎に設置している。 It is installed in every normal 20km~50km. 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。 Measurement results of these observations devices utilize a communication line, are transmitted to the central management center, as various road information to road manager and drivers are provided.

【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。 In a conventional measurement system, the place where a weather stations, can be detected weather of the road environment, the non-location of weather stations, can not grasp the meteorological quantity, road administrators and from the driver, even in the non-installation location, there is a need on the road weather I want to offer continuously. 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、 That is, there was a weather information providing system using road weather stations in the past,
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、 Therefore information detection range is wide and about 20Km~50km, for example a road administrator removing snow for efficient implementation uninhabitable is or arrange a plurality of plow to place most snow accumulation is large, also, the driver in order to safely travel is to identify the location of the frozen state, the running state (speed at a relatively short distance range,
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。 Can not operate, such as changing the vehicle-to-vehicle distance) there was a problem. さらに、AHS(Automated Highwa In addition, 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。 y Systems: for also realizing safe running of the vehicle in the case of using a variety of support systems and various in-vehicle device provided on the road side to realize) the Cruise-Assist Highway System to automatically be operated, along the traveling road continuously Te, dried, wet-water film, snow, road conditions, such as freezing, although more is required road coefficient of sliding friction, in conventional systems, it has not been possible to achieve this.

【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。 [0005] Therefore the present invention is to provide the road weather detection method and detection system persists the conventional problems, it can be continuously detected weather amount along the road as for the purpose.

【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。 To achieve the above object, according to an aspect of, the invention of claim 1, weather sensors installed in multiple locations along a road, and meteorological quantity measured by the weather sensor, near the road with wide meteorological data, it determines the interpolation plane for each weather weight, a road weather detection method and estimating continuously meteorological amount on the road from the interpolation plane. 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。 Thus, an inexpensive road weather, and accurately, in which can be continuously detected.

【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。 [0006] According to a second aspect of the invention, and meteorological sensors installed in multiple locations along a road, and the wide area weather data receiver for receiving the wide-area weather amount near the road, received from the wide area weather data receiver a road weather detection system, characterized in that it comprises a data processing unit for performing the measurement data acquisition interpolation from the data and meteorological sensors.

【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。 DETAILED DESCRIPTION OF THE INVENTION be described with reference to the drawings an embodiment of the present invention. 図1は道路気象検出システムの全体構成図である。 Figure 1 is an overall block diagram of a road weather detection system. 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。 The system temperature gauge, Anemometer, are installed various meteorological sensors 5, such as rain and snow meter, the data measured by the weather sensor transmission device 6 for transmitting to the central monitoring office, said central monitor station It is composed of a data processing device 7 and a wide meteorological data receiving apparatus 8. 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。 In this system, the weather sensor 5 are juxtaposed along the long-distance road. 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 The juxtaposed interval at a distance corresponding to the length of road weather changes, in the case of, for example, temperature meter to about 2
〜4km間隔に配置されている。 It is arranged in ~4km interval.

【0008】これらの受信データおよび計測データは、 [0008] These received data and the measurement data,
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。 Incorporated into the data processing device 7 in the central monitoring stations, the interpolation calculation is performed as necessary. この計算の具体例を以下に示す。 A specific example of calculation below. 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。 That is, for example, each location (a tentatively latitude X, Y and far longitude) on precedent 2 in the distribution of the measured temperature (if Z and rear) are to that continuously changes smoothly assuming can, when this space (three-dimensional) manner to display, 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。 [0009] In general, fifth-order polynomial function that connects Z given to points arranged irregularly on the X-Y plane and smooth surface can be expressed as the following equation.

【0010】 [0010]

【数1】 [Number 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。 From a variety of wide-area weather data and weather sensor measurement value, by determining the approximate curved surface expression of variable interpolation curved surface obtained.

【0011】図3に本補間曲面を求めた例を示す。 [0011] An example of obtaining the present interpolation curved in FIG. 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。 In the present example, an example of a temperature distribution of a certain date, and has a curved surface which is tied to spatially smooth. 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。 Based on this result, at the location of a road that does not set up a meteorological sensor 5, the position information (latitude X, longitude Y) by substituting the interpolation curved surface expression was determined weather amount is calculated.

【0012】この結果を示したものを図4に示す。 [0012] A shows the results in FIG. 図4 Figure 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。 Using the measured values ​​of the meteorological sensor 5 installed at about 4km intervals wide weather data and road near but is the result of interpolation, even in places where not installed weather sensor 5, precisely the temperature is detected it can be seen that 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、 [0013] In the present exemplary embodiment illustrates the temperature of the meteorological quantity, by using this method,
同様に降雨・降雪量も求められる。 Rainfall, snowfall as well be required. 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。 As for the wind velocity, due to the influence of the surrounding environment, there is a possibility that an error occurs in some interpolation value by adding the correction due to the influence of the surrounding shield, it can be accurately reproduced.

【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。 Effects of the Invention Since the invention of claim 1 is constructed as above, the following effects can be expected. 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。 While increasing the installation interval of meteorological sensors installed near the road, continuously the road weather, can be detected with high accuracy. 上記を比較的安価なシステムとして構築できる。 You can build the as relatively inexpensive system. 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。 As a Global weather data, by incorporating prediction information, availability of prediction information such as rainfall, snowfall, a few hours ahead in the same manner as described above, as along the road. 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。 The present information based on, can increase the efficiency of road management, such as placing the optimal number of plow, for example the required location. 本情報をもとにして、例えばドライバーに対して、 This information based on, for example, to the driver,
凍結個所をより詳細に提供できるので、安全性が増す。 Since it is possible to provide a frozen point in more detail, safety is increased.

【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。 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。 2 is a diagram showing an example of the wide area meteorological data.

【図3】気象量の補間結果(1)(気温の例)を示す図面である。 3 is a diagram showing the weather of interpolation results (1) (example temperature).

【図4】気象量の補間結果(2)(気温の例)を示す図面である。 4 is a diagram showing the weather of interpolation results (2) (example temperature).

【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。 5 is a diagram showing a conventional road environment meteorological system.

【符号の説明】 DESCRIPTION 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 5 meteorological sensor 6 transmitting apparatus 7 the data processing device 8 wide meteorological data receiver

Claims (2)

    【特許請求の範囲】 [The claims]
  1. 【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。 [Claim 1] established a weather sensor on a number points along the road, and meteorological quantity measured by the weather sensor, using a wide meteorological data near the road, determined interpolation plane for each meteorological amount between 該補road weather detection method and estimating continuously meteorological amount on the road from the surface.
  2. 【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。 Meteorological sensors wherein installed in multiple locations along a road, and the wide area weather data receiver for receiving the wide-area weather amount near the road, the weather sensor and receiving data from the wide-area weather data receiver road weather detection system, characterized in that it comprises a data processing device for performing the uptake interpolation measurement data from.
JP2000359288A 2000-11-27 2000-11-27 Road meteorology detection method and detection system Pending JP2002162478A (en)

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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
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Cited By (17)

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US9560480B2 (en) 2000-07-24 2017-01-31 Locator Ip, Lp Interactive advisory system
US8909679B2 (en) 2000-07-24 2014-12-09 Locator Ip, Lp Interactive advisory system
US10021525B2 (en) 2000-07-24 2018-07-10 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
US9998295B2 (en) 2000-07-24 2018-06-12 Locator IP, L.P. Interactive advisory system
US9661457B2 (en) 2000-07-24 2017-05-23 Locator Ip, Lp Interactive advisory system
US9554246B2 (en) 2000-07-24 2017-01-24 Locator Ip, Lp Interactive weather advisory system
US10411908B2 (en) 2000-07-24 2019-09-10 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
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
US10362435B2 (en) 2006-01-19 2019-07-23 Locator IP, L.P. Interactive advisory system
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