JP4464045B2 - テレマティック及びルートガイダンスアプリケーションに関する交通予想をマッピングするために改良された方法及びシステム - Google Patents
テレマティック及びルートガイダンスアプリケーションに関する交通予想をマッピングするために改良された方法及びシステム Download PDFInfo
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Description
クエリー-A)
それらの参照ルート上で調査FTIRSを通過することを期待されないとともに、それらの非参照ルート上で調査FTIRSを通過することを期待される車両の数を推定することを目指したクエリーのタイプ(非期待車両-NEV)
クエリー-B)
参照ルート上で検討されたFTIRSを通過することが期待され、かつ、非参照ルート上で検討されたFTIRSを通過することが期待されない車両の数を推定することを目指したクエリーのタイプ(期待車両-EV)
前記方法は、
(a)モバイルユニットによって交通予測クエリーを受信し、所定の特異な交通負荷一致処理によって、
(b)前記モバイルユニットのそれぞれによる一致処理を実行し、一致した場合、
(c)所定の応答手順を可能にし、各モバイルユニット内の応答手順が、所定の信号を送信する割り当てられたスロットを選択するために所定の任意の処理を用い、所定の信号は、オフラインデータベース統計に関連して交通を予測するための改良された方法を提供し、前記データベース統計は、好ましくは、重要な不規則な交通情報を含まないまたは足りない交通を予測するための方法と、従来データとによって適応して修正される。
前記方法は、
(a)TCユニットによってハンティングトリップ利用のクエリーを受信し、所定の一致処理によって、
(b)前記TCユニットのそれぞれによる一致処理を実行し、一致した場合、
(c)所定の応答手順を可能にし、各TCユニット内の応答手順が、所定の信号を送信する割り当てられたスロットを選択するために所定のランダム処理を用いる。
クエリー-A)
それらの参照ルート上で調査FTIRSを通過することを期待されないとともに、それらの非参照ルート上で調査FTIRSを通過することを期待される車両の数を推定することを目指したクエリーのタイプ(非期待車両-NEV)
クエリー-B)
参照ルート上で検討されたFTIRSを通過することが期待され、かつ、非参照ルート上で検討されたFTIRSを通過することが期待されない車両の数を推定することを目指したクエリーのタイプ(期待車両-EV)
Claims (29)
- 交通予測を調整する方法であって、この方法は、以下の複数の繰り返しを有し、複数の繰り返しの内の少なくとも一つの繰り返しは以下の過程を有する。
(a) 複数の車両に関連する複数の移動ユニットについての交通予測の更新を非移動システムのプラットフォームから複数の車両に対応する移動ユニットへ送信する過程であって、 前記交通予測の更新は、以前の繰り返しにおける一または複数の移動ユニットで行われた断念過程の結果に基づく計画変更を考慮するとともに、以前の繰り返しにおいて当該ルート区域で予測された交通量に比べて依然として混雑しているルート区域における将来の時間間隔の交通混雑予測の更新を含み、
(b) 前記複数の移動ユニットの一つから受信した前記交通予測の更新に対して、前記非移動システムのプラットフォームが、前記複数の移動ユニットの1つから、前記の依然として混雑したルート区域を含む計画ルートから、該混雑したルート区域を含まない変更ルートへ前記複数の車両の一つがルートプランを変更した旨を示す信号を受信することを特徴とするルート区域における交通予測を調整する方法。 - 前記ルートプランの変更は、前記ルートプランから、混雑ルート区域を除くための変更を有することを特徴とする請求項1の方法。
- 前記断念過程は、前記交通混雑を有すると予想されるルート区域を、移動ユニットにより、断念基準に対応して、ルートプランから除くための変更を有することを特徴とする請求項1又は2の方法。
- 前記断念過程は一またはそれ以上の断念基準レベルを用いる過程を有することを特徴とする請求項3の方法。
- 前記断念の各基準レベルは、以前の繰り返しにおけるルートプランよりも優先度の低いルートプランへ変更する閾値を含むことを特徴とする請求項4の方法。
- 前記断念の各基準レベルは、以前の繰り返しにおけるルートプランよりも多くの移動時間を有するルートプランへ変更する閾値を含むことを特徴とする請求項4または5の何れかの方法。
- 前記断念の各基準レベルは、以前の繰り返しにおけるルートプランよりも少ない距離を有するルートプランへ変更する閾値を含むことを特徴とする請求項4〜6の何れかの方法。
- 前記断念の各基準レベルは、以前の繰り返しにおけるルートプランより低い優先度のルートプランへ変更する閾値を含むことを特徴とする請求項4〜7の何れかの方法。
- 前記複数の繰り返しの後、一またはそれ以上の移動ユニットにおいて安定した経路に至らない場合に、前記一またはそれ以上の移動ユニットの各々が変更すべきルートプランをランダムに選択することを特徴とする請求項1〜8のいずれかに記載の方法。
- 以前の繰り返しへの繰り返しに成功した一の繰り返しにおける断念過程は、前記以前の繰り返しよりも高いグレードの断念基準レベルでルートプランを変更することを特徴とする請求項1〜9のいずれかに記載の方法。
- 以前の繰り返しへの繰り返しに成功した一の繰り返しにおける断念過程は、前記以前の繰り返しにおける断念過程よりも高い断念基準を有することを特徴とする請求項1〜10のいずれかに記載の方法。
- 前記変更されたルートの長さは、計画されたプランより長いことを特徴とする請求項1〜11のいずれかに記載の方法。
- もし、更新された交通予測が、過剰に多くの移動ユニットが以前の繰り返しにおける依然として混雑した区域で断念したことを示す場合に、前記非移動システムのプラットフォームにおいて、前記一またはそれ以上の車両から、現在のルートを以前の繰り返しにおいて使用されたルートへ変更する旨を示す一またはそれ以上の信号を受信することを特徴とする請求項1〜12のいずれかに記載の方法。
- 前記車両の少なくとも一つが、以前の低グレードの断念基準レベルによる断念過程の再構成により、最新に用いられたルートへ戻ったことを示す信号を前記非移動システムのプラットフォームが受信する過程を有することを特徴とする請求項13に記載の方法。
- 最新に用いられたルートは、現在のルートより短いことを特徴とする請求項13又は14に記載の方法。
- 前記現在ルートの最新に用いられたルートへの変更は、少なくとも一つのパラメータについてランダムに選択された量に基づいて一またはそれ以上の移動ユニットが行うことを特徴とする請求項13〜15のいずれかに記載の方法。
- 交通量が平衡状態へ収束するまで複数の繰り返しを実行する過程を有することを特徴とする請求項1〜16のいずれかに記載の方法。
- 断念のレベルの高い基準と低い基準との妥協を考慮して複数の繰り返しを行う過程を有することを特徴とする請求項17に記載の方法。
- 交通量予測の更新の送信は、前記複数の移動ユニットへ前記交通量予測の更新を放送する過程を有することを特徴とする請求項1〜18のいずれかに記載の方法。
- 前記交通量予測の送信は、ラジオ放送を用いた送信を有することを特徴とする請求項1〜19のいずれかに記載の方法。
- 交通マッピングシステムによって交通量予測の更新を発生することを特徴とする請求項1〜20のいずれかに記載の方法。
- 前記断念過程によるルート計画変更を示す信号を交通マッピングシステムにより受信する過程を有することを特徴とする請求項1〜21のいずれかに記載の方法。
- 前記マッピングシステムにより、前記断念過程によるルート計画変更を示す受信信号を考慮する過程を有することを特徴とする請求項21又は22のいずれかに記載の方法。
- 前記送信および受信の少なくとも一方は、ラジオシステムを用いて行なわれることを特徴とする請求項1〜23のいずれかに記載の方法。
- 前記送信および受信の少なくとも一方は、スロット適応ラジオシステムによって行われることを特徴とする請求項1〜24のいずれかに記載の方法。
- 移動ユニットは、位置信号を受信可能とされ、各断念過程と、交通量の更新とに応じたルートを計画可能とされ、ルート変更についての更新のためのラジオ信号の非移動システムプラットフォームへの送信が可能とされ、交通量の更新についてのラジオ信号の移動システムプラットフォームからの受信が可能とされたことを特徴とする請求項1〜25のいずれかに記載の方法。
- 前記ルートの変更は、ルートプランから、予測される交通混雑の影響を受ける一又は二以上のルート区域を除く変更を有することを特徴とする請求項1〜26のいずれかに記載の方法。
- 前記以前の繰り返しは、前記その繰り返しのさらに以前の繰り返しを含むことを特徴とする請求項1〜27のいずれかに記載の方法。
- 変更されたルートの所要時間は、計画されたルートの所要時間より長いことを特徴とする請求項1〜6、13〜28のいずれかに記載の方法。
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US26769301P | 2001-02-09 | 2001-02-09 | |
US27432301P | 2001-03-08 | 2001-03-08 | |
US28908301P | 2001-05-07 | 2001-05-07 | |
PCT/IB2002/001996 WO2002077945A2 (en) | 2001-02-09 | 2002-02-08 | Traffic predictions |
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CA (1) | CA2437993A1 (ja) |
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US8489669B2 (en) | 2000-06-07 | 2013-07-16 | Apple Inc. | Mobile data processing system moving interest radius |
US6456234B1 (en) | 2000-06-07 | 2002-09-24 | William J. Johnson | System and method for proactive content delivery by situation location |
EP1402496B1 (en) * | 2001-02-09 | 2007-04-11 | MINTZ, Yosef | Improved method and system for mapping traffic predictions with respect to telematics and route guidance applications |
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WO2002077945A2 (en) | 2002-10-03 |
EP2287819A3 (en) | 2012-03-28 |
US20140143053A1 (en) | 2014-05-22 |
DE60219473T2 (de) | 2007-12-20 |
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