JP2011186872A5 - - Google Patents
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- JP2011186872A5 JP2011186872A5 JP2010052551A JP2010052551A JP2011186872A5 JP 2011186872 A5 JP2011186872 A5 JP 2011186872A5 JP 2010052551 A JP2010052551 A JP 2010052551A JP 2010052551 A JP2010052551 A JP 2010052551A JP 2011186872 A5 JP2011186872 A5 JP 2011186872A5
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- speed
- intersection
- traffic jam
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Claims (8)
道路リンクの位置が定義されている地図データを記憶した地図データ記憶部と、
異なる時刻における車両の位置を示す車両位置データを記憶する位置データ記憶部と、
前記地図データ及び前記車両位置データに基づいて、各道路リンクの車両の走行速度を推定する速度推定部と、
前記速度推定部で推定された各道路リンクの車両の走行速度が所定速度以下である渋滞リンクを抽出する渋滞抽出部と、
前記地図データに基づいて、前記渋滞リンクの上流につながっている上流リンクを特定し、前記車両位置データに基づいて、前記上流リンク内の車両である上流車両を特定する上流車両特定部と、
前記上流車両の車載装置に対して、渋滞情報を出力する出力部と、を備え、
前記速度推定部は、交差点の直前の道路リンク内の複数の車両の走行速度の分布に応じて、前記交差点の直前の道路リンクに対して複数の走行速度を推定し、
前記渋滞抽出部は、前記交差点の直前の道路リンク内の複数の走行速度のうちの最低速の走行速度が前記所定の速度以下であるとき、前記最低速の走行速度が前記交差点を直進する直進車の走行速度であれば、前記交差点の直前の道路リンクを渋滞リンクとして抽出する、渋滞情報提供装置。 A traffic information providing device that provides traffic information,
A map data storage unit storing map data in which the position of the road link is defined;
A position data storage unit for storing vehicle position data indicating the position of the vehicle at different times;
Based on the map data and the vehicle position data, a speed estimation unit that estimates the traveling speed of the vehicle on each road link;
A traffic jam extracting unit that extracts a traffic jam link in which the traveling speed of the vehicle of each road link estimated by the speed estimating unit is equal to or lower than a predetermined speed;
Based on the map data, identify an upstream link connected to the upstream of the traffic jam link, and based on the vehicle position data, identify an upstream vehicle that is a vehicle in the upstream link;
For the in-vehicle device of the upstream vehicle, an output unit that outputs traffic jam information,
The speed estimation unit estimates a plurality of traveling speeds for a road link immediately before the intersection according to a distribution of traveling speeds of a plurality of vehicles in the road link immediately before the intersection,
The traffic jam extracting unit, when a lowest traveling speed among a plurality of traveling speeds in a road link immediately before the intersection is equal to or less than the predetermined speed, the lowest traveling speed goes straight through the intersection. A traffic jam information providing device that extracts a road link immediately before the intersection as a traffic jam link if the vehicle is traveling speed .
前記速度推定部は、前記分割道路リンクごとに車両の走行速度を推定し、
前記渋滞抽出部は、直進レーンに対応する分割道路リンクの車両の走行速度が所定速度以下であるときに、前記直進レーンに対応する分割道路リンクを渋滞リンクとして抽出する、請求項１記載の渋滞情報提供装置。 In the map data, when a road having a plurality of driving lanes and a divided road link that is a road link for each driving lane is set,
The speed estimation unit estimates a traveling speed of a vehicle for each of the divided road links,
2. The traffic jam according to claim 1, wherein the traffic jam extracting unit extracts a segmented road link corresponding to the straight lane as a traffic jam link when a traveling speed of the vehicle of the divided road link corresponding to the straight lane is equal to or lower than a predetermined speed. Information providing device.
前記速度推定部は、左折先のリンクの車両の走行速度を推定し、
前記渋滞抽出部は、前記左折先のリンクの車両の走行速度が所定の速度以上であるときは、前記最低速の走行速度が前記交差点を直進する直進車の走行速度であるとする、請求項１記載の渋滞情報提供装置。 If the intersection has only a left turn branch in addition to straight ahead,
The speed estimation unit estimates the traveling speed of the vehicle at the left turn link,
The traffic jam extraction unit may determine that when the vehicle traveling speed of the left turn destination link is equal to or higher than a predetermined speed, the lowest traveling speed is a traveling speed of a straight vehicle that travels straight through the intersection. The traffic information providing apparatus according to 1.
前記速度推定部は、右折先のリンクの車両の走行速度を推定し、
前記渋滞抽出部は、対向車線のリンクの混雑度が所定以下であり、かつ、前記右折先のリンクの車両の走行速度が所定の速度以上であるときは、前記最低速の走行速度が前記交差点を直進する直進車の走行速度であるとする、請求項１記載の渋滞情報提供装置。 If the intersection has only a right turn branch in addition to straight ahead,
The speed estimation unit estimates the traveling speed of the vehicle on the right turn destination link,
When the congestion degree of the opposite lane link is not more than a predetermined value and the traveling speed of the vehicle on the right turn destination link is not less than a predetermined speed, the traffic jam extracting unit determines that the minimum traveling speed is the intersection. The traffic jam information providing apparatus according to claim 1, wherein the travel speed of a straight vehicle traveling straight on
前記速度推定部は、左折先のリンクの車両の走行速度及び右折先のリンクの車両の走行速度を推定し、
前記渋滞抽出部は、前記左折先のリンクの車両の走行速度が所定の速度以上であり、対向車線のリンクの混雑度が所定以下であって、かつ、前記右折先のリンクの車両の走行速度が所定の速度以上であるときは、前記最低速の走行速度が前記交差点を直進する直進車の走行速度であるとする、請求項１記載の渋滞情報提供装置。 When the intersection has a left turn and a right turn branch in addition to straight ahead,
The speed estimation unit estimates the traveling speed of the vehicle at the left turn link and the traveling speed of the vehicle at the right turn link,
The traffic jam extracting unit is configured such that the travel speed of the vehicle on the left turn link is equal to or higher than a predetermined speed, the congestion degree of the link on the opposite lane is equal to or lower than the predetermined speed, and the travel speed of the vehicle on the right turn destination link. The traffic jam information providing apparatus according to claim 1, wherein when the speed is equal to or higher than a predetermined speed, the lowest speed is a speed of a straight vehicle that travels straight through the intersection.
前記地図データ及び前記車両位置データに基づいて、交差点の直前の道路リンク内の複数の車両の走行速度の分布に応じて、前記交差点の直前の道路リンクに対して複数の走行速度を推定するステップと、
前記交差点の直前の道路リンク内の複数の走行速度のうちの最低速の走行速度が前記所定の速度以下であれば、前記交差点の直前の道路リンクを渋滞リンクとして抽出するステップと、
前記地図データに基づいて、前記渋滞リンクの上流につながっている上流リンクを特定し、前記車両位置データに基づいて、前記上流リンク内の車両である上流車両を特定するステップと、
前記上流車両の車載装置に対して、渋滞情報を出力するステップと、を行う方法。 A traffic jam information providing device having a map data storage unit storing map data in which the position of a road link is defined and a location data storage unit storing vehicle position data indicating the vehicle position at different times provide traffic jam information A way to
Estimating a plurality of traveling speeds for the road link immediately before the intersection according to the distribution of the traveling speeds of the plurality of vehicles in the road link immediately before the intersection based on the map data and the vehicle position data. When,
A step of slowest running speed of the plurality of traveling speed of the road link immediately before the intersection extracting the predetermined speed or less der lever, the road link immediately before the intersection as congestion links,
Identifying an upstream link connected upstream of the traffic jam link based on the map data, identifying an upstream vehicle that is a vehicle in the upstream link based on the vehicle position data;
Outputting the traffic jam information to the in-vehicle device of the upstream vehicle.
前記地図データ及び前記車両位置データに基づいて、交差点の直前の道路リンク内の複数の車両の走行速度の分布に応じて、前記交差点の直前の道路リンクに対して複数の走行速度を推定するステップと、
前記交差点の直前の道路リンク内の複数の走行速度のうちの最低速の走行速度が前記所定の速度以下であれば、前記交差点の直前の道路リンクを渋滞リンクとして抽出するステップと、
前記地図データに基づいて、前記渋滞リンクの上流につながっている上流リンクを特定し、前記車両位置データに基づいて、前記上流リンク内の車両である上流車両を特定するステップと、
前記上流車両の車載装置に対して、渋滞情報を出力するステップと、を前記渋滞情報提供装置に実行されるコンピュータプログラム。
A computer program for a traffic jam information providing apparatus having a map data storage unit storing map data in which a position of a road link is defined and a position data storage unit storing vehicle position data indicating vehicle positions at different times Because
Estimating a plurality of traveling speeds for the road link immediately before the intersection according to the distribution of the traveling speeds of the plurality of vehicles in the road link immediately before the intersection based on the map data and the vehicle position data. When,
A step of slowest running speed of the plurality of traveling speed of the road link immediately before the intersection extracting the predetermined speed or less der lever, the road link immediately before the intersection as congestion links,
Identifying an upstream link connected upstream of the traffic jam link based on the map data, identifying an upstream vehicle that is a vehicle in the upstream link based on the vehicle position data;
A computer program executed by the traffic information providing apparatus for outputting traffic information to the in-vehicle device of the upstream vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010052551A JP4913880B2 (en) | 2010-03-10 | 2010-03-10 | Traffic jam information providing apparatus, method, and computer program |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010052551A JP4913880B2 (en) | 2010-03-10 | 2010-03-10 | Traffic jam information providing apparatus, method, and computer program |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2011186872A JP2011186872A (en) | 2011-09-22 |
| JP2011186872A5 true JP2011186872A5 (en) | 2011-11-04 |
| JP4913880B2 JP4913880B2 (en) | 2012-04-11 |
Family
ID=44793045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2010052551A Expired - Fee Related JP4913880B2 (en) | 2010-03-10 | 2010-03-10 | Traffic jam information providing apparatus, method, and computer program |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4913880B2 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014160373A (en) * | 2013-02-20 | 2014-09-04 | Nec Corp | Communication management system, communication management method and program |
| JP6665733B2 (en) | 2016-08-26 | 2020-03-13 | トヨタ自動車株式会社 | Information processing device |
| JP6597520B2 (en) | 2016-08-26 | 2019-10-30 | トヨタ自動車株式会社 | Information processing device |
| JP6519555B2 (en) | 2016-08-26 | 2019-05-29 | トヨタ自動車株式会社 | Information processing device |
| JP2019082423A (en) * | 2017-10-31 | 2019-05-30 | アイシン・エィ・ダブリュ株式会社 | Navigation system and navigation program |
| JP7009972B2 (en) * | 2017-12-18 | 2022-01-26 | トヨタ自動車株式会社 | Server device and congestion identification method |
| CN113016014B (en) * | 2018-11-14 | 2023-01-03 | 本田技研工业株式会社 | Analysis device and analysis method |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004272839A (en) * | 2003-03-12 | 2004-09-30 | Toyota Motor Corp | Congestion information provision system |
| JP4582401B2 (en) * | 2004-11-22 | 2010-11-17 | 株式会社デンソー | Traffic jam information provision system |
| JP5256924B2 (en) * | 2008-08-11 | 2013-08-07 | 住友電気工業株式会社 | Traffic jam information generating apparatus, computer program, and traffic jam information generating method |
| JP5234691B2 (en) * | 2009-01-28 | 2013-07-10 | アイシン・エィ・ダブリュ株式会社 | Navigation device, probe information transmission method, program, and traffic information creation device |
| JP2010236996A (en) * | 2009-03-31 | 2010-10-21 | Panasonic Corp | Navigation device, traffic information generation server device, traffic information providing system |
| JP2010266396A (en) * | 2009-05-18 | 2010-11-25 | Mitsubishi Electric Corp | Navigation device |
-
2010
- 2010-03-10 JP JP2010052551A patent/JP4913880B2/en not_active Expired - Fee Related
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