EP0958565A1 - Transmission d'informations routieres regionales - Google Patents
Transmission d'informations routieres regionalesInfo
- Publication number
- EP0958565A1 EP0958565A1 EP98910612A EP98910612A EP0958565A1 EP 0958565 A1 EP0958565 A1 EP 0958565A1 EP 98910612 A EP98910612 A EP 98910612A EP 98910612 A EP98910612 A EP 98910612A EP 0958565 A1 EP0958565 A1 EP 0958565A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- area
- traffic information
- route
- information
- terminal
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
- G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
- G08G1/096766—Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission
- G08G1/096775—Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission where the origin of the information is a central station
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
- G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
- G08G1/096708—Systems involving transmission of highway information, e.g. weather, speed limits where the received information might be used to generate an automatic action on the vehicle control
- G08G1/096716—Systems involving transmission of highway information, e.g. weather, speed limits where the received information might be used to generate an automatic action on the vehicle control where the received information does not generate an automatic action on the vehicle control
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
- G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
- G08G1/096733—Systems involving transmission of highway information, e.g. weather, speed limits where a selection of the information might take place
- G08G1/09675—Systems involving transmission of highway information, e.g. weather, speed limits where a selection of the information might take place where a selection from the received information takes place in the vehicle
Definitions
- the invention relates to a method and devices for informing a
- Traffic information Information which is relevant to traffic is referred to below as "traffic information”.
- this traffic information includes the known reports about traffic jams, accidents, disabilities, etc., but also measurement data such as speed or the number of vehicles that one In a broader sense, however, this also includes information about the environment, such as weather information ("freezing rain”, “fog") and restrictions (speed restrictions, residents, truck prohibition, water protection area, etc.). Information about tolls or toll tariffs is also included in this context to the traffic information.
- Traffic information so far refers in particular to the route sections of a road network. General information (such as "fog") ultimately always refers to individual route sections. Systems known and used today therefore reference the information to the sections of the route.
- a well known weather information (“freezing rain”, "fog”
- restrictions speed restrictions, residents, truck prohibition, water protection area, etc.
- tolls or toll tariffs is also included in this context to the traffic information.
- Traffic information so far refers in particular to the route sections of a road network.
- verbal broadcast messages eg. Jam 5 km on the A3 between ... and ...
- verbal broadcast messages are also known systems that transmit these messages in coded form
- RDS / TMC. Reference is made to a coded section of road.
- the object of the present invention is to reduce the information in the traffic information while avoiding quality losses as far as possible.
- the task is solved by the independent claims.
- the amount of information to be transmitted is reduced; with such a reduction in information on the terminal, the
- the presented invention avoids the disadvantages of the prior art.
- the system consists of one (or even several) "control centers" that provide the traffic information collect and make available and at least one recipient or recipient of this traffic information. Traffic information is transmitted from the control center to the receiver via a communication channel.
- the basic idea of the invention is to convert the information which is usually collected as route-related data into area-related information by means of a processing unit and thus to provide the traffic information in the form of area-related information.
- the processing unit can advantageously be used on the central side as well as on the receiving side.
- a drastic reduction in the transmitted information is achieved, i.e. the main advantage is on the technical-commercial side.
- a drastic reduction in redundant information is achieved, which has an advantageous effect above all from an ergonomic point of view, particularly when it comes to display. This different sequence is shown in the accompanying drawings.
- the information is preferably in quantitative form, i.e. with more than binary quantification, e.g. quaternary, before.
- the method can also be used advantageously if certain features such as "fog", "water protection area” or the like. can be quantified by simple binary affiliation (yes / no).
- Other features, such as tolls on a route in front of the vehicle terminal in the direction of travel, can also be quantified in differentiated quantitative information (e.g. price per km), but in the form of the above yes / no assignment.
- Fig. 1 is a data flow plan of the traffic information for a
- Fig. 2 shows a data flow plan of the traffic information for another
- FIG. 3 shows a conversion of route-related traffic into area-related traffic information and Fig. 4 the definition of an area.
- a traffic disruption can be received, for example, in the form of a verbal traffic jam message (eg "Traffic jam 3 km on A3 between ... and ").
- this message should be taken into account in the further navigation or route planning.
- the question immediately arises as to what the traffic situation looks like on a possible bypass route.
- the driver is in principle “blind” to the non-referenced route sections.
- the first step quantitative traffic data is collected or assumed. This is expedient, since averaging must take place in some form in the further steps. In a preferred embodiment, these are, for example, the average speeds traveled on the individual route sections. However, other measurable quantities such as travel times, number of vehicles or the like are also possible. In practice, it is unlikely that data will be available for all sections of the route. It is therefore usually necessary to have the measurement data supplemented by plausible assumptions. The assumptions can simply be derived from structural features (type of road, speed limit, etc.) or from more complex experience databases (curve lines). Possible procedures for this are described in the subclaims.
- the second step is the generalization of the information, which is technically carried out by averaging over several sections of the route within an area.
- the large amount of individual information relating to many sections of the route is thus converted into averaged information for all sections of the route in this area.
- an average speed would be determined.
- the averaging procedure itself can be applied to a given area (eg city limits).
- An advantageous embodiment of the invention is, however, also to determine areas of the same values, ie to define the area on the basis of the available data.
- an additional averaging process must be carried out to reduce the information, since here the exact equality cannot be used as a criterion, but in practice is averaged over a speed range (for example between 50 and 60 km / h).
- a particularly preferred form is thus the provision in the form of contour surfaces, which are referred to as isotachians in the special case of the speeds.
- the procedure means that redundant information is largely dispensed with, ie the information is compressed. This can be used advantageously on the one hand with compression on the central side.
- the condensed (area-related) information can thus be transmitted inexpensively via the communication channel.
- the method was explained on the basis of traffic information representing speeds, but can also be transferred to other traffic-relevant variables. For example, application to congestion probabilities or similar measures for disabilities or restrictions on use is possible.
- the specification of fundamental restrictions such as Areas for pure destination traffic, traffic-calmed zones, zones restricted to heavy goods traffic, water protection areas etc. can be realized with this procedure.
- Another possible application is the specification of cost functions such as toll etc.
- FIG. 1 shows a roughly abstracted data flow plan for the exemplary embodiment with a conversion of the route-related data into area-related data at the central office
- FIG. 2 shows a roughly abstracted data flow plan for the exemplary embodiment of the conversion of route-related traffic information into area-related traffic information in the terminal.
- route-related traffic data are collected in step 1 by measurement, historical databases, etc. and, if necessary, interpolated.
- the route-related data are made available in step 2 to the control center for possible further processing, such as traffic forecasts, etc.
- step 3 the route-related data (denoted by S) are made in a processing unit
- Traffic information converted into area-related traffic information (labeled G).
- the area-related traffic information (G) is then transmitted in step 4 via a communication channel, in particular radio channel, such as, for example, a mobile radio channel, in particular short message channel (GSM-SMS), to a receiver in a terminal in a vehicle.
- the transmitted area-related (G) traffic information is visually and / or acoustically displayed or / and evaluated to the user of the device in the receiver and is taken into account, for example, for navigation recommendations.
- the illustrated conversion of route-related traffic information into area-related traffic information in a processing unit in the central has the advantage that the amount of information to be transmitted via the communication channel is reduced.
- FIG. 2 shows an exemplary embodiment of the conversion of the route-related (S) traffic information into area-related (G) traffic information in a terminal in a vehicle.
- route-related traffic data is collected and possibly supplemented by interpolation etc.
- the route-related traffic information is transmitted to the head office in step 12. From this, route-related information is transmitted to a receiver in a terminal in a vehicle via a communication channel in step 13. The transmitted traffic data is stored in the receiver in step 14.
- Route-related traffic information (S) is transmitted from the receiver to a processing unit on the terminal side as well.
- step 15 the processing unit converts route-related traffic information into regional traffic information (G) and transmits it to a display and / or evaluation unit in the terminal.
- the area-related information can be presented to the user of the terminal area-related (step 16). Area-related information can also be further evaluated and used for example for the creation of navigation recommendations or the like.
- FIG. 3 illustrates the assignment of route-related traffic information to area-related traffic information in the traffic center or in the terminal.
- Route-related information is recorded and / or supplemented by historical databases and / or hypotheses regarding the spatial and / or temporal course.
- This route-related traffic information is to be assigned to individual areas in the processing unit in the terminal or in the control center.
- An area is defined arbitrarily or according to predefinable parameters.
- a check is made for route-related traffic information as to whether the route section or the route sections to which the traffic information relates are contained in the predetermined area. If it is included, it is also taken into account for averaging the traffic information in the specified area. For example, the mean values of all known speeds in a certain spatial area can be taken into account.
- the mean value of the traffic information determined for this area (for example mean value of the speeds in the area) is the area-related mean value, that is to say the area-related traffic information for this area.
- FIG. 4 shows an example of the definition of an area (as used for example in FIG. 3).
- traffic information (“data”) relating to at least one section of a traffic network
- an area is defined via the amount of traffic information, in particular speeds; a value interval for the traffic information (data) is specified here (this can be a speed interval, for example).
- An area is formed for those sections of the route for which traffic information is available in the value interval.
- other parameters such as maximum area sizes, and / or
- Road courses or the like are taken into account.
- the area obtained can also be referred to as the mean-related area, since it is in this area Traffic information with a certain mean value (approximately in the middle of the value interval).
Abstract
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19706037 | 1997-02-06 | ||
DE19706037 | 1997-02-06 | ||
DE19753050 | 1997-11-19 | ||
DE19753050A DE19753050A1 (de) | 1997-02-06 | 1997-11-19 | Übermittlung gebietsbezogener Verkehrsinformationen |
PCT/DE1998/000385 WO1998035331A1 (fr) | 1997-02-06 | 1998-02-02 | Transmission d'informations routieres regionales |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0958565A1 true EP0958565A1 (fr) | 1999-11-24 |
EP0958565B1 EP0958565B1 (fr) | 2004-06-16 |
Family
ID=26034008
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98910612A Expired - Lifetime EP0958565B1 (fr) | 1997-02-06 | 1998-02-02 | Transmission d'informations routieres regionales |
Country Status (3)
Country | Link |
---|---|
US (1) | US6292742B1 (fr) |
EP (1) | EP0958565B1 (fr) |
WO (1) | WO1998035331A1 (fr) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1011219A3 (fr) * | 1998-12-14 | 2005-01-26 | ATX Europe GmbH | Méthode et dispositif pour la génération d'informations routières concernant des situations routières couvrant une pluralité de segments d'un réseau routier |
DE19943058A1 (de) | 1999-09-09 | 2001-03-22 | Bosch Gmbh Robert | Verfahren und System zur Übertragung von Informations-Inhaltsdaten |
SE0100351D0 (sv) * | 2001-02-06 | 2001-02-06 | Sergio Luciani | Traffic monitoring system and method |
US6611750B2 (en) * | 2001-09-27 | 2003-08-26 | International Business Machines Corporation | Hierarchical traffic control system |
TW200708431A (en) * | 2005-08-19 | 2007-03-01 | Jetpo Technology Inc | Traffic information monitoring and personalized reporting system |
US7813870B2 (en) | 2006-03-03 | 2010-10-12 | Inrix, Inc. | Dynamic time series prediction of future traffic conditions |
US7706965B2 (en) * | 2006-08-18 | 2010-04-27 | Inrix, Inc. | Rectifying erroneous road traffic sensor data |
US8700296B2 (en) | 2006-03-03 | 2014-04-15 | Inrix, Inc. | Dynamic prediction of road traffic conditions |
US8014936B2 (en) * | 2006-03-03 | 2011-09-06 | Inrix, Inc. | Filtering road traffic condition data obtained from mobile data sources |
US20070208498A1 (en) * | 2006-03-03 | 2007-09-06 | Inrix, Inc. | Displaying road traffic condition information and user controls |
US7912627B2 (en) | 2006-03-03 | 2011-03-22 | Inrix, Inc. | Obtaining road traffic condition data from mobile data sources |
US7831380B2 (en) * | 2006-03-03 | 2010-11-09 | Inrix, Inc. | Assessing road traffic flow conditions using data obtained from mobile data sources |
US7912628B2 (en) | 2006-03-03 | 2011-03-22 | Inrix, Inc. | Determining road traffic conditions using data from multiple data sources |
US7899611B2 (en) * | 2006-03-03 | 2011-03-01 | Inrix, Inc. | Detecting anomalous road traffic conditions |
US7908076B2 (en) * | 2006-08-18 | 2011-03-15 | Inrix, Inc. | Representative road traffic flow information based on historical data |
JP4905044B2 (ja) * | 2006-10-13 | 2012-03-28 | アイシン・エィ・ダブリュ株式会社 | 交通情報配信装置 |
JP4652307B2 (ja) * | 2006-10-18 | 2011-03-16 | アイシン・エィ・ダブリュ株式会社 | 交通情報配信装置 |
US8180518B2 (en) * | 2008-04-15 | 2012-05-15 | Robert Bosch Gmbh | System and method for determining microenvironment conditions external to a vehicle |
BRPI1014364A2 (pt) * | 2009-04-22 | 2019-09-24 | Inrix Inc | previsão de condições esperadas de tráfego em estrada com base em dados atuais e históricos |
US9958280B2 (en) | 2011-08-16 | 2018-05-01 | Inrix, Inc. | Assessing inter-modal passenger travel options |
US9079587B1 (en) | 2014-02-14 | 2015-07-14 | Ford Global Technologies, Llc | Autonomous control in a dense vehicle environment |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8826624D0 (en) * | 1988-11-14 | 1988-12-21 | Martell D K | Traffic congestion monitoring system |
FR2642875B1 (fr) * | 1989-02-03 | 1994-02-18 | Urba 2000 | Systeme de collecte et de diffusion d'informations pour automobilistes |
US5164904A (en) * | 1990-07-26 | 1992-11-17 | Farradyne Systems, Inc. | In-vehicle traffic congestion information system |
US5801943A (en) * | 1993-07-23 | 1998-09-01 | Condition Monitoring Systems | Traffic surveillance and simulation apparatus |
EP0715291B1 (fr) * | 1994-11-28 | 2000-02-23 | MANNESMANN Aktiengesellschaft | Procédé et dispositif de localisation d'un véhicule |
JP3393732B2 (ja) * | 1995-04-14 | 2003-04-07 | アルパイン株式会社 | 車載ナビゲータシステム |
JP2737698B2 (ja) * | 1995-05-29 | 1998-04-08 | ソニー株式会社 | ナビゲーション装置及び表示方法 |
JPH0916892A (ja) * | 1995-06-27 | 1997-01-17 | Fujitsu Ten Ltd | ナビゲーション装置 |
DE19526148C2 (de) * | 1995-07-07 | 1997-06-05 | Mannesmann Ag | Verfahren und System zur Prognose von Verkehrsströmen |
JP3174265B2 (ja) * | 1996-04-19 | 2001-06-11 | 三菱電機株式会社 | 交通情報表示装置 |
JP3698835B2 (ja) * | 1996-10-25 | 2005-09-21 | 三菱電機株式会社 | 交通情報表示装置及びその表示方法並びに交通情報表示装置用表示制御プログラムを記録した媒体 |
-
1998
- 1998-02-02 US US09/367,142 patent/US6292742B1/en not_active Expired - Lifetime
- 1998-02-02 EP EP98910612A patent/EP0958565B1/fr not_active Expired - Lifetime
- 1998-02-02 WO PCT/DE1998/000385 patent/WO1998035331A1/fr active IP Right Grant
Non-Patent Citations (1)
Title |
---|
See references of WO9835331A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO1998035331A1 (fr) | 1998-08-13 |
EP0958565B1 (fr) | 2004-06-16 |
US6292742B1 (en) | 2001-09-18 |
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