DE10029816A1 - Driver assistance system - Google Patents

Driver assistance system

Info

Publication number
DE10029816A1
DE10029816A1 DE2000129816 DE10029816A DE10029816A1 DE 10029816 A1 DE10029816 A1 DE 10029816A1 DE 2000129816 DE2000129816 DE 2000129816 DE 10029816 A DE10029816 A DE 10029816A DE 10029816 A1 DE10029816 A1 DE 10029816A1
Authority
DE
Germany
Prior art keywords
driver
driving
recommendations
assistance system
data
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.)
Ceased
Application number
DE2000129816
Other languages
German (de)
Inventor
Werner Richter
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.)
Daimler AG
Original Assignee
DaimlerChrysler AG
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 DaimlerChrysler AG filed Critical DaimlerChrysler AG
Priority to DE2000129816 priority Critical patent/DE10029816A1/en
Priority to PCT/EP2001/006184 priority patent/WO2001097196A1/en
Publication of DE10029816A1 publication Critical patent/DE10029816A1/en
Ceased legal-status Critical Current

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
    • G08G1/096708—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
    • G08G1/096708—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
    • G08G1/096725—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 generates 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
    • G08G1/096741—Systems involving transmission of highway information, e.g. weather, speed limits where a selection of the information might take place where the source of the transmitted information selects which information to transmit to each vehicle
    • 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
    • G08G1/096766—Systems involving transmission of highway information, e.g. weather, speed limits where the system is characterised by the origin of the information transmission
    • G08G1/096791—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 another vehicle
    • 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
    • G08G1/0968—Systems involving transmission of navigation instructions to the vehicle
    • G08G1/096805—Systems involving transmission of navigation instructions to the vehicle where the transmitted instructions are used to compute a route
    • G08G1/096811—Systems involving transmission of navigation instructions to the vehicle where the transmitted instructions are used to compute a route where the route is computed offboard

Abstract

The invention relates to a driver-assistance system that is designed to allow an optimum driving performance while keeping to the itinerary in difficult traffic situations. To this end, the calculation of driver's recommendations is based on FCD data and X-FCD data which relate to the driver's own driving situation and the traffic situation ahead. The inventive system is used in driver-assistance systems that utilize GPS data for determining the actual position of the vehicle and digital road maps for determining the local route orientation and direction of travel and an output of computer-based driver's recommendations to the system user utilizing said system.

Description

Die Erfindung betrifft ein fahrerunterstützendes Assistenzsys­ tem für Kraftfahrzeuge gemäß dem Oberbegriff des Patentan­ spruchs 1.The invention relates to a driver support assistance system tem for motor vehicles according to the preamble of the patent saying 1.

Es sind fahrerunterstützende Assistenzsysteme bekannt, die in Verbindung mit einem Fahrzeug-Navigationssystem, einer elek­ tronischen Straßenkarte, ermittelten Fahrzeugdaten, wie der aktuellen Fahrzeuggeschwindigkeit, und Umgebungsdaten, wie der Außentemperatur und der Luftfeuchtigkeit, dem Fahrer extern ermittelte Hinweise zum optimalen Fahrverhalten in Kurven in das Fahrzeug übersenden und anzeigen (DE 42 01 142 A1). Auch sind derartige Systeme zur Routenplanung bekannt geworden, die dem Fahrer für seinen bekannten Standort und bekannten, dort vorherrschenden Verkehrsflußbedingungen Empfehlungen für seine Routenwahl übermitteln.Driver assistance systems are known which are used in Connection with a vehicle navigation system, an elec tronic road map, determined vehicle data, such as the current vehicle speed, and environmental data, such as the Outside temperature and humidity, the driver external determined information on optimal driving behavior in curves in Send and display the vehicle (DE 42 01 142 A1). Also Such route planning systems have become known the driver for his known location and known, there prevailing traffic flow recommendations for his Submit route selection.

Aufgabe der Erfindung ist es, ein fahrerunterstützendes Assis­ tenzsystem für eine optimale Fahrweise unter Beibehaltung der Route in unübersichtlichen Verkehrssituationen zu schaffen.The object of the invention is a driver assisting Assis system for an optimal driving style while maintaining the To create a route in confusing traffic situations.

Diese Aufgabe wird erfindungsgemäß durch die Merkmale des Patentanspruchs 1 gelöst. Weiterbildungen der Erfindung sind in den Unteransprüchen angegeben.This object is achieved by the features of Claim 1 solved. Developments of the invention are in specified in the subclaims.

Grundidee der erfindungsgemäßen Lösung ist die Erweiterung des Blickfeldes eines Fahrzeugführers, das durch Kuppen, Biegungen, Waldbestände am Straßenrand, etc. eingeschränkt ist, mittels einer rechnerunterstützten, vorausschauenden Verkehrsanalyse und daraus abgeleitenden Fahrempfehlungen. The basic idea of the solution according to the invention is the extension of Field of vision of a vehicle driver, which is caused by crests, bends, Forest stands on the roadside, etc. is limited, by means of a computer-aided, predictive traffic analysis and derived driving recommendations.  

Derartige Blickfeldeinschränkungen führen sowohl zu mangelnden Informationen über das Verkehrsgeschehen auf den vor dem Fahrer liegenden Streckenabschnitten. Dieses kann eine unangepasste Fahrweise durch eine zu hohe oder zu niedrige Fahrzeuggeschwin­ digkeit, durch unötige Beschleunigungs- und Bremsmanöver, Spur­ wechsel, etc. bewirken.Such field of vision restrictions both lead to deficiency Information about the traffic on the front of the driver lying sections of the route. This can be an inappropriate Driving style due to vehicle speed being too high or too low due to unnecessary acceleration and braking maneuvers, lane change, etc.

Das vorgeschlagene Assistenzsystem trägt zum einen zu einer Vermeidung dieser Informationslücken bei und empfiehlt zum anderen eine auf die Verkehrssituation und die Streckenführung der vor dem Fahrer liegenden Streckenabschnitte angepaßte Fahrweise bezüglich der Geschwindigkeit, Überholmanöver, Spur­ wahl, etc. In einer alternativen Ausgestaltung der Erfindung kann das Assistenzsystem auch direkt in automatische Kontroll­ systeme des Fahrzeuges eingreifen, wie z. B. in einen Tempomat oder in ein automatisches Abstandhaltungssystem.The proposed assistance system contributes to one Avoidance of these information gaps and recommends to another one on the traffic situation and the route the route section in front of the driver adapted Driving style regarding speed, overtaking, lane choice, etc. In an alternative embodiment of the invention the assistance system can also be set directly in automatic control intervene systems of the vehicle, such as. B. in a cruise control or in an automatic spacing system.

Zur Ermittlung des Verkehrszustandes auf einem vorausliegenden Streckenabschnitt werden von dem erfindungsgemäßen Assistenz­ system Verkehrs- und Fahrzeugdaten aus den nachfolgend aufge­ listeten Quellen verarbeitet. GPS-Navigationsystem, Floating Car Data, Extended Floating Car Data und Digitale Straßenkarte.To determine the traffic condition on a road ahead Route section are from the assistance according to the invention system traffic and vehicle data from the following listed sources processed. GPS navigation system, floating Car data, extended floating car data and digital road map.

Die erfindungsgemäße Lösung ermöglicht ein vorteilhaftes Fahr­ erhalten und eine vorteilhafte Fahrstrategie und ermöglicht damit eine Optimierung der Verkehrssicherheit, des Fahrkomforts und der Ressourcenschonung.The solution according to the invention enables advantageous driving get and an advantageous driving strategy and enables thus optimizing traffic safety and driving comfort and resource conservation.

Nachstehend wird ein Ausführungsbeispiel der Erfindung näher beschrieben.An embodiment of the invention will now be described described.

Der Fahrer meldet mit einem Mobiltelefon bei einer Verkehrs­ zentrale, dass er gerne seine Fahrstrategie auf dem Weg von einem Ort A nach einem Ort B auf die Verkehrs- und Strecken­ verhältnisse abstimmen möchte. Alternativ dazu kann diese Meldung auch mit beliebig anderen, geeigneten Sendemitteln über Funk erfolgen.The driver uses a mobile phone to report traffic central that he likes his driving strategy on the way from a place A after a place B on the traffic and routes want to coordinate conditions. Alternatively, this message can  also with any other suitable transmitter via radio respectively.

Die Verkehrszentrale ermittelt alle relevanten Daten der vor dem Fahrer liegenden Streckenabschnitte. Dazu zählen Daten über die Streckenführung, die Positionen und Fahrmerkmale aller in Fahrtrichtung fahrenden fremden Fahrzeuge und des anrufenden Fahrzeuges. Zur Datenermittlung werden bekannte Erfassungs­ systeme, wie GPS-Satelliten-Navigationssysteme, FCD- und X- FCD-Systeme sowie digitale Straßenkarten eingesetzt. Mit den FCD-Systemen (Floating Car Data) werden Verkehrsflußdaten erfasst. Mit den X-FCD-Systemen (Extended Floating Car Data) werden diverse andere Betriebszustände der Fahrzeuge erfasst, die zusätzlich Auskunft über Fahrzeugtypen und das Verkehrs­ verhalten der Fahrzeuge geben können, wie z. B. Blinkerbetä­ tigungen, Abstände, Beschleunigungs- und Bremsverhalten, indi­ viduelle und kollektive Bewegungszustände, etc.The traffic center determines all relevant data from the sections of the route lying to the driver. This includes data about the route, the positions and driving characteristics of all in The direction of travel of other vehicles and the calling party Vehicle. Known acquisition methods are used for data acquisition systems, such as GPS satellite navigation systems, FCD and X FCD systems and digital road maps are used. With the FCD (Floating Car Data) systems become traffic flow data detected. With the X-FCD systems (Extended Floating Car Data) various other operating states of the vehicles are recorded, the additional information about vehicle types and traffic behavior of the vehicles can give such. B. Blinkerbetä attitudes, distances, acceleration and braking behavior, indi visual and collective states of motion, etc.

Diese Daten werden in der Verkehrszentrale rechnerunterstützt analysiert und es wird aus dieser Analyse eine der Verkehrs- und Streckensituation gerecht werdende, optimale Fahrstrategie für das anrufende Fahrzeug abgeleitet. Die ermittelte Fahrstra­ tegie enthält im wesentlichen Empfehlungen zur einzuhaltenden Geschwindigkeit, Beschleunigung, Abstand zum Vordermann und zur Spurwahl.This data is computer-supported in the traffic control center analyzed and from this analysis one of the traffic and optimal driving strategy that meets the route situation derived for the calling vehicle. The determined route strategy essentially contains recommendations for compliance Speed, acceleration, distance to the person in front and to Track selection.

Die Empfehlungen für eine optimale Geschwindigkeit sind darauf ausgerichtet, auf möglichst unnötige Beschleunigungs- und Bremsvorgänge zu verzichten und dennoch bei der aktuellen Ver­ kehrssituation das Ziel schnellstmöglich, sicher und stressfrei erreichen zu können. Es hat sich erwiesen, dass kurzfristige Geschwindigkeitsspitzen ab einer bestimmten Verkehrsdichte keinen oder nur einen geringen Zeitgewinn einbringen. Sie bedeuten aber mit ständigen Beschleunigungs- und Bremsvorgängen eine erhöhte Fahrerbelastung, verminderte Sicherheit, vermin­ dertes Komfortniveau und einen erhöhten Benzinverbrauch. The recommendations for optimal speed are on it geared towards unnecessary acceleration and To forego braking and still with the current ver the situation as quickly as possible, safely and stress-free to be able to achieve. It has been shown to be short term Speed peaks above a certain traffic density bring little or no time savings. she but mean with constant acceleration and braking an increased driver load, reduced safety, min the latest level of comfort and increased petrol consumption.  

Die so ermittelten Werte zur Fahrstrategie werden von der Ver­ kehrszentrale als Empfehlungen auf ein Display des anrufenden Fahrzeuges gesendet und/oder ihm akustisch mit einem Lautsprecher übermittelt.The values for the driving strategy determined in this way are used by the Ver traffic center as recommendations on a display of the calling Vehicle sent and / or acoustically with him Speaker transmitted.

Zum Beispiel kann aus der von Verkehrszentrale erfassten Situation, dass voraus LKWs mit Blinkerbetätigung fahren dem Fahrer die Empfehlung signalisiert werden, auf Beschleuni­ gungsmaßnahmen zu verzichten und gegebenenfalls die eigene Geschwindigkeit zu reduzieren.For example, from the traffic control center Situation that trucks with turn signal actuation drive ahead Driver's recommendation to be signaled on accelerator to refrain from measures and, if necessary, your own Reduce speed.

Alternativ dazu können auf Wunsch des anrufenden Fahrers auch gesendete Steuersignale der Verkehrszentrale direkt in fahr­ zeuginterne Kontrollsysteme eingreifen, wie z. B. in einen Tempomat oder in ein automatisches Abstandhaltungssystem, um die optimale Fahrstrategie automatisch ohne eine Mitwirkung des Fahrers auszuführen.Alternatively, at the request of the calling driver, too control signals sent by the traffic control center directly in driving intervene in control systems, such as B. in one Cruise control or in an automatic spacing system to the optimal driving strategy automatically without the involvement of Driver.

Anstelle der Verkehrszentrale kann auch über Funk in dem Fahr­ zeug des Systemnutzers eine direkte Erfassung der Daten der vorausfahrenden Fahrzeugen mit dem Bordrechner erfolgen und der Bordrechner kann unter Berücksichtigung des per GPS ermittelten Standortes und einer im Bordrechner abgespeicherten digitalen Straßenkarte die optimale Fahrstrategie ermitteln und auf einem Display und/oder Lautsprecher ausgeben, oder in die fahrzeugin­ ternen Kontrollsysteme eingreifen.Instead of the traffic center, radio can also be used in the vehicle the system user witnesses a direct acquisition of the data of the vehicles in front take place with the on-board computer and the On-board computer can take into account that determined by GPS Location and a digital stored in the on-board computer Road map determine the optimal driving strategy and on one Output display and / or loudspeaker, or in the vehicle intervene in the control systems.

Claims (5)

1. Fahrerunterstützendes Assistenzsystem unter Einbeziehung von GPS-Daten zur Ermittlung des aktuellen Fahrzeugortes und digi­ talen Straßenkarten zur Erfassung der örtlichen Straßenführung und einer Ausgabe von rechnerunterstützt ermittelten Fahremp­ fehlungen an den aufrufenden Systemnutzer, dadurch gekennzeich­ net, dass zur Berechnung der Fahrempfehlungen FCD-Daten und X-FCD-Daten zur Erfassung der eigenen Fahrsituation und der vorausliegenden Verkehrssituation berücksichtigt werden.1.Driver-supporting assistance system including GPS data to determine the current vehicle location and digital road maps to record the local road layout and output computer-aided driving recommendations to the calling system user, characterized in that FCD data and to calculate the driving recommendations X-FCD data for recording your own driving situation and the traffic situation ahead are taken into account. 2. Assistenzsystem nach Patentanspruch 1, dadurch gekennzeich­ net, dass die Fahrempfehlungen Hinweise zu einer auf die Ver­ kehrssituation und Streckenführung angepassten optimalen Geschwindigkeit, Beschleunigungsausführung, Abstandshaltung zum Vordermann und Spurwahl enthalten können.2. assistance system according to claim 1, characterized net that the driving recommendations indicate a reference to the ver optimal traffic situation and route Speed, acceleration execution, spacing to Front man and lane selection can contain. 3. Assistenzsystem nach Patentanspruch 1 oder 2, dadurch gekennzeichnet, dass die Fahrempfehlungen auf Wunsch des Fahrers in Steuerbefehle umgeformt sind, die direkt in fahr­ zeuginterne Kontrollsysteme, wie z. B. einem Tempomat oder einem Abstandhaltungssystem, eingreifen.3. assistance system according to claim 1 or 2, characterized characterized that the driving recommendations at the request of the Driver are transformed into control commands that are directly in driving internal control systems, such as B. a cruise control or Spacing system, intervene. 4. Assistenzsystem nach einem der Patentansprüche 1 bis 3, dadurch gekennzeichnet, dass die rechnerunterstützte Ermittlung der Fahrempfehlungen nach einem Anruf des Systemnutzers in einer Verkehrszentrale erfolgt und dass die ermittelten Fahrempfehlungen, ggf. die Steuerbefehle, über Funk an den Systemnutzer übermittelt werden.4. assistance system according to one of claims 1 to 3, characterized in that the computer-aided determination the driving recommendations after calling the system user in a traffic center and that the determined Driving recommendations, possibly the control commands, via radio to the System users are transmitted. 5. Assistenzsystem nach einem der Patentansprüche 1 bis 3, dadurch gekennzeichnet, dass die Erfassung sämtlicher Daten und die Ermittlung der Fahrempfehlungen auf einem Bordrechner des Systemnutzers erfolgen.5. assistance system according to one of claims 1 to 3,  characterized in that the collection of all data and the determination of the driving recommendations on an on-board computer of the system user.
DE2000129816 2000-06-16 2000-06-16 Driver assistance system Ceased DE10029816A1 (en)

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Application Number Priority Date Filing Date Title
DE2000129816 DE10029816A1 (en) 2000-06-16 2000-06-16 Driver assistance system
PCT/EP2001/006184 WO2001097196A1 (en) 2000-06-16 2001-05-31 Driver-assistance system

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DE10029816A1 true DE10029816A1 (en) 2002-01-03

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