EP1956558A2 - Early warning system for preventative recognition and correction of defects in automobiles - Google Patents

Early warning system for preventative recognition and correction of defects in automobiles Download PDF

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Publication number
EP1956558A2
EP1956558A2 EP08150210A EP08150210A EP1956558A2 EP 1956558 A2 EP1956558 A2 EP 1956558A2 EP 08150210 A EP08150210 A EP 08150210A EP 08150210 A EP08150210 A EP 08150210A EP 1956558 A2 EP1956558 A2 EP 1956558A2
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EP
European Patent Office
Prior art keywords
early warning
central computer
warning system
data
vehicle
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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.)
Withdrawn
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EP08150210A
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German (de)
French (fr)
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EP1956558A3 (en
Inventor
Paul Lanz
Albrecht Schenk
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ZF Friedrichshafen AG
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ZF Friedrichshafen AG
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Publication date
Application filed by ZF Friedrichshafen AG filed Critical ZF Friedrichshafen AG
Publication of EP1956558A2 publication Critical patent/EP1956558A2/en
Publication of EP1956558A3 publication Critical patent/EP1956558A3/en
Withdrawn legal-status Critical Current

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    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C5/00—Registering or indicating the working of vehicles
    • G07C5/008—Registering or indicating the working of vehicles communicating information to a remotely located station
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C5/00—Registering or indicating the working of vehicles
    • G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
    • G07C5/0808—Diagnosing performance data

Definitions

  • the invention relates to an early warning system for the preventive detection and correction of defects in at least one vehicle according to the closer defined in the preamble of claim 1.
  • remote diagnostic systems is particularly known in modern motor vehicles provided with many electronic sensors and control units for measuring or controlling certain conditional parameters. These may be, for example, devices for engine and / or transmission control, anti-lock braking systems, electronic chassis control devices or the like.
  • a remote diagnosis system which consists of a local diagnostic unit on the vehicle and a stationary remote diagnosis unit.
  • a wireless data connection is established via communication interfaces, at least temporarily.
  • vehicle data can be viewed and evaluated by an operator.
  • control commands for changing certain state parameters to the control units of the vehicle and to execute them there.
  • Such control allows direct access to the vehicle's condition parameters so that vehicle operation can be largely controlled from the remote diagnostic unit.
  • an intervention on the vehicle by a trained trained operator is required for the preparation of the diagnostic process.
  • a remote diagnosis unit is known, which is designed as a portable processor system. This creates a mobile services center that can make the data exchange from and to the various functional units of a vehicle.
  • the present invention has for its object to present an early warning system, which can detect potential damage before their emergence and the damage can be avoided by intervention on the vehicle, the diagnostic process is performed automatically and the diagnostic data is transmitted in authenticity.
  • the object underlying the invention is achieved by a, including the characterizing features of the main claim exhibiting, generic early warning system for the preventive detection and correction of defects in vehicles
  • a data connection between a central computer and at least one vehicle is established by automatic calls of a central computer. These calls can be made, for example, according to a time sequence programmed in the central computer.
  • the connection is established for data transmission when the vehicle is in operation.
  • the data to be transmitted is transmitted via an interface without local buffering by a one-time transfer process in real time to the central computer.
  • a central computer establishes through automatic calls the connection to the diagnostic memories of the electronics integrated in the vehicles and thus networks an entire vehicle fleet.
  • the central computer evaluates the received data and stores it in a database. When pre-programmed limit values are exceeded, an alarm message is output via the central computer, which is forwarded to a technical center.
  • An operator of the technical center may then initiate physical interventions on the vehicles, which may prevent malfunction of, for example, vehicle control units or components. Furthermore, driving program data can be modified and flashed telemetrically into the corresponding control unit in the vehicle via the technical center. This leads to a preventive avoidance of damage in the vehicle fleet due to errors or damage occurring in the individual vehicle. If several vehicles are equipped with the early warning system according to the invention, the vehicles are networked with each other by the automatic calls of the central computer, whereby a vehicle fleet is created whose vehicle data can be evaluated by the central computer.
  • the solution according to the invention allows multiple vehicle fleets and several central computers to be networked with each other, wherein an evaluation of the data of the individual networked central computer can be done via another server, which in addition to the preventive service for a fleet and the statistical detection and tracking of damage patterns across fleets. This allows preventive interventions in the vehicles before the first indications of the vehicle electronics can report this.
  • Fig. 1 shows an inventive early warning system for a vehicle fleet 6.
  • a data connection between the central computer 4 and a vehicle 1 is established.
  • the diagnostic data is transmitted via an interface 2 without local buffering by a mobile phone, Pocket PC, PDA, Smartphone or similar handhelds 3 in real time to the central computer 4.
  • the central computer 4 evaluates the received data and sends when exceeding pre-programmed limits an alarm message to a technical center 5. From the technical center 5 of an operator can cause physical interference with the vehicle 1 and thereby prevent malfunction. Furthermore, the technical center 5 can modify driving program data and transmit it telemetrically into the control unit of the vehicle 1.
  • Fig. 2 shows an inventive early warning system, which is networked by another level and thus includes several vehicle fleets 6 and a plurality of central computer 4, which are operated for example in different countries.
  • the evaluation of data in an alarm message of each networked central computer 4 via a central server 7, which in addition to the preventive service for a fleet of vehicles 6 and the statistical detection and tracking of damage patterns across fleets is possible. Preventive interventions in the vehicle 1 are thus possible before first indications in the vehicle electronics are detected. As a result, damage occurring in one vehicle fleet can already be avoided in the run-up to other vehicle fleets 6.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Traffic Control Systems (AREA)
  • Alarm Systems (AREA)

Abstract

The system has a central computer (4) establishing a connection to a diagnostic memory of vehicle e.g. bus, electronics by automatic calls. The central computer has a local communication interface for a handheld device (3) e.g. mobile telephone. Data is transmitted via the interface without local intermediate memory by a unique transmission process in real time. The central computer automatically evaluates the transferred data, and transmits an alarm message to a technical centre (5) during exceeding of pre-programmed limit values.

Description

Die Erfindung betrifft ein Frühwarnsystem zur präventiven Erkennung und Korrektur von Mängeln in wenigstens einem Fahrzeug nach der im Oberbegriff von Anspruch 1 näher definierten Art.The invention relates to an early warning system for the preventive detection and correction of defects in at least one vehicle according to the closer defined in the preamble of claim 1.

Der Einsatz von Ferndiagnosesystemen ist insbesondere bei modernen Kraftfahrzeugen, die mit vielen elektronischen Sensoren und Steuereinheiten zur Messung oder Steuerung bestimmter Zustandsparameter versehen sind, bekannt. Es kann sich dabei beispielsweise um Einrichtungen zur Motor- und/oder Getriebesteuerung, Antiblocklersysteme, elektronische Fahrwerksregeleinrichtungen oder ähnliches handeln.The use of remote diagnostic systems is particularly known in modern motor vehicles provided with many electronic sensors and control units for measuring or controlling certain conditional parameters. These may be, for example, devices for engine and / or transmission control, anti-lock braking systems, electronic chassis control devices or the like.

Aus der DE 19933334 A1 ist ein Ferndiagnosesystem bekannt, welches aus einer lokalen Diagnoseeinheit am Fahrzeug und einer stationären Ferndiagnoseeinheit besteht. Zur Kommunikation der beiden Diagnoseeinheiten wird über Kommunikationsschnittstellen, zumindest zeitweise, eine drahtlose Datenverbindung aufgebaut. Über die Benutzerschnittstelle der Ferndiagnoseeinheit lassen sich Fahrzeugdaten von einer Bedienungsperson sichten und auswerten. Außerdem besteht über die Benutzerschnittstelle der Ferndiagnoseeinheit auch die Möglichkeit, Steuerbefehle zur Änderung bestimmter Zustandsparameter an die Steuereinheiten des Fahrzeugs zu senden und dort auszuführen. Eine solche Ansteuerung gestattet einen direkten Zugriff auf die Zustandsparameter des Fahrzeugs, so dass der Fahrzeugbetrieb weitgehend von der Ferndiagnoseeinheit aus gesteuert werden kann. Fü die Vorbereitung des Diagnosevorgangs ist allerdings ein Eingriff am Fahrzeug durch eine entsprechend geschulte Bedienungsperson erforderlich.From the DE 19933334 A1 a remote diagnosis system is known, which consists of a local diagnostic unit on the vehicle and a stationary remote diagnosis unit. To communicate the two diagnostic units, a wireless data connection is established via communication interfaces, at least temporarily. Via the user interface of the remote diagnosis unit, vehicle data can be viewed and evaluated by an operator. In addition, via the user interface of the remote diagnosis unit, it is also possible to send control commands for changing certain state parameters to the control units of the vehicle and to execute them there. Such control allows direct access to the vehicle's condition parameters so that vehicle operation can be largely controlled from the remote diagnostic unit. For the preparation of the diagnostic process, however, an intervention on the vehicle by a trained trained operator is required.

Aus der DE 10329520 A1 ist eine Ferndiagnoseeinheit bekannt, welche als transportables Prozessorsystem ausgeführt ist. Hierdurch entsteht eine mobile Dienste-Zentrale, die den Datenaustausch von und zu den diversen Funktionseinheiten eines Fahrzeuges vornehmen kann.From the DE 10329520 A1 a remote diagnosis unit is known, which is designed as a portable processor system. This creates a mobile services center that can make the data exchange from and to the various functional units of a vehicle.

Bei den aus dem Stand der Technik bekannten Frühwarnsystemen wird erst nach dem Auftreten zumindest einer Fehlfunktion auf diese reagiert und der Schaden am Fahrzeug ermittelt bzw. beseitigt. Außerdem muß der Diagnosevorgang durch einen Eingriff einer Bedienungsperson vorbereitet werden.In the early warning systems known from the prior art, only after the occurrence of at least one malfunction is reacted to them and the damage to the vehicle is determined or eliminated. In addition, the diagnostic operation must be prepared by an intervention of an operator.

Der vorliegenden Erfindung liegt die Aufgabe zugrunde, ein Frühwarnsystem darzustellen, welches potentielle Schäden vor ihrem Entstehen erkennen kann und die Schäden durch Eingriffe am Fahrzeug vermieden werden können, wobei der Diagnosevorgang automatisch ausgeführt wird und die Diagnosedaten in Echtheit übertragen werden.The present invention has for its object to present an early warning system, which can detect potential damage before their emergence and the damage can be avoided by intervention on the vehicle, the diagnostic process is performed automatically and the diagnostic data is transmitted in authenticity.

Die der Erfindung zugrunde liegende Aufgabe wird durch ein, auch die kennzeichnenden Merkmale des Hauptanspruchs aufweisendes, gattungsgemäßes Frühwarnsystem zur präventiven Erkennung und Korrektur von Mängeln in Fahrzeugen gelöstThe object underlying the invention is achieved by a, including the characterizing features of the main claim exhibiting, generic early warning system for the preventive detection and correction of defects in vehicles

Bei dem erfindungsgemäßen Frühwarnsystem wird durch automatische Anrufe eines Zentralrechners eine Datenverbindung zwischen einem Zentralrechner und mindestens einem Fahrzeug aufgebaut. Diese Anrufe können beispielsweise nach einer im Zentralrechner programmierten Zeitabfolge ausgeführt werden. Vorzugsweise wird die Verbindung zur Datenübertragung hergestellt, wenn sich das Fahrzeug im Betrieb befindet. Die zu übertragenden Daten werden über ein Interface ohne lokale Zwischenspeicherung durch einen einmaligen Übertragungsvorgang in Echtzeit an den Zentralrechner übermittelt. Ein Zentralrechner stellt durch automatische Anrufe die Verbindung zu den Diagnosespeichern der in den Fahrzeugen integrierten Elektroniken her und vernetzt somit eine gesamte Fahrzeugflotte. Der Zentralrechner wertet die empfangenen Daten aus und speichert diese in einer Datenbank ab. Beim Überschreiten von vorprogrammierten Grenzwerten wird über den Zentralrechner eine Alarmmeldung ausgegeben, welche an eine technische Zentrale weitergeleitet wird. Eine Bedienungsperson der technischen Zentrale kann daraufhin physische Eingriffe an den Fahrzeugen auslösen, wodurch Fehlfunktionen von beispielsweise Fahrzeugsteuereinheiten oder -komponenten verhindert werden können. Weiterhin können über die technische Zentrale Fahrprogrammdaten modifiziert und telemetrisch in das entsprechende Steuergerät im Fahrzeug geflasht werden. Dies führt zu einer vorbeugenden Vermeidung von Schadensfällen in der Fahrzeugflotte aufgrund von aufgetretenen Fehlern oder Schäden im Einzelfahrzeug. Sind mehrere Fahrzeuge mit dem erfindungsgemäßen Frühwarnsystem ausgerüstet, werden die Fahrzeuge durch die automatischen Anrufe des Zentralrechners untereinander vernetzt, wodurch eine Fahrzeugflotte entsteht, deren Fahrzeugdaten durch den Zentralrechner ausgewertet werden können. Weiterhin können durch die erfindungsgemäße Lösung mehrere Fahrzeugflotten und mehrere Zentralrechner miteinander vernetzt werden, wobei eine Auswertung der Daten der einzelnen vernetzten Zentralrechner über einen weiteren Server erfolgen kann, wodurch neben dem Präventivservice für eine Fahrzeugflotte auch die statistische Erkennung und Verfolgung von Schadensmustern flottenübergreifend erfolgt. Damit werden Präventiveingriffe in den Fahrzeugen ermöglicht, bevor erste Indikationen der Fahrzeugelektroniken dies melden können.In the early warning system according to the invention, a data connection between a central computer and at least one vehicle is established by automatic calls of a central computer. These calls can be made, for example, according to a time sequence programmed in the central computer. Preferably, the connection is established for data transmission when the vehicle is in operation. The data to be transmitted is transmitted via an interface without local buffering by a one-time transfer process in real time to the central computer. A central computer establishes through automatic calls the connection to the diagnostic memories of the electronics integrated in the vehicles and thus networks an entire vehicle fleet. The central computer evaluates the received data and stores it in a database. When pre-programmed limit values are exceeded, an alarm message is output via the central computer, which is forwarded to a technical center. An operator of the technical center may then initiate physical interventions on the vehicles, which may prevent malfunction of, for example, vehicle control units or components. Furthermore, driving program data can be modified and flashed telemetrically into the corresponding control unit in the vehicle via the technical center. This leads to a preventive avoidance of damage in the vehicle fleet due to errors or damage occurring in the individual vehicle. If several vehicles are equipped with the early warning system according to the invention, the vehicles are networked with each other by the automatic calls of the central computer, whereby a vehicle fleet is created whose vehicle data can be evaluated by the central computer. Furthermore, the solution according to the invention allows multiple vehicle fleets and several central computers to be networked with each other, wherein an evaluation of the data of the individual networked central computer can be done via another server, which in addition to the preventive service for a fleet and the statistical detection and tracking of damage patterns across fleets. This allows preventive interventions in the vehicles before the first indications of the vehicle electronics can report this.

Im folgenden wird die Erfindung anhand der in den Figuren dargestellten Ausführungsbeispielen näher erläutert.
Es zeigen:

Fig. 1
ein Frühwarnsystem gemäß der vorliegenden Erfindung für eine Fahrzeugflotte und
Fig. 2
ein Frühwarnsystem gemäß der vorliegenden Erfindung für mehrere miteinander vernetzte Fahrzeugflotten.
In the following the invention will be explained in more detail with reference to the embodiments illustrated in FIGS.
Show it:
Fig. 1
an early warning system according to the present invention for a vehicle fleet and
Fig. 2
an early warning system according to the present invention for several interconnected vehicle fleets.

Fig. 1 zeigt ein erfindungsgemäßes Frühwarnsystem für eine Fahrzeugflotte 6. Durch automatische Anrufe eines Zentralrechners 4 wird eine Datenverbindung zwischen dem Zentralrechner 4 und einem Fahrzeug 1 aufgebaut. Die Diagnosedaten werden über ein Interface 2 ohne lokale Zwischenspeicherung durch ein Mobiltelefon, Pocket-PC, PDA, Smartphone oder vergleichbare Handhelds 3 in Echtzeit zum Zentralrechner 4 übermittelt. Der Zentralrechner 4 wertet die empfangenen Daten aus und sendet bei Überschreitung von vorprogrammierten Grenzwerten eine Alarmmeldung an eine technische Zentrale 5. Von der technischen Zentrale 5 aus kann eine Bedienungsperson physische Eingriffe am Fahrzeug 1 auslösen und dadurch Fehlfunktionen verhindern. Ferner kann die technische Zentrale 5 Fahrprogrammdaten modifizieren und telemetrisch in das Steuergerät des Fahrzeugs 1 übertragen. Fig. 1 shows an inventive early warning system for a vehicle fleet 6. By automatic calls of a central computer 4, a data connection between the central computer 4 and a vehicle 1 is established. The diagnostic data is transmitted via an interface 2 without local buffering by a mobile phone, Pocket PC, PDA, Smartphone or similar handhelds 3 in real time to the central computer 4. The central computer 4 evaluates the received data and sends when exceeding pre-programmed limits an alarm message to a technical center 5. From the technical center 5 of an operator can cause physical interference with the vehicle 1 and thereby prevent malfunction. Furthermore, the technical center 5 can modify driving program data and transmit it telemetrically into the control unit of the vehicle 1.

Fig. 2 zeigt ein erfindungsgemäßes Frühwarnsystem, welches durch eine weitere Ebene vernetzt wird und somit mehrere Fahrzeugflotten 6 und mehrere Zentralrechner 4 umfaßt, welche beispielsweise in verschiedenen Ländern betrieben werden. Die Auswertung von Daten bei einer Alarmmeldung der einzelnen vernetzten Zentralrechner 4 erfolgt über einen zentralen Server 7, wodurch neben dem Präventivservice für eine Fahrzeugflotte 6 auch die statistische Erkennung und Verfolgung von Schadensmustern flottenübergreifend möglich ist. Damit sind Präventiveingriffe im Fahrzeug 1 möglich, bevor erste Indikationen in der Fahrzeugelektronik erkannt werden. Dadurch können Schadensfälle, die in einer Fahrzeugflotte entstehen, bereits im Vorfeld bei anderen Fahrzeugflotten 6 vermieden werden. Fig. 2 shows an inventive early warning system, which is networked by another level and thus includes several vehicle fleets 6 and a plurality of central computer 4, which are operated for example in different countries. The evaluation of data in an alarm message of each networked central computer 4 via a central server 7, which in addition to the preventive service for a fleet of vehicles 6 and the statistical detection and tracking of damage patterns across fleets is possible. Preventive interventions in the vehicle 1 are thus possible before first indications in the vehicle electronics are detected. As a result, damage occurring in one vehicle fleet can already be avoided in the run-up to other vehicle fleets 6.

Bezugszeichenreference numeral

11
Fahrzeugvehicle
22
Interfaceinterface
33
Mobiltelefonmobile phone
44
Zentralrechnermainframe
55
technische Zentraletechnical headquarters
66
Fahrzeugflottefleet
77
Serverserver

Claims (4)

Frühwarnsystem zur präventiven Erkennung und Korrektur von Mängeln in Fahrzeugen (1), bestehend aus einer lokalen Diagnoseeinheit und einer Ferndiagnoseeinheit, wobei über Kommunikationsschnittstellen eine drahtlose Datenverbindung aufgebaut wird und die von der Ferndiagnoseeinheit empfangenen Daten der lokalen Diagnoseeinheit ausgewertet werden, dadurch gekennzeichnet, dass ein Zentralrechner (4) durch automatische Anrufe die Verbindung zu den Diagnosespeichern der Fahrzeugelektroniken herstellt, die lokale Kommunikationsschnittstelle aus einem Mobiltelefon, Pocket-PC, PDA, Smartpohne oder vergleichbaren Handhelds (3) besteht, wobei die zu übertragenden Daten über ein Interface ohne lokale Zwischenspeicherung durch einen einmaligen Übertragungsvorgang in Echtzeit übermittelt werden und der Zentralrechner (4) die übertragenen Daten automatisch auswertet und beim Überschreiten von vorprogrammierten Grenzwerten eine Alarmmeldung an eine technische Zentrale (5) weiterleitet.Early warning system for the preventive detection and correction of defects in vehicles (1), consisting of a local diagnostic unit and a remote diagnosis unit, wherein a wireless data connection is established via communication interfaces and the data received from the remote diagnosis unit data of the local diagnostic unit are evaluated, characterized in that a central computer (4) connects to the diagnostic memories of the vehicle electronics by automatic calls, the local communication interface of a mobile phone, Pocket PC, PDA, Smartpohne or similar handhelds (3), wherein the data to be transmitted via an interface without local caching by a one-time transmission process are transmitted in real time and the central computer (4) automatically evaluates the transmitted data and for exceeding preprogrammed limits an alarm message to a technical center (5) forwards. Frühwarnsystem nach Anspruch 1, dadurch gekennzeichnet, dass das Frühwarnsystem mehrere Fahrzeugflotten (6) und mehrere Zentralrechner (4) umfaßt.Early warning system according to claim 1, characterized in that the early warning system comprises a plurality of vehicle fleets (6) and a plurality of central computers (4). Frühwarnsystem nach Anspruch 2, dadurch gekennzeichnet, dass die Auswertung der empfangenen Daten der einzelnen vernetzten Zentralrechner (4) über einen Server (7) erfolgt.Early warning system according to claim 2, characterized in that the evaluation of the received data of the individual networked central computer (4) via a server (7). Frühwarnsystem nach Anspruch 1, dadurch gekennzeichnet, dass die automatischen Anrufe nach einer im Zentralrechner (4) programmierten Zeitabfolge ausgeführt werden,Early warning system according to claim 1, characterized in that the automatic calls are executed according to a time sequence programmed in the central computer (4),
EP08150210A 2007-02-08 2008-01-14 Early warning system for preventive recognition and correction of defects in vehicles Withdrawn EP1956558A3 (en)

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DE200710006227 DE102007006227A1 (en) 2007-02-08 2007-02-08 Early warning system for the preventive detection and correction of defects in vehicles

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EP1956558A2 true EP1956558A2 (en) 2008-08-13
EP1956558A3 EP1956558A3 (en) 2011-11-23

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DE102007006227A1 (en) 2008-08-14

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