EP1442277A1 - Procede de realisation d'un telediagnostic sur un vehicule automobile, module de diagnostic de vehicule et centre de services - Google Patents

Procede de realisation d'un telediagnostic sur un vehicule automobile, module de diagnostic de vehicule et centre de services

Info

Publication number
EP1442277A1
EP1442277A1 EP02754355A EP02754355A EP1442277A1 EP 1442277 A1 EP1442277 A1 EP 1442277A1 EP 02754355 A EP02754355 A EP 02754355A EP 02754355 A EP02754355 A EP 02754355A EP 1442277 A1 EP1442277 A1 EP 1442277A1
Authority
EP
European Patent Office
Prior art keywords
diagnostic
vehicle
service center
data
mechanisms
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.)
Withdrawn
Application number
EP02754355A
Other languages
German (de)
English (en)
Inventor
Thomas Sonnenrein
Michael Laedker
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP1442277A1 publication Critical patent/EP1442277A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M17/00—Testing of vehicles
    • G01M17/007—Wheeled or endless-tracked vehicles
    • 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

Definitions

  • the invention relates to a method for carrying out remote diagnosis in a motor vehicle, comprising the following steps:
  • the invention relates to a vehicle diagnostic module, in particular for use in the method according to the invention, which is designed to determine, after initialization of a remote diagnosis, diagnostic data as a function of diagnostic mechanisms and / or diagnostic parameters available in the vehicle at the time of diagnostic data determination are provided to be transferred at least partially to an external service center for evaluation.
  • the invention also relates to a service center, in particular for use in the method according to the invention, which is designed to evaluate diagnostic data transmitted by a vehicle via a radio link.
  • the known motor vehicle diagnostic systems have a user interface, which in usually in the form of a screen and a keyboard. Furthermore, the known motor vehicle diagnostic systems are equipped with different motor vehicle adapters in order to be able to establish a suitable connection with the motor vehicle. If this connection is a wired connection, the corresponding motor vehicle must be arranged locally adjacent to the motor vehicle diagnostic system.
  • a device for carrying out vehicle tests is already known from DE 44 46 512 AI, in which the connection of the motor vehicle diagnosis / test plug is not connected via a cable to a motor vehicle diagnosis system present in the workshop, but via one Telephone arranged in the motor vehicle itself, so that the diagnosis data can be transmitted via the mobile radio network.
  • the diagnostic mechanisms and / or the diagnostic parameters are used for the determination; of diagnostic data are used, stored permanently in the vehicle and / or in the service center or in the vehicle diagnostic system.
  • the necessary instructions for example when using new vehicle components
  • the diagnostic mechanisms and / or the diagnostic parameters are therefore complex.
  • the method according to the invention builds on the generic state of the art in that the diagnostic mechanisms and / or the diagnostic parameters are at least partially transmitted from the service center to the vehicle when performing method step a). Since all of the diagnostic mechanisms and / or diagnostic parameters required for the individual vehicle type are preferably only transferred from the service center to the motor vehicle at the beginning of remote diagnosis, the diagnostic data in the vehicle can always be determined on the basis of current diagnostic mechanisms and / or diagnostic parameters. With the method according to the invention, it is no longer necessary to bring the vehicle to a specialist workshop for a software update if the diagnostic mechanisms and / or the diagnostic parameters are to be changed. The same applies if the vehicle is equipped with new components, for example with new control units.
  • the method according to the invention makes it possible, for example, for type-independent diagnostic modules to be integrated into a wide variety of vehicles or terminal devices, which enables the realization of large numbers of items and a standardization of the remote diagnostic method.
  • the method according to the invention can be used independently of the respective data transmission method and the respective data transmission speed.
  • Parts of the diagnostic mechanisms and / or the diagnostic parameters can possibly already be stored in the vehicle, depending on the vehicle type, during vehicle manufacture or the manufacture of the vehicle diagnostic module.
  • method step b) is carried out by the interaction of a diagnostic module with a control and / or regulating device.
  • the diagnostic module can be, in particular, a universal diagnostic module that can be installed in a wide variety of motor vehicle types, possibly also subsequently. Because the respectively suitable diagnostic mechanisms and / or diagnostic parameters are transmitted from the service center to the diagnostic module for the purpose of remote diagnosis, for example via a mobile radio interface assigned to the motor vehicle or to the diagnostic module, the diagnostic module can be transmitted to the one provided in the respective motor vehicle Control and / or regulating device can be adapted.
  • a preferred development of the method according to the invention provides that method step a) u - includes that vehicle identification data from the vehicle ten to the service center, which are used in the service center to determine suitable diagnostic mechanisms and / or suitable diagnostic parameters.
  • method step b) is carried out after a diagnostic command has been transmitted from the service center to the vehicle.
  • time-critical diagnostic processes can be configured and controlled or triggered from the outside, which is preferably the case when all the necessary diagnostic mechanisms and / or diagnostic parameters have been successfully transmitted to the vehicle or to the diagnostic module.
  • the data transmission between the vehicle and the service center takes place via a radio connection, in particular via a mobile radio connection. Due to the decoupling of local pre-diagnosis in the vehicle and the evaluation of the diagnostic data, which can possibly include operating data, in the service center, the implementation of the method according to the invention is independent of the specific transmission experience and the transmission speed.
  • data transmission can be implemented via GSM-SMS, the GSM data channel, WAP or GPRS.
  • GSM-SMS GSM-SMS
  • WAP Wireless Fidelity
  • GPRS Global System for Mobile communications
  • other mobile radio standards are also conceivable, for example UMTS.
  • the data transmitted to the vehicle via the radio connection must be converted appropriately before, for example, one Vehicle bus or a vehicle network are forwarded.
  • method step b) and / or c) it may be necessary or advantageous for method step b) and / or c) to be carried out several times depending on diagnostic mechanisms and / or diagnostic parameters transmitted again by the external service center. For example, to narrow down a fault, it may be advantageous if, after the evaluation of diagnostic data already transmitted from the vehicle to the service center, further diagnostic mechanisms and / or diagnostic parameters dependent on the result of the evaluation are transmitted to the vehicle or to the diagnostic module.
  • the vehicle diagnostic module according to the invention builds on the generic state of the art in that it has an interface which is provided to receive the diagnostic mechanisms and / or the diagnostic parameters at least partially from the external service center when initializing the remote diagnosis. This makes it possible, in particular, to use identical vehicle diagnostic modules for different types of motor vehicles.
  • the vehicle diagnostic module can be formed, for example, by separate hardware and software, or it can be fully or partially integrated into other components, for example in telematics terminals such as driver information systems and car radios or in gateways, multimedia devices and so on. For the rest, reference is made to the corresponding statements in connection with the method according to the invention.
  • it determines the diagnostic data in cooperation with a control and / or regulating device.
  • the vehicle diagnostic module is only adapted and adjusted to the respective control and / or regulating devices (and / or other vehicle components) present in the vehicle when the remote diagnosis is initialized can then work with them to perform the diagnosis.
  • vehicle diagnostic module it initiates the transmission of vehicle identification data to the service center when the remote diagnosis is initialized, the vehicle identification data being provided to be used in the service center to determine suitable diagnostic mechanisms and / or suitable diagnostic parameters.
  • a preferred further development of the vehicle diagnostic module according to the invention provides that it triggers the determination of the diagnostic data after a diagnostic command has been transmitted from the service center to the vehicle.
  • time-critical diagnostic processes can be configured and controlled or triggered from the outside, which is preferably the case when all the necessary diagnostic mechanisms are involved and / or diagnostic parameters have been successfully transmitted to the vehicle or to the diagnostic module, similar to what has already been explained in connection with the method according to the invention.
  • the interface is designed to connect a radio device, in particular a mobile radio device.
  • the radio device does not have to be connected directly to the vehicle diagnostic module.
  • the radio is connected via a bus system that is already present in the vehicle, for example via a CAN bus system.
  • the interface of the vehicle diagnostic module can be used in addition to the connection of the radio, for example also for connecting the vehicle diagnostic module to a control and / or regulating device or other components present in the vehicle.
  • the vehicle diagnostic module has volatile memory means for storing diagnostic mechanisms and / or diagnostic parameters transmitted from the external service center. Since the diagnostic mechanisms and / or the diagnostic parameters are transferred from the service center to the motor vehicle when the remote diagnosis is initialized, these data do not have to be stored permanently in the motor vehicle, so that inexpensive volatile memory for intermediate Saving the respective diagnostic mechanisms and / or diagnostic parameters is sufficient.
  • the service center builds on the generic state of the art in that it has means which are designed to determine suitable diagnostic mechanisms and / or suitable diagnostic parameters on the basis of vehicle identification data transmitted by the vehicle and to use a radio link to connect them to transmit the vehicle, the diagnostic mechanisms and / or the diagnostic parameters being provided to be used in the vehicle to determine the diagnostic data.
  • the service center can be implemented, for example, by hardware and software known per se, for example by commercially available PCs which are equipped with an appropriate database and are connected to a mobile radio network. It is also possible for the processes in the service center to be controlled as a function of the particular vehicle type and / or of the respective user.
  • the radio connection is a mobile radio connection.
  • at least parts of the data transmission path to the motor vehicle to be provided by wired connections.
  • the service center is a mobile service center.
  • it can be arranged and / or used in a breakdown vehicle or the like, for example.
  • Figure 1 is a block diagram illustrating the interaction of an embodiment of the vehicle diagnostic module according to the invention with a service center according to the invention according to the inventive method;
  • Figure 2 is a flow diagram illustrating an embodiment of the method according to the invention.
  • FIG . 1 shows a block diagram which illustrates the interaction of an embodiment of the vehicle diagnostic module according to the invention with a service center according to the invention in accordance with the method according to the invention.
  • the components assigned to the vehicle are designated 28 overall, while the service center is provided with the reference number 20.
  • the service center 20 is assigned a mobile radio gateway 22, via which data can be exchanged with a large number of vehicles.
  • the vehicle network 18 can have, for example, a CAN bus to which a large number of components are connected.
  • FIG. 1 shows a vehicle-specific control and / or regulating device 10, an embodiment of the vehicle diagnostic module 12 according to the invention and a mobile radio gateway 16.
  • the vehicle diagnostic module 12 has an interface 14, for example a CAN bus interface, via which (among other things) data can be transmitted to the mobile radio gateway 16 of the motor vehicle 28 and thus to the service center 20, via which the assigned mobile radio gateway 22 If a remote diagnosis is to be carried out, for example at the driver's request, triggered by the vehicle 28 or triggered by the service center 20, vehicle identification data (not shown in FIG. 1) are first transmitted from the vehicle 28 to the service center 20. Using this vehicle identification data, the service center 20 determines suitable diagnostic mechanisms and / or diagnostic parameters 26 and transmits them to the motor vehicle 28, via the mobile radio gateways 16 and 22.
  • vehicle identification data (not shown in FIG. 1) are first transmitted from the vehicle 28 to the service center 20.
  • the service center 20 determines suitable diagnostic mechanisms and / or diagnostic parameters 26 and transmits them to the motor vehicle 28, via the mobile radio gateways 16 and 22.
  • diagnostic mechanisms and / or diagnostic parameters 26 are fed to the vehicle diagnostic module 12, via the interface 14 of which the vehicle diagnostic module 12 is equipped with a volatile memory 30, in which the diagnostic mechanisms and / or diagnostic parameters 26 can be stored temporarily.
  • the vehicle diagnostic module 12 determines diagnostic data 24 which vary depending on the respective diagnostic or test results.
  • These diagnostic data 24 are transmitted to the service center 20 for evaluation, again via the Mobile radio gateways 16 and 22.
  • the service center 20 evaluates the diagnostic data 24 and, if appropriate, transmits data to the vehicle which influence its operation, for example via the engine control.
  • the service center 20 diagnoses a serious error on the basis of the diagnostic data 24, it is conceivable, for example, that the service center 20 transmits data to the vehicle 28 that cause the driver to be appropriately signaled how he should behave, for example "Please Stop as soon as possible and switch off the engine “or” Please go to the next workshop “and so on.
  • An example of scalable diagnostic results ranges, for example, from “You have a malfunction in the area of the engine control " to "Injector on cylinder 3 defective, catastrophic misfires detected".
  • the scaling can, if necessary, be carried out by the driver or determined using a driver database.
  • the functional descriptions or the diagnostic mechanisms preferably include at least the following components:
  • time requirements for the communication process e.g. timeouts for feedback from the control and / or regulating device and waiting times between the commands
  • the diagnostic parameters required for the respective vehicle types and control and / or regulating devices preferably comprise at least the following uniformly structured information:
  • Test parameters for testing individual components in the control and / or regulating device are listed below.
  • the method according to the invention can be implemented, for example, in the form of structured status tables of a machine which, due to its properties and degrees of freedom, can preferably emulate all known diagnostic protocols (for example keyword XY).
  • FIG. 2 shows a flowchart which illustrates an embodiment of the method according to the invention, the meaning of the respective steps S1 to S9 being evident from the following table.
  • step S1 a diagnostic request is made to a service center, for example to the service center 20 shown in FIG. 1.
  • vehicle identification data are transmitted from the vehicle designated 28 in FIG. 1 to the service center labeled 20 in FIG.
  • the service center uses the vehicle identification data in step S3 to select suitable diagnostic mechanisms and diagnostic parameters, which are given the reference symbol 26 in FIG. 1.
  • step S4 the selected diagnostic mechanisms and diagnostic parameters are transmitted from the service center to the vehicle, preferably via a mobile radio connection.
  • diagnostic mechanisms and diagnostic separators are temporarily stored in the vehicle diagnostic module, for example in the volatile memory 30 of the vehicle diagnostic module 12 shown in FIG Step S5 a diagnostic command to the vehicle.
  • the transmitted diagnostic command which may be suitable to be translated when being transferred to a vehicle bus, is carried out in the vehicle, which may correspond to a sub-process.
  • diagnostic data are obtained, for example the diagnostic data denoted by reference numeral 24 in FIG. 1, which are transmitted to the service center in step S7.
  • step S8 After the required diagnostic data have been transmitted to the service center, these diagnostic data are evaluated there, which corresponds to step S8.
  • step S9 scalable diagnostic results are preferably transmitted to the driver and / or corresponding vehicle components.
  • the entire data transmission between the vehicle and the service center is preferably carried out via a mobile radio network.
  • the basic idea of the present invention can also be used for purposes other than the actual diagnosis. For example, to transfer any data present in the vehicle. Such data can be read out, for example, from memories assigned to the vehicle and transmitted to suitable service centers.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Testing And Monitoring For Control Systems (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)

Abstract

L'invention concerne un procédé de réalisation d'un télédiagnostic sur un véhicule automobile, comprenant les étapes suivantes : a) initialisation du télédiagnostic, b) définition de données de diagnostic dans ledit véhicule, en fonction de mécanismes et/ou paramètres de diagnostic disponibles dans ce véhicule au moment de la définition de données de diagnostic et c) transmission d'au moins certaines parties de ces données de diagnostic à un centre de services externe, chargé d'évaluer les données de diagnostic transmises. Selon la présente invention, lesdits mécanismes et/ou paramètres de diagnostic sont transmis au moins partiellement du centre de services au véhicule lors de l'exécution de l'étape a) dudit procédé. Cette invention concerne en outre un module de diagnostic et un centre de services.
EP02754355A 2001-09-18 2002-07-12 Procede de realisation d'un telediagnostic sur un vehicule automobile, module de diagnostic de vehicule et centre de services Withdrawn EP1442277A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10145906A DE10145906A1 (de) 2001-09-18 2001-09-18 Verfahren zur Durchfühung einer Ferndiagnose bei einem Kraftfahrzeug, Fahrzeugdiagnosemodul und Servicecenter
DE10145906 2001-09-18
PCT/DE2002/002553 WO2003027629A1 (fr) 2001-09-18 2002-07-12 Procede de realisation d'un telediagnostic sur un vehicule automobile, module de diagnostic de vehicule et centre de services

Publications (1)

Publication Number Publication Date
EP1442277A1 true EP1442277A1 (fr) 2004-08-04

Family

ID=7699391

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02754355A Withdrawn EP1442277A1 (fr) 2001-09-18 2002-07-12 Procede de realisation d'un telediagnostic sur un vehicule automobile, module de diagnostic de vehicule et centre de services

Country Status (6)

Country Link
US (1) US7096101B2 (fr)
EP (1) EP1442277A1 (fr)
JP (1) JP2005504288A (fr)
KR (1) KR20040036944A (fr)
DE (1) DE10145906A1 (fr)
WO (1) WO2003027629A1 (fr)

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DE10145906A1 (de) 2003-04-10
JP2005504288A (ja) 2005-02-10
WO2003027629A1 (fr) 2003-04-03
US7096101B2 (en) 2006-08-22
US20040112124A1 (en) 2004-06-17
KR20040036944A (ko) 2004-05-03

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