EP1169686B1 - Procede et dispositif permettant de stocker des donnees dans un vehicule et de traiter les donnees stockees - Google Patents

Procede et dispositif permettant de stocker des donnees dans un vehicule et de traiter les donnees stockees Download PDF

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Publication number
EP1169686B1
EP1169686B1 EP00930986A EP00930986A EP1169686B1 EP 1169686 B1 EP1169686 B1 EP 1169686B1 EP 00930986 A EP00930986 A EP 00930986A EP 00930986 A EP00930986 A EP 00930986A EP 1169686 B1 EP1169686 B1 EP 1169686B1
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EP
European Patent Office
Prior art keywords
data
vehicle
storage medium
components
bus
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.)
Expired - Lifetime
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EP00930986A
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German (de)
English (en)
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EP1169686A1 (fr
Inventor
Markus Klausner
Michael Baeuerle
Klaus Ries-Müller
Wolfgang Grimm
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Robert Bosch GmbH
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Robert Bosch GmbH
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Publication of EP1169686A1 publication Critical patent/EP1169686A1/fr
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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
    • G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
    • G07C5/0841—Registering performance data
    • G07C5/085—Registering performance data using electronic data carriers
    • 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
    • G07C5/006—Indicating maintenance

Definitions

  • the invention relates to an apparatus and method for Storage and / or evaluation of data in a vehicle according to the respective preambles of the independent claims out.
  • An arrangement for storing data in one Motor vehicle is, for example, from EP 0 671 631 known.
  • the data contain static information on the Motor vehicle and to the owner, information about error codes the condition of systems, components and sensors on board of the motor vehicle.
  • a card is used as the storage medium intended.
  • This document describes the storage of Trouble codes generated by a vehicle diagnostic device Have been obtained on board the motor vehicle.
  • This Error codes are stored on a smart card that is in a corresponding recording unit is used saved. Together with the error codes obtained on board the vehicle position as well as data about the vehicle and whose holder is saved on the card.
  • the card can be removed from the recording unit and, since they own intelligence and with special facilities is provided to be inserted into a phone to the data to be sent to a mobile repair service.
  • DE 197 00 353 describes an apparatus and a method for diagnosis, control, transmission and storage safety-relevant system state variables of a Motor vehicle known.
  • the acquisition becomes more dynamic Operating data of a motor vehicle for detection and Assessment of safety-critical situations described.
  • process data, Safety parameters and control operations are recorded and the recorded values for an analysis of the course of Risk situations and driver behavior certain periods, in certain traffic situations and Traffic areas are evaluated in order to get out of it safety-relevant conclusions for the design of the driver-vehicle-environment system
  • this document assume that the data in the vehicle just be recorded over a certain period of time and then overwritten by more recent data.
  • a Storage of data over the entire life cycle or a longer period of use of the motor vehicle is in not mentioned in this document. Even the evaluation of the data to create usage or load patterns For example, determining the degree of wear is not the subject of this Disclosure.
  • DE 44 43 218 A1 shows a device for storing diagnosis-relevant Environment variables in a motor vehicle. It is in the facility communication-capable bus memory module provided with its own computer, which for Receive requests to set error codes for evaluation Request and to generate corresponding error codes as well as Selection determination depending on the respective error code of the respective Requirement to set the respective error code more relevant to diagnosis Environment variables, for independent collection of these environment variables from the bus, and for storing them together with the current error code in the Location is.
  • This prior art thus shows one Diagnostic device in which the service technician replaces the bus memory module Query error codes and the associated environment variables and a targeted Fault localization can perform.
  • a storage of essential data in the life history of a control unit is in the DE 195 16 481 shown.
  • the data recorded and saved can be used if necessary be issued and thus z.
  • B. in the assessment of a used control unit provide clues regarding the probability of failure and reliability.
  • Control device in the vehicle is the storage of dynamic data and their Evaluation, especially an internally or externally executed one at any time Reconstruction of the individual usage and load patterns not shown.
  • the device according to the invention and the inventive Process for storing and evaluating data in one Vehicle enable in an advantageous manner over that State of the art the registration of everyone for the vehicle, his company and its holder relevant data on the entire vehicle life cycle in a central, am Data bus of the vehicle coupled memory that the Vehicle is assigned. This enables the use of this Data in diverse and surprising ways.
  • This system as operational data storage, the from at least one memory, a bus coupling and one Input / output unit exists, is referred to as Storage medium called.
  • Data is stored in the storage medium filed and processed, which in its entirety actually are uncorrelated, but in their combination one detailed reconstruction of the vehicle load and the Vehicle use and wear between first commissioning and enable any time of reading.
  • the storage medium is advantageously a bus participant trained and can thus in an information network of Vehicle components and systems on the data bus Read in and evaluate data as well as data from the bus participants for storage and reconstruction Interrogate.
  • the type and intensity of vehicle use, in particular of the vehicle are individual load patterns, however known if those already available in the vehicle Sensor data, the data of other systems in the vehicle as well other vehicle components for an additional evaluation are fed. So that's vehicle-specific Stress patterns or their wear an objective Indicator for determining the residual value and condition of a Vehicle.
  • the data is saved using a Microprocessor can also be recorded encrypted. So can also manipulate the data, such as avoided, for example, resetting the odometer reading become.
  • the data stored in the storage medium allow for this also advantageously at any time Reconstruction of individual usage and load patterns since commissioning.
  • By generating or Reconstruction of the load patterns on site, i.e. in the Vehicle itself can provide information about it without additional effort directly, also by the driver or Holder are queried.
  • Repair or service can be exchanged Components based on operating hours and load can be easily identified. More critical if it occurs States on individual components, such as overload a detailed data recording and evaluation. Consequently it is also possible to have service intervals and repairs to the Adapt usage or load history of the vehicle and thus the usage history, as well as the To record the overall condition of the vehicle.
  • the Data from the storage medium also for error diagnosis be used.
  • Vehicle components When vehicle components are replaced or newly installed this is just like their repair history detectable.
  • Vehicle components such as control units, Sensors, especially intelligent sensors, according to the Installation of an individual identifier when commissioning, which is also recorded and processed in the storage medium can be.
  • Guarantee, insurance and goodwill claims can based on what has been said so far from the actual Vehicle use can be made dependent.
  • the Rental price is no longer determined on the basis of the rental period but can be dependent on the actual usage of the vehicle can be calculated.
  • An additional one Risk surcharge for the uncertainty about the stress can thus be omitted during the loan period.
  • Reusable Components can be based on the remaining life identified and used again.
  • the Storage medium provides data on the field behavior of Components and the entire vehicle ready. So that can the field data for vehicle development and Component development can be gained. Also one through that central storage medium possible recording of the Driver behavior for test purposes and when used in pre-series for development and dimensioning of vehicle components or vehicles can be used. This grasping of the Driver behavior or certain usage profiles also be used to monitor vehicle behavior adapt to different driving styles.
  • FIG. 1 shows one provided in the vehicle Data bus to the various systems and sensors as well other vehicle components are connected.
  • the storage medium is connected to the data bus.
  • Figure 2 shows a further embodiment of the storage medium.
  • a very special, modular embodiment of a storage medium shows Figure 3 in the form of a usage chip, which also portable on a carrier. On possible procedure in hardware or software for determination the wear in the form of a degree of wear or the Lifetime is shown in Figure 4.
  • FIG. 1 an overall system with a data bus 108, which is provided in a vehicle, is shown schematically in a block diagram.
  • the storage medium 101 and, on the other hand, various components 111 to 116 within the vehicle are connected to this data bus 108.
  • the components connected to the data bus can be individual systems, other control devices, individual sensors or sensor groups, actuators and other vehicle components.
  • 111 denotes an engine management system to which 109 and 110 sensors and 117 actuators are additionally connected. This connection of sensors or actuators to the system can take place on the one hand via separate connecting lines or in series or else also via data bus 108 or a further bus system connected to data bus 108, in particular a field bus system.
  • the sensor system and / or actuator system can be connected to one another via at least one second bus system, which is different from the data bus system 108 and is designed, for example, as a field bus, and coupled to at least one control unit, which in turn is connected to the bidirectional bus system 108.
  • sensor 109 represents an engine temperature sensor
  • sensor 110 represents an engine speed sensor. Further sensors relating to the engine management system are not shown for reasons of clarity.
  • Actuator 117 also stands here, for example, as an injection means for fuel, representing other and further actuators of an engine management system.
  • the sensor system 109, 110 and the actuator system 117 are only to be understood as representative here.
  • Block 112 represents a further system, for example a system influencing the braking effect and / or increasing the driving stability or safety, such as an anti-lock braking system or a driving dynamics control system.
  • 113 represents another system, for example a transmission control or a system for fault diagnosis in the vehicle, which supplies fault information, for example in the form of fault codes, to the data bus 108.
  • Block 114 shows, for example, a sensor for detecting the driving speed.
  • block 115 represents, for example, a starter or starter generator.
  • other vehicle components 116 in the form of systems, control devices, actuators and sensors can optionally also be coupled to the data bus 108, possibly a vertical acceleration sensor, for detecting vibrations when driving over potholes. Sensors for recording environmental variables such as outside temperature, moisture, in particular a rain sensor, etc. are also possible.
  • the data bus 108 can be connected via a gateway, for example the optional component 116, to further bus systems in the vehicle, for example sensor bus systems, that is to say a bus system which networks sensors.
  • the senor can be used as intelligent sensor, with a microcontroller on site, own AD conversion and own signal preprocessing be used, which makes the sensor directly physical Values as digital values on the bus, e.g. 108 can.
  • a sensor can also be on-chip with or be housed in another system (109-111) and share its signal processing and bus controller. Analogously, this also applies to actuators that, on the one hand, themselves Have bus access (115) or with a system (111) connected (117).
  • the connected Vehicle components 111 to 116 have different complexity and communicate for example, via a bus controller with the Data bus 108.
  • an engine management system 111 Representing the multitude of to the Vehicle components that can be connected to the bus are here an engine management system 111, a braking system, for example 112, a transmission control or a fault diagnosis system 113, a starter 115 and a vehicle speed sensor or a rotation rate sensor 114 shown or called. Element is optional for other components 116 shown.
  • this includes Storage medium 101 at least one storage 100 a Bus coupling unit 100b, for example a microcontroller and an output unit 100a, via which data from the Memory 100 are available.
  • the bus coupling unit 100b can with its own volatile or non-volatile memory for example for data buffering.
  • There is the bus coupling unit 100b e.g. from a Communication controller and a communication interface, especially a dual port RAM.
  • a host function could thereby by the control unit SW, or the SW in Storage medium can be realized because the processing of the data to be stored or stored in the Storage medium by a microcomputer or Microcontroller can be done.
  • the inventive arrangement for storing data in The core of the vehicle is therefore that of a storage medium as a memory 100 is provided which the vehicle assigned and in a vehicle-side interface to Read and / or write connected to data bus 108 is.
  • the memory 100 has a large one Storage volume or is alternatively modular (e.g. cascaded) from several smaller memory chips built up, which depending on usage over corresponding Software or switches, e.g. Dip switch, configured can be.
  • Software or switches e.g. Dip switch, configured can be.
  • the total in the data memory 100 stored data and results remain there over the entire period of use of the motor vehicle or Arrangement so that a historical record of behavior of the motor vehicle is present. This can, if the Arrangement is provided from the start in the motor vehicle include the entire life cycle of the vehicle. if the Such an arrangement should be possible retrofitted into the motor vehicle and to the there to connect existing data bus 108, then this applies History from the installation of the arrangement according to the invention.
  • FIG. 2 Another embodiment for that shown in Figure 1 Storage medium 101 is shown in FIG. 2. It will Storage medium 101a via a coupling module 203 to the Data bus 108 of the vehicle connected.
  • An internal bus 202 of the storage medium 101 connects the storage 100, a microprocessor 200, a peripheral input / output unit 204 and optionally further elements 201.
  • the microprocessor 200 depending on the range of functions and internal structure, such as possible storage, Coprocessors, etc., various names, such as Microcontroller, central processor unit (Central Processing Unit), control unit (Electronic Control Unit), etc. can be used.
  • the peripheral input / output unit 204 creates the connection of the storage medium 101a either serially via interface 106 or in parallel via Interface 107 with possible external devices and Modules 205.
  • Such external devices are, for example Test and evaluation computers or others Vehicle components or sensors that are not connected to the Data bus 108 of the vehicle are coupled. in principle the data on the data bus 108 through the Coupling unit 203 is read into the storage medium 101a. A selection or preselection of certain data can already take place in the coupling module 203. Another Selection of the data to be saved is, for example by the microprocessor 200 or a possible one Evaluation circuit, for example at the position of the element 201 possible. An entire system according to the invention exists thus from the hardware of the storage medium in the vehicle, a possible evaluation device for data transmission from on-board data storage and evaluation software or an evaluation circuit for classification, interpretation and visualization of the data.
  • the on-board hardware typically consists of a microprocessor or Microcontroller 200 for data preprocessing and / or Evaluation, the vehicle components (111-116) from which the Data are saved, especially sensors for Acquisition of operating data, at least not one volatile large-volume data storage (100), one mandatory power supply, an interface in the form a coupling unit (100b, 203) to the data bus of the vehicle and at least one communication interface (105, 203), especially for the transmission of the stored data to another computer, in particular a reading device.
  • the storage medium hardware in the vehicle is used for recording, Preprocessing and storage of the data for the application scenarios listed above are required.
  • the storage medium (101 or 101a) is a participant in the in-vehicle data bus system, such as CAN, with information from other Bus participants in the form of vehicle components such as for example, a transmission control or an on-board diagnostic system (113), engine management system (111), Brake system (112), starter (115), rotation rate sensor, Airbag sensor, etc. detected and cyclically or on the one hand Inquiry or event-oriented to the storage medium are sent or transmitted.
  • the one in the storage medium processed data and their evaluation enable the parallel realization of several of the advantages listed application scenarios.
  • This can be done through internal like external evaluation circuits or in software. in the external case will be about the Communication interface transferred from the storage medium Receive data from a reader and then for example on a computer or an external one Test device evaluated.
  • the storage medium also detects the Operating states of other bus users such as the information "Starter On", as well as their registration and deregistration on the bus system. In this way, for example Replacement of a component can be documented. It is also possible in connection with keyless entry systems Store user profiles of drivers in the storage medium. Then the vehicle components or the vehicle could be on the respective user style, especially the personal one Driving style to be adjusted.
  • FIG. 3 A very special embodiment of the invention is in Figure 3 shown in the form of a usage chip 101b.
  • the usage chip On separate module from other automotive components, which the Includes usage chip 101b, gets access to all of them Information in the vehicle about one or more Data bus systems are transmitted. Ideally, everyone is relevant information is available via the data bus system. If this is not the case, there are external ones Interfaces for components outside the data bus system provided in the vehicle.
  • the usage chip thus consists of a microprocessor 300 for data acquisition and evaluation with a writing and security logic as well as a Connection module 301 for example as a bus system Data bus 108, which is coupled to pins 302.
  • the usage chip 101b contains an input and Readout unit 306, on the one hand, for detecting further ones external data, such as B.
  • a readout pin 305 wired or wireless (e.g. optically, inductively or by radio) via a reader to one Computers can be transferred.
  • 308 is one Battery, provided as an additional power supply, the intervenes, for example, when the power supply 303 is out of function.
  • there is an optional circuit with whose help generates a time base for time recording can be provided, for example, an RC oscillator.
  • the data store is special in this Embodiment marked with 307. This is for example as EEPROM or flash memory or others non-volatile memory.
  • the microprocessor 300 also serves to evaluate the information or Data, for example to meet the necessary storage requirements limit. Data or Information extracted, interpreted and data, In particular, usage data generated, for example, the Describe wear and tear on the vehicle.
  • the microprocessor 300 but also the processors 200, 100a and 100b also serve to encrypt the calculated ones Data.
  • certain vehicle data such as the serial number on the Usage chip 101b can be stored.
  • the usage chip 101b can either be in one Vehicle component installed, or as a separate module be carried out.
  • data can also be stored in the storage medium Inspections and maintenance are stored. These dates concern e.g. the inspection intervals of the vehicle and / or repairs carried out or to be carried out on Vehicle with identification of individual components in this regard. Information from components to be exchanged and / or exchanged Components are recorded and taken into account. For one Determination of wear of the overall vehicle system can components and their components that have been replaced or repaired Exchange or repair time are taken into account. For this, an individual component identifier stored, based on which the affected component can be identified. During maintenance or inspection or other opportunity are changed adjustment data also with the corresponding time of change can be stored. Such adjustment data are e.g. in the Application of components or the entire vehicle entered or changed. This can also be the case with subsequent changes or improvements or Vehicle components have been added or removed. This adjustment data can be changed or optimized Data e.g. in vehicle control units.
  • Another part of the invention are methods for determining the wear and / or loading of vehicles based on the aforementioned storage media 101, 101a or the usage chip 101b.
  • the engine temperature and the engine speed are recorded as an example and representative of further data and variables. This is done, for example, by sensors 109 and 110.
  • the number of engine speeds N1 that exceed a predeterminable threshold value Nmax1 is recorded.
  • a further number of engine speeds N2 can also be detected, which exceed a threshold value Nmax2 which is greater than Nmax1. This could be continued with any number of Nmaxi threshold values.
  • an average engine speed Nmean can be used. The same applies to the engine temperature.
  • the number of engine temperatures T1 that exceed a threshold value Tmax1 is detected.
  • a number of engine temperatures T2 is detected that exceed a further threshold value Tmax2 that is greater than the first threshold value Tmax1.
  • an engine temperature T average obtained by averaging can also be used here.
  • every conceivable vehicle size can be used to form the degree of wear AG.
  • the vehicle speed, the longitudinal and lateral acceleration, the vertical acceleration, the outside temperature, the humidity of the outside air, the braking force, etc. are also used as parameters, whereby the number of exceeding certain threshold values can also be detected or averages can be formed.
  • the weighting factors a1 to a6 or ai for example constant or dynamically adaptable when using others and / or additional data are application-specific to be determined and, if necessary, dynamically adjusted Sizes.
  • the value AG of the degree of wear can then automatically e.g. in tabular form or via a map for example, a residual value of the vehicle as well as the Remaining life of the vehicle, its subsystems and Components are assigned. This information can also automatically depending on authorization e.g. as an advertisement in Vehicle to the keeper, the driver or by radio Individuals and institutions displayed or transmitted become.
  • the one for determining the degree of wear relevant parameters can be determined by test series before launch on the market and experience from the Operating phase.
  • the weighting factors a1 to a6 or ai to the current situation or the current status adapted by retrieving data via the vehicle service and correlated with repair data.
  • the degree of wear can either be calculated on a microprocessor in the vehicle or determined using an external device or computer become.
  • the number of Engine starts, depending, for example, on the Engine temperature can be determined whether it is a Cold or warm start is the vehicle speed the braking force, the braking time, the lateral acceleration, a Vertical acceleration, for example for the detection of Vibrations when driving over potholes, etc.
  • the central unit includes at least one of the aforementioned storage media and the data bus, but can also be a control unit include.
  • the central control or central unit 400 provides different lines 402 and 403 Input information for an interpretation means 401 for Available.
  • line 403 is on Low level and a high level on line 402 and that Interpretation means 401 is a simple switching means educated.
  • Will the vehicle or an in-vehicle Component put into operation by the control signal StS is communicated to means of interpretation 401. thereupon then switches the interpretation means 401 as switching means from the low level on line 403 to the high level on line 402, whereby, for example, a subsequent circuit first can be made functional.
  • the interpretation element 401 not in the operating state. (High level) can be set additionally be prevented that an offset OS or a Weighting WS are issued, which only makes a contribution to the degree of wear arises when the vehicle or Component is put into operation.
  • element 404 is on the output, the signal level SP of element 401 an offset signal OS activated. In the simplest case, the offset OS just added up.
  • the one charged with the offset OS Size SPO is now in element 405 with a weighting or provided with a weighting signal WS.
  • the weighting WS is simply a factor multiplied up.
  • the weighting WS and / or the offset OS become the central unit's input signals ES 400 formed. These input signals ES correspond to the Data to be stored and evaluated in the storage medium.
  • the storage medium is in the central processing unit 400 contain.
  • the so with weighting WS and offset OS size SPOW applied is now an integrating element 406 fed.
  • this integrating element 406 the successively incoming with offset OS and weighting WS sizes SPOW integrated. This creates at the output of the integrator, a size that a use or corresponds to a useful life, a usage signal NS.
  • Element 407 then serves as a comparison element.
  • the comparison element 407 becomes a comparison signal VS fed.
  • This comparison signal VS with a Threshold function occupied, for example be used if it is exceeded Exchange of at least one component, a shortening of service intervals or carrying out necessary Initiate repairs.
  • the output size or the Output signal AS of comparison element 407 indicates this.
  • This size AS can then either via a driver display Vehicle drivers also via radio in a workshop or a fleet manager.
  • the one in FIG. 4 The flow shown can also be completely in software be implemented. It is also possible for everyone or at least a selection of vehicle components System. This can be for everyone Component of the degree of utilization or performance determined and in their combination can be determined for the entire vehicle.
  • the offset OS would be the Number of starts would correspond and WS would be weighted for example, the engine temperature. That would be in A finer compared to the previous procedure Relationship between start and engine temperature as only cold and warm start differentiation possible.
  • the offset would correspond OS the load change and the weighting WS would here the engine temperature is also included.
  • the WS weighting being the strength reflect the braking torque. The same could be for Engine fan, spark plugs, vehicle engine, clutch or Gearboxes, injection valves, etc. are shown. In Vehicle internal sizes can also affect environmental conditions for example as weighting or weighting factors be introduced.
  • the invention can simplify the treatment of Guarantee claims or insurance claims as well protection against manipulation, for example against installation and Operating wrong components or using wrong ones Data, in particular adjustment data, take place. Besides, is the vehicle history available at all times.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Time Recorders, Dirve Recorders, Access Control (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)

Claims (12)

  1. Dispositif d'enregistrement de données dans une mémoire (100) d'un véhicule, les données étant transmises par un bus de données (108) du véhicule, auquel sont branchés ou peuvent l'être les composants (111-116) tels que les systèmes du véhicule, les capteurs, actionneurs ainsi que d'autres composants du véhicule,
    la mémoire (100) étant un ensemble de mémoire central (101, 101a, 101b pour les composants (111-116) reliés au bus de données (108), et qui est également relié au bus de données (108) du véhicule, les données étant enregistrées de manière permanente dans l'ensemble de mémoire pendant toute la durée d'utilisation du véhicule,
    caractérisé en ce que
    les données sont différemment interprétées par des moyens d'exploitation (102, 104, 201) reliés à l'ensemble de mémoire, de manière qu'une mesure (AG) de l'utilisation et/ou de l'usure du véhicule et/ou des composants (111-116) est représentée par les moyens d'exploitation (102-104, 201).
  2. Ensemble de mémoire (101, 101 a, 101b) pour enregistrer les données dans un véhicule, le véhicule comportant différents composants (111-116), l'ensemble de mémoire ayant une mémoire non volatile (100), l'ensemble de mémoire étant relié à un bus de données (108) du véhicule par une unité de couplage de bus (100b, 203) et les données étant enregistrées pendant toute la durée d'utilisation du véhicule dans l'ensemble de mémoire par l'intermédiaire du bus de données (108),
    caractérisé en ce que
    l'ensemble de mémoire comporte une unité entrée/sortie (100b, 203, 106, 107) et des moyens d'exploitation (102-104, 201) pour exploiter les données, ces données étant exploitées de façon à former à partir de celles-ci une mesure (AG) pour l'utilisation et/ou l'usure du véhicule et/ou celles des composants (111-116).
  3. Dispositif selon la revendication 1 ou ensemble de mémoire selon la revendication 2,
    caractérisé en ce que
    pour l'enregistrement on utilise une ou plusieurs des mémoires non volatiles existant dans les composants (111-116) du véhicule, notamment dans les appareils de commande.
  4. Dispositif selon la revendication 1 ou ensemble de mémoire selon la revendication 2,
    caractérisé en ce que
    dans l'ensemble de mémoire on enregistre des données concernant les intervalles de révision et/ou les réparations effectuées et/ou à effectuer et/ou les composants échangés et/ou à échanger (111-116), en particulier une caractéristique des composants.
  5. Dispositif selon la revendication 1 ou ensemble de mémoire selon la revendication 2,
    caractérisé en ce qu'
    on enregistre dans l'ensemble de mémoire, le profil de l'utilisateur et/ou les données concernant les défauts et/ou les mauvaises manoeuvres et/ou les modifications des données de réglage.
  6. Dispositif selon la revendication 1 ou ensemble de mémoire selon la revendication 2,
    caractérisé en ce que
    dans l'ensemble de mémoire on enregistre les données de fonctionnement internes du véhicule et/ou les données externes telles que les conditions de l'environnement.
  7. Dispositif selon la revendication 1 ou ensemble de mémoire selon la revendication 2,
    caractérisé en ce que
    l'ensemble de mémoire contient une mémoire non volatile, une unité de couplage de bus ainsi qu'une unité entrée/sortie.
  8. Procédé d'enregistrement et d'exploitation des données dans un véhicule, selon lequel on transmet les données par un bus de données (108) et on lest enregistre dans un ensemble de mémoire (101, 101a, 101b) relié comme mémoire centrale par le bus de données (108) à d'autres composants (111-116) dans le véhicule, et les données sont et restent enregistrées pendant toute la durée d'utilisation du véhicule,
    caractérisé en ce qu'
    on effectue une exploitation (102-104, 201) des données en formant à partir d'elles une mesure (AG) pour l'utilisation et/ou l'usure du véhicule et/ou celle des composants.
  9. Procédé selon la revendication 8,
    caractérisé en ce que
    l'exploitation des données avec lesquelles on forme la mesure (AG) de l'utilisation et/ou de l'usure du véhicule et/ou des composants (111-116) se fait dans l'ensemble de mémoire à l'aide d'un moyen d'exploitation.
  10. Procédé selon la revendication 8,
    caractérisé en ce qu'
    on fait l'exploitation des données en formant un degré d'utilisation comme somme des fréquences pondérées des dépassements de type de données sélectionnées, par rapport à des seuils associés aux données et/ou des valeurs moyennes pondérées de données sélectionnées.
  11. Procédé selon la revendication 8,
    caractérisé en ce qu'
    on exploite les données en formant une valeur qui représente la durée d'utilisation jusqu'à présent et/ou l'intensité d'utilisation jusqu'à présent et cette valeur est pondérée en appliquant au moins un signal avec une pondération et/ou un décalage, et ensuite on forme une somme notamment par intégration, la pondération et/ou le décalage étant également formés à partir des données de l'exploitation.
  12. Procédé selon la revendication 8,
    caractérisé en ce que
    comme données, on enregistre dans l'ensemble de mémoire, les données de fonctionnement internes du véhicule et/ou des données externes comme les conditions d'environnement et/ou des données concernant les intervalles entre les révisions et/ou les réparations effectuées et/ou à effectuer et/ou les composants échangés et/ou à échanger (111-116) et/ou des données concernant des défauts et/ou des mauvaises manoeuvres et/ou des modifications de données de réglage.
EP00930986A 1999-03-31 2000-03-25 Procede et dispositif permettant de stocker des donnees dans un vehicule et de traiter les donnees stockees Expired - Lifetime EP1169686B1 (fr)

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DE10014994A1 (de) 2000-10-05
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EP1169686A1 (fr) 2002-01-09
DE50002456D1 (de) 2003-07-10

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