EP1169686A1 - 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

Info

Publication number
EP1169686A1
EP1169686A1 EP00930986A EP00930986A EP1169686A1 EP 1169686 A1 EP1169686 A1 EP 1169686A1 EP 00930986 A EP00930986 A EP 00930986A EP 00930986 A EP00930986 A EP 00930986A EP 1169686 A1 EP1169686 A1 EP 1169686A1
Authority
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.)
Granted
Application number
EP00930986A
Other languages
German (de)
English (en)
Other versions
EP1169686B1 (fr
Inventor
Markus Klausner
Michael Baeuerle
Klaus Ries-Müller
Wolfgang Grimm
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 EP1169686A1 publication Critical patent/EP1169686A1/fr
Application granted granted Critical
Publication of EP1169686B1 publication Critical patent/EP1169686B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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 is based on a device and method for storing and / or evaluating data in a vehicle in accordance with the respective preambles of the independent claims.
  • Motor vehicle is known for example from EP 0 671 631.
  • the data contain static information about the motor vehicle and the holder, information about error codes about the state of systems, components and sensors on board the motor vehicle.
  • a card is provided as the storage medium. This document describes the storage of error codes that have been obtained by a vehicle diagnostic device on board the motor vehicle. These error codes are stored on a smart card that is inserted in a corresponding recording unit. Together with the error codes obtained on board, the vehicle position and data about the vehicle and its holder are stored on the card. The card can be removed from the recording unit and, because it contains its own intelligence, and with special facilities is inserted into a telephone in order to transmit the data to a mobile repair service.
  • the smart card described and used here only contains data on a current error problem, so that further data relating to the previous life cycle of the vehicle, that is to say from previous error problems, are lost.
  • this known arrangement does not allow all fault codes obtained on board to be stored over the entire usage cycle of the motor vehicle.
  • DE 197 00 353 describes a device and a method for diagnosis, control, transmission and storage of safety-relevant system state variables
  • Safety parameters and control operations are recorded and the recorded values are analyzed for an analysis of the course of risk situations and the behavior of the driver over certain periods, in certain traffic situations and traffic areas in order to draw safety-relevant conclusions for the design of the driver-vehicle-environment system Document to assume that the data is only recorded in the vehicle for a certain period of time and then overwritten by more recent data.
  • a storage of essential data in the life history of a control device is shown in DE 195 16 481.
  • the data recorded and saved can be output as required and thus e.g. provide clues when assessing a used control unit with regard to the probability of failure and reliability.
  • An overall view of, for example, the vehicle in which the control unit is installed cannot be achieved with this. This also contributes to the fact that the recorded and stored data, operating time, control unit temperature and voltage values applied to the control unit, in particular duration and intensity of interference voltages, are physically correlated with one another and with the functionality of the control unit itself.
  • the device according to the invention and the method according to the invention for storing and evaluating data in a vehicle advantageously enable the writing of all data relevant to the vehicle, its operation and its holder over the entire life cycle of the vehicle into a central, am Data bus of the vehicle coupled memory, which is assigned to the vehicle. This enables the use of this data in a variety of surprising ways.
  • the acquisition, classification and storage of dynamic data during the use phase of a motor vehicle over the entire life cycle or use period is realized according to the invention in a system with a storage medium.
  • This system as operating data memory, which consists of at least one memory, a bus coupling and an input / output unit, is referred to below as a storage medium.
  • Data are stored and processed in the storage medium, which in their entirety are actually uncorrelated, but in their combination enable a detailed reconstruction of the vehicle load as well as the use and wear of the vehicle between first commissioning and any time of reading.
  • the storage medium is advantageously designed as a bus subscriber and can thus read and evaluate the data located on the data bus and query data from the bus subscribers for storage and reconstruction in an information network of vehicle components and systems.
  • the type and intensity of vehicle use in particular the vehicle's individual load patterns, are known, however, if the sensor data already available in the vehicle, the data of other systems in the vehicle and other vehicle components are fed to an additional evaluation.
  • the vehicle-specific load pattern or its wear is an objective indicator for determining the residual value and condition of a vehicle.
  • the data are also recorded in encrypted form using a microprocessor. This also prevents manipulation of the data, such as resetting the odometer reading.
  • the data stored in the storage medium advantageously allows the reconstruction of individual usage and load patterns since the initial start-up at any time.
  • the load pattern on site that is, in the vehicle itself, the information about it can also be queried directly by the driver or keeper without additional effort.
  • Components can be easily identified based on operating hours and load. When critical conditions occur on individual components, such as overload, detailed data recording and evaluation are carried out. This means that service intervals and repairs can also be made to the Adapt usage or load history of the vehicle and thus to record the usage history as well as the overall condition of the vehicle.
  • the data on the storage medium can also be used for fault diagnosis.
  • vehicle components are replaced or newly installed, this can be recorded as well as their repair history.
  • new vehicle components such as control devices, sensors, in particular intelligent sensors, provide an individual identifier after installation and start-up, which can also be recorded and processed in the storage medium.
  • the rental price no longer has to be determined on the basis of the rental period, but can be calculated depending on the actual use of the vehicle. An additional risk surcharge for the uncertainty about the stress during the loan period can thus be omitted.
  • the storage medium allows the determination of an objective resale value depending on the intensity of use. An additional risk premium could also be omitted here.
  • a possible recycling of the vehicle at the end of the useful life can be determined.
  • Reusable components can be identified based on their remaining life and reused.
  • the storage medium provides data on the field behavior of components and the entire vehicle. This enables data for vehicle development and
  • Component development can be gained. It is also possible to use the central storage medium to record driver behavior for test purposes and when used in pre-series for the development and dimensioning of vehicle components or vehicles. This recording of driver behavior or of certain usage profiles can also be used to adapt vehicle behavior to different driving styles.
  • FIG. 1 shows a data bus provided in the vehicle to which various systems and sensors as well as further vehicle components are connected.
  • the storage medium is also connected to the data bus.
  • Figure 2 shows a further embodiment of the storage medium.
  • a very FIG. 3 shows a special, modular embodiment of a storage medium in the form of a usage chip, which can also be designed to be portable on a carrier.
  • a possible method in hardware or software for determining wear in the form of a degree of wear or the service life is shown in FIG.
  • 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 serially or else also via the data bus 108 or a further bus system connected to the 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 can be 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 for reasons of Clarity not shown.
  • 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.
  • the entire actuator system or sensor system with one or more control units is required for the sake of
  • 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.
  • other components such as actuators or sensors, in particular intelligent sensors with signal processing and local logic, can also be connected directly to the bus.
  • 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.
  • the data bus 108 can be via a gateway, e.g. the optional component 116 can be connected to further bus systems in the vehicle, for example sensor bus systems, that is to say a bus system that networks sensors.
  • the senor can be used on the one hand as an intelligent sensor, with a microcontroller on site, its own AD conversion and its own signal preprocessing, which means that the sensor directly sends physical quantities as digital values to the bus, e.g. 108, can transmit.
  • a sensor can also be accommodated on-chip in or in another system (109-111) and can use its signal processing and bus controller. The same applies analogously to actuators that have bus access themselves (115) or are connected to a system (111) (117). The connected
  • Vehicle components 111 to 116 have different complexity and each communicate with the data bus 108, for example, via a bus controller.
  • a motor management system 111 and a brake system are representative of the large number of vehicle components that can be coupled to the bus
  • Element 116 is optionally shown to represent other components.
  • the storage medium 101 contains at least one memory 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 have its own volatile or non-volatile memory, for example for data buffering.
  • the bus coupling unit 100b consists, for example, of a communication controller and a communication interface, in particular a dual port RAM.
  • a host function could be implemented by the control unit software or the software in the storage medium, since the microprocessor or microcontroller can process the data to be stored or stored in the storage medium.
  • the arrangement according to the invention for storing data in the vehicle thus essentially consists in the provision of a storage medium, such as a memory 100, which is assigned to the vehicle and is connected to the data bus 108 in a vehicle-side interface for reading and / or writing.
  • the memory 100 has a large storage volume or is alternatively modular (e.g. cascaded) made up of several smaller memory modules, which are used depending on their use via appropriate software or switches, e.g. DiP switch, can be configured.
  • one or more of the non-volatile memories present in one or more control devices are also used as memories in the context of an execution as a distributed application in a software network. The data is distributed over several memories in the control units.
  • evaluation means 102 to 104 are advantageously, but at least one on which Storage medium 101 provided itself.
  • Different interpretations of the data from memory 100 are possible using evaluation means 102 to 104.
  • the results of such interpretations can be sent to external interfaces via an output unit 105.
  • This can be, for example, a serial interface 106 and a parallel interface 107, for example to another bus.
  • output unit 105 can be, for example, a serial interface 106 and a parallel interface 107, for example to another bus.
  • output unit 105 can be, for example, a serial interface 106 and a parallel interface 107, for example to another bus.
  • output unit 105 can be, for example, a serial interface 106 and a parallel interface 107, for example to another bus.
  • these can also be stored in the storage device 100 and remain there.
  • the data and results stored in this way in the data memory 100 remain there over the entire period of use of the motor vehicle or the arrangement, so that a historical record of the behavior of the motor vehicle is available
  • FIG. 1 Another embodiment for the storage medium 101 shown in FIG. 1 is shown in FIG.
  • the storage medium 101a is connected to the via a coupling module 203
  • An internal bus 202 of the storage medium 101 connects the memory 100, a microprocessor 200, a peripheral input / output unit 204 and optionally further elements 201.
  • the microprocessor 200 in particular possible memories, coprocessors, etc. ., various names, such as microcontroller, central processing unit (Central Processing Unit), control unit (Electronic Control Unit), etc. are 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 assemblies 205. Such external devices are, for example, test and evaluation computers or also others
  • the data on the data bus 108 are read into the storage medium 101a by the coupling unit 203.
  • a selection or preselection of certain data can already take place in the coupling module 203.
  • a further selection of the data to be stored is possible, for example, by the microprocessor 200 or a possible evaluation circuit, for example at the position of the element 201.
  • An entire system according to the invention thus consists of the hardware of the storage medium in the vehicle, a possible evaluation device for data transmission from the vehicle-side data memory and evaluation software or an evaluation circuit for classification, interpretation and visualization of the data.
  • the vehicle-side 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 stored, in particular sensors for recording operating data, at least one non-volatile large-volume data memory (100) , an obligatory power supply, an interface in the form of a coupling unit (100b, 203) to the data bus of the vehicle and at least one communication interface (105, 203), in particular for the transmission of the stored data to a further computer, in particular a reading device.
  • the storage medium hardware in the vehicle is used to collect, preprocess and store the data required for the application scenarios listed above.
  • a possible Evaluation circuit in the storage medium a data evaluation, in particular the reconstruction of usage and / or load patterns carried out and the resulting results once for the driver on the other hand for service or other people and
  • 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 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 transmitted or transmitted to the storage medium on the one hand cyclically or by request or event-oriented.
  • vehicle components such as 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 transmitted or transmitted to the storage medium on the one hand cyclically or by request or event-oriented.
  • the data processed in the storage medium and their evaluation enable the parallel implementation of several of the application scenarios listed in the advantages. For this purpose, data interpretation systems are created for all application scenarios of interest. This can be done by internal and external evaluation circuits or in software. In the external case, the over
  • Communication interface received data from the storage medium received by a reader and then, for example, on a computer or an external
  • the storage medium also records the operating states of other bus subscribers, such as the information “starter on”, and their registration and deregistration on the bus system. In this way, for example, the replacement of a component can be documented.
  • Systems to store user profiles of drivers in the storage medium in which case the vehicle components or the vehicle could be adapted to the respective user style, in particular the personal driving style.
  • a very special embodiment of the invention is shown in FIG. 3 in the form of a usage chip 101b.
  • a module which is separate from other motor vehicle components and which contains the usage chip 101b receives therein access to all information which is transmitted in the vehicle via one or more data bus systems. Ideally, all relevant information is available via the data bus system.
  • the usage chip thus consists of a microprocessor 300 for data acquisition and evaluation with write and security logic and a connection module 301 for, for example, a bus system as a data bus 108, which is coupled to the pins 302.
  • the usage chip 101b contains a read-in and read-out unit 306 on the one hand for acquiring further external data, such as, for example, B. Service or repair information via pin 304 and on the other hand for the usage data, which can either be displayed via a special code on the electronic driver display or with a readout pin 305 wired or wireless (e.g. optical, inductive or radio) via a reader to a computer can be transferred.
  • a battery is provided as an additional energy supply, which intervenes, for example, when the energy supply 303 is out of function.
  • a circuit is optionally provided with the aid of which a time base for time recording can be generated, for example an RC oscillator.
  • the data store is special in this
  • Embodiment marked with 307. This is designed, for example, as an EEPROM or flash memory or other non-volatile memory.
  • the microprocessor 300 also serves to evaluate the information or data, for example in order to meet the necessary storage requirements limit. Data or information is extracted, interpreted and generated, in particular usage data, which describe, for example, the wear and tear of the vehicle, on the microprocessor 300.
  • the module in the form of the usage chip 101b thus consists at least of a microprocessor (300), a non-volatile data memory (307) and interfaces for communication with the bus (302) and for reading out the data (304) from the data memory.
  • the microprocessor 300 but also the processors 200, 100a and 100b also serve to encrypt the calculated data.
  • certain vehicle data such as the serial number on the
  • Usage chip 101b can be stored. On the other hand, in the event of unauthorized removal of the usage chip 101b, as well as in the case of manipulations on the latter, the stored data can be deleted or made unrecognizable using the internal battery 308, depending on the severing of certain security barriers.
  • the usage chip 101b can either be built into a vehicle component or can be designed as a separate module.
  • a variety of data can thus be stored in the aforementioned storage medium of FIGS. 1 to 3 in order to evaluate them.
  • external data are stored.
  • This external data is e.g. detected by sensors or determined from sensor sizes.
  • environmental conditions such as Temperature, humidity, amount of rain, fog density, wind strength, etc.
  • environmental conditions can then be further combined and evaluated.
  • This environmental data can also be recorded during breaks, i.e. when the vehicle is not in operation, e.g. from the
  • data relating to inspections and maintenance can also be stored in the storage medium. These data relate, for example, to the inspection intervals of the vehicle and / or repairs carried out or to be carried out on the vehicle with identification of individual components in this regard. Information about components to be exchanged and / or exchanged components can also be recorded and taken into account. To determine the wear of the overall vehicle system, components that have been replaced or repaired and the time at which they are replaced or repaired can be taken into account. For this purpose, an individual component identifier is saved, by means of which the affected component can be identified. Adjustment data are changed during maintenance or inspection or another occasion can also be filed with the corresponding time of change. Such adjustment data are entered or changed, for example, in the application of components or the entire vehicle. This can also apply to subsequent changes or improvements or
  • Vehicle components have been added or removed. These adjustment data are changeable or optimizable data e.g. in vehicle control units.
  • Errors that occur during operation or during inspections can also be stored in the storage medium.
  • Another type of data is information on operating errors such as accelerating too hard, extreme braking, gear change errors, etc., which can also be saved.
  • user profiles e.g. can be stored in the storage medium from a driver type recognition. Real incorrect operation then results from the tolerances regarding the operation of the respective driver type.
  • the driver types themselves, i.e. the user profiles, can also be used to determine wear. Here, e.g. a role whether the vehicle is operated economically, sportily, etc. based on the operating data. In some cases, individual loads can be directly affected
  • Components or the entire vehicle are determined, whereby data such as the number of starts, in particular cold starts, acceleration acceleration, violent steering movements, driving delays, e.g. by braking or engine braking, axle load by loading play a role.
  • the use of the vehicle can also be logged over the entire period of use of the vehicle, that is until the vehicle is finally shut down. Also the duration and Violence of individual operating phases as well as phases in which the vehicle is stationary, in the period of use until scrapping, can be saved and evaluated.
  • Another part of the invention are methods for
  • the engine temperature and engine speed are recorded. This is done, for example, by sensors 109 and 110.
  • the number of engine speeds Nl that exceed a predeterminable threshold value Nmaxl is recorded.
  • a further number of engine speeds N2 can also be detected, which exceed a threshold value Nmax2 that is greater than Nmaxl. This could be continued with any number of threshold values Nmaxi.
  • an average engine speed Nmean can be used. Likewise, the
  • the degree of wear AG is as follows:
  • the weighting factors a1 to a6 or ai are parameters which are to be determined in an application-specific manner and, if appropriate, are dynamically adaptable.
  • the value AG of the degree of wear can then be automatically assigned, for example in tabular form or via a map, for example to a residual value of the vehicle as well as the remaining life of the vehicle, its subsystems and components. Depending on the authorization, this information can also be automatically displayed or transmitted to the keeper, the driver or other persons and institutions by radio as a display in the vehicle.
  • the parameters relevant for the determination of the degree of wear can be determined by test series before the market launch and empirical values from the operating phase.
  • the start values for the degree of wear are adjusted during the entire vehicle life cycle or the use phase.
  • the weighting factors al to a6 or ai are adapted to the current situation or the current state in which data is retrieved 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.
  • Engine temperature can be determined whether it is a cold or warm start, the vehicle speed, the braking force, the braking time, the lateral acceleration, a vertical acceleration, for example to detect vibrations when driving through potholes, etc.
  • FIG. 4 shows a more complex type of evaluation in comparison to the above-mentioned example.
  • the central unit comprises at least one of the aforementioned storage media and the data bus, but can additionally comprise a control unit.
  • the central control or central unit 400 provides different input information for an interpretation means 401 via lines 402 and 403.
  • the interpretation means 401 is designed as a simple switching means. If the vehicle or an in-vehicle component is put into operation, which is communicated to the interpretation means 401 by the control signal StS.
  • the interpretation means 401 then switches as switching means from the low level on line 403 to the high level on line 402, whereby, for example, a subsequent circuit can only be made functional.
  • the control element StS does not set the interpretation element 401 into the operating state (high level), it can additionally be prevented that an offset OS or a weighting WS is output, which only contributes to the degree of wear if the vehicle or the component is put into operation.
  • an offset signal OS is applied to the output, the signal level SP of element 401.
  • the offset OS is simply added up.
  • the quantity SPO applied with the offset OS is now provided in the element 405 with a weighting or a weighting signal WS.
  • the weighting WS is simply multiplied as a factor.
  • the weighting WS and / or the offset OS are formed from the input signals ES of the central unit 400. These input signals ES correspond to the data to be stored and evaluated in the storage medium. The storage medium is thus contained in the central unit 400.
  • the quantity SPOW thus loaded with weighting WS and offset OS is now fed to an integrating element 406.
  • the quantities SPOW that are successively received with offset OS and weighting WS are integrated. This creates a variable at the output of the integrator that corresponds to a usage or a usage period, a usage signal NS.
  • Element 407 then serves as a comparison element.
  • a comparison signal VS is fed to the comparison element 407.
  • This comparison signal VS which has a threshold function, can be used, for example be used, if it is exceeded to replace at least one component, shorten service intervals or carry out necessary repairs.
  • the output variable or the output signal AS of the comparison element 407 indicates this.
  • This size AS can then either be shown to the vehicle driver via a driver display, but also via radio from a workshop or a fleet dispatcher.
  • the sequence shown in FIG. 4 can also be implemented completely in software. It is also possible to provide such a system for each or at least a selection of vehicle components. As a result, the degree of utilization or performance can be determined for each component and its combination can be determined for the entire vehicle.
  • the offset OS would be the
  • Corresponding number of starts and the weighting WS would, for example, affect the engine temperature. Compared to the previous method, this would allow a finer relationship between the start and engine temperature than a cold and warm start distinction.
  • the offset OS would correspond to the load change and the engine temperature would also flow in here via the weighting WS.
  • the offset OS would result in the case of brake intervention, and the weighting WS would reflect the strength of the braking torque.
  • the same could be shown for engine fans, spark plugs, vehicle engines, clutches or gears, injection valves, etc.
  • environmental conditions can also be introduced, for example, as weighting or weighting factors. For example, driving at constant low temperatures or on rough roads as well as frequent cornering shortens the lifespan of the vehicle. Either the steering angle setting or also can be used for detection when cornering frequently a navigation system from which the routes traveled can be recognized. Frequent driving in the rain on wet and muddy ground can also increase vehicle corrosion and thus shorten the overall service life.
  • the invention can simplify the handling of warranty claims or insurance claims as well as protection against manipulation, for example against installation and operation of incorrect components or the use of incorrect components
  • Data in particular adjustment data, take place.
  • the vehicle history is also 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)

Abstract

Dispositif et procédé permettant de stocker et/ou traiter des données dans une mémoire de véhicule. Les données sont transmises à l'intérieur du véhicule par un bus de données (108), auquel sont connectés et peuvent être connectés des composants tels que systèmes (111, 112, 113) de véhicule, capteurs (114), actionneurs (115) et autres (116). La mémoire, configurée sous forme de support de données central (101) pour les composants connectés au bus de données, est également connectée à ce dernier. Les données restent stockées dans le support de données (101) durant toute la durée d'utilisation du véhicule. Elles sont interprétées par un moyen de traitement (102-104) pouvant être connecté avec le support de données, de préférence de façon à fournir une indication de l'utilisation et/ou de l'usure du véhicule et/ou des composants.
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)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19914764 1999-03-31
DE19914764 1999-03-31
PCT/DE2000/000922 WO2000060547A1 (fr) 1999-03-31 2000-03-25 Procede et dispositif permettant de stocker des donnees dans un vehicule et de traiter les donnees stockees

Publications (2)

Publication Number Publication Date
EP1169686A1 true EP1169686A1 (fr) 2002-01-09
EP1169686B1 EP1169686B1 (fr) 2003-06-04

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EP00930986A Expired - Lifetime EP1169686B1 (fr) 1999-03-31 2000-03-25 Procede et dispositif permettant de stocker des donnees dans un vehicule et de traiter les donnees stockees

Country Status (4)

Country Link
US (1) US6748305B1 (fr)
EP (1) EP1169686B1 (fr)
DE (2) DE50002456D1 (fr)
WO (1) WO2000060547A1 (fr)

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US6598040B1 (en) * 2000-08-14 2003-07-22 International Business Machines Corporation Method and system for processing electronic search expressions
GB2416602A (en) * 2004-07-24 2006-02-01 Bosch Gmbh Robert System and method of controlling an operating process in a vehicle.

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WO2000060547A1 (fr) 2000-10-12

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