EP1949612A1 - Systeme de communication pour un appareil technique, en particulier pour un vehicule a moteur - Google Patents

Systeme de communication pour un appareil technique, en particulier pour un vehicule a moteur

Info

Publication number
EP1949612A1
EP1949612A1 EP06793684A EP06793684A EP1949612A1 EP 1949612 A1 EP1949612 A1 EP 1949612A1 EP 06793684 A EP06793684 A EP 06793684A EP 06793684 A EP06793684 A EP 06793684A EP 1949612 A1 EP1949612 A1 EP 1949612A1
Authority
EP
European Patent Office
Prior art keywords
functional
systems
communication system
functional systems
malfunction
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Withdrawn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
EP06793684A
Other languages
German (de)
English (en)
Inventor
Tudor-Ion Gamulescu
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.)
Continental Automotive GmbH
Original Assignee
Continental Automotive 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 Continental Automotive GmbH filed Critical Continental Automotive GmbH
Publication of EP1949612A1 publication Critical patent/EP1949612A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40—Bus networks
    • H04L12/407—Bus networks with decentralised control
    • H04L12/417—Bus networks with decentralised control with deterministic access, e.g. token passing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00—Arrangements for monitoring or testing data switching networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40—Bus networks
    • H04L12/40169—Flexible bus arrangements
    • H04L12/40176—Flexible bus arrangements involving redundancy
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40—Bus networks
    • H04L2012/40267—Bus for use in transportation systems
    • H04L2012/40273—Bus for use in transportation systems the transportation system being a vehicle

Definitions

  • the invention relates to a communication system for a technical device, in particular for a motor vehicle and a motor vehicle with a communication system.
  • a functional system has in its Thompsons ⁇ th form thereby an evaluation unit and at least one coupled to the evaluation unit for signal exchange function ⁇ component.
  • a functional system may be formed, for example, by a personal protection system. This has, in addition to the evaluation of a ver-bound ⁇ Senso ⁇ k to a drive unit for one or more protection systems.
  • Another functional system which generally exists in a motor vehicle relates, for example, to communication and / or entertainment devices which likewise have an evaluation unit, which are connected, for example, to a receiver unit and to a functional unit controlling the communication and / or entertainment function.
  • there are other functional systems for example, the operation of a power window, the electric seat adjustment, the air conditioning or the ESP (Electronic Stability Program), etc. concern.
  • one functional system uses sensor values derived from other functional systems, e.g. be provided on a bus.
  • the object of the present invention is therefore to provide a com- munikationssystem for a technical device to specify particular for a motor vehicle, which in a simple manner an improved safety in case of failure of individual componentsmetriskom ⁇ ensured.
  • This task is accomplished by a communication system with the
  • the communication system according to the invention for a technical device in particular for a motor vehicle, has a plurality of ⁇ functional systems, which each serve to monitor and control of mutually different functions of the technical device, and which each have an evaluation ⁇ value unit and at least one with the evaluation have functional component coupled to the signal exchange.
  • ⁇ least to one of the functional systems is adapted to a malfunction and / or a functional failure of at least detect one of the other functional systems, and in the case of a malfunction and / or a malfunction of the at least one other functional system to take over at least parts of the functionality of the at least one other functional system.
  • the term of the communication system is within the hen ahead ⁇ invention as a function of the system network to verste ⁇ comprising a plurality of functional systems with different borrowed objects, both communicative and non-communicative manner.
  • the invention proposes a communications system in which those different technical functions associated conces-, functional systems are networked together so that the failure of a functional system can be taken over by another functional system a functional component.
  • the function system adopting the functionality need not have any overlap in its actual function with the function of the failing functional system.
  • this also includes the case that the functionality is taken over by a function-like functional system.
  • the communication system according to the invention thus breaks the hitherto made strict separation between such functional systems, which serve to control and monitor mutually different functions of the technical device, thus creating a failure-tolerant architecture of the communication system.
  • This architecture allows networking and coordination of the individual functional systems to one another so that at least safety-critical functionalities can be taken over by at least one of the remaining functional systems that are still functional.
  • this procedure allows a special type of fault diagnosis since it is not exclusively used internally. half a functional system, but across a plurality of functional systems is feasible. This allows further optimization of the resources used, since redundancies within a functional system, which considerably increase the costs, are now no longer necessary. Is the necessary condition for this approach ⁇ , the linking of individual functional systems of a communication system so that these functions can take one of a functional system of a malfunction and / or a functional failure.
  • the functional systems have as functional components in each case at least one sensor unit, which can provide an output signal to the evaluation unit, and at least one drive unit, which captures an image formed by the evaluation drive signal emp ⁇ .
  • the one or more radio ⁇ tion system a classic division of functions in transmitter tion, evaluation / calculation / evaluation and control, for example a Aktuato ⁇ k on. Such a division of a functional system is particularly encountered when used in motor vehicles.
  • a communication connection between the respective evaluation units of at least two of the functional systems is provided.
  • the assumption of functionality or is a part of the functionality of a ⁇ of a function onsstructure and / or a functional failure of the affected evaluation unit possible.
  • the invention provides that a communication connection is provided between the evaluation unit of one of the functional systems and the functional components of at least one of the other functional systems and vice versa.
  • a communication connection is provided between the evaluation unit of one of the functional systems and the functional components of at least one of the other functional systems and vice versa.
  • the communication connection can be formed by respective discrete lines or in another embodiment by a data bus according to an embodiment.
  • the latter Mög ⁇ allowed friendliness by appropriate modification of the data transmitted via the data bus messages in a particularly simple re ⁇ alization of the function system-wide architecture.
  • a malfunction and / or a functional failure of the other functional system by the receiving function system be ⁇ in the case of tunable maintained which parts of the functionality of the other functional system, and which parts of the functionali ⁇ ty not be taken of the other functional system.
  • This procedure has the advantage that the resources, eg the memory or the processor power, of a receiving functional system need not be designed so large that a plurality of functionalities of different functional systems can be adopted and executed at the same time.
  • the communication system according to the invention can also be implemented advantageously from a cost point of view.
  • a zent ⁇ rales storage means is provided, which can access all the Funk ⁇ tion systems, and its data for the functional systems (in particular their evaluation) of the communication system can be read out, the data in the
  • Storage means comprises configuration data and / or execution codes of the functional systems. This realization makes it possible to no longer have to provide the configuration data and / or execution codes necessary for the execution of certain functionalities in the communication system.
  • the storage medium ⁇ cherstoff only configuration data and / or execution code includes such functional systems whose functionality in the event of a malfunction and / or a functional failure of one of the functional systems can be taken over.
  • These may be, for example, data relating to safety-related functionalities, such as personal protective equipment in a motor vehicle. Data concerning, for example, comfort features of a vehicle and for the safe operation of the vehicle
  • Vehicle are not necessarily important, need not be held in the memory according to this embodiment, which can be made small in size.
  • a CD compact disc
  • DVD digital versatile disc
  • At least one of the radio ⁇ tion systems on a storage means whose data are readable by the functional system in question, wherein the data in the storage means configuration data and / or execution codes of the functional system or whose functionality in case of malfunction and / or function failure of another functional system.
  • the provision of ent ⁇ speaking necessary to take over the functionality of the data provided in the respective function system which is chosen to take over the functionality.
  • the communication system according to the invention is intended for use in a motor vehicle.
  • the invention also relates to a motor vehicle having a communication system of the type described above.
  • the idea of the invention can thus be seen to provide redundancy, which is implemented across functional systems.
  • the respective redundancy-providing functional systems perform primarily voneinan ⁇ the different tasks, so that the redundancy is not created by the double provision of identical functional components.
  • Figure 1 shows a first embodiment of a erfindungsge ⁇ MAESSEN communication system
  • FIG. 2 shows a second exemplary embodiment of a communication system according to the invention.
  • Fig.l shows a first Ausf ⁇ hrungsbeispiel ⁇ a communication system according to Invention 1.
  • the communication system 1 has, for example three functional systems 10, 20, 30.
  • the functional systems 10, 20, 30 are used to monitor and Steue ⁇ tion of mutually different respective functions of the communication system 1.
  • the communication system 1 can be designed in ⁇ play, in a motor vehicle.
  • Each of the functional systems 10, 20, 30 has a uniform Ausenseein ⁇ 11, 21, 31 and connected theretoginaskompo ⁇ components 12, 13 and 22, 23 and 32, respectively.
  • 33 Thejanskom ⁇ components 12, 22, 32 may, for example, as the sensor units 14, 24 may be formed 34th
  • the functional components 13, 23, 33 may, for example, drive units 15, 25, 35 ausbil ⁇ the.
  • the functional components of a functional system are each connected ⁇ wells via lines 16, 17 and 26, 27 and 36, 37 to the evaluation unit 11 or 21 or 31 of the respective functional system 10, 20, 30th
  • the function system 10, for example, ty or functionali ⁇ at least parts thereof of the other functional systems 20, 30 can take over the function unit 12 is obligations over Lei ⁇ 16a, 16b to the evaluation units 21 and 31, the function of system 20, 30.
  • the functional component 13 is connected via lines 27a, 37b to the evaluation units 21 or 31 of the functional systems 20, 30. So that a functional assumption of the functionalities of the functional systems 10, 30 is possible by the functional system 20, the functional units 22 and 23 of the functionali ⁇ onssystems 20 via respective lines 26a, 26b and 17a, 37a with the evaluation units 11 and 31 of the functional systems 10 and 30 connected.
  • a direct connection via lines 36b, 36a and 17b, 27b of the func ⁇ onskomponenten 32, 33 of the functional system 30 with the evaluation 11, 21 of the functional systems 10, 20 is provided.
  • each of the evaluation units 11, 21, 31 is provided with a storage means 18 or 28 and 38, respectively.
  • the memory means 18 of the evaluation unit 11 are ⁇ configuration data and / or the execution code of the functional systems 20, 30th
  • the memory means 28 stores the configuration data and / or the execution code of the functional systems 10, 30.
  • the storage means 38 comprises the Configurati ⁇ onschal and / or the execution code of the functional systems 10, 20.
  • the configuration data and / or the execution code of the functional system 10, 20, 30 itself are provided in the respective storage means 18, 28, 38, or additional, not shown in the figure memory means.
  • the described communication topology of the individual components of the functional systems affords the possibility of recognizing and compensating functional failures of individual components.
  • the evaluation unit 21 can be supplied from the function component 12 data for further processing processed use to the functional component 23 of the functional system to be able to control in accordance with the twentieth
  • the evaluation and evaluation of the data supplied by the functional component 32 can, according to the idea of the invention, instead be processed by the evaluation unit 11 and / or 21 of the functional systems 10, 20. For this, they detect the failure of the evaluation unit 31, for example, by monitoring the absence of messages on the lines 61, 62 to the evaluation unit 31. Due to the possibility of access to the Configurati ⁇ onschal and / or the execution code of the evaluation unit 31 in the memories 18, 28, the data supplied from the function component 32 can be evaluated.
  • a control of the functional component 33 is performed by one of the evaluation units 11 or 21.
  • the inventive architecture of the communication system 1 allows the respective functional systems 10, 20, 30 without provide respective redundancies within one of the functional systems.
  • the redundancy is instead provided by the overarching communication between the independent functional systems.
  • a communication link between all of the functional systems 10, 20, 30 is present to each other.
  • the architecture of the communication system may also be designed such that only some of the functional systems have a communication link to each other but not to other functional systems.
  • the choice of which of the functional systems is to be linked to one another can be made according to aspects of the functionality provided in each case, in particular the monitoring and control functions of the functional systems.
  • crosslinking is to provide such functional systems, which fulfill the rule within a technical device ⁇ safety-critical tasks.
  • FIG. 2 shows a second embodiment of the erfindungsge ⁇ MAESSEN communication system 1. This has, as in the example vorange ⁇ gangenen way of example only threeréssyste ⁇ me 10, 20, 30.
  • Each of the functional systems 10, 20, 30 has - as in the previous exemplary embodiment - once again by way of example only two functional components 12, 13 or 22, 23 or 32, 33 which are in communication connection to a respective evaluation unit 11, 21, 31 stand.
  • bus lines 40, 50 An carried out according to these are thejanskompo ⁇ components 12, 22, reasonable 32 via respective lines 41, 42, 43 concluded.
  • the evaluation units 11, 21, 31 have a connection to the two bus lines 40, 50 via lines 44, 51 or 45, 52 and 46, 53. about Lines 54, 55, 56, the bus line 50 with respective functional components 13, 23, 33 is connected.
  • the communication structure illustrated in this exemplary embodiment in particular makes it possible to communicate a plurality of functional systems 10, 20, 30 in a simple manner, without having to make major changes to hardware components.
  • the corresponding communication takes place by modification or adaptation of the messages transmitted via the bus lines 40, 50 or via an adaptation of the protocols used for this purpose.
  • the data provided by a functional component of a particular functional system available range are subjected to HE of one of the other functional ⁇ systems as part of the regular operation for processing.
  • measured values provided by a particular sensor can be processed by multiple functional systems.
  • the memory means 70 may be any type of memory, such as a hard disk or other non-volatile memory.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Small-Scale Networks (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

Système de communication (1) pour un appareil technique, en particulier pour un véhicule à moteur, comportant une pluralité de systèmes fonctionnels (10; 20; 30) qui servent à la surveillance et à la commande de fonctions distinctes de l'appareil technique et qui possèdent chacun une unité d'évaluation (11; 21; 31) ainsi qu'au moins une composante fonctionnelle (12, 13; 22, 23; 32, 33) couplée à l'unité d'évaluation (11; 21; 31) en vue de l'échange de signaux. Au moins un des systèmes fonctionnels (10;20;30) est conçu pour détecter une perturbation fonctionnelle et / ou une défaillance fonctionnelle d'au moins un des autres systèmes fonctionnels (10; 20; 30), et pour prendre en charge au moins des parties de la fonctionnalité de l'autre (des autres) système(s) fonctionnel(s), en cas de perturbation fonctionnelle et / ou de défaillance fonctionnelle de l'autre (des autres) système(s) fonctionnel(s) (10; 20; 30).
EP06793684A 2005-09-28 2006-09-20 Systeme de communication pour un appareil technique, en particulier pour un vehicule a moteur Withdrawn EP1949612A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005046373A DE102005046373B4 (de) 2005-09-28 2005-09-28 Kommunikationssystem für ein technisches Gerät, insbesondere für ein Kraftfahrzeug
PCT/EP2006/066556 WO2007036472A1 (fr) 2005-09-28 2006-09-20 Systeme de communication pour un appareil technique, en particulier pour un vehicule a moteur

Publications (1)

Publication Number Publication Date
EP1949612A1 true EP1949612A1 (fr) 2008-07-30

Family

ID=37564240

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06793684A Withdrawn EP1949612A1 (fr) 2005-09-28 2006-09-20 Systeme de communication pour un appareil technique, en particulier pour un vehicule a moteur

Country Status (7)

Country Link
US (1) US20080228350A1 (fr)
EP (1) EP1949612A1 (fr)
JP (1) JP2009509839A (fr)
KR (1) KR20080082605A (fr)
CN (1) CN101278526A (fr)
DE (1) DE102005046373B4 (fr)
WO (1) WO2007036472A1 (fr)

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US10397019B2 (en) * 2015-11-16 2019-08-27 Polysync Technologies, Inc. Autonomous vehicle platform and safety architecture
DE102016116751A1 (de) 2016-09-07 2018-03-08 Xtronic Gmbh Bussystem zum Realisieren einer elektronischen Steuerung oder einer elektrischen Regelung sowie Fahrzeug
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Also Published As

Publication number Publication date
JP2009509839A (ja) 2009-03-12
DE102005046373B4 (de) 2007-12-13
DE102005046373A1 (de) 2007-04-05
KR20080082605A (ko) 2008-09-11
WO2007036472A1 (fr) 2007-04-05
CN101278526A (zh) 2008-10-01
US20080228350A1 (en) 2008-09-18

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