EP3403149A1 - Procédé et système de transmission d'informations - Google Patents

Procédé et système de transmission d'informations

Info

Publication number
EP3403149A1
EP3403149A1 EP16797817.0A EP16797817A EP3403149A1 EP 3403149 A1 EP3403149 A1 EP 3403149A1 EP 16797817 A EP16797817 A EP 16797817A EP 3403149 A1 EP3403149 A1 EP 3403149A1
Authority
EP
European Patent Office
Prior art keywords
component
data structure
data
information
transport
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Withdrawn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
EP16797817.0A
Other languages
German (de)
English (en)
Inventor
Rainer Baumgaertner
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 EP3403149A1 publication Critical patent/EP3403149A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/46—Multiprogramming arrangements
    • G06F9/465—Distributed object oriented systems
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/25—Integrating or interfacing systems involving database management systems
    • G06F16/258—Data format conversion from or to a database
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
    • G05B19/19—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by positioning or contouring control systems, e.g. to control position from one programmed point to another or to control movement along a programmed continuous path
    • G05B19/40—Open loop systems, e.g. using stepping motor
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/30003—Arrangements for executing specific machine instructions
    • G06F9/30007—Arrangements for executing specific machine instructions to perform operations on data operands
    • G06F9/30025—Format conversion instructions, e.g. Floating-Point to Integer, decimal conversion
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44—Arrangements for executing specific programs
    • G06F9/448—Execution paradigms, e.g. implementations of programming paradigms
    • G06F9/4488—Object-oriented
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44—Arrangements for executing specific programs
    • G06F9/448—Execution paradigms, e.g. implementations of programming paradigms
    • G06F9/4488—Object-oriented
    • G06F9/4493—Object persistence
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/20—Pc systems
    • G05B2219/26—Pc applications
    • G05B2219/2637—Vehicle, car, auto, wheelchair
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/14—Handling requests for interconnection or transfer
    • G06F13/36—Handling requests for interconnection or transfer for access to common bus or bus system

Definitions

  • the invention relates to the transmission of information.
  • the invention relates to the transmission of structured information on a data bus of a motor vehicle.
  • a data bus is provided to couple different components together.
  • a first component may comprise a sensor and a second component a control unit, wherein the sensor provides the control unit with certain information.
  • the sensor can summarize the information in a predetermined data structure and transmit it via the data bus to the control unit.
  • the data structure comprises an ordered sequence of predetermined data fields.
  • the individual data fields each have a predetermined amount and follow each other directly. If necessary, special
  • the present invention is therefore based on the object of specifying a technique by means of which information between a first and a second Component in particular on board a motor vehicle improved can be replaced.
  • the invention solves this object by means of a method, a computer program product and a system having the features of the independent claims. Subclaims give preferred embodiments again.
  • One method of communicating information includes steps of arranging information in a data structure, communicating the data structure from a first component to a second component using a transport component, and converting the data structure into a first object that implements a predetermined abstract data type.
  • the data structure contains an indication of its conversion into the first object.
  • the abstract data type may include a collection of data along with the definition of all valid operations that access the data.
  • An application on the part of the second component can thus work directly on an object.
  • Object-oriented programming is already established in many areas, and delivering objects that contain information can support this approach.
  • the object may allow access to the information only by one or more methods provided.
  • an access control can also be implemented, which only allows a predetermined second component access to a pre-determined method. Misuse of information can thus be prevented.
  • Ideas or content to which the information relates can thus be better protected. For example, different manufacturers can produce components on board the motor vehicle, which can communicate with one another by means of the transport component, wherein information can be exchanged specifically without allowing any access.
  • the data structure comprises a description of the object.
  • the description may for example be written in a known description syntax, for example by means of ASN.1 or in an XML variant.
  • the data structure comprises the object in a serialized form.
  • the object and its methods can be mapped in the data structure.
  • an implementation of a method may also be part of the serialized object.
  • the data structure is arranged to be converted into a second object having a predetermined abstract
  • the second object is different from the first object.
  • the second object may be an extension of the first object.
  • the first component acquires additional capabilities, it may expand the data structure, with an older second component, based on the data structure, unchanged providing the first object and a newer second component based on the same data structure, a second object Object has additional methods, formats, properties or characteristics relative to the second object.
  • the second object may be backward compatible with the first object.
  • a version management of components in a system, in particular on board a motor vehicle can thereby be massively simplified. be facht. In particular, it is possible to renew one of the components without having to renew another.
  • a computer program product comprises program code means for carrying out the method described above when the computer program product runs on a processor or is stored on a computer-readable medium.
  • a system in particular on board a motor vehicle, comprises a first and a second component which are interconnected by means of a transport component.
  • the first component is set up to arrange information in a data structure and to transfer the data structure to the transport component, wherein the transport component allows the transport of the data structure.
  • the second component is arranged to take over the data structure from the data connection, the second component comprising a converter adapted to transform an inherited data structure into a first object that implements a predetermined abstract data type.
  • the converter can be provided for example as a library function (Library). If the first transmitting component is changed so that the data structure has a different format, an associated translator may also be provided to be used in the second component. For example, a manufacturer of the first component may provide library-style translators to different manufacturers of different second components, so that the implementation of the second components is essentially limited to accessing objects. The actual transport of information or data structures can be completely transparent for the second component. Conversely, the translation of information into the data structure and back into information can be fully controlled by the first manufacturer without having to deal with the processing of information from the second component. Collaboration between components and between their manufacturers can be improved. A functional safety for the system can be increased. Test cycles can be shortened.
  • the first component comprises a sensor, the second component a control unit or the transport component a data bus.
  • both components each comprise a control unit.
  • the first component may also comprise an actuator, which may comprise a corresponding communication and processing capability, for example as an "intelligent actuator.”
  • the actuator may comprise an engine control unit, a steering control unit or a brake control unit
  • the components may comprise programs that can run independently of each other and communicate with each other by means of the data structures The direction in which information is communicated between the components. is arbitrary.
  • Fig. 1 shows a system and a method
  • Fig. 2 illustrates a component of the system of Fig. 1.
  • FIG. 1 shows a system 100, in particular for use on board a motor vehicle.
  • the system 100 comprises a first component 105, a second component 110, optionally a third component 15 and a transport component 120 for connecting the components 105 to 15.
  • the first component 105 may in particular comprise a sensor provided with a scanning device 125 for Detection of an object 130 is coupled.
  • the scanner 125 may include a radar or lidar sensor
  • the object 130 may include, for example, a person or a motor vehicle.
  • the first component 105 may include, for example, a controller.
  • the second component 110 and the third component 15 are preferably each formed by a control device or a control device.
  • the second component 1 10 can be provided, for example, for implementing a speed assistant (ACC, Adaptive Cruise Control) and the third component 1 15 for implementing a parking assistant.
  • ACC Adaptive Cruise Control
  • Such functionalities are also known as middleware, which is based on an existing infrastructure, which in particular includes hardware, and can serve as part of a higher-level control mechanism, such as an autonomous control of the motor vehicle.
  • Both controllers 1 10, 1 15 can access information from the sensor 105, wherein different information needs may be present.
  • Each of the components 105-115 includes a functional component 135 and a translator 140.
  • the functional component 135 typically implements only the functionality required to process information without worrying about transporting information.
  • the converters 140 serve to enable the transmission of information about the transport component 120.
  • a method 150 it is proposed in a method 150 to arrange information 155 in a step 160 in a data structure 165, to transmit it in a step 170 by means of the transport component 120 and to convert it into a first object 180 or a second object 185 in a step 175.
  • the second object 185 is an extension of the first object 180.
  • Both objects 180, 185 comprise a number of predetermined properties or methods 190.
  • the second object 185 preferably comprises at least one additional or extended method 190.
  • the converter 135 can operate in different modes, which can also be offered simultaneously.
  • a first mode backward compatibility is established in that the first object 180 is essentially a known sequence (struct) of base types (eg, int, float, bool).
  • the first object 180 or a reference to the first object 180 is provided.
  • a second mode the first object 180 is provided with access methods, the access methods being implemented on elements of the known sequence.
  • the hidden interface is realized as a detailed data interface with object-oriented access.
  • object-oriented access is done with hidden
  • the data structure 165 is preferably selected to include an indication of how the data structure 165 is to be converted into the object 180 or 185. In a simple embodiment, a version number can be specified for this purpose.
  • the indicia 195 includes further information, particularly regarding at least one of the methods 190.
  • the indicium 195 may also include a complete definition of one of the methods 190.
  • the object 180 or 185 may be present in the data structure 165 completely linearized. In this case, all the properties of the object 180, 185, including the methods 190, can be specified in a predetermined description form. In one embodiment, information 155 is also attached.
  • the sensor 105 which transmits information 155 to the first component 105 of the system 100
  • distance measurements for the object 130 can be arranged as information 155 in the data structure 165.
  • the data structure 165 is transmitted to the first component 105 and converted there by means of the converter 140 into the first object 180.
  • the converter 140 may be provided by a manufacturer of the sensor 105 so as to ensure that the first object 180 fits the data structure 165 and the information 155 in a predetermined manner.
  • the first object 180 may then be processed by the functional component 135 of the first grain component 105 may be used to determine, for example, whether a longitudinal speed of the vehicle on which the system 100 is installed needs to be reduced to reduce the risk of landing on the object 130.
  • the third component 1 15 can also receive data structures 165 which can be converted into the first object 180 by means of the converter 140. If the first component 105 is now changed, for example by using a sampling device 125 which has improved resolution in the near range, it may be advantageous to adapt the data structure 165 in order to provide the more precise information 155 of the third component 15. It is proposed that the data structure 165 be adapted to be converted to the first object 180 as before, but in addition to which it is possible to convert it to the second object 185, which is preferably downwardly compatible with the first object 180. For example, an additional method 190 may be provided that allows retrieval of a distance to the object 130 with improved accuracy, for example, in units of centimeters rather than units of meters.
  • the original methods 190 of the first object 180 are preferably not changed in this case.
  • the converter 140 for the third component 1 15 is also provided by the manufacturer of the first component 105.
  • the functional component 135 of the third component 15 can then operate object-oriented on the basis of the second object 185, without being affected by the restrictions of the first object 180.
  • FIG. 2 shows a component 110, 15 of the system 100 of FIG. 1.
  • the component 1 10, 1 15 receives from the transport component 120, a data structure 165, which is shown by way of example in the right pane of Figure 2 approach.
  • the converter 140 is preferably provided as a library.
  • a manufacturer of the first component 105 may, for example, provide a library or an executable binary program which implements the converter 140 on the part of the second component 110 or the third component 15.
  • the converter 140 provides an object 180, 185 based on the data structure 165 that implements a predetermined abstract data type.
  • the abstract data type includes a collection of data (information) along with the definition of all allowed operations that access the data.
  • a fragment of an example of a structure of an object 180, 185 is shown in the right-hand portion of FIG.
  • the provided object 180, 185 can then be provided to the function component 135 which tracks higher abstracted targets, as in the above example a longitudinal control of the motor vehicle in the case of the speed assist on the second component 110 or an example acoustic or haptic distance warning in the case of the parking assistant the third component 1 15.

Landscapes

  • Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Databases & Information Systems (AREA)
  • Human Computer Interaction (AREA)
  • Manufacturing & Machinery (AREA)
  • Automation & Control Theory (AREA)
  • Data Mining & Analysis (AREA)
  • Traffic Control Systems (AREA)
  • Information Transfer Between Computers (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Small-Scale Networks (AREA)
  • Radar Systems Or Details Thereof (AREA)

Abstract

L'invention concerne un procédé de transmission d'informations qui comprend les étapes consistant à disposer des informations selon une structure de données, transmettre la structure de données d'un premier composant à un second composant au moyen d'un composant de transport et convertir la structure de données en un premier objet qui met en œuvre un type de données abstrait prédéterminé. La structure de données comprend une indication sur sa conversion en le premier objet.
EP16797817.0A 2016-01-13 2016-11-10 Procédé et système de transmission d'informations Withdrawn EP3403149A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016200322.4A DE102016200322A1 (de) 2016-01-13 2016-01-13 Verfahren und System zur Informationsübermittlung
PCT/EP2016/077346 WO2017121513A1 (fr) 2016-01-13 2016-11-10 Procédé et système de transmission d'informations

Publications (1)

Publication Number Publication Date
EP3403149A1 true EP3403149A1 (fr) 2018-11-21

Family

ID=57345905

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16797817.0A Withdrawn EP3403149A1 (fr) 2016-01-13 2016-11-10 Procédé et système de transmission d'informations

Country Status (6)

Country Link
US (1) US20190012355A1 (fr)
EP (1) EP3403149A1 (fr)
JP (1) JP2019505044A (fr)
CN (1) CN108463781A (fr)
DE (1) DE102016200322A1 (fr)
WO (1) WO2017121513A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017217663A1 (de) * 2017-10-05 2019-04-11 Bayerische Motoren Werke Aktiengesellschaft Analyse einer Datenstruktur
DE102019132476A1 (de) 2019-11-29 2021-06-02 Dspace Digital Signal Processing And Control Engineering Gmbh Modul mit einer Serialisierereinheit und verbesserter Kompatibilität zu Deserialisierereinheiten unterschiedlicher Baureihen

Family Cites Families (12)

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Publication number Priority date Publication date Assignee Title
JPH08161208A (ja) * 1994-12-08 1996-06-21 Fujitsu Ltd オブジェクト構造変換装置
US6496871B1 (en) * 1998-06-30 2002-12-17 Nec Research Institute, Inc. Distributed agent software system and method having enhanced process mobility and communication in a computer network
US7149965B1 (en) * 1999-08-10 2006-12-12 Microsoft Corporation Object persister
EP1290547B1 (fr) * 2000-05-09 2004-01-07 Sun Microsystems, Inc. Transformation d'objets entre un langage de programmation et un langage de representation de donnees
US7197512B2 (en) * 2003-03-26 2007-03-27 Microsoft Corporation Type bridges
DE102005014782A1 (de) * 2005-03-31 2006-10-05 Siemens Ag Verfahren und Vorrichtung zum Übertragen von Daten auf einer Datenleitung zwischen einem Steuergerät und einem dezentralen Datenverarbeitungsgerät
CN100458793C (zh) * 2007-05-10 2009-02-04 浪潮集团山东通用软件有限公司 数据访问层Xml格式数据与关系数据间的映射转换方法
US7885292B2 (en) * 2008-02-11 2011-02-08 International Business Machines Corporation Method, system, and computer program product for data exchange
US8495630B2 (en) * 2010-11-03 2013-07-23 International Business Machines Corporation Transferring objects between virtual machines
DE102010043722A1 (de) * 2010-11-10 2012-05-10 Robert Bosch Gmbh Verfahren zur Steuerung einer Informationsausgabe
DE102013217772A1 (de) * 2013-09-05 2015-03-05 Robert Bosch Gmbh Daten- und/oder Kommunikationsgerät sowie Verfahren zu dessen Steuerung
US9727567B2 (en) * 2015-03-25 2017-08-08 Ca, Inc. Transferring data using a data bridge structure

Also Published As

Publication number Publication date
DE102016200322A1 (de) 2017-07-13
JP2019505044A (ja) 2019-02-21
US20190012355A1 (en) 2019-01-10
WO2017121513A1 (fr) 2017-07-20
CN108463781A (zh) 2018-08-28

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