Method for transmitting communication data between vehicle components of a motor vehicle
A vehicle component and communication data technology, which is applied in the direction of data exchange, transmission system, digital transmission system, etc. through path configuration, can solve the problem of heavy gateway load, etc., and achieve the effect of flexible data protocol
Active Publication Date: 2021-04-27
AUDI AG
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Problems solved by technology
A disadvantage in the case of a gateway is that the total data traffic to be exchanged between the two module buses has to be routed via the gateway, so that the gateway can be overloaded
Method used
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Embodiment Construction
[0028] figure 1 A motor vehicle 1 is shown, which can be, for example, a motor vehicle, in particular a passenger car. For better orientation, the vehicle longitudinal direction or X-direction extending from the vehicle rear 2 to the vehicle front 3 is shown. Motor vehicle 1 can have control devices 5 , 6 , 7 , 8 , 9 , 10 . The shown control devices 5 - 10 are only exemplary. Each of the control devices 5 - 10 can be, for example, a vehicle component of the motor vehicle 1 . In order to supply the control devices 5 - 10 , an on-board electrical system 11 can be provided in the motor vehicle 1 , via which the control devices 5 - 10 can be connected to a power supply 12 . For this purpose, a positive line 13 and a ground line 14 can be provided, for example, in a known manner via the vehicle electrical system 11 . The ground wire 14 may in particular be formed as a body ground, eg based on a ground stud, or as a separate, independent ground return.
[0029] To illustrate a ...
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The invention relates to a method for transmitting communication data (19) between a plurality of vehicle components (5-10) of a motor vehicle (1), wherein the plurality of vehicle components (5-10) are connected via a common The channels (11) are connected to each other. The invention proposes that the vehicle components (5-10) transmit communication data (19) in pairs with each other, in such a way that one of the vehicle components (5) transmits the communication data (19) it wants to send independently of the demand In the case of the intended recipient, send via a channel (11), whereby the transmitted communication data (19) reaches some or all of the remaining vehicle components (6-10), at least one of the remaining vehicle components (6-10) The communication data (19) is read and stored as required via the channel (11), wherein all transmitting vehicle components (5-10) are based on the data stored in each transmitting vehicle independently of the bus master The transmission schedule (20) in the component (5-10) determines the transmission timing of the vehicle components performing the transmission.
Description
technical field [0001] The invention relates to a method for transmitting communication data between vehicle components of a motor vehicle. For this purpose, the plurality of vehicle components are coupled to one another via a common channel. The invention also relates to a motor vehicle which is designed to carry out the method. Background technique [0002] In order to enable vehicle components, such as control units and sensors, to exchange communication data in a motor vehicle, a data bus or communication bus is therefore required. The architecture of such a communication bus determines the data flow, ie, the architecture of the data bus determines which vehicle component can communicate with which other vehicle component directly or via a gateway. If this architecture is determined during the development phase of the motor vehicle, the wiring of the motor vehicle is designed accordingly. This process also does not allow a flexible and rapid development of additional ...
Claims
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IPC IPC(8): H04L12/417
CPCH04L12/417H04L12/40H04L2012/40273
Inventor B·海伦塔尔
Owner AUDI AG