GB2598554A - A distributed computing system for a motor vehicle - Google Patents

A distributed computing system for a motor vehicle Download PDF

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Publication number
GB2598554A
GB2598554A GB2013333.6A GB202013333A GB2598554A GB 2598554 A GB2598554 A GB 2598554A GB 202013333 A GB202013333 A GB 202013333A GB 2598554 A GB2598554 A GB 2598554A
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GB
United Kingdom
Prior art keywords
computing device
electronic computing
motor vehicle
computing system
distributed
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.)
Pending
Application number
GB2013333.6A
Other versions
GB202013333D0 (en
Inventor
Grünler Christian
Häußer Heiko
Bauer Jan
Wickler Hans
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.)
Mercedes Benz Group AG
Original Assignee
Daimler AG
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 Daimler AG filed Critical Daimler AG
Priority to GB2013333.6A priority Critical patent/GB2598554A/en
Publication of GB202013333D0 publication Critical patent/GB202013333D0/en
Priority to PCT/EP2021/069129 priority patent/WO2022042922A1/en
Publication of GB2598554A publication Critical patent/GB2598554A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/10—Protocols in which an application is distributed across nodes in the network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/10—Streamlined, light-weight or high-speed protocols, e.g. express transfer protocol [XTP] or byte stream
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/18—Network protocols supporting networked applications, e.g. including control of end-device applications over a network

Abstract

The invention relates to a distributed computing system 10 for a motor vehicle 12, wherein the system comprises at least a first electronic computing device 14 and a second electronic computing device 16, which are distributed from each other and are connected with each other via a connection element, and wherein the system comprises at least one periphery element (18, 20 figure 1), wherein the at least one periphery element transmits to or receives from the first electronic computing device a data package (22), and wherein the at least one periphery element is arranged close to the second electronic computing device, wherein the connection element is a high-speed data connection element 24 and the system is configured to transmit the data package from the at least one periphery element to the second electronic computing device and to transmit the data package from the second electronic computing device to the first electronic computing device or to transmit the data package from the first electronic computing device to the second electronic computing device and to transmit the data package from the second electronic computing device to the at least one periphery element. The high-speed data connection may be a Peripheral Component Interconnect Express connection.

Description

A distributed computing system for a motor vehicle
FIELD OF THE INVENTION
[0001] The invention relates to the field of automobiles. More particularly, the present disclosure relates to a distributed computing system for a motor vehicle.
BACKGROUND INFORMATION
[0002] Existing vehicle networking solutions consist of a series of sensor and actuator electronic computing devices that are connected via vehicle bus systems, for example, a CAN, CAN-FD, LIN or FlexRay, to form computing units, which control central functions of the vehicle. One example is a seat control unit integrated in the vehicle seat, which controls the adjusting motors and receives the operating commands from a central infotainment computer or seat adjustment switches via the vehicle controller area network (CAN). Typical central processing units, by which the control may be carried out, are, for example, a central infotainment computer, an internet-capable communication module, or classic function-related switch fields such as a climate control unit or a seat control switch.
[0003] In existing architecture solutions, it is also typical to divide the network into different function-related sub-systems, so-called domains, which each use a specific network solution. For example, the network may be differentiated at least between infotainment domains, a body domain, and a drive domain. Due to the often function-specific networking of the different domains, in combination with a simultaneously distributed arrangement of the respective components in the vehicle, a domain architecture creates a comparatively complex, heavy and expensive wiring harness.
[0004] Alternatively, there are attempts to concentrate as many of the components in a central vehicle computer as possible and integrate the functions on this central vehicle computer. However, in the stringent implementation of such networks, all sensors and actuators must be connected to the central computer, such as for example, all audio lines, lines for server motors, and switch loads, are brought together centrally. The resulting wiring harness of such a solution is typically heavier than, and at least as complex as, the initially mentioned existing architecture solutions.
[0005] EP 0 950 570 A2 discloses an automotive information system including a car audio system and other information units or devices, which is controlled by a small-sized computer that is also part of the automotive information system and that is loaded with a general-purpose operating system (OS). The automotive information system has a local BUS of a form conforming with the data form of the CPU, a PCI BUS that interconnects the units or devices of the system, and a PCI BUS boot controller that performs form conversion of data exchanged between these two types of buses. Audio data, which may be analog or digital and other data which are inherently digital are transmitted in the form of digital signals through the PCI BUS, and these data are processed digitally by the CPU. With this arrangement, the small-sized computer information devices such as a car audio system are combined in such a manner as not to impair the advantages of the computer and the information devices. Audio data when it is formed of analog signals is audio-to-digital converted into audio signals in the form of digital signals. Thus, audio data and other digital data are transmitted through a common digital circuit, so that the wiring layout is simplified and audio characteristic is stabilized against noise and change in the environmental conditions.
[0006] According to the state of the art, the often function-specific networking of the different domains in combination with simultaneously distributed arrangement of the respective components in the motor vehicle creates a need for a comparatively complex, heavy and expensive wiring harness.
[0007] It is an object of the invention to provide a distributed computing system, by which a space-oriented architecture with a reduction of wiring harness, is provided.
[0008] This object is solved by a distributed computing system for a motor vehicle according to the independent claims. Advantageous embodiments are indicated in the dependent claims.
SUMMARY OF THE INVENTION
[0009] One aspect of the invention relates to a distributed computing system for a motor vehicle, wherein the distributed computing system comprises at least a first electronic computing device and a second electronic computing device, wherein the first electronic computing device and the second electronic computing device are distributed from each other in the motor vehicle and are connected with each other via a connection element of the distributed computing system, and wherein the distributed computing system comprises at least one periphery element, wherein the at least one periphery element transmits to or receives from the first electronic computing device a data package, and wherein the at least one periphery element is arranged close to the second electronic computing device in the motor vehicle.
[0010] The connection element is a high-speed data connection element and the distributed computing system is configured to transmit the data package from the at least one periphery element to the second electronic computing device and to transmit the data package from the second electronic computing device to the first electronic computing device via the high-speed data connection element or to transmit the data package from the first electronic computing device to the second electronic computing device via the high-speed data connection element and to transmit the data package from the second electronic computing device to the at least one periphery element.
[0011] Because of the high-speed connection available at what is known as the vehicle network backbone, it is possible to abandon digital proprietary data lines. Therefore, a reduction in the computer and cooling hardware, a reduction in costs, an improved computing power distribution throughout the motor vehicle, and a reduction of wiring harness weight and material in the motor vehicle can be provided.
[0012] In other words, the distributed computing system internally uses a high-performance data bus to connect the computing units, main memory with peripherals, such as CPUs, soundcards, input/output units, such as a network card, USB bridges or other components. The approach of the so-called space-oriented architecture promotes the remote transmission of fast internal data buses in order to especially distribute a central computer of several CPUs, which may be referred to as electronic computing devices, and the peripherals within the vehicle. Therefore, it is possible that the at least one periphery element may be connected to the nearest electronic computing device to suit the installation space and eliminate the specific networking solutions required by traditional domain architecture. Therefore, the sensors and actuators may be connected independently from their functional affiliation and directly to the next possible electronic computing device wherein the functional aspects of the data evaluation may be solved independently from installation and the interconnections. This requires the high-speed data connection which may be a broadband connection in the distributed computing system.
[0013] In one embodiment of the invention, the high-speed data connection element is a Peripheral Component Interconnect Express (PC1e) connection.
[0014] In another embodiment, the distributed computing system comprises at least a third electronic computing device, wherein the third electronic computing device is connected to the first electronic computing device and/or to the second electronic computing device via a bus connection.
[0015] In another embodiment, the at least one periphery element is a sensor element of the motor vehicle and/or an actuator element of the motor vehicle.
[0016] Another aspect of the invention relates to a motor vehicle with a distributed computing system according to the preceding aspect.
[0017] Advantageous forms of the distributed computing system are to be regarded as advantageous forms of the motor vehicle.
[0018] Further advantages, features, and details of the invention derive from the following description of preferred embodiments as well as from the accompanying drawings. The features and feature combinations previously mentioned in the description as well as the features and feature combinations mentioned in the following description of the figures and/or shown in the figures alone can be employed not only in the respectively indicated combination but also in any other combination or be taken alone without leaving the scope of the invention.
BRIEF DESCRIPTION OF THE DRAWINGS
[0019] The novel features and characteristics of the disclosure are set forth in the independent claims. The accompanying drawings, which are incorporated in and constitute part of this disclosure, illustrate exemplary embodiments and together with the description, serve to explain the disclosed principles. In the figures, the same reference signs are used throughout the figures to refer to identical features and components. Some embodiments of the system and/or methods in accordance with embodiments of the present subject matter are now described below, by way of example only, and with reference to the accompanying figures.
[0020] The drawings show in: [0021] Fig. 1 a schematic block diagram according to an embodiment of the distributed computing system; and [0022] Fig. 2 shows another schematic block diagram according to an embodiment of a motor vehicle.
[0023] In the figures the same elements or elements having the same function are indicated by the same reference numbers.
DETAILED DESCRIPTION
[0024] In the present document, the word "exemplary" is used herein to mean "serving as an example, instance, or illustration." Any embodiment or implementation of the present subject matter described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments.
[0025] While the disclosure is susceptible to various modifications and alternative forms, specific embodiments thereof have been shown by way of example in the drawings and will be described in detail below. It should be understood, however, that it is not intended to limit the disclosure to the particular forms disclosed, but on the contrary, the disclosure is to cover all modifications, equivalents, and alternatives falling within the scope of the disclosure.
[0026] The terms "comprises'', "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion so that a setup, device or method that comprises a list of components or steps does not include only those components or steps but may include other components or steps not expressly listed or inherent to such setup or device or method. In other words, one or more elements in a system or apparatus preceded by "comprises" or "comprise" does not or do not, without more constraints, preclude the existence of other elements or additional elements in the system or method.
[0027] In the following detailed description of the embodiments of the disclosure, reference is made to the accompanying drawings that form part hereof, and in which are shown by way of illustration specific embodiments in which the disclosure may be practiced. These embodiments are described in sufficient detail to enable those skilled in the art to practice the disclosure, and it is to be understood that other embodiments may be utilized and that changes may be made without departing from the scope of the present disclosure. The following description is, therefore, not to be taken in a limiting sense.
[0028] Fig. 1 shows a schematic block diagram according to an embodiment of a distributed computing system 10. The distributed computing system 10 is for a motor vehicle 12 (which is shown in Fig. 2), wherein the distributed computing system 10 comprises at least a first electronic computing device 14 and a second electronic computing device 16, wherein the first electronic computing device 14 and the second electronic computing device 16 are distributed from each other in the motor vehicle 12 and are connected with each other via a connection element of the distributed computing system 10, and wherein the distributed computing system 10 comprises at least one periphery element 18, 20, wherein the at least one periphery element 18, 20 transmits to or receives from the first electronic computing device 14 a data package 22, and wherein the at least one periphery element 18, 20 is arranged close to the second electronic computing device 16 in the motor vehicle 12.
[0029] The connection element is a high-speed data connection element 24 and the distributed computing system 10 is configured to transmit the data package 22. As a non-limiting example where data package 22 is to be transmitted from periphery element 18 to the second electronic computing device 16, periphery element 18 transmits data package 22 to the first electronic computing device 14 which in turn transmits data package 22 to the second electronic computing device 16 via high-speed data connection element 24. In another non-limiting example where data package 22 is to be transmitted from periphery element 20 to the first electronic computing device 14, periphery element 20 transmits data package 22 to the second electronic computing device 16 which in turn transmits data package 22 to the first electronic computing device 14 via high-speed data connection element 24.Varoius other periphery elements and electronic computing devices can be present on the network where communication between the electronic computing devices is similarly facilitated by a connection element such as described with high-speed data connection element 24.
[0030] Fig. 1 shows that the first electronic computing device 14 may be connected with a first periphery element 18, wherein in this embodiment the first periphery element 18 is arranged near the first electronic computing device 14. The second electronic computing device 16 may be connected to a second periphery element 20, wherein in this embodiment the second periphery element 20 is arranged near the second electronic computing device 16. The first periphery element 18 and/or the second periphery element 20 may be a sensor element of the motor vehicle 12 and/or an actuator element of the motor vehicle 12.
[0031] Furthermore, in an embodiment the high-speed data connection element 24 may be configured as a Peripheral Component Interconnect Express (PC1e) connection 26.
[0032] Fig. 1 shows further that the first electronic computing device 14 may comprise a flash memory 28, a RAM memory 30, a first computer processing unit 32, a second computer processing unit 34, a bridge 36, and a graphic processing unit 38.
[0033] In this embodiment, the second electronic computing device 16 also comprises a flash memory 28, a RAM memory 30, and a first computer processing unit 32. Furthermore, the second electronic computing device 16 comprises a bridge 36 as well as a graphic processing unit 38. The graphic processing unit 38 from the first electronic computing device 14 may be connected to a camera 40 and to a first display device 42. Furthermore, the graphic processing unit 38 from the second electronic computing device 16 may be connected to a second display device 44. In this embodiment the data package 22 from the camera 40 may be transmitted from the first electronic computing device 14 via the high-speed data connection element 24 to the second electronic computing device 16 in order to show the information on the second display device 44.
[0034] In particular, Fig. 1 shows a so-called space-oriented architecture, which promotes the remote transmission of fast internal data buses in order to spatially distribute a central computer of several CPUs 32, 34 and the peripherals within the motor vehicle 12. With the high band width of the internal vehicle buses, such as, for example PC1e, peripherals and/or electrical loads such as: display devices 42, 44, sound outputs, camera inputs, microphone inputs, and variable motors, heaters, and the like, may be connected to the nearest electronic computing device 14, 16 to suit the installation space and eliminate the specific networking solutions required by traditional domain architecture. The space-oriented architecture is able to connect all sensors and actuators, as independently as possible from their functional affiliation, directly to the next possible electronic computing device 14, 16 and implement the software application distribution and functional aspects of the data evaluation independently from installation and the interconnection.
[0035] The high bandwidth of the internal bus system makes it possible to integrate the sensors and actuators in the most efficient and available installation space directly into the motor vehicle 12. Fig. 1 shows a space-oriented architecture using the technology for the transmission information via Pole buses over longer distances. However, this type of broadband networking does not have to be connected to all electronic computing devices. Traditional electronic computing devices for e.g. steering wheel controls, window controls, light switches, engine controllers and the like with little need for high bandwidth communication may still be networked via standard bus systems.
[0036] In the case of the space-oriented architecture, the extremely high speed of the backbone makes it possible to do without additional proprietary data lines. This feature may be combined with mechanisms known from the central architecture design, for example, containerization and virtualization for updates and/or separation of resources and ensuring the distribution of resources, where such an architecture may be distributed and shared. This may be done without mapping different functional domains in different hardware components. The wiring harness, in particular cost and weight of the wiring, may be drastically reduced, both in comparison with the domain architecture and in comparison with a centralized architecture. Compared to the central architecture, the computing power is better distributed in the motor vehicle 12 so that less additional costs, for example, system cooling, are incurred.
[0037] Fig. 2 shows a schematic block diagram of a motor vehicle 12 with an embodiment of the distributed computing system 10. In particular, Fig. 2 shows a wiring harness routed in the space-oriented architecture. In this embodiment the motor vehicle 12 comprises four tires 46.
[0038] In this embodiment, Fig. 2 shows for example a drive system domain, which comprises for example an electronic stability program 48, a waste gas treatment sensor and actor 50 and a sensor 52 for example for ignition, temperature, or pressure. These components may be connected via for example Ethernet 54. Furthermore, Fig. 2 shows a central sensor actor module 56, which may be for example seat actuators, heating and ventilation, user input control or the like. The first electronic computing device 14 may be an antenna or a communication module and the second electronic computing device 16 may be, for example, an instrument cluster. Furthermore, the motor vehicle 12 comprises on each side a door sensor actor module 58, wherein the door sensor actor module 58 may be connected with speakers 60.
[0039] Fig. 2 shows that in particular the second electronic computing device 16, the central sensor actor module 56, and each door sensor actor module 58 have the original functional domains, which are combined to form a common, distributed vehicle computing system.
[0040] Fig. 1 and Fig. 2 show in particular a mounting space oriented architecture.
Reference Signs distributed computing system 12 motor vehicle 14 first electronic computing device 16 second electronic computing device 18 first periphery element second periphery element 22 data package 24 high-speed data connection element 26 Peripheral Component Interconnect Express connection 28 flash memory RAM memory 32 first computer processing unit 34 second computer processing unit 36 bridge 38 graphic processing unit camera 42 first display device 44 second display device 46 tire 48 electronic stability program waste gas treatment sensor and actor 52 sensor 54 Ethernet 56 central sensor actor module 58 door sensor actor module speaker

Claims (4)

  1. CLAIMS1. A distributed computing system (10) for a motor vehicle (12), wherein the distributed computing system (10) comprises at least a first electronic computing device (14) and a second electronic computing device (16), wherein the first electronic computing device (14) and the second electronic computing device (16) are distributed from each other in the motor vehicle (12) and are connected with each other via a connection element of the distributed computing system (10), and wherein the distributed computing system (10) comprises at least one periphery element (18, 20), wherein the at least one periphery element (18, 20) transmits to or receives from the first electronic computing device (14) a data package (22), and wherein the at least one periphery element (18, 20) is arranged close to the second electronic computing device (16) in the motor vehicle (12), characterized in that the connection element is a high-speed data connection element (24) and the distributed computing system (10) is configured to transmit the data package (22) from the at least one periphery element (18, 20) to the second electronic computing device (16) and to transmit the data package (22) from the second electronic computing device (16) to the first electronic computing device (14) via the highspeed data connection element (24) or to transmit the data package (22) from the first electronic computing device (14) to the second electronic computing device (16) via the high-speed data connection element (24) and to transmit the data package (22) from the second electronic computing device (16) to the at least one periphery element (18, 20).
  2. 2. The distributed computing system (10) according to claim 1, characterized in that the high-speed data connection element (24) is a Peripheral Component Interconnect Express connection (26).
  3. 3. The distributed computing system (10) according to claim 1 or 2, characterized in that the distributed computing system (10) comprises at least a third electronic computing device, wherein the third electronic computing device is connected to the first electronic computing device (14) and/or to the second electronic computing device (16) via a bus connection.
  4. 4. The distributed computing system (10) according to any one of claims 1 to 3, characterized in that the at least one periphery element (18, 20) is a sensor element of the motor vehicle (12) and/or an actuator element of the motor vehicle (12).
GB2013333.6A 2020-08-26 2020-08-26 A distributed computing system for a motor vehicle Pending GB2598554A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB2013333.6A GB2598554A (en) 2020-08-26 2020-08-26 A distributed computing system for a motor vehicle
PCT/EP2021/069129 WO2022042922A1 (en) 2020-08-26 2021-07-09 A distributed computing system for a motor vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2013333.6A GB2598554A (en) 2020-08-26 2020-08-26 A distributed computing system for a motor vehicle

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GB202013333D0 GB202013333D0 (en) 2020-10-07
GB2598554A true GB2598554A (en) 2022-03-09

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Citations (3)

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EP0950570A2 (en) * 1998-03-24 1999-10-20 CLARION Co., Ltd. Automotive information system, automotive computer system, and method of controlling the automotive information system
US20150033054A1 (en) * 2012-01-27 2015-01-29 Siemens Aktiengesellschaft Method for operating at least two data processing units with high availability, in particular in a vehicle, and device for operating a machine
EP2966576A1 (en) * 2014-07-08 2016-01-13 Robert Bosch Gmbh System for monitoring surroundings and method for operating a system for monitoring surroundings

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Publication number Priority date Publication date Assignee Title
US7537542B2 (en) * 2006-09-11 2009-05-26 Gm Global Technology Operations, Inc. Control system architecture for a hybrid powertrain
KR101776426B1 (en) * 2015-12-10 2017-09-07 현대자동차주식회사 Method and Engine Clutch System for Stabilizing Engine Clutch Control and Vehicle thereby
EP3587194B1 (en) * 2018-06-29 2022-08-03 Aptiv Technologies Limited Power and data center (pdc) for automotive applications

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0950570A2 (en) * 1998-03-24 1999-10-20 CLARION Co., Ltd. Automotive information system, automotive computer system, and method of controlling the automotive information system
US20150033054A1 (en) * 2012-01-27 2015-01-29 Siemens Aktiengesellschaft Method for operating at least two data processing units with high availability, in particular in a vehicle, and device for operating a machine
EP2966576A1 (en) * 2014-07-08 2016-01-13 Robert Bosch Gmbh System for monitoring surroundings and method for operating a system for monitoring surroundings

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WO2022042922A1 (en) 2022-03-03
GB202013333D0 (en) 2020-10-07

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