• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    A motor vehicle comprises a chassis-related part (110) and a superstructure module (120). The chassis-related part (110) includes a set of function nodes (N11, N111) configured to implement a number of basic functions of the motor vehicle, which function nodes (N11, N111) are connected via a first communication bus (B1) for exchanging data. The first communication bus (B1) is further connected to an interface node (N1- | NT), which is configured to transmit via a standardized interface (Bim) a certain subset (D) of said data on the first communication bus (B1) to a external node (NExT) in the bodywork module (120). The interface node (N1. | NT) is configured to receive control instructions (CPRG) and on the basis thereof regulate the determined subset (D) of said data, which subset (D) can be transferred to the external node (NEXT) via the standardized interface (Bim). (Fig. 1)
    公开号:SE1450184A1
    申请号:SE1450184
    申请日:2014-02-18
    公开日:2015-08-19
    发明作者:Johan Tholén；Simon Wretblad
    申请人:Scania Cv Ab；
    IPC主号:
    专利说明:

    15 20 25 30 has been established, however, there is no flexibility regarding its scope or format.
    PROBLEMS RELATED TO PRIOR ART Since certain types of vehicles, especially commercial vehicles such as trucks and buses, are often manufactured through a collaboration between two or more manufacturers providing different parts of the vehicle, it is important to ensure an adequate exchange of information between vehicle parts from different manufacturer. For safety reasons, however, the respective manufacturers are often reluctant to provide others than themselves with access to the internal signals that occur on the bus or buses that are included in their own vehicle parts / modules.
    SUMMARY OF THE INVENTION The object of the present invention is therefore to provide a solution to the above problems, which on the one hand meets the requirements of the various manufacturers for complete control over their own communication buses, and on the other hand enables an efficient exchange of information between vehicle parts and modules from different manufacturers and where the conditions for such an exchange of information can be modified afterwards in an uncomplicated manner.
    According to one aspect of the invention, the object is achieved by the communication system initially described, wherein an interface node is configured to receive control instructions and on that basis regulate a certain subset of data on the internal communication bus, which subset can be transferred to an external node via a standardized interface. This communication system is advantageous, because via the proposed control instructions it is possible to control in a simple way exactly which information is to be made available externally, ie outside the communication bus which a certain manufacturer controls. Via the control, the amount of information made available externally can be changed at any time during the life of the vehicle, for example in connection with an upgrade or conversion.
    According to an embodiment of this aspect of the invention, the interface node is further configured to define, on the basis of the control instructions, a format according to which the determined subset of data is provided via the standardized interface. This is advantageous, as the data format can also vary between units from different manufacturers.
    According to another embodiment of this aspect of the invention, the interface node is further configured to define, on the basis of the control instructions, at least two different authorization levels for the subset of data determined via the standardized interface. This is desirable as different external parties may need to have access to different parts of the data which are provided via the interface node. For example, in a bus, the manufacturer of a ticket module mounted in the bus may need access to certain data from the vehicle, while the bus operator may need access to other data and / or a subset of the data that the ticket machine manufacturer requests.
    According to embodiments of this aspect of the invention, the interface node is configured to receive the control instructions over the first communication bus and / or via a different interface than the first communication bus. This offers great flexibility in how data on the first communication bus is made available externally.
    According to yet another embodiment of this aspect of the invention, the external node is included in a body module body, which body is arranged to implement at least one additional function of the motor vehicle. The external node can thus, for example, be part of a crane or other loading device, the above-mentioned ticket module or an entire body system.
    According to a further embodiment of this aspect of the invention, the body module in turn comprises a communication bus to which the external node is connected. The external node is further configured to exchange data with at least one other node in the extension module via this second communication bus. Thus, the externally mediated data can be refined and used for a myriad of functions outside the first communication bus.
    According to another aspect of the invention, the object is achieved by the motor vehicle initially described, wherein the interface node is configured to receive control instructions and on that basis regulate the determined subset of data, which can be transmitted to the external node via the standardized interface. The advantages of this motor vehicle are apparent from the discussion above with reference to the proposed communication system.
    According to another aspect of the invention, the object is achieved by the method initially described, which comprises receiving control instructions in the interface node, and on this basis control of the determined subset of data, which can be transmitted to the external node via the standardized interface. The advantages of this method, as well as of the preferred embodiments thereof, are apparent from the discussion above with reference to the proposed communication system.
    According to a further aspect of the invention, the object is achieved through a computer program directly downloadable to the internal memory of a computer, comprising software for controlling the steps according to the method proposed above when said program is run on a computer.
    According to another aspect of the invention, the object is achieved by a computer-readable medium with a program stored thereon, the program being adapted to cause a computer to control the steps according to the method proposed above.
    BRIEF DESCRIPTION OF THE DRAWINGS The present invention will now be explained in more detail by means of embodiments, which are described by way of example, and with reference to the accompanying drawings. shows a schematic view of a motor vehicle including a communication system according to an embodiment of the invention; and Figure 1 shows a flow chart illustrating the general method according to the invention for providing via a interface node a given subset of the data which are communicated on a first communication bus.
    DESCRIPTION OF EMBODIMENTS OF THE INVENTION We first refer to Figure 1, which shows a schematic of a motor vehicle with a communication system according to an embodiment of the invention. The communication system includes a first communication bus B1, a set of function nodes N11, N111, and an interface node N1.
    The function nodes N11, N111 are configured to implement a number of basic functions in a chassis-related part 110 of the motor vehicle, such as only the chassis or chassis itself, including one or more body modules mounted thereon.
    In addition to the chassis-related part 110, the motor vehicle includes a body module 120 adapted to implement at least one additional function of the motor vehicle. The bodywork module 120 may be a single unit, such as a ticket module arranged to issue and / or check passengers' travel documents. Alternatively, the add-on module 120 may include an assembly of two or more units which communicate data with each other. In any case, it is assumed that the body module 120 will need access to certain data D from the chassis-related part 110.
    The first communication bus B1 in the chassis-related part 110 is connected to the function nodes N11, ..., N111 as well as the interface node N1- | NT and is configured to transfer data between these nodes according to a specific format. The interface node Ni.ii iT is also configured to transmit via a standardized interface Bim, as a variant of the CAN bus, a certain subset D of the data which is communicated on the first communication bus B1 to an external node. NEXT, which has no direct connection to the first communication bus B1.
    The external node NEm thus only has access to the data subset D via the interface node N1.im.
    The Ni-im interface node is further configured to receive control instructions CPRG, either via the first communication bus B1 or via an alternative interface next to it. Based on the control instructions CPRG, the interface node N1.iNT is configured to regulate the determined data subset D which can be transferred to the external node NEXT via the standardized interface. part 110. An important advantage of the invention is that if the body module 120 at a later time, such as after the motor vehicle has been put into operation, would need a slightly different data subset D to function as desired, then such control instructions CPRG can be input to the interface node Ni-iivt that instead a data subset D corresponding to the said different subset is provided via the standardized interface Bim.
    According to an embodiment of the invention, the interface node N1.im is furthermore configured to define on the basis of the control instructions Cpne a format F according to which the data subset D is provided via the standardized interface Bim. Namely, situations may also arise when there is reason to modify this format F, for example if the body module 120 or a unit included therein is replaced.
    According to another embodiment of the invention, the interface node N1.im is configured to define, on the basis of the control instructions Cpne, two or more authorization levels for the data subset D provided via the standardized interface Bim. Different authorization levels of this kind make it possible for different individuals and / or parties to have access to different parts of the data subset D, which guarantees both good data security and a high degree of flexibility of the standardized interface Bim.
    If the add-on module 120 includes two or more nodes N21, Nzm, which are arranged to exchange data with each other, the add-on module 120 according to an embodiment of the invention comprises a second communication bus B2. The second communication bus B2 connects the nodes N21, Ngm and is further connected to the external node NEXT. Thus, the data subset D can also be transmitted to the nodes N21, Nzm in the body module 120.
    Advantageously, the interface node N1. | NT, or this node is communicatively connected to, comprises a memory unit which stores a computer program containing software arranged to cause the interface node NHNT to perform the above-described actions when the computer program is run in the interface node NMNT.
    For the purpose of summarizing, the general method according to the invention will now be described with reference to the flow chart in Figure 2.
    In a step 210, data is assumed to be transmitted between two or more functional nodes in a motor vehicle via a first communication bus B1 in the vehicle. In a step 220, parallel to step 210, a subset of the data D which are communicated via the first communication bus is provided via an interface node N1.E> The via the interface node N1.E> data D is determined by previously received control instructions Cpnc, which ka was stated either already when the vehicle was built, or at a later time.
    Then, in a step 230, it is examined whether new control instructions CPRG have been received; and if so, a step 240 follows. In another case, the procedure loops back to steps 210 and 220 for continued data communication and providing said subset of data D according to the previously applicable control instructions. CPRG.
    In step 240, the subset of data D provided via the interface node Nifxt is modified according to the control instructions CPRG received in step 230, after which the procedure loops back to steps 210 and 220 for continued data communication and provision of a subset of data D in accordance with the new control instructions. - fla CPRG.
    The method steps described with reference to Figure 2 can advantageously be controlled by means of a programmed computer apparatus. In addition, although the embodiment of the invention described above with reference to the figure comprises a computer and processes performed in a computer, the invention extends to computer programs, especially computer programs on or in a carrier adapted to practically implement the invention. The program may be in the form of source code, object code, a code which constitutes an intermediate between source and object code, such as in partially compiled form, or in any other form suitable for use in implementing the process according to the invention. The carrier can be any entity or device which is capable of carrying the program. For example, the carrier may include a storage medium such as a flash memory, a ROIVI (Read Only 1 / lemory), for example a CD (Compact Disc) or a semiconductor ROIVI, EPROM (Electrically Programmable ROIVI), EEPROIVI (Erasable EPROM), or a magnetic recording medium, such as a floppy disk or hard disk. In addition, the carrier can be a transmitting carrier such as an electrical or optical signal, which can be conducted through an electrical or optical cable or via radio or otherwise. When the program is formed by a signal which can be conducted directly by a cable or other device or means, the carrier can be constituted by such a cable, device or means. Alternatively, the carrier may be an integrated circuit in which the program is embedded, where the integrated circuit is adapted to perform, or to be used in performing, the actual processes.
    The invention is not limited to the embodiments described with reference to the figures but can be varied freely within the scope of the appended claims.
    权利要求:
    Claims (14)
    [1]
    A communication system for a motor vehicle comprising: a set of function nodes (N11, N111) configured to implement a number of basic functions in a chassis-related part (110) of the motor vehicle, a first communication bus (B1) which is connected to the function nodes (N11, N1.1NT , N111) and is configured to transmit data between them, and an interface node (N1. | NT) which is connected to the first communication bus (B1) and is configured to transmit a certain subset (D1) via a standardized interface (Bim). ) of said data to an external node (NEXT) which has no direct connection to the first communication bus (B1), characterized in that the interface node (N1.1NT) is configured to receive control instructions (CPRG) and on that basis regulate the determined subset (D) of said data which subset (D) can be transferred to the external node (NEXT) via the standardized interface (Bim).
    [2]
    The communication system according to claim 1, wherein the interface node (N1.1NT) is further configured to define on the basis of the control instructions (CPRG) a format (F) according to which the determined subset (D) of said data is provided via the standardized interface ( Bim).
    [3]
    The communication system according to any one of claims 1 or 2, wherein the interface node (N1_1NT) is further configured to define, on the basis of the control instructions (CPRG), at least two different authorization levels for the subset (D) determined via the standardized interface (Bim). of said data.
    [4]
    The communication system according to any one of claims 1 to 3, wherein the interface node (N1. | NT) is configured to receive the control instructions (CPRG) over the first communication bus (B1).
    [5]
    The communication system according to any of the preceding claims, wherein the interface node (N1.im) is configured to receive the control instructions (CPRG) via a different interface than the first communication bus (B1).
    [6]
    The communication system according to any one of the preceding claims, wherein the external node (NEXT) is included in a body module (120) of the motor vehicle, which body module (120) is arranged to implement at least one additional function of the motor vehicle.
    [7]
    The communication system of claim 6, wherein the add-on module (120) comprises a second communication bus (B2) to which the external node (NEXT) is connected and via which second communication bus (B2) the external node (NEXT) is configured to exchange data with at least one other node (N21, Nzm) in the add-on module (120).
    [8]
    A motor vehicle comprising: a chassis related part (110) including a set of function nodes (N11, N111) configured to implement a number of basic functions of the motor vehicle, which function nodes (N11, N111) are connected via a first communication bus (B1) for exchanging data, wherein the first communication bus (B1) is further connected to an interface node (N1.im) which is configured to provide via a standardized interface (Bim) a certain subset (D) of said data, and a superstructure module (120) arranged to implement at least one additional function of the motor vehicle, the body module (120) including an external node (NEXT) which is connected to the standardized interface (Bim) but lacks a direct connection to the first communication bus (B1), characterized in that the interface node (N1.im) is configured to receive control instructions (CPRG) and on that basis regulate the determined subset (D) of said data which subset ( D) can be transmitted to the external node (NEXT) via the standardized interface (Bim). 10 15 20 25 30 12
    [9]
    A method of communication in a motor vehicle comprising a set of function nodes (N11, Nm) configured to implement a number of basic functions in a chassis-related part (110) of the motor vehicle, the function nodes (N11, N1- | NT, N111) being connected to a first communication bus (B1) which is further connected to an interface node (N1. | NT), the method comprising: transmitting data between the function nodes (N11, N1- | NT, N111) via the first communication bus (B1), and providing, via a standardized interface (Bim) of the interface node (N1- | NT), of a certain subset (D) of said data to an external node (NEXT) which has no direct connection to the first communication bus (B1), characterized in that reception of control instructions ( CPRG) in the interface node (N1.iNT), and on that basis control of the determined subset (D) of said data which can be transmitted to the external node (NEXT) via the standardized interface (Bim).
    [10]
    The method of claim 1, further comprising: further defining, on the basis of the control instructions (Cpne), a format (F) according to which the determined subset (D) of said data is provided via the standardized interface (Bim) -
    [11]
    The method of any of claims 9 or 10, further comprising: further defining, on the basis of the control instructions (Cpne), at least two different authorization levels for the determined subset (D) of the determined subset (D) provided via the standardized interface (Bm). said data.
    [12]
    The method according to any one of claims 9 to 11, comprising receiving the control instructions (CPRG) in the interface node (N1- | Nt) over the first communication bus (B1).
    [13]
    A computer program downloadable to the internal memory of a computer, comprising software for executing the steps of any of claims 9 to 12 when said program is run on the computer.
    [14]
    A computer readable medium having a program stored thereon, the program being adapted to cause a computer to execute the steps according to any one of claims 9 to 12.
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    同族专利:
    公开号 | 公开日
    SE538518C2|2016-09-06|
    EP3107765A1|2016-12-28|
    WO2015126310A1|2015-08-27|
    EP3107765A4|2017-07-26|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    US6009354A|1997-09-23|1999-12-28|Case Corporation|Enhanced implement control|
    SE526829C2|2004-03-30|2005-11-08|Scania Cv Ab|Arrangements, motor vehicles, ways and computer programs to provide access to electronic controllers|
    JP4804307B2|2006-10-27|2011-11-02|富士通テン株式会社|Gateway apparatus and transfer control method|
    IT1396303B1|2009-10-12|2012-11-16|Re Lab S R L|METHOD AND SYSTEM FOR PROCESSING INFORMATION RELATING TO A VEHICLE|
    SE1250312A1|2012-03-29|2013-09-30|Oilquick Ab|Procedure for the control and control of implements and such machine|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    SE1450184A|SE538518C2|2014-02-18|2014-02-18|Communication system for motor vehicles|SE1450184A| SE538518C2|2014-02-18|2014-02-18|Communication system for motor vehicles|
    PCT/SE2015/050127| WO2015126310A1|2014-02-18|2015-02-05|Method in a motor vehicle for regulating a subset of data which is transferred to an external node|
    EP15752697.1A| EP3107765A4|2014-02-18|2015-02-05|Method in a motor vehicle for regulating a subset of data which is transferred to an external node|
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