WO2018131223A1 - Dispositif relais, procédé et programme de commande de communication - Google Patents

Dispositif relais, procédé et programme de commande de communication Download PDF

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Publication number
WO2018131223A1
WO2018131223A1 PCT/JP2017/035510 JP2017035510W WO2018131223A1 WO 2018131223 A1 WO2018131223 A1 WO 2018131223A1 JP 2017035510 W JP2017035510 W JP 2017035510W WO 2018131223 A1 WO2018131223 A1 WO 2018131223A1
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WIPO (PCT)
Prior art keywords
vehicle
update
information
side communication
data
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PCT/JP2017/035510
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English (en)
Japanese (ja)
Inventor
長村吉富
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住友電気工業株式会社
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Publication of WO2018131223A1 publication Critical patent/WO2018131223A1/fr

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    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F8/00—Arrangements for software engineering
    • G06F8/60—Software deployment
    • G06F8/65—Updates

Definitions

  • the present invention relates to a relay device, a communication control method, and a communication control program.
  • This application claims the priority on the basis of Japanese application Japanese Patent Application No. 2017-5140 for which it applied on January 16, 2017, and takes in those the indications of all here.
  • Patent Document 1 Japanese Patent Laid-Open No. 2007-65856 discloses the following information rewriting device. That is, the information rewriting device receives a correction program for correcting the program from the program providing device outside the vehicle, and rewrites the vehicle control program for controlling the vehicle using the received correction program. The information rewriting device, when there is a program rewriting request from the program providing device, based on the operating state of the vehicle, the determining means for determining whether or not the vehicle control program can be rewritten, Notification means for notifying information relating to rewriting to a communication terminal of a user of the vehicle based on a determination result by the determination means.
  • Open Mobile Alliance “OMA-TS-DM_Protocol-V1_2 — 1-20080617-A.pdf”, [online], [searched on November 15, 2016], Internet ⁇ URL: http: // technical. opembobial alliance. org / Technical / technical-information / release-program / current-releases / dm-v1-2-1>
  • Open Mobile Alliance “OMA-TS-DM_FUMO-V1 — 0 — 2-20090828-A.pdf”, [online], [searched on November 15, 2016], Internet ⁇ URL: http: // technical. opembobial alliance.
  • the relay device includes a network-side communication unit that receives update data for a target device mounted on a vehicle from an external device, and a storage that stores the update data received by the network-side communication unit. And a vehicle-side communication unit that transmits the update data stored in the storage unit to a management device that is mounted on the vehicle and manages data update of the target device.
  • the communication control method of the present disclosure is a communication control method in a relay device including a storage unit, the step of receiving update data for a target device mounted on a vehicle from an external device, and the received update Storing the data in the storage unit, and transmitting the stored update data to a management device mounted on the vehicle and managing data update of the target device.
  • a communication control program is a communication control program used in a relay device including a storage unit, and receives a computer from an external device update data for a target device mounted on a vehicle A communication unit; a relay unit that stores the update data received by the network-side communication unit in the storage unit; and a management device that is installed in the vehicle and manages data update of the target device. It is a program for making it function as a vehicle side communication part which transmits the said update data memorize
  • One aspect of the present disclosure can be realized not only as a relay apparatus including such a characteristic processing unit, but also as an update system including the relay apparatus.
  • one embodiment of the present disclosure can be realized as a semiconductor integrated circuit that realizes part or all of the relay device.
  • FIG. 1 is a diagram showing a configuration of a comparative example of the update system according to the embodiment of the present invention.
  • FIG. 2 is a diagram showing the configuration of the update system according to the embodiment of the present invention.
  • FIG. 3 is a diagram showing a configuration of the relay device in the update system according to the embodiment of the present invention.
  • FIG. 4 is a diagram showing the configuration of the management apparatus in the update system according to the embodiment of the present invention.
  • FIG. 5 is a diagram showing a configuration of an external device in the update system according to the embodiment of the present invention.
  • FIG. 6 is a diagram showing an example of a sequence when update information is downloaded from an external device in the update system according to the embodiment of the present invention.
  • FIG. 1 is a diagram showing a configuration of a comparative example of the update system according to the embodiment of the present invention.
  • FIG. 2 is a diagram showing the configuration of the update system according to the embodiment of the present invention.
  • FIG. 3 is a diagram showing a configuration of the
  • FIG. 7 is a diagram showing an example of a sequence when the firmware of the control device is updated in the update system according to the embodiment of the present invention.
  • FIG. 8 is a diagram showing an example of a sequence when update result information is notified in the update system according to the embodiment of the present invention.
  • Patent Literature 1 The information rewriting device described in Patent Literature 1 is mounted on a vehicle and receives a correction program from a program providing device using, for example, wide area radio.
  • the information rewriting device cannot receive the correction program.
  • the present disclosure has been made to solve the above-described problem, and an object of the present disclosure is to provide a relay device, a communication control method, and a communication control program that can more reliably update data of devices in a vehicle. It is.
  • a relay device includes a network side communication unit that receives update data for a target device mounted on a vehicle from an external device, and the update received by the network side communication unit.
  • a storage unit that stores data; and a vehicle-side communication unit that transmits the update data stored in the storage unit to a management device that is mounted on the vehicle and manages data update of the target device.
  • the relay device uses the wide area wireless communication from the external device to update data such as firmware for the target device or the firmware. Since the difference data can be received and stored, and the update data can be transmitted to the management device when the vehicle subsequently moves to the vehicle, the update data can be transmitted from the external device to the management device. Therefore, it is possible to more reliably update the device data in the vehicle.
  • the vehicle-side communication unit receives version information indicating a version of data reflected in the target device from the vehicle, and the storage unit is further received by the vehicle-side communication unit.
  • the version information and the vehicle information including the vehicle identification information are stored, the network side communication unit transmits the vehicle information stored in the storage unit to the external device, and the external device Correspondence information indicating a correspondence relationship between vehicle identification information and the latest data version of the target device mounted on the vehicle is stored, and the external device includes the version indicated by the received vehicle information and the correspondence information. If the corresponding version is different, the update information including a part or all of the latest data corresponding to the version as the update data is transmitted, and the previous version Vehicle communication unit transmits the update information received by the network communication unit to the management device.
  • the latest version of data can be transmitted from the external apparatus to the management apparatus by moving the relay apparatus. It can.
  • the data of the target device can be updated. That is, it is possible to efficiently update the device data in the vehicle.
  • the vehicle information, the correspondence information, and the update information further include identification information of the target device.
  • the data of the target device can be correctly updated.
  • the management device and the external device communicate with each other according to a first communication protocol
  • the network side communication unit communicates with the external device according to the first communication protocol
  • the management device and the external device communicate with each other according to a second communication protocol
  • the vehicle side communication unit communicates with the management device according to the second communication protocol
  • the network side communication unit performs wireless communication with the external device, and starts exchanging data with the external device in response to the wireless communication being enabled.
  • the vehicle-side communication unit performs wireless communication with the management device, and starts exchanging data with the management device in response to the wireless communication being enabled.
  • the update information further includes identification information of the vehicle.
  • the update information can be correctly transmitted using the vehicle identification information included in the update information.
  • a communication control method is a communication control method in a relay device including a storage unit, and receives update data for a target device mounted on a vehicle from an external device; Storing the received update data in the storage unit, and transmitting the stored update data to a management device mounted on the vehicle and managing data update of the target device.
  • the relay device receives and stores the update data from the external device using the wide area radio, and then to the vehicle Since the update data can be transmitted to the management apparatus when moved, the update data can be transmitted from the external apparatus to the management apparatus. Therefore, it is possible to more reliably update the device data in the vehicle.
  • a communication control program is a communication control program used in a relay device including a storage unit, and a computer and update data for a target device mounted in a vehicle are external devices.
  • a network side communication unit that receives from the network, a relay unit that stores the update data received by the network side communication unit in the storage unit, and a management device that is mounted on the vehicle and manages data updates of the target device Is a program for causing the vehicle-side communication unit to transmit the update data stored in the storage unit.
  • the relay device receives and stores the update data from the external device using the wide area radio, and then to the vehicle Since the update data can be transmitted to the management apparatus when moved, the update data can be transmitted from the external apparatus to the management apparatus. Therefore, it is possible to more reliably update the device data in the vehicle.
  • FIG. 1 is a diagram showing a configuration of a comparative example of the update system according to the embodiment of the present invention.
  • an update system 300 as a comparative example includes an external device 151 and a management device 171.
  • the vehicle 1 includes a management device 171 and a plurality of control devices 75 that are examples of target devices.
  • the vehicle 1 may include one control device 75.
  • the control device 75 is, for example, an engine control device, an AT (Automatic Transmission) control device, an HEV (Hybrid Electric Vehicle) control device, a brake control device, a chassis control device, a steering control device, and an instrument display control device.
  • AT Automatic Transmission
  • HEV Hybrid Electric Vehicle
  • the engine control device, the AT control device, and the HEV control device perform control related to the engine, transmission, and motor in the vehicle 1.
  • the brake control device, the chassis control device, and the steering control device respectively perform control related to the brake, chassis, and steering in the vehicle 1.
  • the instrument display control device performs control related to the instrument in the vehicle 1.
  • the control device 75 has, for example, a storage unit (not shown) for storing firmware, and operates according to the firmware stored in the storage unit.
  • the external device 151 is, for example, a FOTA (Firmware On-The-Air) server, and holds the latest version firmware and the old version firmware used in the control device 75.
  • FOTA Firmware On-The-Air
  • the management device 171 and the external device 151 communicate with each other, for example, according to a predetermined communication protocol (first communication protocol and second communication protocol).
  • a predetermined communication protocol first communication protocol and second communication protocol.
  • the management apparatus 171 and the external apparatus 151 are, for example, non-patent document 1 (Open Mobile Alliance, “OMA-TS-DM_Protocol-V1_2 — 1-20080617-A.pdf”, [online], [November 2016].
  • Search on month 15] a protocol described in the Internet ⁇ URL: http://technical.openmbilial.org/Technical/technical-information/release-program/current-releases/dm-v1-2-1> Communicate with each other according to the OMA protocol.
  • Non-Patent Document 2 (Open Mobile Alliance, “OMA-TS-DM_FUMO-V1_0_2-0090828-A.pdf”, [online], [search on November 15, 2016] , Internet ⁇ URL: http://technical.openmuralliance.org/Technical/technical-information/release-program/current-releases/fumo-v1-0>) and Non-patent Document 3 (OpenMole ER -SCOMO-V1_1-2013521-A.pdf ”, [online], [November 15, 2016 test ] ⁇ Internet: URL: http://technical.openmuralliance.org/Technical/technical-information/release-program/current-releases/software-component-management-DM1) Management) A data structure called tree is used to exchange MO (Management Object).
  • MO Management Object
  • the radio base station device 161 forms a cell Cs.
  • the management device 171 wirelessly communicates with the wireless base station device 161 in accordance with a communication standard for wide area wireless communication such as LTE (Long Term Evolution) or 3G. Communication is possible.
  • LTE Long Term Evolution
  • 3G 3G
  • Management device 171 manages data update of each control device 75. More specifically, the management apparatus 171 is, for example, a FOTA client, establishes a communication connection with the external apparatus 151 via the radio base station apparatus 161, and notifies the version of the firmware installed in the control device 75.
  • the management apparatus 171 is, for example, a FOTA client, establishes a communication connection with the external apparatus 151 via the radio base station apparatus 161, and notifies the version of the firmware installed in the control device 75.
  • the external apparatus 151 Upon receiving the version notification from the management apparatus 171, the external apparatus 151 transmits, for example, difference data between the latest version firmware and the notified version firmware to the management apparatus 171.
  • the management device 171 When the management device 171 receives the difference data from the external device 151, the management device 171 uses the received difference data to update the firmware held by the control device 75 to the latest firmware.
  • the vehicle 1 when the garage of the vehicle 1 exists outside the cell Cs such as underground, the vehicle 1 is often located in the garage in the time zone when the firmware is updated.
  • the management device 171 cannot download the difference data for update from the external device 151, so that the firmware held by the control device 75 is not updated.
  • the update system according to the embodiment of the present invention solves such a problem by the following configuration and operation.
  • FIG. 2 is a diagram showing the configuration of the update system according to the embodiment of the present invention.
  • the update system 301 includes a relay device 101, an external device 151, and a management device 171.
  • the relay device 101 has a function as a data update auxiliary device, for example, and is included in the key 2 having a paired relationship with the vehicle 1. The user of the vehicle 1 moves while holding the key 2.
  • the relay apparatus 101 can communicate with the external apparatus 151 via the radio base station apparatus 161.
  • the relay apparatus 101 Can communicate with the management device 171.
  • FIG. 3 is a diagram showing a configuration of the relay device in the update system according to the embodiment of the present invention.
  • relay device 101 includes vehicle-side communication unit 21, network-side communication unit 22, storage unit 23, and relay unit 24.
  • FIG. 4 is a diagram showing a configuration of the management apparatus in the update system according to the embodiment of the present invention.
  • the management device 171 includes a communication unit 71, a storage unit 73, and a processing unit 74.
  • the vehicle side communication unit 21 in the relay apparatus 101 performs wireless communication with the management apparatus 171 in accordance with, for example, the OMA protocol.
  • the vehicle-side communication unit 21 performs wireless communication with the communication unit 71 in the management device 171 using radio waves in the LF band or the UHF band. .
  • FIG. 5 is a diagram showing a configuration of an external device in the update system according to the embodiment of the present invention.
  • the external device 151 includes a communication unit 51, a storage unit 53, and a determination unit 54.
  • the network side communication unit 22 in the relay apparatus 101 performs wireless communication with the external apparatus 151 in accordance with, for example, the OMA protocol.
  • the network side communication unit 22 performs external communication with the wireless base station device 161 according to the communication standard for the wide area wireless communication, thereby Communication with the communication unit 51 in the device 151 is performed.
  • the storage unit 53 includes, for example, the identification information IDc of the vehicle 1, the identification information IDd of each control device 75 mounted on the vehicle 1, and the latest data version of each control device 75 mounted on the vehicle 1. Correspondence information indicating the correspondence relationship is stored. The storage unit 53 may further store correspondence information about other vehicles.
  • the storage unit 53 is a database, for example.
  • the storage unit 53 stores firmware used in each control device 75.
  • identification information IDc, identification information IDd and version of the target control device 75 are attached to each firmware.
  • Each device in the update system 301 includes a computer, and an arithmetic processing unit such as a CPU in the computer reads and executes a program including a part or all of each step in the following sequence diagram or flowchart from a memory (not shown). .
  • Each of the programs of the plurality of apparatuses can be installed from the outside. The programs of the plurality of apparatuses are distributed while being stored in a recording medium.
  • FIG. 6 is a diagram showing an example of a sequence when update information is downloaded from an external device in the update system according to the embodiment of the present invention.
  • step S102 the processing unit 74 in the management device 171 creates vehicle information.
  • the processing unit 74 manages, for example, a plurality of control devices 75 mounted on the vehicle 1.
  • the processing unit 74 is introduced into each of the plurality of control devices 75. Get the version of the firmware.
  • the predetermined update time tu may be a fixed time every day or a time when the firmware update in the control device 75 is completed.
  • the processing unit 74 creates vehicle information including version information indicating the acquired version, identification information IDd of the corresponding control device 75, and identification information IDc of the vehicle 1.
  • the processing unit 74 stores the created vehicle information in the storage unit 73 (step S104).
  • the relay apparatus 101 moves (step S106). More specifically, the user gets on the vehicle 1 while holding the key 2 including the relay device 101.
  • step S108 the management device 171 and the relay device 101 establish a communication connection.
  • the vehicle-side communication unit 21 in the relay device 101 responds, for example, to the fact that the own relay device 101 enters the cell Cc and wireless communication with the management device 171 is possible. Data exchange with the management apparatus 171 is started.
  • the processing unit 74 in the management device 171 acquires vehicle information from the storage unit 73, and transmits the acquired vehicle information to the relay device 101 via the communication unit 71 (step S110).
  • the vehicle side communication unit 21 in the relay device 101 receives the vehicle information from the management device 171
  • the vehicle side communication unit 21 outputs the received vehicle information to the relay unit 24.
  • the relay part 24 preserve
  • the management device 171 and the relay device 101 disconnect the communication connection (step S114).
  • the relay apparatus 101 moves (step S116). More specifically, the user gets off the vehicle 1 while holding the key 2 including the relay device 101, and moves into the cell Cs, for example.
  • step S118 the relay device 101 and the external device 151 establish a communication connection.
  • the network side communication unit 22 in the relay apparatus 101 is in a state in which, for example, its own relay apparatus 101 enters the cell Cs and wireless communication with the external apparatus 151 is possible via the wireless base station apparatus 161. In response to this, data exchange with the external device 151 is started.
  • the network side communication unit 22 transmits the vehicle information stored in the storage unit 23 to the external device 151.
  • the relay unit 24 acquires vehicle information from the storage unit 23 and outputs the acquired vehicle information to the network side communication unit 22.
  • the network side communication unit 22 transmits the vehicle information received from the relay unit 24 to the external device 151 via the wireless base station device 161 (step S120).
  • the determination unit 54 in the external device 151 confirms the presence / absence of the control device 75 whose firmware is to be updated based on the vehicle information and the correspondence information (step S122).
  • the judgment unit 54 determines that there is a control device 75 whose firmware should be updated.
  • the determination unit 54 acquires version information, identification information IDc, and identification information IDd from the received vehicle information.
  • the determination unit 54 acquires correspondence information from the storage unit 53, and based on the correspondence information and the identification information IDc, determines the identification information IDd of each control device 75 in the vehicle 1 and the latest firmware version of each control device 75. recognize.
  • the determination unit 54 compares the recognition result with the version indicated by the acquired version information and the identification information IDd to determine whether the firmware installed in each of the plurality of control devices 75 in the vehicle 1 is the latest. Determine.
  • determination unit 54 determines that all the firmware is the latest, it determines that there is no control device 75 to update the firmware.
  • the determination unit 54 determines that at least a part of each firmware is not the latest, it determines that there is a control device 75 to update the firmware.
  • the determination unit 54 determines that there is a control device 75 (hereinafter also referred to as a target control device) whose firmware is to be updated.
  • the determination unit 54 creates update information (step S124).
  • the determination unit 54 creates update information including, as update data, the latest data corresponding to the target control device mounted on the vehicle 1 indicated by the identification information IDc, for example.
  • the determination unit 54 acquires, from the storage unit 53, difference data between the latest firmware to be installed in the target control device and the firmware currently installed in the target control device as update data.
  • the determination unit 54 creates the update information including the update data after attaching the identification information IDc and the identification information of the target control device to the acquired update data.
  • the determination unit 54 transmits the created update information to the relay device 101 via the communication unit 51 (step S126).
  • the network side communication unit 22 in the relay apparatus 101 receives update data for the control device 75 mounted in the vehicle 1 from the external apparatus 151. Further, the storage unit 23 stores the update data received by the network side communication unit 22 (step S128).
  • the network side communication unit 22 when receiving the update information from the external device 151 via the radio base station device 161, the network side communication unit 22 outputs the received update information to the relay unit 24.
  • the relay unit 24 stores the update information received from the network side communication unit 22 in the storage unit 23.
  • step S130 the relay device 101 and the external device 151 disconnect the communication connection (step S130).
  • steps S128 and S130 is not limited to the above, and the order may be changed.
  • FIG. 7 is a diagram showing an example of a sequence when the firmware of the control device is updated in the update system according to the embodiment of the present invention.
  • relay apparatus 101 moves (step S202). More specifically, the user gets on the vehicle 1 while holding the key 2 including the relay device 101.
  • step S204 the management device 171 and the relay device 101 establish a communication connection.
  • step S206 the user starts the prime mover of the vehicle 1 (step S206).
  • the vehicle-side communication unit 21 in the relay device 101 transmits the update data stored in the storage unit 23 to the management device 171 (step S208).
  • the vehicle-side communication unit 21 transmits update information received by the network-side communication unit 22 to the management device 171.
  • the relay unit 24 acquires update information from the storage unit 23, and transmits the acquired update information to the management device 171 via the vehicle-side communication unit 21.
  • the processing unit 74 in the management device 171 receives the update information from the relay device 101 via the communication unit 71, the processing unit 74 stores the received update information in the storage unit 73 (step S210).
  • the management device 171 and the relay device 101 disconnect the communication connection (step S212).
  • the processing unit 74 recognizes that the prime mover of the vehicle 1 has started because each control device 75 is operating, and decides to postpone the update process of the firmware of the target control device until the prime mover stops. (Step S214).
  • step S216 the user stops the prime mover of the vehicle 1 (step S216).
  • the processing unit 74 in the management apparatus 171 recognizes that the prime mover of the vehicle 1 has stopped because the operation of each control device 75 has stopped, and updates the firmware of the target control device (step S218).
  • the processing unit 74 identifies the target control device based on the identification information of the target control device attached to the update data included in the update information, and uses the update data to identify the target control device. Update the firmware.
  • the processing unit 74 creates update result information (step S220). More specifically, the processing unit 74 creates update result information indicating success or failure of firmware update, identification information of the target control device, and firmware version.
  • the processing unit 74 stores the created update result information in the storage unit 73 (step S222).
  • step S206 is not limited to the above as long as step S214 is performed after step S206, and may be performed in any order.
  • FIG. 8 is a diagram showing an example of a sequence when update result information is notified in the update system according to the embodiment of the present invention.
  • the processing unit 74 in the management device 171 creates vehicle information when a predetermined update time tu arrives (step S302).
  • the processing unit 74 stores the created vehicle information in the storage unit 73 (step S304).
  • the relay apparatus 101 moves (step S306). More specifically, the user gets on the vehicle 1 while holding the key 2 including the relay device 101.
  • step S308 the management device 171 and the relay device 101 establish a communication connection.
  • the processing unit 74 in the management device 171 acquires update result information and vehicle information from the storage unit 73, and transmits the acquired update result information and vehicle information to the relay device 101 via the communication unit 71 (step S310). .
  • the relay unit 24 in the relay device 101 receives the update result information and the vehicle information from the management device 171 via the vehicle-side communication unit 21, the relay unit 24 stores the received update result information and the vehicle information in the storage unit 23 (step). S312).
  • the management device 171 and the relay device 101 disconnect the communication connection (step S314).
  • the relay apparatus 101 moves (step S316). More specifically, the user gets off the vehicle 1 while holding the key 2 including the relay device 101, and moves into the cell Cs, for example.
  • the relay device 101 and the external device 151 establish a communication connection (step S318).
  • the relay unit 24 in the relay device 101 acquires update result information and vehicle information from the storage unit 23, and transmits the acquired update result information and vehicle information to the external device via the network side communication unit 22 and the radio base station device 161. 151 (Step S320).
  • step S322 the relay device 101 and the external device 151 disconnect the communication connection (step S322).
  • the determination unit 54 in the external device 151 updates the correspondence information stored in the storage unit 53 based on the vehicle information and the update result information received from the relay device 101 (step S324).
  • the determination unit 54 acquires the identification information and version of the target control device that has successfully updated the firmware from the update result information.
  • the determination unit 54 identifies the version to be rewritten in the correspondence information using the identification information IDc included in the vehicle information and the acquired identification information of the target control device, and converts the identified version into the version acquired from the update result information. rewrite.
  • the determination unit 54 in the external device 151 confirms the presence / absence of the control device 75 whose firmware is to be updated based on the vehicle information and the correspondence information (step S326).
  • the determination unit 54 determines that there is no control device 75 whose firmware is to be updated.
  • steps S312 and S314 are not limited to the above, and the order may be changed.
  • the relay apparatus 101 is included in the key 2, but the present invention is not limited to this.
  • the wireless terminal device such as a smart phone may function as the relay device 101.
  • vehicle information including version information, identification information IDd, and identification information IDc is transmitted from the management device 171 to the relay device 101.
  • the vehicle information not including the identification information IDc may be transmitted from the management device 171 to the relay device 101.
  • the relay device 101 when the relay device 101 is included in the key 2 having a pair relationship with the vehicle 1, the relay device 101 can statically hold the identification information IDc of the vehicle 1.
  • the wireless terminal device when a wireless terminal device that does not have a pair relationship with the vehicle 1 functions as the relay device 101, the wireless terminal device generally does not have the identification information IDc. It is necessary to acquire the information IDc from the management apparatus 171.
  • the vehicle-side communication unit 21 is configured to receive vehicle information including version information, identification information IDd, and identification information IDc.
  • the vehicle-side communication unit 21 may be configured to receive vehicle information including version information without including the identification information IDd and the identification information IDc.
  • the relay apparatus 101 when the relay apparatus 101 is included in the key 2, the relay apparatus 101 can statically hold the identification information IDc, and thus the identification information IDc need not be acquired from the management apparatus 171.
  • the external device 151 specifies the firmware to be updated without the identification information IDd. Can do.
  • the network side communication unit 22 is configured to receive update information including difference data, identification information IDc, and identification information of the target control device. It is not limited.
  • the network side communication unit 22 may be configured to receive the update information including the difference data without including the identification information IDc and the identification information of the target control device.
  • the relay device 101 when the relay device 101 is included in the key 2, the relay device 101 can statically hold the identification information IDc, and thus does not have to acquire the identification information IDc from the external device 151.
  • the management device 171 does not need to distinguish between the plurality of control devices 75. Therefore, the management device 171 can control the update target control device without the identification information of the target control device. 75 can be specified.
  • the correspondence information indicates the correspondence relationship between the identification information IDc, the identification information IDd, and the latest firmware version of each control device 75, but the present invention is not limited to this. is not.
  • the correspondence information may indicate the correspondence between the identification information IDc and the above version without including the identification information IDd.
  • the external device 151 specifies the latest version from the correspondence information without the identification information IDd. Can do.
  • the version information is transmitted from the management apparatus 171 to the external apparatus 151 via the relay apparatus 101.
  • the configuration may be such that the version information is not transmitted from the management apparatus 171 to the external apparatus 151 via the relay apparatus 101.
  • the external device 151 transmits the firmware to the relay device 101 as soon as the latest version of firmware is prepared.
  • the vehicle-side communication unit 21 and the network-side communication unit 22 are configured to use the same communication protocol as the communication protocol used between the external device 151 and the management device 171.
  • the present invention is not limited to this.
  • a configuration in which at least one of the vehicle-side communication unit 21 and the network-side communication unit 22 uses a communication protocol different from the communication protocol used between the external device 151 and the management device 171 may be used.
  • the vehicle-side communication unit 21 and the network-side communication unit 22 are configured to communicate with the management device 171 and the external device 151 according to the same communication protocol.
  • the present invention is not limited to this.
  • the vehicle-side communication unit 21 and the network-side communication unit 22 may be configured to communicate with the management device 171 and the external device 151 according to different communication protocols.
  • the vehicle-side communication unit 21 and the network-side communication unit 22 are configured to perform wireless communication with the external device 151 and the management device 171 respectively. Not what you want.
  • a configuration may be employed in which wired communication is performed when at least one of the vehicle-side communication unit 21 and the network-side communication unit 22 is connected to the external device 151 and the management device 171 via a cable or the like.
  • the vehicle-side communication unit 21 starts exchanging data with the management device 171 in response to the wireless communication with the management device 171 being enabled.
  • the present invention is not limited to this.
  • the vehicle-side communication unit 21 may be configured to start data exchange with the management device 171 at an arbitrary timing.
  • the network side communication unit 22 starts exchanging data with the external device 151 in response to the wireless communication with the external device 151 being enabled.
  • the network side communication unit 22 may be configured to start exchanging data with the external device 151 at an arbitrary timing.
  • difference data between the latest version of firmware and the firmware currently installed in the control device 75 is transmitted from the external device 151 to the management device 171.
  • the present invention is not limited to this.
  • the entire latest firmware version may be transmitted from the external device 151 to the management device 171.
  • the target device and the management device 171 are separated, but the present invention is not limited to this.
  • the management apparatus 171 may be included in the target device.
  • the information rewriting device described in Patent Document 1 is mounted on a vehicle, and receives a correction program from a program providing device using, for example, wide area radio.
  • the information rewriting device cannot receive the correction program.
  • the network side communication unit 22 receives update data for the target device mounted on the vehicle 1 from the external device 151.
  • the storage unit 23 stores the update data received by the network side communication unit 22.
  • the vehicle side communication part 21 transmits the update data memorize
  • the relay apparatus 101 uses the wide area radio to transmit update data such as firmware for the target device from the external apparatus 151.
  • update data such as firmware for the target device from the external apparatus 151.
  • the difference data based on the firmware can be received and stored, and then the update data can be transmitted to the management device 171 when moving to the vehicle 1, so that the update data is transmitted from the external device 151 to the management device 171. Can do. Therefore, it is possible to more reliably update the device data in the vehicle.
  • the vehicle-side communication unit 21 receives version information indicating the version of data reflected in the target device from the vehicle 1.
  • the storage unit 23 further stores vehicle information including the version information received by the vehicle side communication unit 21 and the identification information IDc of the vehicle 1.
  • the network side communication unit 22 transmits the vehicle information stored in the storage unit 23 to the external device 151.
  • the external device 151 stores correspondence information indicating a correspondence relationship between the identification information IDc of the vehicle 1 and the latest data version of the target device mounted on the vehicle 1.
  • the external device 151 transmits update information including part or all of the latest corresponding data as update data.
  • the vehicle-side communication unit 21 transmits the update information received by the network-side communication unit 22 to the management device 171.
  • the latest version of data is transferred from the external apparatus 151 to the management apparatus 171. Can be transmitted.
  • the data of the target device can be updated. That is, the device data in the vehicle 1 can be updated efficiently.
  • the vehicle information, the correspondence information, and the update information further include identification information IDd of the target device.
  • the data of the target devices can be correctly updated.
  • the management device 171 and the external device 151 communicate with each other according to a predetermined communication protocol.
  • the network side communication unit 22 communicates with the external device 151 according to the predetermined communication protocol.
  • the management device 171 and the external device 151 communicate with each other according to a predetermined communication protocol.
  • the vehicle side communication part 21 communicates with the management apparatus 171 according to the said predetermined communication protocol.
  • the network side communication unit 22 performs wireless communication with the external device 151, and transmits data with the external device 151 in response to the wireless communication being enabled. Start the exchange.
  • the vehicle-side communication unit 21 performs wireless communication with the management device 171, and transmits data to the management device 171 in response to the wireless communication being enabled. Start the exchange.
  • the update information further includes identification information IDc of the vehicle 1.
  • the update information is correctly transmitted by the identification information of the vehicle 1 included in the update information. Can do.
  • a network-side communication unit that receives update data for the target device mounted on the vehicle from an external device;
  • a storage unit for storing the update data received by the network side communication unit;
  • a vehicle-side communication unit that transmits the update data stored in the storage unit to a management device that is installed in the vehicle and manages data update of the target device;
  • the target devices are an engine control device, an AT (Automatic Transmission) control device, a HEV (Hybrid Electric Vehicle) control device, a brake control device, a chassis control device, a steering control device, and an instrument display control device
  • the external device is a FOTA (Firmware On-The-Air) server
  • the management device is a FOTA client;
  • the update data is a relay device, which is data for updating firmware in the target device.

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Software Systems (AREA)
  • Quality & Reliability (AREA)
  • Mechanical Engineering (AREA)
  • Computer Security & Cryptography (AREA)
  • Information Transfer Between Computers (AREA)
  • Stored Programmes (AREA)

Abstract

L'invention concerne un dispositif relais qui comprend : une unité de communication côté réseau qui reçoit, d'un dispositif externe, des données de mise à jour pour un dispositif d'intérêt qui est monté sur un véhicule ; une unité de stockage qui stocke les données de mise à jour qui ont été reçues par l'unité de communication côté réseau ; une unité de communication côté véhicule qui transmet, à un dispositif de gestion qui gère une mise à jour de données du dispositif d'intérêt et qui est monté sur le véhicule, les données de mise à jour qui ont été stockées dans l'unité de stockage.
PCT/JP2017/035510 2017-01-16 2017-09-29 Dispositif relais, procédé et programme de commande de communication WO2018131223A1 (fr)

Applications Claiming Priority (2)

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JP2017-005140 2017-01-16
JP2017005140A JP2018116349A (ja) 2017-01-16 2017-01-16 中継装置、通信制御方法および通信制御プログラム

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WO2018131223A1 true WO2018131223A1 (fr) 2018-07-19

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JP7101808B2 (ja) * 2018-11-30 2022-07-15 三菱電機株式会社 機器制御システムおよびサーバ
JP7439720B2 (ja) * 2020-10-06 2024-02-28 トヨタ自動車株式会社 更新データを配信するサーバ、方法及びプログラム

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