JP2019193112A - 通信システム - Google Patents
通信システム Download PDFInfo
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- JP2019193112A JP2019193112A JP2018084308A JP2018084308A JP2019193112A JP 2019193112 A JP2019193112 A JP 2019193112A JP 2018084308 A JP2018084308 A JP 2018084308A JP 2018084308 A JP2018084308 A JP 2018084308A JP 2019193112 A JP2019193112 A JP 2019193112A
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- 238000004891 communication Methods 0.000 title claims abstract description 26
- 230000008929 regeneration Effects 0.000 claims abstract description 6
- 238000011069 regeneration method Methods 0.000 claims abstract description 6
- 230000005540 biological transmission Effects 0.000 claims description 22
- 238000009434 installation Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 description 43
- 239000004065 semiconductor Substances 0.000 description 33
- 230000006870 function Effects 0.000 description 7
- 238000012545 processing Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
- G06F13/4282—Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
- G06F11/10—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's
-
- 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
-
- 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/10—Program control for peripheral devices
- G06F13/12—Program control for peripheral devices using hardware independent of the central processor, e.g. channel or peripheral processor
- G06F13/122—Program control for peripheral devices using hardware independent of the central processor, e.g. channel or peripheral processor where hardware performs an I/O function other than control of data transfer
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/14—Handling requests for interconnection or transfer
- G06F13/16—Handling requests for interconnection or transfer for access to memory bus
- G06F13/1668—Details of memory controller
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
- G06F7/58—Random or pseudo-random number generators
- G06F7/588—Random number generators, i.e. based on natural stochastic processes
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
- G06F9/38—Concurrent instruction execution, e.g. pipeline or look ahead
- G06F9/3877—Concurrent instruction execution, e.g. pipeline or look ahead using a slave processor, e.g. coprocessor
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Software Systems (AREA)
- Quality & Reliability (AREA)
- Computational Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Small-Scale Networks (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
Description
2 マスター装置
3 スレーブ装置
24A CPU(第1設定部、第2送信部、第3送信部)
25〜27 半導体リレー(スイッチ)
33A CPU(生成部、第1送信部、第2設定部)
301 +B用スレーブ装置群
302 ACC用スレーブ装置群
303 IG用スレーブ装置群
Claims (6)
- 複数のスレーブ装置と、前記複数のスレーブ装置と通信するマスター装置と、を備えた通信システムにおいて、
前記複数のスレーブ装置はそれぞれ、識別情報の設定時にランダム情報を生成する生成部と、前記生成したランダム情報を送信する第1送信部と、を有し、
前記マスター装置は、前記複数のスレーブ装置から各々受信した前記ランダム情報が全て異なる場合、各ランダム情報に基づいて識別情報を設定する第1設定部と、前記複数のスレーブ装置から受信された前記ランダム情報が一致するものを含む場合、前記ランダム情報の再生成命令を送信する第2送信部と、を有し、
前記生成部は、前記再生成命令を受信すると前記ランダム情報を生成し直すことを特徴とする通信システム。 - 前記複数のスレーブ装置から構成されるスレーブ装置群が、複数種類、設けられ、
前記マスター装置は、前記複数のスレーブ装置群毎に設けられ、対応する前記スレーブ装置群に電源を供給するスイッチを有し、前記スイッチを順にオンして、前記第1設定部により前記スレーブ装置群毎に順番に前記複数のスレーブ装置の識別情報を設定させることを特徴とする請求項1に記載の通信システム。 - 前記第1設定部は、前記各ランダム情報に対応する識別情報を設定し、
前記マスター装置は、前記ランダム情報に前記設定した識別情報を付与して送信する第3送信部を有し、
前記複数のスレーブ装置は、自身が生成したランダム情報を受信すると当該受信した識別情報を自身の識別情報として設定する第2設定部を有することを特徴とする請求項1又は2に記載の通信システム。 - 前記マスター装置は、車両内に複数設置され、
前記識別情報は、前記マスター装置の車両内での設置位置を示す設置情報を含むことを特徴とする請求項3に記載の通信システム。 - 前記スレーブ装置は、自身の識別情報が予め定めた初期識別情報であれば、前記ランダム情報の生成を行うことを特徴とする請求項1〜4何れか1項に記載の通信システム。
- 前記第1送信部は、前記ランダム情報に前記初期識別情報を付加して送信し、
前記マスター装置は、前記初期識別情報を受信すると、前記第1設定部により前記識別情報を設定させることを特徴とする請求項5に記載の通信システム。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018084308A JP7046699B2 (ja) | 2018-04-25 | 2018-04-25 | 通信システム |
US16/285,880 US11194652B2 (en) | 2018-04-25 | 2019-02-26 | Communication system |
EP19166027.3A EP3561683B1 (en) | 2018-04-25 | 2019-03-29 | Setting identification information in a communication system. |
CN201910337823.6A CN110395197B (zh) | 2018-04-25 | 2019-04-25 | 通信系统 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018084308A JP7046699B2 (ja) | 2018-04-25 | 2018-04-25 | 通信システム |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019193112A true JP2019193112A (ja) | 2019-10-31 |
JP7046699B2 JP7046699B2 (ja) | 2022-04-04 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2018084308A Active JP7046699B2 (ja) | 2018-04-25 | 2018-04-25 | 通信システム |
Country Status (4)
Country | Link |
---|---|
US (1) | US11194652B2 (ja) |
EP (1) | EP3561683B1 (ja) |
JP (1) | JP7046699B2 (ja) |
CN (1) | CN110395197B (ja) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102021112571A1 (de) | 2020-06-04 | 2021-12-09 | Kabushiki Kaisha Tokai Rika Denki Seisakusho | Steuervorrichtung, nicht-vorübergehendes Speichermedium und System |
DE102021126249A1 (de) | 2020-10-29 | 2022-05-05 | Kabushiki Kaisha Tokai-Rika-Denki-Seisakusho | Paarungsregistrierungsverfahren, System und Steuerungseinrichtung |
US11461249B2 (en) | 2020-06-04 | 2022-10-04 | Kabushiki Kaisha Tokai Rika Denki Seisakusho | System, processing device, and non-transitory storage medium |
US11630894B2 (en) | 2020-06-04 | 2023-04-18 | Kabushiki Kaisha Tokai Rika Denki Seisakusho | Processing device, system, and authentication device for secure authentication between devices |
JP7488696B2 (ja) | 2020-06-04 | 2024-05-22 | 株式会社東海理化電機製作所 | 処理装置、プログラム、およびシステム |
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2018
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-
2019
- 2019-02-26 US US16/285,880 patent/US11194652B2/en active Active
- 2019-03-29 EP EP19166027.3A patent/EP3561683B1/en active Active
- 2019-04-25 CN CN201910337823.6A patent/CN110395197B/zh active Active
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102021112571A1 (de) | 2020-06-04 | 2021-12-09 | Kabushiki Kaisha Tokai Rika Denki Seisakusho | Steuervorrichtung, nicht-vorübergehendes Speichermedium und System |
US11461249B2 (en) | 2020-06-04 | 2022-10-04 | Kabushiki Kaisha Tokai Rika Denki Seisakusho | System, processing device, and non-transitory storage medium |
US11630894B2 (en) | 2020-06-04 | 2023-04-18 | Kabushiki Kaisha Tokai Rika Denki Seisakusho | Processing device, system, and authentication device for secure authentication between devices |
JP7488696B2 (ja) | 2020-06-04 | 2024-05-22 | 株式会社東海理化電機製作所 | 処理装置、プログラム、およびシステム |
DE102021126249A1 (de) | 2020-10-29 | 2022-05-05 | Kabushiki Kaisha Tokai-Rika-Denki-Seisakusho | Paarungsregistrierungsverfahren, System und Steuerungseinrichtung |
Also Published As
Publication number | Publication date |
---|---|
US20190332464A1 (en) | 2019-10-31 |
JP7046699B2 (ja) | 2022-04-04 |
EP3561683B1 (en) | 2021-06-30 |
EP3561683A1 (en) | 2019-10-30 |
US11194652B2 (en) | 2021-12-07 |
CN110395197B (zh) | 2023-04-07 |
CN110395197A (zh) | 2019-11-01 |
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