WO2005078264A1 - 車両用データのバックアップ方法 - Google Patents
車両用データのバックアップ方法 Download PDFInfo
- Publication number
- WO2005078264A1 WO2005078264A1 PCT/JP2005/001981 JP2005001981W WO2005078264A1 WO 2005078264 A1 WO2005078264 A1 WO 2005078264A1 JP 2005001981 W JP2005001981 W JP 2005001981W WO 2005078264 A1 WO2005078264 A1 WO 2005078264A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- data
- control unit
- engine
- electronic control
- vehicle
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/16—Protection against loss of memory contents
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
- F02D41/26—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using computer, e.g. microprocessor
- F02D41/266—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using computer, e.g. microprocessor the computer being backed-up or assisted by another circuit, e.g. analogue
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
- F02D41/2406—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using essentially read only memories
- F02D41/2425—Particular ways of programming the data
- F02D41/2487—Methods for rewriting
- F02D41/249—Methods for preventing the loss of data
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
- F02D41/26—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using computer, e.g. microprocessor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C22/00—Measuring distance traversed on the ground by vehicles, persons, animals or other moving solid bodies, e.g. using odometers, using pedometers
Definitions
- the engine operation time data and the operation history data for estimating the deterioration of parts over time are updated at appropriate times, and the updated data is stored in the memory 2 as accumulated data.
- Stored in A The operation control of the engine in the engine electronic control unit 2 is executed with reference to the stored data, and the execution of the optimal control for the engine is always ensured.
- the accumulated data stored in the memory 2A of the engine electronic control unit 2 is transferred to the electronic unit 3 via the data bus 4 at an appropriate timing. 1 to 3-n and stored as backup data in the non-volatile RAM 5-1,..., 5-n of each unit.
- the backup data of the stored data may be stored only in any one electronic unit. If the backup data is stored in all the electronic units 3-1 to 3-n as in the present embodiment, the reliability of the data backup is further improved, which is preferable. In this case, it is desirable to prioritize multiple backup data.
- FIG. 2 is a flowchart showing an example of a backup data transfer program.
- Knockup data transfer program 20 turns the engine key from off to on Triggered by switching to.
- the backup data transfer program is started, first, the timer is reset in step 21 and it is determined in step 22 whether or not a predetermined time (for example, 10 ⁇ sec) has elapsed based on the value of the timer. . If the predetermined time has not elapsed, the determination result of step 22 becomes NO, and step 22 is executed again. In this way, when the predetermined time has elapsed, the determination result in step 22 becomes YES, and the flow advances to step 23 to store the data stored in the memory 2A in each of the electronic units 3-1 to 3_n. The backup data transfer to RAM 5-1 to 5-n is executed. After execution of step 23, the process returns to step 21 to reset the timer and repeat the above operation.
- a predetermined time for example, 10 ⁇ sec
- FIG. 3 is a flowchart showing an example of an engine control program having the transfer control function.
- the engine control program 30 will be described.
- the engine control program 30 is started when the electronic engine control unit 2 is assembled in the vehicle system 1 and the power switch is turned on.
- the engine electronic control unit in use breaks down, simply replace it with a normal engine electronic control unit 2 without any special measures, and the engine electronic control unit 2 is installed on this vehicle system 1 for the first time. Recognize. And inside the car Using the data bus 4 of the LAN, a request for transfer of backup data is made to one of the electronic units 3-1 to 3-1n according to a given priority. The electronic unit receiving the request transfers the stored backup data to the engine electronic control unit 2. The engine electronic control unit 2 performs initialization processing using the sent backup data, and then updates the data.
- the backup data is stored in the electronic unit provided in advance in the same vehicle system for another purpose, and is exchanged after the engine electronic control unit is replaced without using a special tool.
- the engine electronic control unit is automatically initialized with the past data accumulated so far. Even if the engine electronic control unit enters the catastrophic failure mode, it can be automatically initialized with the past data accumulated so far after the engine electronic control unit is replaced.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Techniques For Improving Reliability Of Storages (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/589,334 US7685383B2 (en) | 2004-02-13 | 2005-02-03 | Vehicle data backup method |
EP05710033A EP1715167A4 (en) | 2004-02-13 | 2005-02-03 | METHOD FOR SAVING VEHICLE DATA |
JP2005517960A JP4247233B2 (ja) | 2004-02-13 | 2005-02-03 | 車両用データのバックアップ方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004-036082 | 2004-02-13 | ||
JP2004036082 | 2004-02-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005078264A1 true WO2005078264A1 (ja) | 2005-08-25 |
Family
ID=34857711
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/001981 WO2005078264A1 (ja) | 2004-02-13 | 2005-02-03 | 車両用データのバックアップ方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7685383B2 (ja) |
EP (1) | EP1715167A4 (ja) |
JP (1) | JP4247233B2 (ja) |
KR (1) | KR20060114003A (ja) |
CN (1) | CN100572782C (ja) |
WO (1) | WO2005078264A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2021164113A (ja) * | 2020-04-02 | 2021-10-11 | 株式会社クボタ | 作業車両 |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB0625832D0 (en) * | 2006-12-22 | 2007-02-07 | Ricardo Uk Ltd | Real-time in cycle engine model |
US8341121B1 (en) * | 2007-09-28 | 2012-12-25 | Emc Corporation | Imminent failure prioritized backup |
WO2010044781A1 (en) * | 2008-10-14 | 2010-04-22 | Hewlett-Packard Development Company, L.P. | Aggregating media content from multiple clients to a server |
FR2942557B1 (fr) * | 2009-02-24 | 2011-03-04 | Peugeot Citroen Automobiles Sa | Procede de sauvegarde des donnees lors du remplacement d'un calculateur electronique. |
DE102009046860A1 (de) * | 2009-11-19 | 2011-05-26 | Zf Friedrichshafen Ag | Kraftfahrzeugsteuerungssystem |
US20120036301A1 (en) * | 2010-08-03 | 2012-02-09 | Caspole Eric R | Processor support for filling memory regions |
JP5556732B2 (ja) * | 2011-04-15 | 2014-07-23 | 株式会社デンソー | スタータ駆動回数記憶システム及び電子制御ユニット |
JP5644707B2 (ja) * | 2011-07-20 | 2014-12-24 | 株式会社デンソー | 電子制御装置及び制御システム |
JP5630485B2 (ja) * | 2012-09-06 | 2014-11-26 | 株式会社デンソー | 車載通信システム |
DE102015207795A1 (de) | 2015-04-28 | 2016-11-03 | Robert Bosch Gmbh | Verfahren und Vorrichtung zum Aktualisieren von Software in einem Transportmittel |
CN105785977B (zh) * | 2016-05-03 | 2018-09-11 | 北京新能源汽车股份有限公司 | 车辆的电控系统的数据存储方法及电控系统 |
US20240013589A1 (en) * | 2020-08-24 | 2024-01-11 | Cummins Inc. | Systems and methods for critical data save in electronic control modules |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0619532A (ja) | 1992-01-27 | 1994-01-28 | Honda Motor Co Ltd | データバックアップシステム |
JP2003056398A (ja) * | 2001-08-16 | 2003-02-26 | Denso Corp | 車両用電子制御システム、電子制御ユニット及び車両情報書込方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5430793A (en) * | 1994-02-25 | 1995-07-04 | Intel Corporation | Apparatus and method for configuring a computer system and a modem for use in a particular country |
JPH09288573A (ja) * | 1996-04-23 | 1997-11-04 | Mitsubishi Electric Corp | 車載制御装置 |
US6173417B1 (en) * | 1998-04-30 | 2001-01-09 | Intel Corporation | Initializing and restarting operating systems |
JP4345119B2 (ja) * | 1998-12-24 | 2009-10-14 | 株式会社デンソー | 車載電子制御ユニットと同電子制御ユニットの交換方法 |
CN2476459Y (zh) * | 2001-04-20 | 2002-02-13 | 周立平 | 汽车监控器 |
JP3969278B2 (ja) * | 2002-10-21 | 2007-09-05 | 株式会社デンソー | 電子制御装置 |
JP4065790B2 (ja) * | 2003-01-17 | 2008-03-26 | 三菱電機株式会社 | 車載電子制御装置 |
-
2005
- 2005-02-03 WO PCT/JP2005/001981 patent/WO2005078264A1/ja active Application Filing
- 2005-02-03 US US10/589,334 patent/US7685383B2/en not_active Expired - Fee Related
- 2005-02-03 JP JP2005517960A patent/JP4247233B2/ja not_active Expired - Fee Related
- 2005-02-03 CN CNB200580001630XA patent/CN100572782C/zh not_active Expired - Fee Related
- 2005-02-03 EP EP05710033A patent/EP1715167A4/en not_active Withdrawn
- 2005-02-03 KR KR1020067016112A patent/KR20060114003A/ko not_active Application Discontinuation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0619532A (ja) | 1992-01-27 | 1994-01-28 | Honda Motor Co Ltd | データバックアップシステム |
JP2003056398A (ja) * | 2001-08-16 | 2003-02-26 | Denso Corp | 車両用電子制御システム、電子制御ユニット及び車両情報書込方法 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2021164113A (ja) * | 2020-04-02 | 2021-10-11 | 株式会社クボタ | 作業車両 |
Also Published As
Publication number | Publication date |
---|---|
US20070283110A1 (en) | 2007-12-06 |
JPWO2005078264A1 (ja) | 2007-08-02 |
CN100572782C (zh) | 2009-12-23 |
KR20060114003A (ko) | 2006-11-03 |
CN1906394A (zh) | 2007-01-31 |
JP4247233B2 (ja) | 2009-04-02 |
EP1715167A4 (en) | 2011-04-20 |
EP1715167A1 (en) | 2006-10-25 |
US7685383B2 (en) | 2010-03-23 |
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