DE2900955A1 - Verfahren und vorrichtung zur sicherung eines mikrocomputers gegen datenverlust bei stromausfall - Google Patents

Verfahren und vorrichtung zur sicherung eines mikrocomputers gegen datenverlust bei stromausfall

Info

Publication number
DE2900955A1
DE2900955A1 DE19792900955 DE2900955A DE2900955A1 DE 2900955 A1 DE2900955 A1 DE 2900955A1 DE 19792900955 DE19792900955 DE 19792900955 DE 2900955 A DE2900955 A DE 2900955A DE 2900955 A1 DE2900955 A1 DE 2900955A1
Authority
DE
Germany
Prior art keywords
data
storage medium
memory
test data
volatile
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
DE19792900955
Other languages
German (de)
English (en)
Inventor
Tomio Itou
Masanori Mizote
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nissan Motor Co Ltd
Original Assignee
Nissan Motor Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nissan Motor Co Ltd filed Critical Nissan Motor Co Ltd
Publication of DE2900955A1 publication Critical patent/DE2900955A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F11/16—Error detection or correction of the data by redundancy in hardware
    • G06F11/1666—Error detection or correction of the data by redundancy in hardware where the redundant component is memory or memory area
    • G06F11/167—Error detection by comparing the memory output
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
    • F02P5/00—Advancing or retarding ignition; Control therefor
    • F02P5/04—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions
    • F02P5/145—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions using electrical means
    • F02P5/15—Digital data processing
    • F02P5/1502—Digital data processing using one central computing unit
    • F02P5/151—Digital data processing using one central computing unit with means for compensating the variation of the characteristics of the engine or of a sensor, e.g. by ageing
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • G05B19/0428—Safety, monitoring
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
    • G06F11/0751—Error or fault detection not based on redundancy
    • G06F11/0763—Error or fault detection not based on redundancy by bit configuration check, e.g. of formats or tags
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F11/14—Error detection or correction of the data by redundancy in operation
    • G06F11/1402—Saving, restoring, recovering or retrying
    • G06F11/1415—Saving, restoring, recovering or retrying at system level
    • G06F11/1441—Resetting or repowering
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C5/00—Registering or indicating the working of vehicles
    • G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
    • G07C5/10—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time using counting means or digital clocks
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/20—Pc systems
    • G05B2219/23—Pc programming
    • G05B2219/23215—Check data validity in ram, keep correct validity, compare rom ram
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/20—Pc systems
    • G05B2219/24—Pc safety
    • G05B2219/24139—Recovery from power loss, failure
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/40—Engine management systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Signal Processing (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)
  • Power Sources (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Detection And Correction Of Errors (AREA)
DE19792900955 1978-01-11 1979-01-11 Verfahren und vorrichtung zur sicherung eines mikrocomputers gegen datenverlust bei stromausfall Withdrawn DE2900955A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP168078A JPS5494850A (en) 1978-01-11 1978-01-11 Arithmetic processor

Publications (1)

Publication Number Publication Date
DE2900955A1 true DE2900955A1 (de) 1979-08-02

Family

ID=11508218

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19792900955 Withdrawn DE2900955A1 (de) 1978-01-11 1979-01-11 Verfahren und vorrichtung zur sicherung eines mikrocomputers gegen datenverlust bei stromausfall

Country Status (5)

Country Link
US (1) US4402057A (en, 2012)
JP (1) JPS5494850A (en, 2012)
DE (1) DE2900955A1 (en, 2012)
FR (1) FR2414755A1 (en, 2012)
GB (1) GB2013378B (en, 2012)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3415027A1 (de) * 1983-04-20 1984-10-25 Casio Computer Co., Ltd., Tokio/Tokyo Batteriebetriebenes elektronisches kleingeraet mit initialisierungsfunktion
DE3343227A1 (de) * 1983-11-30 1985-06-05 Robert Bosch Gmbh, 7000 Stuttgart Verfahren zur ueberwachung von elektronischen rechenbausteinen, insbesondere mikroprozessoren
DE3518099A1 (de) * 1984-05-22 1985-11-28 Sharp K.K., Osaka Programmierbarer rechner
US4819237A (en) * 1987-08-05 1989-04-04 Digital Appliance Controls, Inc. Method and apparatus for monitoring the validity of microprocess or volatile memory
DE3744200A1 (de) * 1987-12-24 1989-07-13 Heidelberger Druckmasch Ag Vorrichtung, verfahren zur sicherung von daten
FR2785655A1 (fr) * 1998-11-09 2000-05-12 Luk Getriebe Systeme Gmbh Procede pour faire fonctionner un vehicule automobile ou pour accroitre sa capacite de fonctionnement.

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JPS5637883A (en) * 1979-09-04 1981-04-11 Fanuc Ltd Information rewrite system
IT1118947B (it) * 1979-10-04 1986-03-03 Indesit Circuito elettronico di memorizzazione di dati in un apparato elettrodomestico
FR2478686B1 (fr) * 1980-03-21 1986-09-26 Amiens Const Elect Mec Procede de commande d'une machine a laver a fonctionnement regi par un microprocesseur, et machine a laver mettant en oeuvre ledit procede
US4498151A (en) * 1980-04-17 1985-02-05 Texas Instruments Incorporated On board non-volatile memory programming
NL8003567A (nl) * 1980-06-20 1982-01-18 Philips Nv Dienstverlenende inrichting met een digitale program- meerinrichting welke is beveiligd tegen storingen door een willekeurig aanschakelen van het apparaat.
JPS5723101A (en) * 1980-07-16 1982-02-06 Toyota Motor Corp Controlling method for memory for internal combustion engine
JPS5764397A (en) * 1980-10-03 1982-04-19 Olympus Optical Co Ltd Memory device
JPS57139861A (en) * 1981-02-25 1982-08-30 Nissan Motor Co Ltd Multicomputer system
US4442501A (en) * 1981-02-26 1984-04-10 Pitney Bowes Inc. Electronic postage meter with weak memory indication
FR2506038A1 (fr) * 1981-05-12 1982-11-19 Carpano & Pons Dispositif de commande, en particulier pour appareils electrodomestiques
JPS57187751A (en) * 1981-05-13 1982-11-18 Hitachi Ltd Vehicle engine controller
EP0071002B1 (en) * 1981-07-27 1988-05-25 International Business Machines Corporation Data processing apparatus including stored value access control to shared storage
DE3133304A1 (de) * 1981-08-22 1983-03-03 Robert Bosch Gmbh, 7000 Stuttgart Verfahren zur erhoehung der zuverlaessigkeit von halbleiterspeichern in kraftfahrzeugen
JPS58107927A (ja) * 1981-12-22 1983-06-27 Tamura Electric Works Ltd 公衆電話機
US4488300A (en) * 1982-12-01 1984-12-11 The Singer Company Method of checking the integrity of a source of additional memory for use in an electronically controlled sewing machine
JPS59163649A (ja) * 1983-02-28 1984-09-14 デイ−ア・アンド・カンパニ− 不揮発性メモリ故障検知
JPS59192740U (ja) * 1983-06-02 1984-12-21 パイオニア株式会社 コンピユ−タ装置
JPS603047A (ja) * 1983-06-20 1985-01-09 Canon Inc 記憶制御方式
GB2145253A (en) * 1983-08-17 1985-03-20 Philips Electronic Associated Method of controlling a domestic appliance
US4654717A (en) * 1985-05-20 1987-03-31 Rca Corporation Cathode-ray tube arc-over protection for digital data in television display apparatus
FR2591008B1 (fr) * 1985-11-30 1991-05-17 Toshiba Kk Dispositif electronique portatif
CH661833GA3 (en, 2012) * 1985-12-18 1987-08-31
DE3602112A1 (de) * 1986-01-24 1987-07-30 Vdo Schindling System zur speicherung von informationen
US4763333A (en) * 1986-08-08 1988-08-09 Universal Vectors Corporation Work-saving system for preventing loss in a computer due to power interruption
JPS63230370A (ja) * 1987-03-19 1988-09-26 Fujitsu Ltd プリンタ装置
JPH01265343A (ja) * 1988-04-16 1989-10-23 Sharp Corp 記憶装置の検査方法
JP2987446B2 (ja) * 1989-06-29 1999-12-06 富士重工業株式会社 車輌の自己診断装置
US5195100A (en) * 1990-03-02 1993-03-16 Micro Technology, Inc. Non-volatile memory storage of write operation identifier in data sotrage device
JP2862036B2 (ja) * 1991-09-17 1999-02-24 三菱電機株式会社 数値制御装置
US5751948A (en) * 1995-12-26 1998-05-12 Carrier Corporation System for processing HVAC control information
US5884211A (en) * 1997-01-23 1999-03-16 Ford Global Technologies, Inc. System and method for memory reset of a vehicle controller
US5941915A (en) * 1997-02-18 1999-08-24 Cummins Engine Company, Inc. System for providing accurately time stamped vehicle operational messages following a real-time clock reset
GB9713094D0 (en) 1997-06-21 1997-08-27 Philips Electronics Nv Optical disc drive
US8666642B2 (en) * 2010-02-10 2014-03-04 GM Global Technology Operations LLC Memory corruption detection in engine control systems
WO2023019415A1 (zh) * 2021-08-17 2023-02-23 华为技术有限公司 掉电检测方法及相关设备

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2360956A1 (de) * 1972-12-10 1974-07-25 Dso Isot Einrichtung zur mikroprogrammsteuerung von elektronischen registrierkassen
DE2800892A1 (de) * 1977-01-10 1978-09-21 Xerox Corp Nichtfluechtiger speicher
DE2739768A1 (de) * 1977-09-03 1979-03-22 Peter Eiba Anzeigevorrichtung insbesondere fuer geldspielgeraete mit gewinnmoeglichkeit

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US3544777A (en) * 1967-11-06 1970-12-01 Trw Inc Two memory self-correcting system
GB1265013A (en, 2012) * 1969-04-24 1972-03-01
US3659275A (en) * 1970-06-08 1972-04-25 Cogar Corp Memory correction redundancy system
US3810116A (en) * 1972-11-24 1974-05-07 Sperry Rand Corp Volatile memory protection
US3835819A (en) * 1972-12-29 1974-09-17 Essex International Inc Digital engine control apparatus and method
US3821715A (en) * 1973-01-22 1974-06-28 Intel Corp Memory system for a multi chip digital computer
US3828321A (en) * 1973-03-15 1974-08-06 Gte Automatic Electric Lab Inc System for reconfiguring central processor and instruction storage combinations
FR2261694A5 (en, 2012) * 1973-09-05 1975-09-12 Honeywell Bull Soc Ind
GB1453709A (en) * 1973-12-05 1976-10-27 Texas Instruments Ltd Monitoring system
US3964018A (en) * 1974-10-29 1976-06-15 Kysor Industrial Corporation Vehicle monitoring system with fault override
US4010450A (en) * 1975-03-26 1977-03-01 Honeywell Information Systems, Inc. Fail soft memory
US4014005A (en) * 1976-01-05 1977-03-22 International Business Machines Corporation Configuration and control unit for a heterogeneous multi-system
US4045779A (en) * 1976-03-15 1977-08-30 Xerox Corporation Self-correcting memory circuit
US4128885A (en) * 1977-05-18 1978-12-05 Motorola, Inc. Digital circuitry for spark timing and exhaust gas recirculation control
US4159531A (en) * 1977-11-21 1979-06-26 Mcgrath Joseph G Programmable read-only memory system for indicating service maintenance points for motor vehicles

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2360956A1 (de) * 1972-12-10 1974-07-25 Dso Isot Einrichtung zur mikroprogrammsteuerung von elektronischen registrierkassen
DE2800892A1 (de) * 1977-01-10 1978-09-21 Xerox Corp Nichtfluechtiger speicher
DE2739768A1 (de) * 1977-09-03 1979-03-22 Peter Eiba Anzeigevorrichtung insbesondere fuer geldspielgeraete mit gewinnmoeglichkeit

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3415027A1 (de) * 1983-04-20 1984-10-25 Casio Computer Co., Ltd., Tokio/Tokyo Batteriebetriebenes elektronisches kleingeraet mit initialisierungsfunktion
DE3343227A1 (de) * 1983-11-30 1985-06-05 Robert Bosch Gmbh, 7000 Stuttgart Verfahren zur ueberwachung von elektronischen rechenbausteinen, insbesondere mikroprozessoren
DE3518099A1 (de) * 1984-05-22 1985-11-28 Sharp K.K., Osaka Programmierbarer rechner
US4819237A (en) * 1987-08-05 1989-04-04 Digital Appliance Controls, Inc. Method and apparatus for monitoring the validity of microprocess or volatile memory
DE3744200A1 (de) * 1987-12-24 1989-07-13 Heidelberger Druckmasch Ag Vorrichtung, verfahren zur sicherung von daten
FR2785655A1 (fr) * 1998-11-09 2000-05-12 Luk Getriebe Systeme Gmbh Procede pour faire fonctionner un vehicule automobile ou pour accroitre sa capacite de fonctionnement.
WO2000028391A3 (de) * 1998-11-09 2000-11-16 Luk Lamellen & Kupplungsbau Kraftfahrzeug
US6950734B2 (en) 1998-11-09 2005-09-27 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Motor vehicle

Also Published As

Publication number Publication date
FR2414755A1 (fr) 1979-08-10
FR2414755B1 (en, 2012) 1984-02-17
JPS5494850A (en) 1979-07-26
GB2013378A (en) 1979-08-08
GB2013378B (en) 1982-06-03
US4402057A (en) 1983-08-30

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