GB2163276B - Ic engine adaptive mixture control system having sensor failure compensation - Google Patents

Ic engine adaptive mixture control system having sensor failure compensation

Info

Publication number
GB2163276B
GB2163276B GB08518093A GB8518093A GB2163276B GB 2163276 B GB2163276 B GB 2163276B GB 08518093 A GB08518093 A GB 08518093A GB 8518093 A GB8518093 A GB 8518093A GB 2163276 B GB2163276 B GB 2163276B
Authority
GB
United Kingdom
Prior art keywords
control system
mixture control
sensor failure
failure compensation
engine adaptive
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.)
Expired
Application number
GB08518093A
Other versions
GB8518093D0 (en
GB2163276A (en
Inventor
Kunihiro Abe
Yoshitake Matzumura
Takurou Morozomi
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.)
Subaru Corp
Original Assignee
Fuji Jukogyo KK
Fuji Heavy Industries 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 Fuji Jukogyo KK, Fuji Heavy Industries Ltd filed Critical Fuji Jukogyo KK
Publication of GB8518093D0 publication Critical patent/GB8518093D0/en
Publication of GB2163276A publication Critical patent/GB2163276A/en
Application granted granted Critical
Publication of GB2163276B publication Critical patent/GB2163276B/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1486—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor with correction for particular operating conditions
    • F02D41/1488—Inhibiting the regulation
    • F02D41/1489—Replacing of the control value by a constant
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H7/00—Processes or apparatus applicable to both electrical discharge machining and electrochemical machining
    • B23H7/14—Electric circuits specially adapted therefor, e.g. power supply
    • B23H7/16—Electric circuits specially adapted therefor, e.g. power supply for preventing short circuits or other abnormal discharges by altering machining parameters using adaptive control
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H7/00—Processes or apparatus applicable to both electrical discharge machining and electrochemical machining
    • B23H7/14—Electric circuits specially adapted therefor, e.g. power supply
    • B23H7/18—Electric circuits specially adapted therefor, e.g. power supply for maintaining or controlling the desired spacing between electrode and workpiece
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
    • B23H7/00—Processes or apparatus applicable to both electrical discharge machining and electrochemical machining
    • B23H7/14—Electric circuits specially adapted therefor, e.g. power supply
    • B23H7/20—Electric circuits specially adapted therefor, e.g. power supply for programme-control, e.g. adaptive
    • 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
    • F02D41/22—Safety or indicating devices for abnormal conditions
    • 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
    • F02D41/2429—Methods of calibrating or learning
    • F02D41/2451—Methods of calibrating or learning characterised by what is learned or calibrated
    • F02D41/2454—Learning of the air-fuel ratio control
    • 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
    • F02D41/2493—Resetting of data to a predefined set of values
    • 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
    • F02D41/2429—Methods of calibrating or learning
    • F02D41/2451—Methods of calibrating or learning characterised by what is learned or calibrated
    • F02D41/2474—Characteristics of sensors
GB08518093A 1984-07-20 1985-07-18 Ic engine adaptive mixture control system having sensor failure compensation Expired GB2163276B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15177884A JPS6131645A (en) 1984-07-20 1984-07-20 Electronic control for car engine

Publications (3)

Publication Number Publication Date
GB8518093D0 GB8518093D0 (en) 1985-08-21
GB2163276A GB2163276A (en) 1986-02-19
GB2163276B true GB2163276B (en) 1987-11-18

Family

ID=15526089

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08518093A Expired GB2163276B (en) 1984-07-20 1985-07-18 Ic engine adaptive mixture control system having sensor failure compensation

Country Status (3)

Country Link
JP (1) JPS6131645A (en)
DE (1) DE3525896A1 (en)
GB (1) GB2163276B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6138135A (en) * 1984-07-27 1986-02-24 Fuji Heavy Ind Ltd Air-fuel ratio control system in automobile engine
DE3822583A1 (en) * 1988-07-04 1990-01-11 Voest Alpine Automotive DEVICE FOR CONTROLLING AND REGULATING THE INTERNAL COMBUSTION ENGINE OF A VEHICLE
DE3822582A1 (en) * 1988-07-04 1990-02-08 Voest Alpine Automotive DEVICE FOR CONTROLLING AND REGULATING THE INTERNAL COMBUSTION ENGINE OF A VEHICLE
JP5093615B2 (en) * 2009-01-21 2012-12-12 株式会社デンソー Electric vehicle control device
JP6471106B2 (en) * 2016-01-19 2019-02-13 日立オートモティブシステムズ株式会社 Vehicle control device, vehicle control parameter learning system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55134731A (en) * 1979-04-05 1980-10-20 Nippon Denso Co Ltd Controlling method of air-fuel ratio
JPS562437A (en) * 1979-06-19 1981-01-12 Nippon Denso Co Ltd Air-fuel ratio controller
JPS57188745A (en) 1981-05-18 1982-11-19 Nippon Denso Co Ltd Air-fuel ratio control method
JPS58204942A (en) * 1982-05-24 1983-11-29 Nippon Denso Co Ltd Control method of air fuel ratio
JPS58150058A (en) * 1982-03-02 1983-09-06 Toyota Motor Corp Study control method of air-fuel ratio in internal-combustion engine

Also Published As

Publication number Publication date
GB8518093D0 (en) 1985-08-21
DE3525896A1 (en) 1986-02-13
JPS6131645A (en) 1986-02-14
GB2163276A (en) 1986-02-19

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19980718