JPS5776265A - Method of controlling ignition timing of internal combustion engine - Google Patents

Method of controlling ignition timing of internal combustion engine

Info

Publication number
JPS5776265A
JPS5776265A JP55151460A JP15146080A JPS5776265A JP S5776265 A JPS5776265 A JP S5776265A JP 55151460 A JP55151460 A JP 55151460A JP 15146080 A JP15146080 A JP 15146080A JP S5776265 A JPS5776265 A JP S5776265A
Authority
JP
Japan
Prior art keywords
ignition timing
inversion
frequency
idling operation
output signal
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.)
Granted
Application number
JP55151460A
Other languages
Japanese (ja)
Other versions
JPS6321834B2 (en
Inventor
Toshio Suematsu
Yuji Takeda
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.)
Toyota Motor Corp
Original Assignee
Toyota Motor Corp
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 Toyota Motor Corp filed Critical Toyota Motor Corp
Priority to JP55151460A priority Critical patent/JPS5776265A/en
Publication of JPS5776265A publication Critical patent/JPS5776265A/en
Publication of JPS6321834B2 publication Critical patent/JPS6321834B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • F02P5/1508—Digital data processing using one central computing unit with particular means during idling
    • 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)
  • Signal Processing (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Electrical Control Of Ignition Timing (AREA)

Abstract

PURPOSE:To lower vibration of an internal combustion engine, by counting the frequency of inversion of the output of an oxygen-density detector from ''lean'' side to ''rich'' side and vice versa, and delaying the ignition timing for idling operation in case that the detected frequency of inversion within a predetermined time period is greater than a prescribed value. CONSTITUTION:An electronic control unit 14 controls the quantity of fuel ejected from a fuel injection valve 15 through detection of the fact that the output signal of an oxyge-density detector 46 is inverted from ''lean'' side to ''rich'' side and vice versa. Further, when idling operation is detected from the output signal of a vehicle-speed sensor 50 nd a throttle switch 49, the electronic control unit 14 controls the ignition timing to a predetemined ignition timing for idling operation. For this purpose, frequency of inversion of the output signal of the detector 46 is counted for a predetermined period. In case that the frequency of inversion thus detected is greater than a prescribed value, the ignition timing for idling operation is delayed by prescribed degrees.
JP55151460A 1980-10-30 1980-10-30 Method of controlling ignition timing of internal combustion engine Granted JPS5776265A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55151460A JPS5776265A (en) 1980-10-30 1980-10-30 Method of controlling ignition timing of internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55151460A JPS5776265A (en) 1980-10-30 1980-10-30 Method of controlling ignition timing of internal combustion engine

Publications (2)

Publication Number Publication Date
JPS5776265A true JPS5776265A (en) 1982-05-13
JPS6321834B2 JPS6321834B2 (en) 1988-05-09

Family

ID=15519027

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55151460A Granted JPS5776265A (en) 1980-10-30 1980-10-30 Method of controlling ignition timing of internal combustion engine

Country Status (1)

Country Link
JP (1) JPS5776265A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6022535A (en) * 1983-07-13 1985-02-05 Mitsubishi Electric Corp Constant-speed traveling apparatus for car

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6022535A (en) * 1983-07-13 1985-02-05 Mitsubishi Electric Corp Constant-speed traveling apparatus for car

Also Published As

Publication number Publication date
JPS6321834B2 (en) 1988-05-09

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