JPS5732061A - Ignition timing controlling method - Google Patents

Ignition timing controlling method

Info

Publication number
JPS5732061A
JPS5732061A JP10641080A JP10641080A JPS5732061A JP S5732061 A JPS5732061 A JP S5732061A JP 10641080 A JP10641080 A JP 10641080A JP 10641080 A JP10641080 A JP 10641080A JP S5732061 A JPS5732061 A JP S5732061A
Authority
JP
Japan
Prior art keywords
engine
load
sought
compensating value
angle
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
JP10641080A
Other languages
Japanese (ja)
Other versions
JPH0235153B2 (en
Inventor
Kazuyoshi Mizuno
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 JP10641080A priority Critical patent/JPS5732061A/en
Publication of JPS5732061A publication Critical patent/JPS5732061A/en
Publication of JPH0235153B2 publication Critical patent/JPH0235153B2/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
    • F02P5/1506—Digital data processing using one central computing unit with particular means during starting
    • 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 obtain a proper controlling process at the time of low temperature in the engine in such a way that a delay angle compensating value is sought for by load in the engine and water temperature for cooling in the engine in order to perform ignition progressive angle by the determined related formula. CONSTITUTION:A basic progressive value thetab is sought for on the basis of load in the engine and revolving speed in the engine in the step 31. A progressive angle compensating value thetaa in the step 32. The compensating value theta is determined by the characteristic to decrease down to 80 deg.C linearly with rise of water temperature for cooling in the engine. Discrimination is done for need of delay angle compensation in the step 33. Thus, water temperature for cooling in the engine for abscissa and ratio of air inlet volume to revolving speed for ordinate show the load in the engine, and when the engine condition exists on the low load side of the specific line for the both, the delay angle compensation is done. A delay angle compensating value thetar is sought for in the step 34. The compensating value thetar is determined by the characteristic on the basis of the load in the engine. The final progressive angle value thetat is sought for by calculating it out of the formula saying thetat=thetab+thetaa-thetar in the step 36. Thus, the primary electric current is fed to the ignition coil when it is found more forward by thetat for crank angle than at the top dead point in the compression stroke of the cylinder.
JP10641080A 1980-08-04 1980-08-04 Ignition timing controlling method Granted JPS5732061A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10641080A JPS5732061A (en) 1980-08-04 1980-08-04 Ignition timing controlling method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10641080A JPS5732061A (en) 1980-08-04 1980-08-04 Ignition timing controlling method

Publications (2)

Publication Number Publication Date
JPS5732061A true JPS5732061A (en) 1982-02-20
JPH0235153B2 JPH0235153B2 (en) 1990-08-08

Family

ID=14432900

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10641080A Granted JPS5732061A (en) 1980-08-04 1980-08-04 Ignition timing controlling method

Country Status (1)

Country Link
JP (1) JPS5732061A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61169666A (en) * 1985-01-21 1986-07-31 Honda Motor Co Ltd Internal combustion engine ignition timing control method

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7483638B2 (en) 2021-01-05 2024-05-15 三菱重工サーマルシステムズ株式会社 Scroll Compressor

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4949322A (en) * 1972-06-07 1974-05-13
JPS5238176A (en) * 1975-09-20 1977-03-24 Matsushita Electric Works Ltd Magnetic sensing switch
JPS53140420A (en) * 1977-05-13 1978-12-07 Hitachi Ltd Engine combustion controller for automobile

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4949322A (en) * 1972-06-07 1974-05-13
JPS5238176A (en) * 1975-09-20 1977-03-24 Matsushita Electric Works Ltd Magnetic sensing switch
JPS53140420A (en) * 1977-05-13 1978-12-07 Hitachi Ltd Engine combustion controller for automobile

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61169666A (en) * 1985-01-21 1986-07-31 Honda Motor Co Ltd Internal combustion engine ignition timing control method
US4702211A (en) * 1985-01-21 1987-10-27 Honda Giken Kogyo K.K. Ignition timing control method for internal combustion engines

Also Published As

Publication number Publication date
JPH0235153B2 (en) 1990-08-08

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