JPS5718454A - Ignition timing control method - Google Patents
Ignition timing control methodInfo
- Publication number
- JPS5718454A JPS5718454A JP9220980A JP9220980A JPS5718454A JP S5718454 A JPS5718454 A JP S5718454A JP 9220980 A JP9220980 A JP 9220980A JP 9220980 A JP9220980 A JP 9220980A JP S5718454 A JPS5718454 A JP S5718454A
- Authority
- JP
- Japan
- Prior art keywords
- ignition timing
- signal
- timing control
- fixed
- smaller
- 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.)
- Pending
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
-
- 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 prevent an engine against overheating when a mechanism to command the control of a fixed timing control for regulating the ignition timing is remained to be on during running by releasing the mechanism automatically for making the optimum ignition timing control in accordance with the operational state of the engine. CONSTITUTION:Data N, V, and Q respectively of a rotational speed, a car speed, and a suction amount are inputted into a CPU40 from latches 22, 28, and an A/D converter 30 on every impress of the first angle signal from an angle sensor 10. Then, a switch 34 is closed to decide whether an ignition timing regulating specific signal (IS signal) is impressed or not, and after the decision of the IS signal is obtained, whether the present rotational speed N is smaller than the set value No or not is decided. When N<No, whether the present car speed V is smaller than the set value Vo or not is subsequently decided. When V>=V0,the computing step proceeds to the optimum ignition timing. Meanwhile, when V<Vo, an ignition mechanism 58 is controlled to equalize the ignition timing with a fixed advance value previously fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9220980A JPS5718454A (en) | 1980-07-08 | 1980-07-08 | Ignition timing control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9220980A JPS5718454A (en) | 1980-07-08 | 1980-07-08 | Ignition timing control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5718454A true JPS5718454A (en) | 1982-01-30 |
Family
ID=14048047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9220980A Pending JPS5718454A (en) | 1980-07-08 | 1980-07-08 | Ignition timing control method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5718454A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63237753A (en) * | 1987-03-25 | 1988-10-04 | Akou Kasei Kk | Soybean coagulant |
| JPH02218844A (en) * | 1989-02-21 | 1990-08-31 | Suzuki Motor Co Ltd | Ignition timing alarm device for internal combustion engine |
-
1980
- 1980-07-08 JP JP9220980A patent/JPS5718454A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63237753A (en) * | 1987-03-25 | 1988-10-04 | Akou Kasei Kk | Soybean coagulant |
| JPH02218844A (en) * | 1989-02-21 | 1990-08-31 | Suzuki Motor Co Ltd | Ignition timing alarm device for internal combustion engine |
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