JPS6419146A - Controller for internal combustion engine - Google Patents
Controller for internal combustion engineInfo
- Publication number
- JPS6419146A JPS6419146A JP17492987A JP17492987A JPS6419146A JP S6419146 A JPS6419146 A JP S6419146A JP 17492987 A JP17492987 A JP 17492987A JP 17492987 A JP17492987 A JP 17492987A JP S6419146 A JPS6419146 A JP S6419146A
- Authority
- JP
- Japan
- Prior art keywords
- pulse
- detected
- cam pulse
- cam
- combustion engine
- 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
Links
Landscapes
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
PURPOSE:To surely provide back-up motion by carrying out required correction when cam pulse omission is detected in the back-up control by cam pulse. CONSTITUTION:In a controller 1 for an internal combustion engine 2 are provided first and second pulse generators 10, 20 coaxially with a drive shaft 3a of a fuel injection pump 3. When a failure of the first pulse generator 10 is detected in a control unit 30, the cycle of cam pulse Pc from the second pulse generator 20 is measured and the reference timing is judged on the basis of the result of measurement. At the same time, when whether or not the cam pulse Pc is omitted is detected and the omission of cam pulse Pc is detected, required correction is carried out to renew correctly data showing a crankshaft angle under control. Thus, even if the cam pulse Pc is omitted in the back-up control by the cam pulse Pc, the internal combustion engine 2 can be normally controlled.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62174929A JP2527971B2 (en) | 1987-07-15 | 1987-07-15 | Control device for internal combustion engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62174929A JP2527971B2 (en) | 1987-07-15 | 1987-07-15 | Control device for internal combustion engine |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6419146A true JPS6419146A (en) | 1989-01-23 |
JP2527971B2 JP2527971B2 (en) | 1996-08-28 |
Family
ID=15987188
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62174929A Expired - Lifetime JP2527971B2 (en) | 1987-07-15 | 1987-07-15 | Control device for internal combustion engine |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2527971B2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0624723A1 (en) * | 1993-05-08 | 1994-11-17 | Lucas Industries Public Limited Company | Signal processing circuit for use in a control system of an internal combustion engine |
US6932033B2 (en) | 2003-07-10 | 2005-08-23 | Borgwarner Inc. | System and method for improving VCT closed-loop response at low cam torque frequency |
-
1987
- 1987-07-15 JP JP62174929A patent/JP2527971B2/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0624723A1 (en) * | 1993-05-08 | 1994-11-17 | Lucas Industries Public Limited Company | Signal processing circuit for use in a control system of an internal combustion engine |
US5499534A (en) * | 1993-05-08 | 1996-03-19 | Lucas Industries Public Limited Company | Signal processing circuit for engine control system |
US6932033B2 (en) | 2003-07-10 | 2005-08-23 | Borgwarner Inc. | System and method for improving VCT closed-loop response at low cam torque frequency |
Also Published As
Publication number | Publication date |
---|---|
JP2527971B2 (en) | 1996-08-28 |
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