JPS5458111A - Engine controller - Google Patents

Engine controller

Info

Publication number
JPS5458111A
JPS5458111A JP12596977A JP12596977A JPS5458111A JP S5458111 A JPS5458111 A JP S5458111A JP 12596977 A JP12596977 A JP 12596977A JP 12596977 A JP12596977 A JP 12596977A JP S5458111 A JPS5458111 A JP S5458111A
Authority
JP
Japan
Prior art keywords
division points
data
numbers
divided
rotational frequency
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
JP12596977A
Other languages
Japanese (ja)
Other versions
JPS6338547B2 (en
Inventor
Masao Takato
Masumi Imai
Yoshitaka Shioiri
Hiroatsu Tokuda
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP12596977A priority Critical patent/JPS5458111A/en
Publication of JPS5458111A publication Critical patent/JPS5458111A/en
Publication of JPS6338547B2 publication Critical patent/JPS6338547B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Output Control And Ontrol Of Special Type Engine (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Control By Computers (AREA)
  • Electrical Control Of Ignition Timing (AREA)

Abstract

PURPOSE: To make it pissible to greatly reduce the data storage capacity of an engine controller having a searching unit which stores information on control characteristics concerning various kinds of input information necessary for controlling and seaches for the former information.
CONSTITUTION: The rotational frequency x of engine is entered into the controller through an RPM register. A reference fuel injection time y is determined from the rotational frequency x and a value obtained by A/D-converting the flow rate of air applied from an air flow sensor. These data are divided to m1 and m2. The interval between them is divided to 2n1m2 and 2n2m2. The digital values at the intersecions of the division points of the data and the values at the division points are stored. Division points, which sandwich input data, are dtermined. The figure numbers nli, n2j corresponding to the intervals Zn1i, Zn2i between the division points are detemined. The figures and displaced dipending on the fiure numbers to perform interpolation
COPYRIGHT: (C)1979,JPO&Japio
JP12596977A 1977-10-19 1977-10-19 Engine controller Granted JPS5458111A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12596977A JPS5458111A (en) 1977-10-19 1977-10-19 Engine controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12596977A JPS5458111A (en) 1977-10-19 1977-10-19 Engine controller

Publications (2)

Publication Number Publication Date
JPS5458111A true JPS5458111A (en) 1979-05-10
JPS6338547B2 JPS6338547B2 (en) 1988-08-01

Family

ID=14923455

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12596977A Granted JPS5458111A (en) 1977-10-19 1977-10-19 Engine controller

Country Status (1)

Country Link
JP (1) JPS5458111A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07293361A (en) * 1985-01-26 1995-11-07 Robert Bosch Gmbh Fuel tank exhaust system for internal combustion engine

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5372931A (en) * 1976-12-10 1978-06-28 Nippon Soken Inc Internal combustion engine electronic controller
JPS53137344A (en) * 1977-04-14 1978-11-30 Nippon Soken Inc Internal combustion engine ignition time adjustor

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5372931A (en) * 1976-12-10 1978-06-28 Nippon Soken Inc Internal combustion engine electronic controller
JPS53137344A (en) * 1977-04-14 1978-11-30 Nippon Soken Inc Internal combustion engine ignition time adjustor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07293361A (en) * 1985-01-26 1995-11-07 Robert Bosch Gmbh Fuel tank exhaust system for internal combustion engine
JPH1068359A (en) * 1985-01-26 1998-03-10 Robert Bosch Gmbh Fuel tank exhaust system for internal combustion engine

Also Published As

Publication number Publication date
JPS6338547B2 (en) 1988-08-01

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