System and method for controlling ignition timing of an internal

Details System and method for controlling ignition timing of an internal System and method for controlling ignition timing of an internal

1985-06-27

1987-04-28

Wolfe, Jr., Willis R.

Internal-combustion engines

Combustion chamber means combined with air-fuel mixture...

123435, F02P 514

Patent

active

046605355

ABSTRACT:
A system and method for controlling an ignition timing of an internal combustion engine. In the system, an accumulated value of a deviation or a value corelative to the accumulated value is calculated as an error amount whenever the deviation between a crank angle value at a time when pressure in a combustion chamber has reached its maximum and a target value thereof, whether the error amount exceeds a predetermined allowable limit value is determined whether the error amount is calculated, a corrective amount of ignition timing is calculated when the error amount exceeds the predetermined allowable limit value. Consequently, the correction of ignition timing can be carried out in a quick response during the ransient driving state of engine and engine drivability can be improved.

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