Method for determining the control values of a multicylinder int

Details Method for determining the control values of a multicylinder int Method for determining the control values of a multicylinder int

1990-06-12

1991-10-22

Wolfe, Willis R.

Internal-combustion engines

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

123417, 123492, F02P 515

Patent

active

050585509

ABSTRACT:
With regard to the engine control method which determines control variables for the individual cylinders of a multicylinder internal combustion engine independently of one another, this specification discloses improved control method and apparatus whereby the optimum control variables are determined. The control method of a multicylinder internal combustion engine according to this invention includes a step of detecting data representing the operating condition of the engine, a step of storing data, a step of determining a first control variable at a certain time of a certain stroke of each cylinder according to the stored data, and a step of determining a second control variable at a later time in the stroke according to the same stored data. A control apparatus of a multicylinder internal combustion engine according to this invention includes a device for detecting data representing the operating condition of the engine, a memory device for storing data, a device for calculating a first controlled variable at a certain time of a certain stroke of each cylinder according to data in the memory device, and a device for determining a second controlled variable at a later time in said stroke according to the same data in said memory device.

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