초록 ▼

A control device for an internal combustion engine having a cylinder, a spark plug arranged in a cylinder head, and a fuel injector for injecting fuel directly into the cylinder, the fuel injector injecting a part of an amount of fuel to be injected, during an intake stroke, and injecting a remainin

A control device for an internal combustion engine having a cylinder, a spark plug arranged in a cylinder head, and a fuel injector for injecting fuel directly into the cylinder, the fuel injector injecting a part of an amount of fuel to be injected, during an intake stroke, and injecting a remaining part of the amount of fuel to be injected, during a compression stroke, the control device comprising a detecting unit for successively detecting an engine running state, a calculating unit for successively calculating a set of a plurality of engine control values for controlling the engine, the set of a plurality of engine control values being calculated on the basis of one engine running state detected by the detecting unit, and an engine control unit for controlling the engine by using in one combustion cycle the set of a plurality of engine control values calculated by the calculating unit.

대표청구항 ▼

A control device for an internal combustion engine having a cylinder, a spark plug arranged in a cylinder head, and a fuel injector for injecting fuel directly into the cylinder, said fuel injector injecting a part of an amount of fuel to be injected during an intake stroke, and injecting a remainin

A control device for an internal combustion engine having a cylinder, a spark plug arranged in a cylinder head, and a fuel injector for injecting fuel directly into the cylinder, said fuel injector injecting a part of an amount of fuel to be injected during an intake stroke, and injecting a remaining part of said amount of fuel to be injected during a compression stroke, said control device comprising: detecting means for successively detecting an engine running state calculating means for successively calculating a set of a plurality of engine control values for controlling the engine, said set of a plurality of engine control values being calculated on the basis of one engine running state detected by said detecting means and including an amount of fuel to be injected during the intake stroke, a fuel injection timing during the intake stroke, an amount of fuel to be injected during the compression stroke, a fuel injection timing during the compression stroke, and an ignition timing; engine control means for controlling the engine by in one combustion cycle using said set of a plurality of engine control values calculated by said calculating means, said engine control means controlling the fuel injector and the spark plug on the basis of said set of a plurality of engine control values calculated by said calculating means; and first memory means, second memory means, third memory mans, and fourth memory means, said set of a plurality of engine control values calculated by said calculating means being successively written to said first memory means, the amount of fuel to be injected during the intake stroke and the fuel injection timing during the intake stroke of one set of a plurality of engine control values memorized in said first memory means being written to said second memory means, the amount of fuel to be injected during the compression stroke, the fuel injection timing during the compression stroke, and the ignition timing of said one set of a plurality of engine control values memorized in said first memory means being written to said third memory means, the amount of fuel to be injected during the compression stroke, the fuel injection timing during the compression stroke, and the ignition timing, which were memorized in said third memory means last time, being written to said fourth memory means before said amount of fuel to be injected during the compression stroke, said fuel injection timing during the compression stroke, and said ignition timing of said one set of a plurality of engine control values memorized in said first memory means are written to said third memory means at this time, said engine control means controlling the fuel injector on the basis of said amount of fuel to be injected during the intake stroke and fuel injection timing during the intake stroke memorized in said second memory means, and said amount of fuel to be injected during the compression stroke and fuel injection timing during the compression stroke memorized in said fourth memory means, and controlling the spark plug on the basis of said ignition timing memorized in said fourth memory means.