| 摘要 |
A control system for an internal combustion engine is provided which is capable of controlling ignition timing, fuel injection timing and a fuel injection amount in a stable manner at any time even in an engine, or in an operating range or in an operating condition thereof, in which there are great variations in the number of revolutions per minute of the engine. The control system includes a reference signal generator (3) for generating a reference signal representative of a reference position of the rotation of the engine, a fixed angle signal generator (4) for generating a fixed angle signal which has a resolution higher than that of the reference signal and which is representative of a rotational position of the engine, and an internal combustion engine control unit (1a) with an arithmetic processing section (2) operable to receive the reference signal and the fixed angle signal and control ignition timing and fuel injection timing based on a count value of the fixed angle signal with the reference signal taken as a reference, the internal combustion engine control unit being also operable to control a fuel injection amount by a time measurement.
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