| 摘要 |
In a control system for electrically controlling rotation speed of an engine having a throttle valve and a fuel injection control apparatus to control fuel injection timing and duration in accordance with opening angle of the throttle valve, the control system comprises an integration circuit for integrating an output signal of the fuel injection control apparatus to generate an integrated signal indicative of the fuel injection timing and duration, a setting circuit for setting an instant value of the integrated signal as a command signal indicative of a desired set speed, a comparator coupled with the integration circuit and the setting circuit for comparing the integrated signal with the command signal to produce an output signal therefrom, and a servomotor for controlling the opening angle of the throttle valve in response to the output signal from the comparator to operate the engine at the desired set speed.
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