| 摘要 |
<p>An altitude decision system and engine operating parameter control system using the same for accurately detecting and correcting for altitude uses three signals, viz, the signal from an engine revolution number sensor (52), the signal from a throttle sensor (18) for detecting the angle of opening of a throttle valve (5), and a fundamental fuel injection pulse width signal which is computed by engine operational parameter-computer (51) from inputted signals from a mass air flow sensor (3) and the revolution number detection sensor (52). Having accurately derived the altitude, the fuel injection pulse rate (61), the intake air flow (62) and the ignition timing (63) are corrected. <IMAGE></p> |
