| 摘要 |
PURPOSE:To aim at improvement in the acceleration performance at low engine speed bounds, by feeding an increased fuel quantity in a way of synchronizing a control pulse signal, in the case where engine speed is below the specified speed and throttle valve opening speed is beyond the specified value. CONSTITUTION:The opening of a throttle valve at the time of both top dead points this time and the last time is found with steps 2 and 3. That whether it is below the specified engine speed or not is judged with a step 4. If it is of low engine speed, valve opening speed DELTAthetaA of the throttle valve is found with an equation thetaA-1-thetaA with a step 6, judging the acceleration. When it is detected to be at quick acceleration in time of low engine speed with these steps 4 and 6, an accelerating increment pulse commensurate to the throttle valve opening speed is outputted with steps 8-10 by synchronizing a control pulse. Hereat, the synchronous pulse is of constant frequency one that does not synchronize a top dead point signal. With this, acceleration efficiency at low engine speed bounds is well improved. |
