| 摘要 |
PURPOSE:To aim at enhancing the reliability, control accuracy and responsiveness of the titled device by controlling a basic fuel injection amount with the use of signals from a throttle valve sensor. CONSTITUTION:A micro-processor 27 receives the digital data of an engine speed signal VN and an intake-air volume signal from a throttle valve sensor 8, which are received and beforehand converted by an A/D converter 26, and computes a basic fuel injection amount Tp, Tp=VQ/VN* constant, to which compensation (Tp* Parameter compensating Coefficient) is made in accordance with the other parameters such as, for example, the temperature of cooling water, etc. tp calculate a fuel injection timing that is then set on a fuel injection register 28. Further, when a counter 30 is reset in synchronism with a crank revolutional position signal Sg from a crank angle sensor 25, and intiates to count from zero, an RS flip-flop circuit 31 is set to amplify fuel injection pulses or opening a fuel injector 14, thereby fuel injection is started. |
