电喷摩托车的动态工况波形测试(1)

Waveform Test of EFI Motorcycle Under Dynamic Condition(1)

电喷摩托车的喷油脉宽并非恒定不变,本文测试的只是原地运转无负载情况下的优客摩托车喷油脉宽,实际工作时,喷油脉宽还受发动机温度、进气温度、发动机节气门开度和转速(负载变化)、蓄电池电压等多方面因素的影响。在闭环控制状态下,除了这些因素外,氧传感器的反馈电压信号也是影响喷油脉宽控制的因素。同样,点火提前角和点火线圈一次侧导通角的控制也受以上因素的影响。

The fuel injection pulse width of EFI motorcycle is not constant. This paper introduces the test on the fuel injection pulse width of motorcycle under unloaded and non-moving condition. In the real operating condition, the fuel injection pulse width is also affected by the engine temperature, intake air temperature, the opening of throttle valve and speed of engine. The feedback voltage signals also have impacts on the fuel injection pulse width under the close-loop control. And the ignition advance angle and the angle of flow of the ignition coil are also affected by above-mentioned factors.