A mathematic model of basic ignition advance angel is built according to double - district burn model and the turbulent flame behavior propagation model . through the emulational calculation , we can get the initial ignition advance angel map graph of the motorcycle ’ s efi system , and the results also showed well consistent with the stand experimental results which adopted the domestic 125ml motorcycle gasoline engine 在结合汽油机双区燃烧模型和湍流火焰传播模型的基础上,建立了基本点火提前角数学模型,运用在国产125ml摩托车发动机上,仿真得出此发动机电控喷射系统的初始点火map图。
The system obviously features measuring ignition advance angles and engine working process at same time . while the effect of ignition advance angles on working process could not be reflected directly for lots of types of motor - engine ever before . this paper reports the implementation of software and hardware of the system 本系统最大的特色在于将摩托车发动机点火提前角的测量与发动机工作过程的测量统一起来，而此前，对于相当多的机型，根本无法直接反映点火提前角对发动机工作过程的影响。
