Ignition advance Angle MAP is obtained by calculating ignition model. The MAP is optimized by on line tune up system in the bench test.
根据点火模型确定点火提前角MAP图，并在台架实验中采用在线修改系统进行优化。
2
Finally, bench test was toke out on CNG engine, the influence of ignition advance Angle on dynamic and combustion characteristic was studied.
最后进行了天然气发动机台架实验，研究了点火提前角对发动机燃烧特性、排放性能的影响。
3
The utility model provides an arbitrary Angle arbitrarily bisector, belonging to the field of a teaching appliance, a drawing tool, a lining tool for a bench worker, a machine tool accessory, etc.