减少破坏性提前点火现象的发生。
经销商点火提前手臂被碾碎从一个坚实的一块黄铜。
The distributor spark advance arm was milled from a solid piece of brass.
采用自适应燃料点火器可根据发动机使用燃料的不同自动改变点火提前角。
After a self adaptive ignition unit is applied, the ignition advance Angle of the engine is automatically changed according to different fuels.
黄铜经销商住房已经完成，并点火提前手臂上看到现在附有两个小螺丝。
The brass distributor housing was completed and the spark advance arm seen above is now attached with two small screws.
本文研究了发动机压缩比和点火提前角对液化石油气发动机性能的影响。
The research discussed the influence of compression ratio and ignition advanced angle to performance of LPG engine.
在此基础上，进行了点火提前角和燃空当量比对氢内燃机燃烧过程的影响研究，为合理组织氢内燃机的燃烧过程研究提供了依据。
On this basis it makes some study on the combustion process of hydrogen-fueled IC engine by changing the ignition advance angle and equivalence ratio of the model.
按参考点的不同，提出了两种确定点火提前角的方法，并分析了两种方法产生差别的原因。
Two methods of determining ignition advance Angle are proposed according to different reference point, and the reason for this difference of the two methods are analyzed.
喷油脉宽和点火提前角的网络输出最大误差小于1%，平均误差小于0。
The maximum network output error of fuel injection pulse width and ignition advance Angle is less than 1%, with an average error of less than 0.
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。
Finally, bench test was toke out on CNG engine, the influence of ignition advance Angle on dynamic and combustion characteristic was studied.
试验结果表明提高发动机压缩比和选择最佳点火提前角后，发动机性能有一定提高。
The result show that performance of engine will be improve by increasing compression ratio of engine and using best ignition advanced angle.
指出调整点火提前角、提高压缩比以及适当预热混合气等，可以提高掺烧甲醇时燃油的经济性。
It is shown that with adjusted ignition Angle of advance, larger compression ratio and appropriate preheating of the mixture, better fuel economy can be achieved.
在此基础上设计了点火提前角控制器的软件和硬件，做了高压缩比的LPG发动机试验。
The hardware and software of ignition advanced angle controller are designed in this base. LPG engine with high compression ratio had been tested.
本文介绍了磁电机点火系统的点火提前角测量原理。
The survey principle of a magneto ignition system ignition advance Angle was introduced.
其次，分析了电控系统的控制策略，包括空燃比控制和点火提前角控制。
Secondly, the control strategy of Electronic control System is analyzed, including fuel-air ratio control and ignition advance Angle control.
结果表明点火提前角的自动调节对怠速稳定性的控制效果明显，CMAC控制器能有效地用于发动机怠速控制。
The results showed that the adjustment by spark advance angle on the idling speed was notable, thus, CMAC controller is an effective approach for controlling engine idling speed.
研究了电控LPG发动机的催化转化器安装位置、点火提前角和怠速转速对催化转化器快速起燃的影响。
The effects of converter position, ignition timing and idle speed on catalytic converter light-off behavior were studied on an electronically controlled LPG injection engine.
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。
Ignition advance Angle MAP is obtained by calculating ignition model. The MAP is optimized by on line tune up system in the bench test.
本文采用一类非线性自回归模型(NARX)，描述怠速过程中怠速供油量、点火提前角与曲轴转速之间的关系。
This paper presents a nonlinear autoregressive exogenous (NARX) model to approximate dynamics of crankshaft speed with the mass of the idle feeding fuel and the spark advance.
主要采取了提高压缩比、改变点火提前角及采用进气脉冲增压技术。
The major technologies used include increasing compression ratio, changing spark advance Angle and using intake pulse turbo-charging.
对点火提前角的控制主要是开环控制，控制数据由试验得到，对爆震现象采取了闭环控制。
The control of ignition advance Angle is mostly open-loop control and the control data is obtained from experiment. Close-loop control method is applied to avoid engine knock.
本文对点火提前角和空燃比对发动机的性能影响作了较为深入的理论研究。
Influence of engine performance with ignition advance and air-fuel ratio was discussed and studied in detail.
介绍了一种以单片机为主要部件的汽油发动机点火提前角测量和控制系统。
This paper presents a measuring and controlling system of ignition advance for gasoline engines, it is composed mainly of a monolithic processor.
合理的点火提前角也有利于稀限拓宽；
The suitable ignition advance angle is conducive to broadening lean burn limit.
在发动机控制系统中，电控点火装置对发动机的点火控制包括点火提前角控制、通电时间控制和爆震控制3个方面。
In the control system of engine, the control of electronic control ignition equipment to the engine ignition consists of the following 3 parts: advanced ignition Angle, conduction time and detonation.
该点火系统实现数字式离心点火提前，结构简单，可以满足各种发动机对点火系统的要求。
The ignition system is digital controlled in centrifugal spark advance, simple in construction and is able to satisfy the demand of all kinds of engine 's ignition system.
研制了点火提前角实验系统和点火提前角控制器。
The experimental system and controller of ignition advanced Angle are developed.
最后针对WF4C 27 F - E汽油机进行了标定试验，获取了充量系数和点火提前角MAP图。
Finally the calibration on a WF4C27F-E gasoline engine is performed, and the MAP graphs of the volumetric efficiency and the spark advance Angle are obtained.
最后针对WF4C 27 F - E汽油机进行了标定试验，获取了充量系数和点火提前角MAP图。
Finally the calibration on a WF4C27F-E gasoline engine is performed, and the MAP graphs of the volumetric efficiency and the spark advance Angle are obtained.
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