点火提前角

增大点火提前角可使发动机的动力性能得到改善，但发动机NOx，总碳氢THC，CO及CO2的排放污染明显减少。

When increasing the spark advance angle , the engine performance is improved , but the exhaust emission of NO_ ( x ), THC , CO and CO_2 are decreased .

能够根据实际调节的理想点火提前角生成点火提前角曲线，对ECU内部原有的点火提前角曲线进行修改，使ECU能够根据实际情况控制发动机理想的点火提前角。

The system can make the spark advance angle curve according to the ideal and practical adjusted spark advance angle . It also can amend the spark advance angle curve in the ECU which makes engine have ideal spark advance angle according to practice .

本文利用该系统对该发动机进行部分工况的匹配标定，得出喷油MAP图和点火提前角MAP图。

Base on such system , the fuel injection MAP and advanced ignition angle are achieved by matching test .

天使（英文）基于RBF优化控制氢燃料发动机点火提前角

Optimize Advanced Ignition Angel of Hydrogen-fueled Engines Based on RBF Neutral Network

电控LPG发动机点火提前角标定与优化的研究

Calibration and Optimization of Spark Timing for a LPG Fuelled Engine

点火提前角的调整有利于LPG的燃烧，但使NOx排放升高。

It is useful to adjust ignition timing , but NOx emission increase .

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 .

基于CMAC的点火提前角控制怠速稳定性的研究

Study on Idling Speed Stability by Spark Advance Angle Controlling Based on CMAC

本文以发动机的准维燃烧模型为依据，以一条实验法则为理论基础，介绍了汽油机最佳点火提前角初始MAP图的确定和计算方法。

This paper introduces the ascertaining and calculation ways of gasoline engine optimal preignition angle ′ s original MAP according to engine 's standard dimension combustion model and an experimental principle .

CDI点火提前角曲线形成原理

The Formation Principle of CDI Ignition Advance Angle Curve

LPG发动机首次循环可靠起动的最佳点火提前角为上前10°CA。

There is an optimal spark advance for the successful cold start of the LPG engine which is 10 ° CA BTDC .

汽车ESA点火提前角数据生成方法的研究

The Study of the Method Creating Car ESA Data

传统的控制方法为MAP查询控制法来控制相关的控制量，例如点火提前角和喷气脉宽等。

The traditional control methods are map enquirying methods by which it can control some variant related to performance , such as the ignition advanced angle , the air-fuel ratio , and so on .

对于气体燃料发动机的点火提前角控制和闭合角控制，则暂时还采用发动机上现有的汽油机控制单元ECU来控制。

The control of the engine ignition timing and temporarily closed angle is also dominated by current ECU of gasoline engine .

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 .

试验结果表明，该模型能预测H2燃料发动机最佳点火提前角，并可以大大减轻标定试验工作量。

The result indicates , the model can accurately forecast the ignition timing of the hydrogen-fueled engine , and may lighten the standard experiment work greatly .

试验结果还表明，进行EGR时的燃空当量比和点火提前角等参数也需要进行相应的调整和优化。

It also shows the F / A equivalent ratio and ignition advanced angle should be adjusted to optimum when test with EGR .

建立了模糊神经网络控制系统对点火提前角进行优化控制，建立了一个改进的模糊神经网络系统代替传统的试验方法来求解氢发动机的最佳点火提前角（MAP）。

Fuzzy-neural network ( FNN ) control system was set up to control optimizing ignition timing , and a improved FNN system was adopted as substitutes for traditional ignition timing map gotten by experiments in for optimizing ignition timing .

研究了喷射脉宽、点火提前角、环境温度、起动电压对LPG发动机首循环冷起动性能的影响。

Effects of injection pulse width , ignition timing , ambient temperature and start voltage on cold start characterstic of the first cycle in the electronic controlled LPG engine were studied .

本文就加氢后的汽油机过量空气系数、点火提前角的变化、燃烧过程的循环压力变动、发动机的经济性及HC和CO排放问题进行了研究。

Some changes of the excessive air ratio and ignition advanced timing after adding hydrogen , combustion pressure variation and some problems on economic performance and hydrocarbon and carbon monoxide emission are investigated in this paper .

测量了发动机的转速、扭矩、点火提前角、燃料消耗量及排气温度、CO与HC排放等参数。

The speed , torque , power , specific oil consumption , spark timing , exhaust gas temperature and CO and HC emission concentrations of this engine were measured respectively at idle , constant speed and full load running condition .

同时对稀薄燃烧、增压中冷发动机做了ECUI/O标定、怠速标定、冷启动标定、对电控系统进行全工况内点火提前角的标定、内空燃比的标定、发动机增压压力标定。

Then basic calibration such as ECU I / O calibration , idle speed calibration , cold start calibration , ignition advance calibration , air fuel ratio calibration , boost pressure calibration are conducted .

汽油车改装成汽油/LPG双燃料车后，由于汽油和LPG的物化性质和燃烧特性有较大的差别，因而使用同一个点火提前角是不合理的。

It is unreasonable that the car runs at the same ignition timing , when it was converted into gasoline / LPG dual fuel vehicle , because the physical , chemical and combustion characteristics of gasoline and LPG are different .

采用试验调试、理论分析和仿真软件相结合的方法，对燃用CNG时发动机的点火提前角及燃气供给系统各控制参数加以调节和优化，以提高两用燃料发动机的动力性能。

By adjusting control parameters and using fluid simulation software , in order to improve the performance of the bi-fuel engine , this study tests and optimizes the ignition advance angle and the fuel supply system .

利用发动机标定系统和燃烧分析系统，监测发动机的燃烧过程，通过优化点火提前角、空燃比、EGR率等参数，研究稀释燃烧参数的变化的规律。

Calibration system and combustion analysis system were used to monitor the engine combustion process , studied the diluted combustion law via adjusting the advanced ignition angle , A / F ratio and EGR ratio .

基于RBF神经网络构建氢（H2）燃料发动机最佳点火提前角优化模型，对点火提前角进行优化控制，改善H2燃料发动机动力性、经济性以及排放性能。

Constructs the ignition timing optimization model of the hydrogen-fueled engine based on the RBF neural network . The optimized control to the advanced ignition angel improves the hydrogen-fueled engine power , economy of fuel and characteristic of exhaust gas .

通过对起动过程的瞬时转速、气缸压力及HC排放的实时测量与分析，研究了喷射脉宽、点火提前角对电控喷射LPG发动机起动首次着火特性的影响，实现了基于循环控制的着火循环。

Based on real-time measure and analysis of transient speeds , cylinder pressure and HC emission , the effect of injection pulse width 、 ignition advance degree on the first firing characteristic of SI EFI LPG fueled engine is investigated .

ECU通过检测霍尔传感器的上止点参考信号，利用软件延时方式实现点火提前角的调整，并以排放、动力性为优化目标进行标定。

The calibration and optimization of spark timing are very important in alternative fuel engines on R & D. An ECU detects TDC reference signal of Hall sensor and the software delay is used for adjusting spark timing .

用Matlab编制了多目标、多参数非线性约束优化算法程序，通过调用仿真计算模型，改变输入参数如压缩比、空燃比、点火提前角和气门正时等的输入数值，实现了联合仿真优化。

In order to satisfy combined simulation and optimization for the engine , the multi-objective and multi-parameter nonlinear restriction programming was performed using the Matlab code that transfered the import parameters such as the structural , injection , valve timing , combustion timing and other parameters to the simulation model .

对发动机的控制策略进行研究，首次将小脑模型神经网络（CMAC）用于电控LPG发动机的优化控制，研究分析其用于空燃比控制和点火提前角控制的基本方法。

The control strategy of engine has been studied . The CMAC ( Cerebellar Model Articulation Controller ) is used on electronic controlled LPG fuelled engine 's optimizing , it is involved that the air fuel ratio and ignition timing .