摘要响应面法是以统计学和数学为核心，通过近似方程模拟的优化方法。在运用该方 法的基础上来获取输入因素值的近似曲线从而取得最佳响应值，也就是获取最优化方 案。本论文是通过响应面法来分析系统喷油参数：喷油压力、喷油正时、主预喷间隔 角三要素，对柴油机本身影响，如排放物和机能。并且通过对 3D 视角曲面的分析得 到建议的优化和设计方案。本文第一章对该课题的研究缘由作扼要概述，举例：环境 污染问题和柴油机性能问题。在论文第二章内，则是详细地介绍了响应面法。包括响 应面法的起源、在世界范围内的应用、存在的开发潜力以及在本次实验内的应用。第 三章重点内容是具体描述了本次研究的实验设计思路。从 BBD 设计思路到本次实验的 因素水平等，均有详细介绍。第四章是本次论文的重点。其中，对燃油消耗率、Soot、 NOx 进行了建模，并进行了分析。第五章是进行最优预测和小结。本文作为以响应面 法为优化方法，以对柴油机电控喷油参数进行优化研究和设计为目的的新案例，为广 大研究人员提供了适量的参考。同时，也是对响应面法在柴油机领域应用发展进行一 个探索。80798

毕业论文关键词：柴油机，响应面法，喷油参数，优化设计

Abstract Response surface methodology is based on statistics and mathematics at the core, by approximate optimization equation modeling。 Factors to obtain input values approximate curve by using this method to get the best response, which is to obtain an optimal solution。 This paper is to analyze the fuel injection system parameters via response surface method: injection pressure, injection timing when the main pre-injection interval angle of three factors, the overall impact Diesel Engine, such as emissions and performance。 And get advice optimization and design through 3D surface analysis perspective。 The first chapter of the research background as a brief overview, such as: environmental pollution and engine performance issues。 In the second chapter there is a detailed description of the response surface method。 Response surface methodology including the origin, used in the world, the development potential and the application in the presence of this experiment。 The third chapter describes the contents of specific experimental design of this study。 BBD design ideas from this factor to the level of experiments, etc。, are described in detail。 The fourth chapter is the focus of this paper。 Among them, the fuel consumption rate, Soot, NOx modeled and analyzed。 The fifth chapter is the optimal prediction and summary。 This article is a response surface method optimization method to electronically controlled fuel injection diesel engine research and design parameters are optimized for the purpose of the new case for the majority of researchers with the right amount of information。 At the same time, but also on the response surface method application development in the field of exploration of a diesel engine。

Keywords: Diesel，Response surface method，Injection parameters,，Optimization design，Emissions。

目 录

第一章 绪论 6

1。1 课题背景 6

1。2 柴油机发展面临的问题 7

1。2。1 环境问题 7

1。2。2 柴油机性能问题 8

第二章 响应面分析法介绍 9

2。1 响应面法（RSM）简介 9

2。2 响应面法实际应用范围 10

2。3 响应面法的应用前景