利用优化技术提高汽车发动机综合性能的探讨

回顾了航空发动机和汽车发动机领域的优化技术的研究进展和应用现状，总结了当前发动机的优化工作主要在发动机结构、材料、燃料及燃烧、排放以及多学科优化等几个方面，从多目标优化、不确定性优化，多学科优化和优化算法等四方面分析了发动机多学科多目标优化技术的研究内容，并探讨了以节能和环保为主要目标的未来汽车发动机综合优化技术的几个研究重点。

An Investigation on Improving the Overall Performance of Automotive Engine Using Optimization Techniques

The researches and applications of optimization techniques for automotive and aircraft engine are reviewed. It is summarized that current engine optimization mainly focuses on structure, material, fuel and combustion, emission, as well as multidiscipline etc. The research content of multi-objective and multidisciplinary optimization techniques for engine are analyzed from four aspects, namely multi-objective optimization, uncertainty optimization, multidisciplinary optimization and optimization algorithms. The research emphases of integrated optimization techniques for future automotive engine are also discussed with energy-saving and environmental protection as major objectives.