单缸电力约束活塞发动机性能仿真研究

【作者】 缑亚楠；

【导师】 张铁柱；

【作者基本信息】 青岛大学 ， 车辆工程， 2008， 硕士

【摘要】 论文的研究对象是单缸电力约束活塞发动机ECPE(Electric Power ConfinedPiston Engine,又称为内燃式约束活塞直线发电机)。它是将传统的内燃机—发电机组合系统和电力自由活塞发动机集为一体,集以上两项技术的优点,直接利用传统活塞式内燃机活塞的直线往复运动,将燃料燃烧产生的热能转换成电能并输出,形成的一种新型动力装置。论文首先介绍了单缸电力约束活塞发动机产生的背景,总结了其发展和研究现状;介绍了单缸电力约束活塞发动机的结构特点及工作原理,通过对单缸电力约束活塞发动机结构和工作机理的深入研究,建立了系统的运动学和动力学模型,并列出了系统结构的模型参数;根据电力约束活塞发动机中电机部分的参数和已知条件建立了电力约束活塞发动机中直线电机的有限元模型;利用解析法求解出在负载情况下电力约束活塞发动机的电磁力。在此基础上,利用AVL boost对课题组研制的单缸电力约束活塞发动机的热力学过程进行了模拟,得到燃烧室内燃气压力曲线;利用MATLAB软件编写了仿真程序,对其动力性、经济性、运转平稳性等工作性能进行了仿真研究,为单缸电力约束活塞发动机的优化改进和应用推广提供了参考依据。更多还原

【Abstract】 The study object of this paper is Single-cylinder Electric Power Confined Piston Engine (ECPE). Traditional engine-electric generator system and electric power free piston engine are integrated here. At the same time, the advantages of the two technologies are assimilated. As a new power system, it can converse the heat energy released during the burning into electrical energy directly according to the reciprocal motion of engine piston.The paper introduces the background of the Single-cylinder Electric Power Confined Piston Engine, summarizes the status quo of its research and development. The working principle and structure of Single-cylinder Electric Power Confined Piston Engine are also introduced. With a deep research of working principle and structure of ECPE, dynamics equation is created, the model parameters of the system structure is also listed. According to the parameters and known conditions of the linear generator, the paper creates the finite element model of the linear generator which is the part of the Electric Power Confined Piston Engine, solves the electromagnetic force of the Electric Power Confined Piston Engine in the condition of load characteristic by analytical method.Based on above, the paper simulates the thermal dynamic process of the Electric Power Confined Piston Engine which is developed by our subject team with AVL boost and gets the gas pressure curve in the combustor. With MATLAB, the paper creates a simulated programme, simulates the power efficiency, economic efficiency and running stability. The simulation result can be used as a reference basis of product optimization and promotion.更多还原