自由活塞式内燃发电机动态仿真与特性分析  

Dynamic Simulation and Characteristic of Free Piston Generator

作　　者：肖翀[1] 左正兴[1] 

机构地区：[1]北京理工大学机械与车辆工程学院,北京100081

出　　处：《农业机械学报》2009年第2期46-49,共4页Transactions of the Chinese Society for Agricultural Machinery

基　　金：北京理工大学研究生创新基金资助项目(AA200803)

摘　　要：根据自由活塞式内燃发电机的运行原理,建立了基于动力学和热力学方程的自由活塞式内燃发电机动力学模型。通过对动力学模型的数值求解,获得了系统的动态特性,并进一步分析了质量、输入能量、点火位置、负载等对系统性能的影响,同时对系统频率特性进行了研究。研究结果表明系统为自激系统,通过输入参数的合理控制,可实现系统稳定频率下的运行。A dynamic model of a free piston generator （FPG） was developed considering the operation principle of FPG based on dynamics and thermodynamics equations. Then the dynamics characteristic of FPG has been achieved through the numerical solution of the dynamic model. Furthermore the influence of the input parameter of FPG system characteristics and the frequency characteristic were discussed. The results showed that FPG is a self-exciting system and stable performance could be achieved by appropriate control.

关 键 词：自由活塞 内燃机 直线电机 动态特性 

分 类 号：TK441[动力工程及工程热物理—动力机械及工程]