键合图在内燃机工作过程数学模拟中的应用  

Application of Bond Graph in a Mathematic Simulation model for IC Engine Working Process

作　　者：严运兵[1] 王仲范[1] 杜传进[1] 胡晓林[1] 

机构地区：[1]武汉理工大学汽车工程学院,湖北武汉430070

出　　处：《武汉理工大学学报（信息与管理工程版）》2004年第1期146-150,共5页Journal of Wuhan University of Technology：Information & Management Engineering

基　　金：教育部重点科研资助项目(02175).

摘　　要：简述了功率键合图和伪键合图的理论和方法,建立了内燃机工作过程的键合图模型,导出了内燃机系统的状态方程;并进行了系统的动力学仿真,获得了系统内部各部分状态变量的变化规律及关系,较全面地揭示了系统的热力学性能和动态特性。研究结果为内燃机性能预测提供了可靠依据。The theory and modeling method of power bond graphs and pseudo-bond graphs are discussed, on principle of which, a simulating model describing the whole working process of IC engine is set up. The normal state equation is deduced and dynamic simulation is carried out, according to which, the internal changing law and relationship of the system for the state variables are developed. Therefore, the thermodynamic properties and dynamic features of this system are revealed comprehensively. The research results provide reliable evidence for the performance estimation of IC engine.

关 键 词：键合图 伪键合图 内燃机 工作过程 仿真 

分 类 号：TK401[动力工程及工程热物理—动力机械及工程]