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  • 陈宏,刘振明,欧阳光耀.柴油机液压调速器动力学建模研究[J].柴油机,2012,34(4):10-13, 27.    [点击复制]
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柴油机液压调速器动力学建模研究
陈宏,刘振明,欧阳光耀
0
海军驻洛阳四O七厂军事代表室,河南洛阳471003;海军工程大学船舶与动力学院,湖北武汉430033
摘要:以计算多体系统动力学理论为指导,建立了柴油机液压调速系统的耦合动力学分析模型。分析并正确添加了构件间的约束关系、模型的初始条件以及边界条件,并以动力连杆为例构建其刚柔混合动力学模型;在此基础上模拟调速器的工作过程并对其动态特性进行分析。结果证明了该模型及求解过程的可行性,为调速系统的性能和结构优化奠定了一定基础。文中的耦合建模方法和求解过程也可以应用于其它液机耦合设备。
关键词:  柴油机  调速器  液压调速系统  多体动力学
Dynamic Research on Diesel’s Hydraulic Speed Governor by Dynamic Simulation Model
Chen Hong,Liu Zhenming,Ouyang Guangyao
Naval Deputy Office of 40;Ship and Power Engineering College, Naval University of Engineering, Hubei Wuhan 430033
Abstract:With the reference of multi-body system dynamics, the coupling dynamic simulation model of diesel’s hydraulic speed governor was built. Analysis was carried out to correctly input the constraint relationship between the components, starting condition and boundary condition. Dynamic connecting rod was chosen was an example to establish its mixed rigid and flexible dynamic model. Based on it, the working process of the speed governor was simulated and its dynamic characteristics were studied. The results show that this model is feasible and reliable, and sets the foundations for the optimization of speed governing system on its performance and construction. The coupling modeling and its calculation process is also applicable in other hydraulic coupling equipments.
Key words:  diesel engine  speed governor  hydraulic speed governing system  multi-body dynamics〖FL