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当前位置: 首页 > 文章 > 多组离合器参与的换挡过程混合建模与仿真 农业机械学报 2007,38 (3) 1-6
Position: Home > Articles > Hybrid Modeling and Simulation of Shifting Process Involving Multi-group Clutches Transactions of the Chinese Society for Agricultural Machinery 2007,38 (3) 1-6

多组离合器参与的换挡过程混合建模与仿真

作  者：
张迎军;周志立;张明柱
单  位：
河南科技大学机电工程学院;河南科技大学车辆与动力工程学院;武汉理工大学汽车工程学院
关键词：
自动变速器;换挡;混合建模;仿真;键合图;有限状态机
摘  要：
在分析多组离合器参与的自动变速器换挡过程特点的基础上,指出该换挡过程是由连续系统与离散系统组成的混合系统,进而提出基于键合图理论的连续系统和基于有限状态机的离散系统的换挡过程混合建模方法。在Matlab/Simulink和Matlab/Stateflow平台上建立了包含多种状态的东方红1302R型橡胶履带拖拉机液压机械无级变速器的换挡过程仿真模型,仿真结果表明该建模方法能很好地模拟自动变速器换挡过程中离合器的动态行为,并通过仿真分析了其对换挡品质的影响。
译  名：
Hybrid Modeling and Simulation of Shifting Process Involving Multi-group Clutches
作  者：
Zhang Yingjun1 Zhou Zhili2 Zhang Mingzhu2(1.Wuhan University of Technology 2.He'nan University of Science and Technology)
关键词：
Automatic transmission,Shifting,Hybrid modeling,Simulation,Bond graph,Finite state machine
摘  要：
The characteristics of automatic transmission shifting process involving multi-group clutches were studied and it was pointed out that the shifting process was a hybrid system including a continuous system and a discrete system.A hybrid modeling method,based on the continuous system under bond graph theory and the discrete system under finite state machine(FSM),was developed.A model for shifting process of hydro-mechanical transmission(HMT)equipped in the Dongfanghong 1302R rubber crawler tractor was established based on the platforms of Matlab/Simulink and Matlab/Stateflow.The simulation results showed that this hybrid system was rather effective for simulating a dynamic behavior of clutches in shifting process and its influence on the shift quality was analyzed through simulation,which served as an effective tool for the design of clutch control strategy in the shifting process.

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