汽车电子差速锁动力学模型研究  

Research of dynamics model For Vehicle Electronic Differential

作　　者：谢昭莉[1] 刘亮[1] 金鑫[1] 蒋涛[1] 

机构地区：[1]重庆大学自动化学院,重庆400044

出　　处：《机械设计与制造》2008年第6期65-67,共3页Machinery Design & Manufacture

基　　金：重庆市应用基础项目研究资助项目(7994-1);重庆大学骨干教师资助(2003A31)

摘　　要：军用越野及载重汽车,为保证战时后勤需要,对汽车通过性能提出了较高的要求。汽车电子差速锁是改善车辆通过性能的有效方法,其根据各驱动轮的附着状况,对差速锁适时锁止与分离,充分发挥地面附着力,可有效提高汽车的通过性能。针对汽车电子差速锁,按照发动机、离合器、变速器、差速锁、轮胎进行了传动系结构分析,建立了整车动力学模型。仿真分析表明:电子差速锁系统能显著提高汽车特殊路面的驱动防滑及越野能力,这与车辆实际情况一致,从而验证了仿真模型的正确性和有效性,为实物仿真研究奠定了一定的理论基础。To ensure the wartime logistical needs, cross-country and the truck of military is requested a higher degree of performance. Electronic differential lock, which is based on the appendiculate conditions of the driving wheel, lock and unlock at appropriate time, give the vehicle full play to the ground friction and improve the vehicle performance through. It analyses the transmission system structure for the automotive electronic differential lock, and it establishes the vehicle dynamics model according to the engine, clutch, transmission, differential lock, the tires. The results show that the electronic differential lock system can significantly enhance the vehicle acceleration slip regulation and cross-country capability on the special road, thus it certificates the accuracy and effectiveness of the simulation model, and it establishes theoretical foundation for the simulation of the physical.

关 键 词：电子差速锁 动力学模型 仿真 

分 类 号：TH12[机械工程—机械设计及理论] U46[机械工程—车辆工程]