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The CVT's Speed Ratio Control Research When the Vehicle Bending at High Speed

机译：CVT的速比控制研究当车辆高速弯曲时

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摘要

When the speed ratio of the vehicle equipped with CVT changes rapidly, the acceleration of the vehicle will change synchronously, that means to exert an extra force on the driving tires. Using this feature, the desired results can be obtained in certain specific conditions, such as vehicle cornering at high speed. The models of multi DOF vehicle and CVT transmission were established to study the rapid changes in the turning process of the vehicle through the CVT ratio control. This paper introduces a method based on safety factor of CVT speed ratio control strategy. The simulation results show that if the driver fails to effectively reduce vehicle speed during high-speed cornering. As the speed ratio of CVT increasing rapidly, and the backward force can be acquired on the driving wheel, so that the vehicle can keep straight in a short time while reducing vehicle speed. The results of this paper can achieve better control results if the engine fuel injection control is combined.
机译：当配备CVT的车辆的速度比迅速变化时，车辆的加速将同步变化，这意味着在驱动轮胎上发出额外的力。使用该特征，可以在某些特定条件下获得所需的结果，例如高速的车辆转弯。建立了多DOF车辆和CVT传输的模型，以研究通过CVT比控制的车辆转动过程的快速变化。本文介绍了一种基于CVT速率比控制策略安全系数的方法。仿真结果表明，如果驾驶员在高速转弯期间未能有效降低车速。随着CVT的速度比迅速增加，并且可以在驱动轮上获取后向力，使得车辆可以在短时间内保持直线，同时降低车速。如果组合发动机燃料喷射控制，本文的结果可以实现更好的控制结果。

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