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首页> 外文期刊>SAE International Journal of Vehicle Dynamics, Stability, and NVH >Predictive Shift Strategy of Dual-Clutch Transmission for Driving Safety on the Curve Road Combined with an Electronic Map
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Predictive Shift Strategy of Dual-Clutch Transmission for Driving Safety on the Curve Road Combined with an Electronic Map

机译：结合电子地图的双离合变速器在弯道路面上的行车安全预测换挡策略

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摘要

In order to improve the safety of vehicles driving in mountainous areas and other curve roads, a DCT shift strategy for different drivers is designed in this article. First, the test road is digitized and an electronic map model is built based on particle filtering (PF) to achieve the optimal prediction of road conditions. Then, a driver's intention recognition model is constructed based on principle component analysis (PCA) and Kohonen neural network (KohonenNN) to accommodate different driving intentions, and the appropriate downshift schedules are designed for different driver's intentions. In addition, we propose the concept of the curve safety factor, and the current safety level is determined by vehicle speed and distance. By combining the earlier discussed concepts, the predictive curve shift strategy is presented. To determine the appropriate downshift schedule and make full use of the auxiliary engine brake to improve the vehicle's braking efficiency, the strategy utilizes the driver's intention as well as the vehicle's current safety level. The simulation and real vehicle test results show that the predictive curve shift strategy can effectively reduce the braking distance and time compared with the traditional one.
机译：为了提高汽车驾驶的安全性在山区和其他曲线道路、DCT转变策略,不同的驱动程序设计在这篇文章中。数字化和电子地图模型构建基于粒子滤波(PF)来实现的最优预测道路条件。驾驶员意图识别模型构建了基于主成分分析(PCA)和Kohonen神经网络(KohonenNN)适应不同的驾驶意图,适当调低速档安排设计不同的驱动程序的意图。提出了曲线安全系数的概念,和当前的安全级别是由车辆速度和距离。早些时候的概念,讨论了预测曲线提出了转变策略。适当的调低速档时间表和充分利用辅助发动机制动的改善车辆的制动效率的策略利用驾驶员的意图以及车辆当前的安全水平。和实车试验结果表明,可以有效地预测曲线转变策略减少制动距离和时间相比与传统的一个。

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