一种基于简化车辆动力学模型的扭矩矢量预测方法

By simplifying the vehicle dynamics model and real-time data processing, the adaptability problem of the torque vector algorithm under different operating conditions was solved, achieving more stable and efficient torque vector control, and enhancing the performance of vehicle dynamic limits and passive driving assistance systems.

CN120396977BActive Publication Date: 2026-07-17CHENGDU PUWEI ELECTRONIC TECHNOLOGY CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
CHENGDU PUWEI ELECTRONIC TECHNOLOGY CO LTD
Filing Date
2025-03-12
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing torque vectoring algorithms exhibit open-loop control characteristics in vehicle dynamics control, making them unable to adapt to different operating conditions. This results in a narrow window for passive driving assistance systems, and the large AI model algorithms are resource-intensive and unstable, making it difficult to provide reliable torque vectoring control under complex driving conditions.

Method used

A torque vector prediction method based on a simplified vehicle dynamics model is adopted. By acquiring real-time vehicle data, a simplified dynamics model is constructed. Combined with suspension sensor and wheel speed data, the vehicle path is estimated. Combined with the driver's input prediction vector, the torque vector output is calculated, thereby enhancing the vehicle's dynamic adaptability and the functions of the passive driving assistance system.

Benefits of technology

It improves the vehicle's dynamic limits under a wide range of operating conditions, enhances the capabilities of passive driving assistance systems, reduces tuning costs, improves safety and controllability, adapts to different vehicle structures and external conditions, and reduces the resource consumption of large AI models.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN120396977B_ABST
    Figure CN120396977B_ABST
Patent Text Reader

Abstract

本发明公开一种基于简化车辆动力学模型的扭矩矢量预测方法,包括步骤:S10,在车辆总线中获取车辆实时的车身姿态和轮速数据;利用复合传感器获取车辆实时的运动状态和指向、以及实时的外部加速度;在车辆动力学模型的基础上,得到车辆简化动力学模型,推算车辆既有路径;S20,获取转向输入数据和踏板输入数据,利用驾驶输入预测模型获得驾驶员预测矢量;S30,将推算车辆既有路径与驾驶员预测矢量作差值运算后,利用扭矩矢量计算模型得到扭矩矢量输出结果。本发明可以在相对宽泛工况下使用,对有不同动力学特性的车辆适应性高,且能够增强车辆被动驾驶辅助系统功能(ABS,TC)的,或直接对其进行内部整合的预测式扭矩矢量算法。
Need to check novelty before this filing date? Find Prior Art