Vehicle adaptive cruise deceleration control method, electronic device and storage medium

By real-time monitoring of the electric motor braking ratio and total deceleration, the deceleration range of the adaptive cruise control system is optimized, solving the problem of low energy recovery efficiency in intelligent driving mode and achieving efficient energy recovery under different vehicle conditions.

CN122402256APending Publication Date: 2026-07-17TMI EP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
TMI EP CO LTD
Filing Date
2026-06-16
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing adaptive cruise control systems have low energy recovery efficiency during braking, making them unsuitable for intelligent driving conditions. Furthermore, existing technical solutions optimize motor braking in manual driving mode but cannot effectively improve energy recovery efficiency in intelligent driving mode.

Method used

By monitoring the proportion of motor braking and total deceleration in real time, a safe deceleration range is determined, and closed-loop optimization is performed to increase the proportion of motor braking and reduce the intervention of hydraulic braking, thereby optimizing energy recovery efficiency.

Benefits of technology

It improves energy recovery efficiency, is applicable to various vehicle models and system architectures, requires no modification to the underlying control architecture, reduces development costs and implementation difficulty, and ensures efficient energy recovery of vehicles under different conditions.

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Abstract

本发明涉及一种车辆自适应巡航减速度控制方法、电子设备及存储介质,包括实时监测电机制动占比及车辆原始需求减速度,根据原始需求减速度确定安全区间,然后对电机制动占比及其变化率进行评估,当占比小于阈值,则降低减速度请求并提升电机制动占比。本发明通过电机制动占比的反馈量逆向优化ACC的顶层请求,通用性强,且基于车辆原有控制信号,大大降低了开发成本;另外,通过实时根据实际的优化执行效果持续、自动对车辆减速度及电机制动占比进行微调,不仅保证了优化调整的准确性,还可以适应不同车辆状态、路况、部件衰减等因素带来的差异,使车辆可以在当前使用条件下不断趋近于能量回收的最高效状态。
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