Steering system control method and vehicle

By monitoring the driver's status and lane information in real time and adjusting the steering system's handling characteristics, the problem of lag in correcting vehicle deviation in existing technologies has been solved, thereby improving vehicle safety and driver control stability.

CN122443467APending Publication Date: 2026-07-24GREAT WALL MOTOR CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
GREAT WALL MOTOR CO LTD
Filing Date
2026-06-15
Publication Date
2026-07-24

AI Technical Summary

Technical Problem

Existing vehicle steering systems intervene to correct deviations only after the vehicle has deviated from its course, resulting in lag and insufficient safety. They also fail to recognize unstable driving conditions and adjust steering system characteristics in advance.

Method used

By using the Driver Status Monitoring System (DMS) and lane line recognition signals, the system can determine in real time whether the driver is in an unstable driving state and adjust the steering characteristics of the steering system before the vehicle deviates from its course, such as increasing damping and increasing the gear ratio, to guide the driver back to stable driving with physical feel.

Benefits of technology

It enables preventative intervention before the vehicle deviates from its course, eliminating response lag and significantly improving driving safety and stability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application discloses a steering system control method and a vehicle, and relates to the technical field of vehicle control. The method fuses driver state information and steering wheel operation information in real time, identifies whether the driver is in a non-stable control state in advance, and actively adjusts the control characteristics of the steering system when the vehicle has not actually deviated, so that the lag mode of passive deviation correction in the prior art is changed into the feedforward control mode of preventive intervention before deviation, the response lag is fundamentally eliminated, the influence of driver's unconscious steering angle disturbance on the vehicle trajectory is effectively filtered, and the driving safety is significantly improved.
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