A driving assistance method and system applied to overtaking conditions

Abstract

The invention relates to a driving assistant method and system applicable to overtaking by another driveway. The method herein includes the steps of acquiring main vehicle state information, ambient vehicle state information and road information; judging whether a current road is a two-way two-lane road, and entering next step if yes; judging whether a main vehicle enters an opposite lane, and entering next step if yes; judging whether the main vehicle can finish overtaking; if yes, providing assistant control to assist a driver of the main vehicle in overtaking; if not, providing collision avoidance control, and sending a warning to the driver of the main vehicle or providing active braking; judging whether the main vehicle returns to the original lane. The method and system herein can provide assistance for a driver during the process of overtaking starting and overtaking completion. Compared with the prior art, the method and system herein provide better safety for a vehicle to makeovertaking by another driveway on a two-way two-lane road and allow a driver to feel less tension and fatigue.

Description

technical field [0001] The invention belongs to the technical field of automobiles, and in particular relates to a driving assistance method and system applied to overtaking working conditions. Background technique [0002] With the rapid development of the automobile industry, the number of car ownership has increased sharply, and the number of motor vehicle drivers has also shown a rapid growth trend. According to statistics, the number of car drivers in the country has exceeded 300 million, but the driving level of drivers is uneven. The number of drivers under one year exceeds 30 million. The rapid increase in the number of motor vehicles and drivers brings convenience to people's production and life, but also brings safety hazards that cannot be ignored. The driving assistance system is used to assist the driver to drive the vehicle, to let the driver perceive possible dangers in advance, and effectively increase the comfort and safety of driving. [0003] Overtaking ...

AI Technical Summary

Problems solved by technology

This method can provide the driver with an overtaking warning from the beginning of overtaking to the end of overtaking. The real-time performance is good and the driving safety is improved. However, the warning prompt to the driver cannot guide the driver to overtake and cannot assist driving. If the driver makes an accurate judgment on the feasibility of overtaking, it will mislead the driver, even divert the driver's attention, and may also cause improper early warning.

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