A kind of vehicle active anti-collision automatic lane change control system and its working method

Abstract

The invention discloses an automobile active anti-collision automatic lane change control system and an operating method thereof. The system comprises a real-time driving safety state judging module and an automatic lane change control module which are connected with each other; the real-time driving safety state judging module comprises a critical braking distance calculation module and a safety state judging module unit; the automatic lane change control module comprises a lateral dynamics and CarSim vehicle dynamics model establishing module, an expected yaw velocity acquiring module and a design terminal sliding formwork lane change controller module. The method includes two steps of driving safety state judgment and automatic lane change control. The system and method adopt pedestrians in front as the study objects of active anti-collision, whether driving is in the dangerous state or not can be judged by calculating the critical braking distance and corresponded automatic control is performed, the smoothness and operating stability during lane change are guaranteed, and safety of the pedestrians in front is guaranteed.

Description

technical field [0001] The invention belongs to the field of automobile intelligent control, relates to a vehicle automatic lane change control technology, in particular to an automobile active anti-collision automatic lane change control system and a working method thereof. Background technique [0002] With the emphasis on road traffic safety in various countries and the continuous development of intelligent transportation systems, the active collision avoidance system of automobiles has become a research hotspot at home and abroad. In the existing active collision avoidance system of automobiles, the vehicle in front is mainly considered, and traffic vulnerable groups such as pedestrians outside the vehicle are not considered. When running into an emergency, the driver is usually used to operating the brakes to stop the vehicle so as to avoid obstacles instead of steering to avoid obstacles. In response to these two problems, the establishment of a pedestrian safety-base...

AI Technical Summary

Problems solved by technology

In the existing active collision avoidance system of automobiles, the main consideration is the vehicle in front, and it does not consider traffic vulnerable groups such as pedestrians outside the vehicle

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