The invention relates to the technical field of vehicle obstacle avoidance anti-collision early warning, and discloses an automobile anti-collision early warning system based on fuzzy logic and machine vision, and the system comprises a face recognition module which is used for extracting the age, gender and fatigue degree of a driver for calculating the braking response time required by the driver; the driving information acquisition module is used for detecting an abnormal driving behavior of a driver; the invention also discloses an automobile anti-collision early warning method based on fuzzy logic and machine vision, and the method comprises the following steps: S1, collecting the speed and acceleration of a running vehicle and the positions of surrounding obstacles; braking response time required by a driver is calculated by utilizing fuzzy logic in combination with influence factors in four aspects of age, gender, fatigue degree and driving behaviors of the driver, an intelligent fuzzy control model for the braking response time and an implementation scheme are provided, and the model can obtain a relatively accurate safe braking distance of a running automobile; and a basis is provided for follow-up automobile active obstacle avoidance route planning.
本发明涉及车辆避障防撞预警技术领域,公开了基于模糊逻辑和机器视觉的汽车防撞预警系统,包括:人脸识别模块,其用于提取计算驾驶员所需制动反应时间的驾驶员年龄、性别和疲劳程度;驾驶信息采集模块,其用于检测驾驶员的异常驾驶行为;车间信息采集模块,还公开了基于模糊逻辑和机器视觉的汽车防撞预警方法,包括以下步骤:S1、收集行驶车辆的速度、加速度和周围障碍物的位置。通过利用模糊逻辑结合驾驶员年龄、性别、疲劳程度和驾驶行为等4个方面影响因子计算得出驾驶员所需的制动反应时间,提供一种制动反应时间智能模糊控制模型及实现方案,该模型能得出较准确的行驶汽车安全制动距离,为后续汽车主动避障规划路线提供依据。
Automobile anti-collision early warning system based on fuzzy logic and machine vision
基于模糊逻辑和机器视觉的汽车防撞预警系统
2024-10-25
Patent
Electronic Resource
Chinese
IPC: | B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion / G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung / G06N COMPUTER SYSTEMS BASED ON SPECIFIC COMPUTATIONAL MODELS , Rechnersysteme, basierend auf spezifischen Rechenmodellen / G06V |
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