Moving vehicle determining method and system based on fuzzy algorithm
A technology of fuzzy algorithm and determination method, which is applied in vehicle parts, transportation and packaging, and devices using optical methods, etc., can solve the problems of reduced illumination, waste of light source detection range, and shortages.
Active Publication Date: 2019-09-20
CHONGQING JIAOTONG UNIVERSITY
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Problems solved by technology
However, in the event of a sudden increase in the traffic ahead, the illumination will immediately decrease when the vehicle is turning, and there is still a problem of high cost
Moreover, in the prior art, only the detection of the front of the vehicle is considered, and the detection of the lanes on both sides of the current vehicle is not involved, so that it is impossible to determine the appropriate laser emission range for the lane where the vehicle is located, which may easily lead to waste of light sources or insufficient detection range
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[0047] The implementation mode of the present invention is illustrated by specific specific examples below, and those who are familiar with this technology can easily understand other advantages and effects of the present invention from the contents disclosed in this description. Obviously, the described embodiments are a part of the present invention. , but not all examples. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0048] At present, light sensors are mostly used in China to detect vehicles ahead. Such as figure 1 As shown in , a light sensor is installed on the rearview mirror of car A. The light sensor can detect the light intensity from car B, and then judge whether car B will meet with the car within a certain distance. If so, car A will turn on the voice reminder and automatically switch the high bea...
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An embodiment of the invention discloses a moving vehicle determining method and a moving vehicle determining system based on a fuzzy algorithm. The moving vehicle determining method comprises the steps of: firstly, setting a group of infrared ranging laser at the rear of a vehicle, and realizing road width determination by means of the laser emitted on a vertical plane; secondly, setting a second group of infrared ranging laser in the middle upper part of a headstock engine hood, emitting laser beams horizontally toward a direction in front of the vehicle to perform front target range finding, and combining the first group of infrared ranging laser device to realize front target detection range definition; and thirdly, designing a front target contour detection algorithm based on a fuzzy identification principle, and realizing automatic identification of a front target (namely, vehicle / non-vehicle, moving vehicle / stationary vehicle) according to relative displacement of the front target and a second group of laser beams of the test vehicle.
Description
technical field [0001] The embodiments of the present invention relate to the technical field of vehicle safety driving, and in particular to a method and system for judging a moving vehicle based on a fuzzy algorithm. Background technique [0002] In recent years, people-oriented transportation has become the trend of transportation development. The reason is that transportation facilities should not only meet the needs of mobility and feasibility, but also meet the needs of personal safety. The high beam is a car lighting facility, its light is emitted in parallel, concentrated and bright. When driving at night on highways, in the suburbs, or on roads with poor lighting conditions, drivers often turn on high beams for a long time in order to bring themselves a better view and a safer psychological feeling. However, if the high beam is turned on at will under inappropriate circumstances, it will cause the oncoming drivers or pedestrians to be blinded instantly, so that the...
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Patent Timeline
Login to View More IPC IPC(8): G01B11/24G01J1/00G01P3/36B60Q1/14
CPCB60Q1/143B60Q2300/41G01B11/24G01J1/00G01P3/36
Inventor 张雷张瑞
Owner CHONGQING JIAOTONG UNIVERSITY