Rainy day driving safety guarantee system and method for automatic driving vehicle
A safety guarantee and automatic driving technology, applied in the field of automatic driving, can solve the problems of large safety hazards in rainy days, and achieve the effect of ensuring driving safety
Active Publication Date: 2020-04-17
GUANGZHOU SAITE INTELLIGENCE TECH CO LTD
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Problems solved by technology
[0007] In order to overcome the deficiencies of the prior art, one of the purposes of the present invention is to provide a safety assurance system and method for autonomous driving vehicles in rainy weather, which can solve the problem of relatively large safety hazards in rainy days
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[0034] Below, the present invention will be further described in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of not conflicting, the various embodiments described below or the technical features can be combined arbitrarily to form new embodiments. .
[0035] It should be noted that when a component is said to be "fixed" to another component, it can be directly on the other component or there can also be an intervening component. When a component is said to be "connected" to another component, it may be directly connected to the other component or there may be intervening components at the same time. When a component is said to be "set on" another component, it may be set directly on the other component or there may be an intervening component at the same time. The terms "vertical," "horizontal," "left," "right," and similar expressions are used herein for purposes of illustration only.
[0036] Un...
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The invention discloses a rainy day driving safety guarantee method for an automatic driving vehicle. The method comprises the steps that: a camera obtains a real-time image of a windshield, and a light reaction type rainfall sensor collects the rainfall of the windshield and generates sensing rainfall data; a control unit receives the real-time image of the windshield, screens out a raindrop image with the smooth edge, ignores an invalid raindrop image, and analyzes and generates camera shooting rainfall data in real time; the control unit analyzes sensing rainfall data and camera shooting rainfall data to obtain a real-time rainfall grade; and the control unit reminds the corresponding vehicle safety speed according to the real-time rainfall grade. The rainfall grade is recognized through fusion of the camera and the light reaction type rainfall sensor, and the peer-to-peer relationship is established between the camera and the light reaction type rainfall sensor, so that the sensingcapacity of the vehicle is estimated according to the rainfall grade detected by the rainfall sensor in a rainy day environment and thus the maximum driving safety vehicle speed is limited; and the vehicle can accurately recognize obstacles and driving safety is guaranteed.
Description
technical field [0001] The present invention relates to the field of automatic driving, and in particular to a safety guarantee system and method for driving an automatic driving vehicle in rainy weather. Background technique [0002] At present, with the rapid development of society, more and more cars have entered people's daily work and life, and people's demand for cars has also increased, and research on unmanned driving has gradually deepened. [0003] Patent Document 1 (Application No. CN201210427353) discloses a variable speed limit control system and method for highways in rainy weather, including vehicle detectors, rain gauges, variable speed limit signs and overspeed capture systems. The traffic control machine is used to receive and judge the dynamic bottleneck road section according to the traffic flow detected by the vehicle detector and the rainfall measured by the rain gauge, using the quadratic programming algorithm of nonlinear programming and combining the...
Claims
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IPC IPC(8): B60W30/18B60W30/08B60W40/00B60W50/14
CPCB60W30/08B60W30/18B60W40/00B60W50/14
Inventor 李良源赖志林李睿
Owner GUANGZHOU SAITE INTELLIGENCE TECH CO LTD