An elevated identification method and identification system
An identification method and identification system technology, applied in the field of elevated identification method and identification system, can solve the problems of poor versatility and low reliability
Active Publication Date: 2022-03-08
SHANGHAI QINGGAN INTELLIGENT TECH CO LTD
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- Application Information
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Problems solved by technology
[0006] In view of the shortcomings of the prior art described above, the purpose of the present invention is to provide an elevated identification method and identification system for solving the problems of poor versatility and low reliability in the prior art
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Embodiment Construction
[0053] Embodiments of the present invention are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that, in the case of no conflict, the following embodiments and features in the embodiments can be combined with each other.
[0054]It should be noted that the diagrams provided in the following embodiments are only schematically illustrating the basic ideas of the present invention, and only the components related to the present invention are shown in the diagrams rather than the number, shape and shape of the compon...
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The present invention provides an elevated identification method and identification system, including: detecting the distance between the vehicle and the elevated entrance when it is determined that there is an elevated entrance in front, obtaining the initial position of the vehicle when the distance is the first preset distance, obtaining the vehicle speed at the initial position of the vehicle, and performing Timing; detect the current position of the vehicle in real time until the distance between the current position of the vehicle and the initial position of the vehicle reaches the second preset distance, and obtain the travel time; obtain the vehicle speed at the second preset distance position, according to the vehicle speed at the second preset distance position and The actual driving distance of the current vehicle is obtained by the travel time, and the vehicle height is calculated. When the vehicle height falls within the preset range, the vehicle has been on the elevated road. The elevated identification method and identification system provided by the present invention directly use the original vehicle machine without additional gravity sensors and air pressure sensors, and calculate the current height of the vehicle by obtaining the actual driving distance of the vehicle and the vehicle driving distance on the electronic map to judge the vehicle. Whether it has been elevated.
Description
technical field [0001] The invention relates to the technical field of automobiles, in particular to an elevated identification method and identification system. Background technique [0002] With the rapid development of cities and the continuous increase in the number of cars, many cities in China have adopted the method of building elevated roads to improve transportation efficiency. However, when the car passes through the viaduct area, because the GPS latitude and longitude coordinates of the upper and lower layers of the viaduct are the same, the navigation software cannot tell whether the vehicle is driving on the viaduct or under the bridge, resulting in frequent navigation errors. For example, when the vehicle is navigating When passing through the elevated ramp, the vehicle does not enter the ramp, but the navigation software thinks that the vehicle has entered the elevated ramp, allowing the user to drive straight along the elevated, which makes the navigation exp...
Claims
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IPC IPC(8): G08G1/01G08G1/04G08G1/052G06V20/54G01C21/34G01C23/00
CPCG08G1/0133G08G1/04G08G1/052G01C21/3415G01C23/00G06V20/56
Inventor 马资源
Owner SHANGHAI QINGGAN INTELLIGENT TECH CO LTD