Automobile speed measurement method, automobile radar and automobile

A vehicle speed and speed measurement technology, which is applied in vehicle accessories, measuring devices, vehicle components, etc., can solve problems such as troublesome, low efficiency of detecting the current speed of the car, troublesome current speed, etc., and achieve the effect of improving efficiency

Active Publication Date: 2020-08-11
SHENZHEN CHENG TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, in the process of realizing the present invention, the inventor found that the prior art has the following problems: for different manufacturers and different models of cars, the installation positions of OBD on the car are different, causing the operator to find the OBD on the car and It is more troublesome to connect the CAN transmission line to obtain the current speed of the car; moreover, the CAN transmission protocol of the speed information is basically different for different manufacturers and different models of cars, which makes it more troublesome to analyze the CAN transmission protocol to obtain the current speed of the car. Resulting in less efficient detection of the current speed of the car

Method used

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  • Automobile speed measurement method, automobile radar and automobile
  • Automobile speed measurement method, automobile radar and automobile
  • Automobile speed measurement method, automobile radar and automobile

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Embodiment Construction

[0055] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. 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.

[0056]It should be noted that although the functional modules are divided in the schematic diagram of the device, and the logical sequence is shown in the flowchart, in some cases, it can be executed in a different order than the module division in the device or the flowchart in the flowchart. steps shown or described. In addition, the terms...

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Abstract

The embodiment of the invention relates to the technical field of automobile radars, and discloses an automobile speed measurement method, an automobile radar and an automobile. The automobile speed measurement method comprises the steps of detecting a speed measurement target in a preset range, and generating a target list; performing data processing on the target list to obtain at least one speed distribution range corresponding to the speed measurement target; determining an automobile speed distribution range from the at least one speed distribution range, wherein the automobile speed distribution range is at least one of the at least one speed distribution range; and detecting the current speed of the automobile according to the automobile speed distribution range. Through the above mode, the embodiment of the invention can improve the efficiency of automobile speed measurement.

Description

technical field [0001] The invention relates to the technical field of automobile radar, in particular to an automobile speed measuring method, an automobile radar and an automobile. Background technique [0002] With the improvement of vehicle safety technology, automotive radar is widely used in various ground motor vehicles. By obtaining the relative distance between the car and the vehicle in front, the relative speed and the current speed of the car, and sending it to the car control circuit, after intelligent processing and reasonable decision-making, it can realize adaptive cruise control, front collision warning, automatic emergency braking, etc. Advanced driver assistance system functions. At present, automotive radar can only output the relative distance and relative speed between the car and the vehicle in front. The current speed of the car is usually determined by the car's OBD (On-Board Diagnostics, on-board self-diagnostic system) through CAN (Controller Area...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S13/60B60K31/18B60T7/12
CPCG01S13/60B60K31/18B60T7/12
Inventor 陈承文周珂朱涛方勇军朱信鹏
Owner SHENZHEN CHENG TECH CO LTD
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