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An automatic charging system and method based on reversing images

A reversing image and automatic charging technology, which is applied to electric vehicle charging technology, charging stations, electric vehicles, etc., can solve the problems of high cost, achieve high positioning accuracy, save human resources, and improve reliability

Active Publication Date: 2022-03-29
GUOCHUANG INNOVATION CENTER OF MOBILE ENERGY (JIANGSU) CO.,LTD.
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide an automatic charging method to realize unmanned charging, high-precision positioning, and low-cost charging, so as to solve the problem of high cost in the existing automatic charging methods

Method used

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  • An automatic charging system and method based on reversing images
  • An automatic charging system and method based on reversing images
  • An automatic charging system and method based on reversing images

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A automatic charging method based on a reverse image, characterized in that the steps of:

[0028] Step 1, target recognition:

[0029] Such as figure 1 As shown, set color positioning point A on the charging pile. When the vehicle is parking, the reversing image takes a photo containing the positioning point A. Target identification uses color-based recognition algorithm Meanshift algorithm (prior art), the specific steps are as follows:

[0030] (1) Select a search box W in the color distribution map;

[0031] (2) Calculate the zero-order matrix M 00 = Σσi (x, y); where

[0032] (3) Calculate the first order matrix M 01 = Σσxi (x, y) and m 10 = Σσyi (x, y);

[0033] (4) Calculate the size of W;

[0034] (5) Ask the centroid coordinates of the search box, namely the centroid coordinates of color positioning point A.

[0035] Step 2, the target positioning:

[0036] The three-dimensional coordinate M1 of the positioning point A is obtained by using the single-graphic positi...

Embodiment 2

[0044] An automatic charging system based on reversing images, including:

[0045] The image acquisition unit is acquired using the camera of the reversing image to collect the image of the color positioning point set on the charging pile; the target identification module, calculates the catholic coordinates of the color positioning point based on color-based recognition algorithm;

[0046] Target positioning module, uses the three-dimensional coordinates of color positioning points using the single-graphic positioning principle of the reversing image;

[0047] The coordinate conversion module converts the camera coordinate system into a world coordinate system with a color positioning point as the coordinate origin, and obtains the three-dimensional coordinate of the camera core relative to the color positioning point;

[0048] The coordinate superposition module is superimposed on the three-dimensional coordinates of the camera core relative to the color positioning point, and t...

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Abstract

The invention discloses an automatic charging system and method based on a reversing image, belonging to the technical field of new energy vehicles. The automatic charging system includes an image acquisition unit, a target identification module, a target positioning module, a coordinate transformation module, a coordinate superposition module and a control unit. The present invention adopts an unmanned charging mode, which saves human resources and ensures charging efficiency compared with the traditional manual charging method. The invention has high positioning precision and improves the reliability of automatic charging. The invention adopts the reversing image to carry out target identification and target positioning, which greatly reduces the cost.

Description

Technical field [0001] The present invention relates to an automatic charging system and method belonging to the field of new energy vehicle technology. Background technique [0002] Automobile charging is the hot spot in the new energy automotive industry research, and no one is charging is the direction of future development. Most of the existing charging piles are manually charged, and the charging efficiency is reduced, and the human is wasted. Some charging piles use unmanned charging methods, but traditional binocular positioning methods need to be used in two cameras, although the precision is high, but the cost of two cameras is expensive. With the development of the new energy vehicle industry, use the machine instead of manual, fully automatic, high-precision positioning and low cost charging system to become the industry's pursuit. Inventive content [0003] It is an object of the present invention to provide an automatic charging method, achieving unmanned charging, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60L53/35B60L53/37B60L53/16B60L53/65B60W30/06
CPCB60L53/35B60L53/37B60L53/16B60L53/65B60W30/06Y02T10/70Y02T10/7072Y02T90/12Y02T90/14
Inventor 黄一凡许波曹云鹏张育铭
Owner GUOCHUANG INNOVATION CENTER OF MOBILE ENERGY (JIANGSU) CO.,LTD.
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