Positioning and navigation system and positioning and navigation method of intelligent shopping cart for shopping mall

A smart shopping cart and navigation system technology, applied in the field of smart shopping carts, can solve the problems of high cost, poor positioning and navigation system accuracy, etc.

CN112817313AActive Publication Date: 2021-05-18JILIN UNIV
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
Publication Date
2021-05-18

Smart Images

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Abstract

The invention relates to a positioning and navigation system and a positioning and navigation method of an intelligent shopping cart for a shopping mall. The system comprises the intelligent shopping cart, a positioning module and a main controller, wherein a steering motor, a driving motor, a steering motor controller, a driving motor controller, an ultrasonic radar and a sound warning indicator are mounted on the intelligent shopping cart; and the main controller comprises an image information processor, a starting and ending point input module, a structured map, a path following module and a path planning module, the positioning module adopts a global camera, and Zigbee communication modules are mounted in the main controller, each intelligent shopping cart and each vertical ladder and each escalator in the shopping mall and are used for transmitting and receiving signals. The system adopts a global camera to monitor the intelligent shopping cart on each layer in all directions and accurately confirm the position of the intelligent shopping cart, the positioning and navigation mode is novel, the function of cross-layer work of the intelligent shopping cart is achieved, and the efficient positioning function can be provided in indoor and partial outdoor environments.
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Description

technical field

[0001] The invention relates to the technical field of smart shopping carts, in particular to a positioning and navigation system and a positioning and navigation method for smart shopping carts used in shopping malls. Background technique

[0002] With the development of artificial intelligence technology, more and more smart shopping carts have appeared on the market. The existing smart shopping cart can automatically follow customers to facilitate shopping; it can also guide customers to the location of the products they need to avoid customers getting lost; it can also check the preset shopping list with the purchased products to remind customers, Avoid missed purchases, and you can also checkout automatically.

[0003] The smart shopping cart can successfully complete the above tasks mainly based on the positioning and navigation system. However, most of the positioning and navigation systems of mobile smart shopping carts are based on GPS and Beidou s...

Examples

Embodiment 1

[0045] refer to figure 1 , figure 2 , Figure 4 to Figure 6 , a positioning and navigation system for a smart shopping cart for shopping malls provided by the present invention, including a smart shopping cart, a positioning module 200, and a main controller 100; Arrange identification signs around the shopping cart at positions that are not easy to be blocked. The identification signs are identified in easily distinguishable colors, including green, pink, yellow, etc.; calibration signs are placed at regular intervals on each floor, and the calibration The identification plate adopts a two-dimensional code calibration mark, and the two-dimensional code contains the global coordinate information of the location of the calibration identification plate, and the recommended distance between the calibration identification plates is 1-2m; the main vehicle-mounted equipment 300 includes a vehicle-mounted driving module 310 and a vehicle-mounted perception module 320, the vehicle-...

Embodiment 2

[0055] refer to image 3 , the shopping mall provided by the present invention uses guide and follows the location and navigation method of intelligent shopping cart, comprises the following steps:

[0056] Step S1, arrange the global camera 201 on the roof of each floor of the shopping mall; arrange identification signs around each smart shopping cart at positions that are not easy to be blocked, and the identification signs are identified with easily distinguishable colors; Calibration identification plates are placed at regular intervals, and the calibration identification plates use a two-dimensional code calibration mark, and the two-dimensional code contains the global coordinate information of the position of the calibration identification plate; wherein, the global camera 201 is connected to the main controller 100 , the main controller 100 splicing by the image information processor 101 obtains the overall overhead image of the working scene, and recognizes the calibr...