CN112801241A - System and method for realizing intelligent shopping cart indoor accurate positioning based on electronic price tags - Google Patents
System and method for realizing intelligent shopping cart indoor accurate positioning based on electronic price tags Download PDFInfo
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- G—PHYSICS
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- G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
- G06K17/0022—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisions for transferring data to distant stations, e.g. from a sensing device
- G06K17/0029—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisions for transferring data to distant stations, e.g. from a sensing device the arrangement being specially adapted for wireless interrogation of grouped or bundled articles tagged with wireless record carriers
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- G01—MEASURING; TESTING
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Abstract
A system for realizing accurate positioning in an intelligent shopping cart room based on an electronic price tag comprises an electronic price tag RFID radio frequency signal receiver, a shopping cart system server and an electronic price tag system server; by accessing a shopping cart system server and an electronic price tag system server; the positioning method comprises the following steps: 1) configuring parameters of an electronic price tag system; 2) after receiving the information transmitted by the wireless AP equipment, displaying the required information; 3) calculating the average value of the acquired RFID radio frequency signal intensity of the electronic price tag; 4) refreshing the RFID radio frequency signal intensity of the electronic price tag in real time, secondarily screening and storing; 5) recording, comparing and analyzing the information collected by the timer, starting positioning and broadcasting positioning information after reaching the set parameter value; 6) finishing accurate positioning or rough positioning; 7) when the RFID radio frequency signal of the electronic price tag is changed or reduced, an exit mechanism is started to realize accurate positioning; the method has the characteristics of low cost, convenience in implementation and accurate positioning.
Description
Technical Field
The invention belongs to the technical field of commercial hyperpurchased goods, and particularly relates to a system and a method for realizing indoor accurate positioning of an intelligent shopping cart based on an electronic price tag.
Background
At present, the common indoor positioning modes are more, and the short-distance positioning mainly comprises WLAN, UWB, Bluetooth, ultrasonic wave and the like. The UWB technology can be applied to positioning, tracking and navigation of indoor stationary or moving objects and people, and can provide very accurate positioning precision. But the cost is expensive and the network deployment is complex. The WLAN positioning technology is a convenient data transmission system, and uses radio frequency technology and electromagnetic waves to perform communication connection in the air, but it is difficult to achieve accurate indoor positioning. The Bluetooth terminal side positioning is composed of terminal equipment and Bluetooth Beacon, the Bluetooth Beacon is deployed in an area needing positioning, generally at least 3 Bluetooth Beacon beacons need to be laid, the positioning algorithm requires that RSSI values of at least three points are known to accurately calculate positioning, but in practical application, Bluetooth signals are fluctuated and have uncertainty.
The invention mainly adopts an electronic price tag RFID automatic identification technology, automatically identifies a target object through a radio frequency signal and obtains related data, and realizes accurate indoor positioning through analysis by an intelligent shopping cart system RFID optimization algorithm.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide the system and the method for realizing the accurate positioning in the intelligent shopping cart room based on the electronic price tag, and the system and the method have the characteristics of low cost, convenience in implementation, unified management and accurate positioning.
In order to achieve the purpose, the invention adopts the technical scheme that:
a system for realizing accurate positioning in an intelligent shopping cart room based on an electronic price tag comprises an electronic price tag 1, wherein the electronic price tag 1 is connected with a wireless AP device 2 through a wireless signal; the wireless AP equipment 2 is connected with an Alice cloud server 4 through a wireless repeater 3; the Ali cloud server 4 is respectively connected with the server cluster 5, the electronic price tag server 6, the ERP and the POS system 7; the server cluster 5 is connected with an electronic price tag database server 8, an electronic price tag container server 9, an intelligent shopping cart system server 10 and an interface server 11; the interface server 11 and the intelligent shopping cart system server 10 are both in wireless connection with the electronic price tag RFID radio frequency signal receiver 12 through an Aliyun server; the electronic price tag RFID radio frequency signal receiver 12 is also connected to a map server 13.
A cushion price tag firewall is arranged between the wireless repeater 3 and the Alice cloud server; an electronic price tag firewall is arranged between the server cluster 5 and the Ali cloud server, between the electronic price tag server 6 and between the ERP and the POS system 7; an electronic price tag firewall is arranged between the interface server and the Alice cloud server; an electronic price tag firewall is arranged between the intelligent shopping cart system server 10 and the electronic price tag RFID radio frequency signal receiver 12; an electronic price tag firewall is arranged between the electronic price tag RFID radio frequency signal receiver 12 and the map server.
And the electronic price tag RFID radio frequency signal receiver is arranged on the intelligent shopping cart body.
A system for realizing accurate positioning in an intelligent shopping cart room based on an electronic price tag comprises an electronic price tag RFID radio frequency signal receiver arranged on an intelligent shopping cart system, and is embedded in an intelligent shopping cart body in a physical mode; the shopping cart system server and the electronic price tag system server are arranged on the Ali cloud server; accessing a shopping cart system server and an electronic price tag system server through a locally deployed proxy server;
the electronic price tag server peripheral also comprises a wireless repeater and an electronic price tag wireless AP device; the wireless repeater is connected with the electronic price tag wireless AP equipment through a network cable, and then broadcasts wireless signals.
The RFID radio frequency signal receiver of the electronic price tag on the shopping cart is used for detecting and receiving the RFID radio frequency signal broadcasted by the electronic price tag, intelligently monitors through an algorithm, carries out redundant processing on signal data and transmits effective data to the shopping cart system.
The method for realizing the accurate positioning of the intelligent shopping cart indoor accurate positioning system based on the electronic price tag is used for indoor positioning by using the electronic price tag RFID communication and the intelligent shopping cart optimization algorithm, and comprises the following steps:
step one, configuring parameters of an electronic price tag system in an Ali cloud server 4, writing an electronic price tag ID code in the electronic price tag system, recording the electronic price tag system through a background, and writing required information in an ERP/POS system; the information comprises commodity names, commodity prices and commodity bar codes;
step two, calling an electronic price tag server, an electronic price tag cloud database server, an electronic price tag container server, ERP and POS system equipment through an electronic price tag data callback service by an Ali cloud server 4, enabling the electronic price tag server, the ERP and the POS system to be intercommunicated, confirming the consistency of the electronic price tag data and the input of the electronic price tag ID, carrying out electronic price tag ID information encryption data transmission through a wireless repeater 3, carrying out radio frequency signal data broadcasting through a wireless AP (access point) device 2, displaying the electronic price tag equipment on site at the moment, and displaying required information after receiving information transmitted by the wireless AP device 2 through an electronic price tag RFID (radio frequency signal receiver);
the intelligent shopping cart system starts a Bluetooth detection algorithm to check the strength of the RFID radio frequency signal of the electronic price tag in the indoor space;
step three, configuring and acquiring average intensity in a Bluetooth detection algorithm of the intelligent shopping cart system, namely after the shopping cart system detects the set wireless AP signal intensity, carrying out average calculation on the RFID radio frequency signal intensity of the electronic price tag 1 acquired by the shopping cart system, wherein the detected RFID radio frequency signal intensity can be set through the electronic price tag system;
step four, refreshing the strength of the electronic price tag RFID radio frequency signal detected by the electronic price tag RFID radio frequency signal receiver 12 of the intelligent shopping cart system in real time so as to ensure that the strength of the obtained electronic price tag RFID radio frequency signal is effective; filtering invalid electronic price tag RFID radio frequency signals through an array algorithm, and performing optimized secondary screening and storage on the valid electronic price tag RFID radio frequency signals;
recording, comparing and analyzing the information acquired by the timer through the strength of the RFID radio frequency signal of the electronic price tag and the ID of the electronic price tag device detected by the intelligent shopping cart system, starting a positioning service and broadcasting the positioning information if the information reaches the parameter value set by the Ali cloud server;
after the accurate positioning or the rough positioning is finished, an electronic price tag RFID radio frequency signal receiver in the intelligent shopping cart system carries out data acquisition on the electronic price tag RFID radio frequency signal in the current space, and the electronic price tag RFID radio frequency signal is analyzed through an array algorithm, and at the moment, the retrieval, refreshing and recording processes are still executed;
and step seven, when the intensity of the RFID radio frequency signals of the electronic price tags detected by the intelligent shopping cart system is changed or reduced, starting an exit mechanism, and performing algorithm adaptation on the intensity and the number of the RFID radio frequency signals of the electronic price tags in the Ali cloud server, so that the accurate indoor positioning of the intelligent shopping cart system can be realized.
The invention has the beneficial effects that:
due to the adoption of an electronic price tag RFID radio frequency signal algorithm and an intelligent shopping cart system detection algorithm and the combination of the characteristics of the electronic price tag, the intelligent shopping cart has the advantages of capability of realizing indoor accurate positioning and low cost;
because the RFID radio frequency signal characteristic and the fixed characteristic of the electronic price tag are adopted, the method has the advantages of simple algorithm implementation, low complexity of program design and high running speed; the dynamic environment has strong adaptability.
The invention discloses a system and a method for realizing accurate indoor positioning of an intelligent shopping cart based on an electronic price tag, and relates to a method for realizing accurate indoor positioning through the electronic price tag and the intelligent shopping cart.
Drawings
FIG. 1 is a schematic block diagram of the system of the present invention.
FIG. 2 is a flow chart of the present invention for achieving accurate positioning of an intelligent shopping cart and an electronic price tag.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
A system for realizing accurate positioning in an intelligent shopping cart room based on an electronic price tag comprises an electronic price tag 1, wherein the electronic price tag 1 is connected with a wireless AP device 2 through a wireless signal; the wireless AP equipment 2 is connected with an Alice cloud server 4 through a wireless repeater 3; the Ali cloud server 4 is respectively connected with the server cluster 5, the electronic price tag server 6, the ERP and the POS system 7; the server cluster 5 is connected with an electronic price tag database server 8, an electronic price tag container server 9, an intelligent shopping cart system server 10 and an interface server 11; the interface server 11 and the intelligent shopping cart system server 10 are both in wireless connection with the electronic price tag RFID radio frequency signal receiver 12 through an Aliyun server; the electronic price tag RFID radio frequency signal receiver 12 is also connected to a map server 13.
The ERP system is an english abbreviation of Enterprise Resource Planning (Enterprise Resource Planning). The POS system is a fragmentation system. The POS system is a Point of Sales information system, can automatically read the equipment information and directly read the commodity Sales information when selling commodities, and transmits the information to each system module through a network computer system for data analysis and other scenes.
A cushion price tag firewall is arranged between the wireless repeater 3 and the Alice cloud server; an electronic price tag firewall is arranged between the server cluster 5 and the Ali cloud server, between the electronic price tag server 6 and between the ERP and the POS system 7; an electronic price tag firewall is arranged between the interface server and the Alice cloud server; an electronic price tag firewall is arranged between the intelligent shopping cart system server 10 and the electronic price tag RFID radio frequency signal receiver 12; an electronic price tag firewall is arranged between the electronic price tag RFID radio frequency signal receiver 12 and the map server.
And the electronic price tag RFID radio frequency signal receiver is arranged on the intelligent shopping cart body.
A system for realizing accurate positioning in an intelligent shopping cart room based on an electronic price tag comprises an electronic price tag RFID radio frequency signal receiver arranged on an intelligent shopping cart system, and is embedded in an intelligent shopping cart body in a physical mode; the shopping cart system server and the electronic price tag system server are arranged on the Ali cloud server; accessing a shopping cart system server and an electronic price tag system server through a locally deployed proxy server;
the electronic price tag server peripheral also comprises a wireless repeater and an electronic price tag wireless AP device; the wireless repeater is connected with the electronic price tag wireless AP equipment through a network cable, and then broadcasts wireless signals.
The RFID radio frequency signal receiver of the electronic price tag on the shopping cart is used for detecting and receiving the RFID radio frequency signal broadcasted by the electronic price tag, intelligently monitors through an algorithm, carries out redundant processing on signal data and transmits effective data to the shopping cart system.
Referring to fig. 1, a system for realizing accurate positioning in an intelligent shopping cart room based on an electronic price tag comprises an electronic price tag RFID radio frequency signal receiver arranged on an intelligent shopping cart system, a shopping cart system service and an electronic price tag system service which are embedded in an intelligent shopping cart body in a physical manner, arranged on an Aliskiu service end, and accessed through a locally deployed server, wherein the electronic price tag system further comprises a wireless repeater and an electronic price tag wireless AP device; the wireless repeater and the electronic price tag wireless AP equipment are connected through a network cable, and then broadcast wireless signals.
The electronic price tag RFID radio frequency signal receiver on the shopping cart is used for detecting and receiving RFID radio frequency signals broadcasted by the electronic price tag, intelligently monitoring through an algorithm, performing redundant processing on signal data and transmitting effective data to the shopping cart system;
referring to fig. 2, the method for realizing the accurate positioning of the intelligent shopping cart indoor accurate positioning system based on the electronic price tag uses the electronic price tag RFID communication and the intelligent shopping cart optimization algorithm to perform indoor positioning, and comprises the following steps:
step one, configuring parameters of an electronic price tag system in an Ali cloud server, writing an electronic price tag ID code in the electronic price tag system, recording the price tag system through a background, and writing required information in ERP and POS; the information comprises commodity names, commodity prices and commodity bar codes;
and step two, the Aricloud server 4 sends an instruction to call the electronic price tag server, the electronic price tag cloud database server, the electronic price tag container server and all the services to perform data intercommunication. The ERP and POS system equipment makes the electronic price tag server intercommunicate with the POS and ERP system through an electronic price tag data callback service, confirms the consistency of the electronic price tag data and the electronic price tag ID input, transmits the electronic price tag ID information encryption data through the wireless repeater 3, broadcasts radio frequency signal data through the wireless AP equipment 2, displays the electronic price tag equipment on site at the moment, and displays the required information after receiving the information transmitted by the wireless AP equipment 2 through the electronic price tag RFID radio frequency signal receiver;
the intelligent shopping cart system starts Bluetooth and checks an electronic price tag RFID radio frequency signal source in an indoor space; performing data intercommunication between the background POS and ERP system and the electronic price tag service, writing a price tag ID code in the electronic price tag system, inputting the ID code into the electronic price tag system through the background, and writing required information in the ERP and POS system; including commodity name, commodity price, commodity bar code;
the layout of the wireless repeater and the wireless AP equipment is carried out on an indoor site, the setting height of the wireless AP equipment is default between 2.5 meters and 3.0 meters, a wireless AP hotspot is arranged every 20 meters, the even distribution among hotspots is ensured, and the installation layout is carried out on the site electronic price tags;
the information of the electronic price tag is confirmed and maintained through a handheld end corresponding to the electronic price tag, the RFID radio frequency signal and the power of the electronic price tag can also be set through the handheld end, and after the power and the radio frequency signal strength are set, successfully set data can be transmitted to an Ali cloud server through the electronic price tag server to perform data synchronization;
starting a Bluetooth service in an intelligent shopping cart system, retrieving a space radio frequency signal source through an RFID receiver, simultaneously adapting to electronic price tag ID information, and detecting the space electronic price tag RFID radio frequency signal through a bottom layer algorithm and a singleton mode;
and step three, configuring and acquiring average intensity in a Bluetooth detection algorithm of the intelligent shopping cart system, namely, after the intelligent shopping cart system detects the signal intensity of the set wireless AP equipment, carrying out average calculation on the intensity of the RFID radio frequency signal of the electronic price tag 1 acquired by the intelligent shopping cart system.
Step four, refreshing the strength of the electronic price tag RFID radio frequency signal detected by the electronic price tag RFID radio frequency signal receiver 12 of the intelligent shopping cart system in real time so as to ensure that the strength of the obtained electronic price tag RFID radio frequency signal is effective; filtering invalid electronic price tag RFID radio frequency signals through an array algorithm, and performing optimized secondary screening and storage on the valid electronic price tag RFID radio frequency signals;
recording, comparing and analyzing the information acquired by the timer through the strength of the RFID radio frequency signal of the electronic price tag and the ID of the electronic price tag device detected by the intelligent shopping cart system, starting a positioning service and broadcasting the positioning information if the information reaches the parameter value set by the Ali cloud server;
after the accurate positioning or the rough positioning is finished, an electronic price tag RFID radio frequency signal receiver in the intelligent shopping cart system carries out data acquisition on an electronic price tag RFID radio frequency signal in the current space, the data acquisition is carried out through analysis of a Bluetooth detection algorithm, and at the moment, the retrieval, refreshing and recording processes are still executed;
after the precise positioning or the rough positioning is finished, the Aliskian background positioning algorithm still performs data acquisition and algorithm analysis on the current electronic price tag RFID wireless radio frequency signal, and at the moment, the retrieval, refreshing and recording processes are still executed in a circulating manner;
and step seven, when the intensity of the RFID radio frequency signals of the electronic price tags detected by the intelligent shopping cart system is changed or reduced, starting an exit mechanism, and performing algorithm adaptation on the intensity and the number of the RFID radio frequency signals of the electronic price tags in the Ali cloud server, so that the accurate indoor positioning of the intelligent shopping cart system can be realized.
Therefore, the purpose of accurately positioning the intelligent shopping cart system indoors can be quickly realized.
Claims (5)
1. A system for realizing accurate indoor positioning of an intelligent shopping cart based on an electronic price tag is characterized by comprising the electronic price tag (1), wherein the electronic price tag (1) is connected with a wireless AP device (2) through a wireless signal; the wireless AP equipment (2) is connected with the Ali cloud server (4) through the wireless repeater (3); the Ali cloud server (4) is respectively connected with the server cluster (5), the electronic price tag server (6), the ERP and the POS system (7); the server cluster (5) is connected with an electronic price tag database server (8), an electronic price tag container server (9), an intelligent shopping cart system server (10) and an interface server (11); the interface server (11) and the intelligent shopping cart system server (10) are in wireless connection with the electronic price tag RFID radio frequency signal receiver (12) through the Ali cloud server; the electronic price tag RFID radio frequency signal receiver (12) is also connected with the map server (13).
2. The system for realizing the accurate positioning in the intelligent shopping cart room based on the electronic price tag as claimed in claim 1, wherein a cushion price tag firewall is arranged between the wireless repeater (3) and the Alice cloud server; an electronic price tag firewall is arranged between the server cluster (5) and the Ali cloud server, the electronic price tag server (6), the ERP and the POS system (7); an electronic price tag firewall is arranged between the interface server and the Alice cloud server; an electronic price tag firewall is arranged between the intelligent shopping cart system server (10) and the electronic price tag RFID radio frequency signal receiver (12); an electronic price tag firewall is arranged between the electronic price tag RFID radio frequency signal receiver (12) and the map server.
3. The system for realizing indoor precise positioning of the intelligent shopping cart based on the electronic price tag as claimed in claim 1, wherein the electronic price tag RFID radio frequency signal receiver is arranged on the body of the intelligent shopping cart.
4. A system for realizing accurate positioning in an intelligent shopping cart room based on an electronic price tag comprises an electronic price tag RFID radio frequency signal receiver arranged on an intelligent shopping cart system, and is embedded in an intelligent shopping cart body in a physical mode; the shopping cart system server and the electronic price tag system server are arranged on the Ali cloud server; accessing a shopping cart system server and an electronic price tag system server through a locally deployed proxy server;
the electronic price tag server peripheral also comprises a wireless repeater and an electronic price tag wireless AP device; the wireless repeater is connected with the electronic price tag wireless AP equipment through a network cable and broadcasts a wireless signal;
the RFID radio frequency signal receiver of the electronic price tag on the shopping cart is used for detecting and receiving the RFID radio frequency signal broadcasted by the electronic price tag, intelligently monitors through an algorithm, carries out redundant processing on signal data and transmits effective data to the shopping cart system.
5. The method for realizing the accurate positioning of the intelligent shopping cart indoor accurate positioning system based on the electronic price tag as claimed in claim 1 is characterized by comprising the following steps:
step one, configuring parameters of an electronic price tag system in an Ali cloud server (4), writing an electronic price tag ID code in the electronic price tag system, recording the electronic price tag system through a background, and writing required information in an ERP/POS system; the information comprises commodity names, commodity prices and commodity bar codes;
step two, calling an electronic price tag server, an electronic price tag cloud database server, an electronic price tag container server, ERP and POS system equipment through an electronic price tag data callback service among the Ali cloud server (4), enabling the electronic price tag server, the ERP and the POS system to be intercommunicated, confirming the consistency of the electronic price tag data and the input of the electronic price tag ID, then carrying out electronic price tag ID information encryption data transmission through a wireless repeater (3), carrying out radio frequency signal data broadcasting through wireless AP equipment (2), displaying the electronic price tag equipment on site at the moment, and displaying required information after receiving information transmitted by the wireless AP equipment (2) through an electronic price tag RFID radio frequency signal receiver;
the intelligent shopping cart system starts a Bluetooth detection algorithm to check the strength of the RFID radio frequency signal of the electronic price tag in the indoor space;
step three, configuring and acquiring average intensity in a Bluetooth detection algorithm of the intelligent shopping cart system, namely after the shopping cart system detects the set wireless AP signal intensity, carrying out average calculation on the RFID radio frequency signal intensity of the electronic price tag (1) acquired by the shopping cart system, wherein the detected RFID radio frequency signal intensity can be set through the electronic price tag system;
step four, refreshing the strength of the electronic price tag RFID radio frequency signal detected by an electronic price tag RFID radio frequency signal receiver (12) of the intelligent shopping cart system in real time so as to ensure that the strength of the obtained electronic price tag RFID radio frequency signal is effective; filtering invalid electronic price tag RFID radio frequency signals through an array algorithm, and performing optimized secondary screening and storage on the valid electronic price tag RFID radio frequency signals;
recording, comparing and analyzing the information collected by the timer through the strength of the RFID radio frequency signal of the electronic price tag and the ID of the electronic price tag device detected by the intelligent shopping cart system, starting a positioning service and broadcasting the positioning information if the information reaches the parameter value set by the Ali cloud server;
after the accurate positioning or the rough positioning is finished, an electronic price tag RFID radio frequency signal receiver in the intelligent shopping cart system carries out data acquisition on the electronic price tag RFID radio frequency signal in the current space, and the electronic price tag RFID radio frequency signal is analyzed through an array algorithm, and at the moment, the retrieval, refreshing and recording processes are still executed;
and step seven, when the intensity of the RFID radio frequency signals of the electronic price tags detected by the intelligent shopping cart system is changed or reduced, starting an exit mechanism, and performing algorithm adaptation on the intensity and the number of the RFID radio frequency signals of the electronic price tags in the Ali cloud server, so that the accurate indoor positioning of the intelligent shopping cart system can be realized.
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| CN117250583A (en) * | 2023-11-13 | 2023-12-19 | 汉朔科技股份有限公司 | Positioning method, system, computer equipment and storage medium of intelligent shopping cart |
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| CN117250583B (en) * | 2023-11-13 | 2024-04-09 | 汉朔科技股份有限公司 | Positioning method, system, computer equipment and storage medium of intelligent shopping cart |
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