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Project Background:
The project is located in the virtual supermarket of the P&G Venture Center Building in the Science and Technology Park of South China University of Technology in Guangzhou. The construction plan uses radio frequency technology to perform data statistics on the visitors to the supermarket. From the location data of the visitors, the statistics of the visitor’s product access information, a certain product Customer popularity, supermarket customer distribution, special customer tracking, historical trajectory visits and other functions. Jiangsu Tangen Technology uses UWB ultra-wideband positioning technology to promptly build a forward-looking supermarket personnel positioning management system for Procter & Gamble (Guangzhou), which has the significance of a typical application case for supermarket customers.
User background:
Procter & Gamble was founded in 1837 and is the world’s largest consumer goods company. The P&G virtual supermarket is located on the first floor of the P&G Innovation Center in Guangzhou South China Science and Technology Park.
specific plan:
The virtual supermarket is divided into three areas: 1. Procter & Gamble Cosmetics Supermarket; 2. Procter & Gamble Daily Cleaning Products Supermarket; 3. Procter & Gamble Comprehensive Supermarket (newly built); this project is positioned as one of the comprehensive supermarkets, with an area of approximately 120 square meters. , Commodity shelves are common arrangement shelves, and visitors walk in various shopping aisles. According to P&G’s on-site spatial structure, we use a standard unit indoor sensor to cover the entire area. The sensors are deployed in the four corners of the area, and a relative coordinate system is established according to the on-site environment. Visitors wear the ultra-wideband UBITAG7022 compact location tag, a total of 12 tags. The tag sends out a pulsed ultra-wideband signal. After the sensor receives the signal from the tag, it calculates the tag’s real-time positioning coordinates according to the TDOA and AOA positioning algorithms. And send the positioning data to the application system via Ethernet. And the system supports the POE function, and the power supply network is also established while establishing the sensor Ethernet network, which greatly reduces the user’s construction cost and construction difficulty.
Program effect:
The project was completed in September 2009, and the positioning accuracy is about 60cm, which meets the expectations of users.
Track positioning:
Specifically, it includes personnel movement positioning in the supermarket, personnel trajectory collection, and analysis of shops that consumers are accustomed to visiting and the path of entry, while supporting security monitoring.
Passenger flow collection:
The background records and analyzes the collected data, learns the passenger flow status of each area, and provides data support for the supermarket passenger flow system.
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