SKYLAB has launched the restaurant customer UWB positioning solution, which can achieve precise positioning of restaurant customers, thereby improving the work efficiency

时间： 2022-06-23 来源：天工测控

技术问答

The current situation is that due to the large operating area of a restaurant, it often happens that after customers order food, the waiter cannot find the customer's seat in time, which affects the service quality.(1) It wastes time to find customers and affects work efficiency.(2) The quality of service is greatly reduced due to the long waiting time for the customer to deliver the meal.

SKYLAB(天工测控) has developed and launched the restaurant customer UWB positioning solution, which can achieve precise positioning of restaurant customers, thereby improving the work efficiency of restaurant service personnel.

Restaurant customer UWB positioning solution introduction

The restaurant personnel UWB positioning management solution developed by SKYLAB adopts ultra-broadband positioning technology. By deploying UWB positioning base stations in the dining area of the restaurant, customers carry the number plate UWB Positioning Tag. It can realize the real-time positioning of customers who have ordered meals, and the service staff can know their real-time location through the display screen.

Through the real-time positioning of customers in the restaurant, statistics and analysis are carried out on the waiting time of customers and the flow of people, which provides a basis for improving service quality in the later stage.

UWB Positioning System Architecture

The architecture of the SKYLAB UWB High Accuracy Indoor Positioning System consists of UWB Anchor, UWB tags, positioning engine, and terminal display device.

(1) UWB Anchor: The UWB positioning system requires that the UWB positioning anchor be installed in the restaurant area in advance. The UWB anchor communicates with the positioning tag through the UWB signal to realize the function of positioning the UWB tag.

(2) UWB Tag: The number plate and UWB tag are assembled together. After ordering, customers need to take the positioning label number plate and wait at the seat. The tag transmits UWB signals, communicates with the base station, and is solved by the positioning engine to realize the positioning of the tag itself.

(3) Location Engine: UWB Anchor send the original data to the location engine through the network in real-time, location engine runs an algorithm to calculate the coordinate position of the tag in real-time.

(4) Display Terminal: The positioning coordinates of the tag calculated by the location engine are generally displayed on a terminal which may be any device with a browser, such as a PC computer, tablet or mobile phone.

UWB Positioning Tag

UWB Tag VDU1506

RF: Decawave DW1000

Master: Nordic nRF52832

Positioning/Ranging Accuracy: CEP90, 30cm

Positioning algorithm: support TDOA positioning and TWR ranging

Use time: one full charge, TDOA positioning is 3.8 months (default1Hz); TWR ranging 28.3 days (default 1Hz)

Charging method: charging head magnetic charging

Positioning distance: TWR ranging: 1000 meters

Protection grade: IP66 waterproof and dustproof

Alarm: integrated SOS button, emergency use

Installation: two ways (1) fixed with holes and screws (2) 3M glue

Function: personnel positioning, social distance detection

occasion: construction site, coal mine, tunnel, pipe gallery, mine

UWB Positioning Watch VDU1502

Main control chip: Nordic nRF52832

Positioning chip: Decawave DW1000

Supported channels can be modified to support channels ch1-5 Positioning accuracy: up to 10cm

Use time for one charge: about 2 months (1Hz positioning) Movement refresh frequency 10Hz (default, can be modified)

Static refresh frequency 1Hz (default, can be modified)

Protection: Waterproof design

Positioning mode: positioning and smart power-saving mode

Health function: real-time monitoring of the wearer's heart rate, steps, display time

Press the button: configure the SOS button, you can call for help and alarm in an emergency

Category: tamper-proof type without a screen, tamper-proof type with screen, non-tamper-proof type with screen, and non-tamper-proof type without screen

UWB Positioning Cards VDU1501

Master Control Chip: Nordic nRF 52832

Positioning Chip: Decawave DW1000 chips

Location Algorithm: TDOA

Positioning Accuracy: 10cm

Button: Configure the SOS button, Emergency problems can be avoided by the alarm for help

Use Time of Charging Once: 2 months(1Hz positioning) The Default Frequency Range is 3774-4243.2MHz.

Support Channel: modifiable, support channel ch1-5

Protocol Standard: EEE 802.15.4- 2011UWB

Movement Refresh Frequency: 10Hz(Default, modifiable)

Static Refresh Frequency: 1Hz(Default, modifiable)

UWB Positioning System Background Display

Advantages of UWB High Accuracy Indoor Positioning System

SKYLAB UWB Indoor Positioning System with high accuracy up to 10cm, super long coverage radius as >=50m, easy to maintain and extend. 3 UWB Anchors form a basic positioning system, achieving stable and high accuracy 2D indoor positioning, less UWB Anchor quantity required, and lower deployment cost of hardware.

(1) TDoA High Accuracy Indoor Positioning algorithm based on research and development of 95Power.

(2) Support 0D existence/1D linear/2Dl/3D planar hybrid High Accuracy Indoor Positioning algorithm.

(3) Achieve rich positioning functions: Real-time indoor positioning, historical track playback, electronic fence, data statistics, etc.

(4) The location engine can be deployed on the user's local or cloud services as needed.

(5) Support distributed server, provide unlimited function expansion.

(6) Provide an open HTTP API interface to support rich interface data and function extension

(7) The number of Anchors and tags can be greatly expanded

(8) Hardware programs can be remotely upgraded and configured.

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