Asset Management UWB and Bluetooth Positioning Solution

时间： 2022-06-27 来源：天工测控

技术问答

Asset equipment positioning management is also a major application scenario of indoor positioning technology. For example, it has applications in banks, hospitals, factories, and other scenarios. The traditional manual inventory of assets and equipment has problems such as heavy workload, unreal-time information updates, and error-prone. For fixed asset equipment positioning management, SKYLAB（天工测控） provides asset positioning management solutions based on indoor positioning technology, including asset management uwb positioning solutions and asset management Bluetooth positioning solutions, as shown below.

1. Asset management UWB positioning solution

SKYLAB's uwb positioning asset management solution adopts ultra-wideband positioning technology. According to the actual situation of the rooms, corridors, and stairs in the positioning area, deploy a certain number of uwb positioning base stations. Fix the uwb positioning label on the asset equipment, which can accurately locate the real-time position of the valuable asset, so as to clearly display the specific location of all valuable equipment.

The uwb positioning asset management solution helps enterprises to achieve refined management of fixed assets. It can accurately control valuable assets and equipment, thereby improving the efficiency of asset management.

UWB Positioning System Architecture

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

Asset management UWB positioning system composition

Asset management uwb positioning system composition:

(1) UWB positioning tags bound to valuable assets can transmit UWB signals to determine the location;

(2) The uwb positioning base station that covers the positioning area and has a fixed position can receive and calculate the signal sent from the uwb tag;

(3) Map and real-time location display management platform to acquire, analyze and transmit information to asset managers;

(4) PC terminal, mobile terminal application software, and map server.

The working principle of the asset management positioning system

Where the UWB base station signal is covered, the uwb positioning tag bound to the fixed asset periodically sends out a signal. After the uwb positioning base station receives the signal of the uwb tag, it calculates and transmits the data to the positioning server. The positioning server determines the real-time location of the valuable asset equipment according to the time difference between the signals arriving at different uwb base stations. The positioning engine software shows the real-time location of fixed assets and displays them through electronic maps.UWB asset positioning accuracy is usually in the range of 10cm to 30cm.

Asset management positioning system application function

(1) Real-time positioning of fixed assets, real-time monitoring, and real-time tracking;

(2) High positioning accuracy. In the case of static positioning, the positioning accuracy is less than or equal to 0.3 meters; in dynamic positioning, the positioning accuracy generally does not exceed 0.5 meters;

(3) Electronic fence, safe area alarm: You can easily set a special area electronic fence, and entering and leaving this demarcated area will trigger an alarm;

(4) Historical movement track playback: The server can store historical location data for a long time, and can return to query the historical location information and historical movement paths of key equipment;

(5) Alarm for abnormal asset location;

(6) The status of inbound and outbound is accurate;

(7) Personnel information management, access record query.

Asset management positioning system interface

According to the design of the system architecture, the connection, data interaction, business processing, etc. among various functional subsystems are implemented and managed by the interface subsystem, which mainly includes the following interfaces:

(1) Positioning engine data API interface

(2) Interface with surveillance video

(3) Docking with monitoring display

(4) Interfacing with the early warning/alarm subsystem

(5) Docking with sound and light alarm

2. Asset Management Bluetooth Positioning Solution

Bluetooth positioning is suitable for asset management, and the positioning accuracy is usually 2-5 meters. There are two types of Bluetooth positioning solutions for asset management. Suitable Bluetooth positioning solutions can be selected according to different asset positioning occasions.

Asset Management Bluetooth Positioning Solution 1

Bluetooth beacon + Bluetooth gateway + cloud server + display terminal

Bluetooth asset location management system architecture

(1)Wireless network management: Monitor the status of the Bluetooth gateway, receive data from the Bluetooth gateway, and after data analysis, the location server will calculate the location of the Bluetooth asset tag.

(2)Positioning server: Provide indoor positioning function, calculate the position of Bluetooth positioning tag, and save the position of the tag;

(3)Asset Management System: Real-time inventory of assets.

Asset management Bluetooth positioning system

Scheme Description:

(1) Bluetooth beacon: The asset location beacon sends broadcast packets at intervals.

(2) Bluetooth gateway: Scan and collect the broadcast packets of the surrounding Bluetooth beacons, and transmit the MAC address, RSSI value, time, power, and other information to the background server through 4G/5G/WiFi/Ethernet.

(3) The background server calculates the position of the Bluetooth beacon (Beacon) according to the RSSI value combined with the map.

According to the requirements of asset positioning, we calculate the existence (asset inventory) and approximate location of asset beacons. Since we marked the position of the reference beacon on the map in the background, the position of the asset beacon can be calculated by comparing the RSSI value of the obtained asset beacon with the RSSI value of the reference beacon. And send the information to the customer's management system through the API interface.

(4) The location of reference beacons and asset beacons can be obtained from the server through any mobile phone or display terminal, inventory of fixed assets, and real-time monitoring of fixed assets.

Application function

SKYLAB's Bluetooth positioning asset management solution can well determine the specific location of valuable assets and assist in the refined management of enterprise assets.

(1) Item information management: view the location distribution and real-time location of assets and equipment;

(2) Asset location tracking: The historical movement trajectory of asset equipment can be accurately recorded on the map, and asset trends can be grasped anytime, anywhere;

(3) Electronic fence monitoring: If important assets and equipment exceed the monitoring range delimited by the electronic fence, an alarm will be triggered to strengthen the positioning monitoring of special items.

Application scenarios

This Bluetooth positioning asset management solution is commonly used in the following scenarios:

(1) Positioning management of valuable medical equipment in hospitals;

(2) Real-time positioning management of factory valuable equipment;

(3) Valuable asset positioning management in special scenarios such as banks.

Asset Management Bluetooth Positioning Solution 2

Scheme Description:

(1) Bluetooth beacon: It sends its own broadcast packets at intervals.

(2) The mobile APP scans the broadcast packets of the surrounding Bluetooth beacon and transmits the MAC address, RSSI value, time, power, and other information to the background server.

(3) The background server calculates the position of the Bluetooth beacon according to the RSSI value combined with the map.

Application scenarios

This solution is suitable for places where it is inconvenient to arrange a Bluetooth gateway. If a Bluetooth gateway can be arranged, it is recommended to use an asset location management solution based on a Bluetooth gateway + Bluetooth beacon.

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