UWB (ULTRA WIDE BAND, UWB) technology is a wireless carrier communication technology. It does not use a sinusoidal carrier, but uses nanosecond-level non-sinusoidal narrow pulses to transmit data, so it occupies a wide spectrum. UWB positioning system relies on years of accumulation in professional fields such as mobile communication, radar, microwave circuit, cloud computing and big data processing, independently researched, developed and industrialized a set of UWB precise positioning system, the highest positioning accuracy can reach 10cm, with high The advantages of precision, high dynamics, high capacity, and low power consumption.
1. System technical architecture
Technical architecture: single service + hardware (UWB positioning base station, card)
Development language: java
Development tools: idea, VS Code
Front-end framework: vue
Backend framework: spring boot
database: mysql
This system uses UWB positioning technology to develop a high-precision personnel positioning system. Through unique radio frequency processing and advanced location algorithms, it can effectively calculate the activity information of people and objects in complex environments.
Provide real-time location display, historical track playback, personnel attendance, electronic fence, behavior analysis, intelligent inspection and other functions. The positioning accuracy is as high as 10cm, and it has the advantages of high dynamics, high capacity, and low power consumption. Application scenarios include: tunnels, chemical industry, factories, coal mines, construction sites, power plants, elderly care, exhibition halls, computer rooms, airports, etc.
The system adopts UWB high-precision positioning technology, which can realize centimeter-level positioning. As a high-speed, low-power, high-capacity emerging wireless local area positioning technology, UWB's current applications mainly focus on precise positioning indoors and outdoors. It is widely used in industrial automation, logistics warehousing, power inspection, coal mine construction, automatic driving and other fields.
The system uses the communication network as the main transmission platform, and the corresponding positioning base station, positioning anti-tampering bracelet and other equipment are connected to the system, and the management software and the main system use a standard dedicated database to exchange background data to achieve the tracking and positioning of regional targets and safety manage.
2. System features:
1. Personnel real-time positioning
Real-time distribution and statistics of personnel: real-time display of personnel information on the map and the distribution and quantity of personnel in each area.
Categorized statistics of personnel in the factory: The type, quantity, and personal information of personnel in each area are classified and displayed, and all personnel data can be displayed, or designated personnel can be selected for display.
Real-time viewing of video images: You can view the distribution of all cameras in the factory area on the map, and click on the camera to quickly view the real-time images of a certain area.
2. Personnel track playback
Customized query time: switch employees and time freely, screen employees' movement trajectories at fixed points, and check the time passing through each area at the same time.
Dynamic playback of video images: According to the trajectory of employee movements, the video images can be dynamically played and switched to quickly obtain on-site conditions.
Real-time viewing of personnel information: accurately display the location information and personal information of personnel.
3. Alarm management
Stationary alarm: When the employee is in a static state for more than a certain period of time, the system will judge that the person may be in danger in the area, and will issue an early warning message at this time.
Overcrowding alarm: If the total number of authorized people in the area is full or not up to the standard, the system will send out an early warning message to remind the management personnel to intervene in time.
Cross-border alarm: The system divides the authority of different areas. When people or objects enter the area outside the scope of their authority, the system will alarm.
One-button SOS: When an employee encounters an accident, he can immediately press the SOS button on the badge, and the background can provide timely rescue according to the location of the SOS.
4. Equipment and area management
Card management: add, delete, modify and check the cards, and at the same time, assign permissions to the work cards. The area that authorized cards can enter.
Base station management: conduct unified management of all the base stations on site, and view the coordinate information of the base stations on the map.
Electronic fence management: An electronic fence is formed by connecting multiple base stations. By customizing the electronic fence area, it can determine whether personnel have violated regulations and realize two-way alarms.
5. Video surveillance (video linkage)
Real-time screen of personnel location: You can retrieve the name of the specified personnel, view their current real-time location and activity track, and quickly obtain the real-time status of the personnel.
Trajectory playback video screen: You can enter the name and time period of the designated person to view the historical activity trajectory and location distribution of the person. Once there is any abnormality, the event process can be traced according to the data.
Surveillance video linkage: At the same time as the above real-time tracking and historical tracking, all cameras in the area can be linked to obtain video images and quickly check the scene.
6. Inspection management
Efficient supervision of inspection tasks: the real-time location of inspection personnel can be located, and data such as inspection time, location, time-consuming, and operation sequence can be fully recorded; the entire process can be traced to prevent falsification of inspection records.
Inspection track: You can view the movement track of the employee inspection task, and the time the employee stays at the inspection point and the elapsed time are clear at a glance.
Intelligent assessment of inspection work: the system intelligently analyzes the compliance/abnormal situation of inspection routes, provides comprehensive and multi-dimensional reports, data analysis tools and KPIs, and realizes intelligent assessment of inspection work.
3. System features:
1. Personnel positioning
The wireless communication technology is specially designed for industrial applications to ensure that the signal safety requirements of the site environment are met; it has passed the explosion-proof certification and is more suitable for use in complex environments of industrial enterprises.
2. Personnel trajectory management
Track and monitor the real-time trajectory of each person entering the production site, and draw an action roadmap, and you can also view its historical period trajectory roadmap.
3. Analysis of personnel activities
Analyze the action route map, area stay time, and activity time of each person entering the production site.
4. Real-time attendance
Perform real-time attendance based on the entry and exit records of the work attendance location.
5. Monitoring area maintenance
Maintain and manage the basic information of each production area, the degree of danger, the number of people allowed to stay, etc.
6. Electronic map management
The system supports the customization of the on-site map, and marks each monitoring point on the electronic map, supports infinite zooming of the electronic map, and supports cross-regional switching.
7. Personnel entry warning
Set the warning level of the danger level, issue a warning to the personnel entering the dangerous area, and notify the person in charge to monitor and deal with it.
8. Early warning of crowd gathering
When the number of people gathered in the area reaches the warning number, a dense crowd warning will be sent and the relevant person in charge will be notified to deal with it as soon as possible.
9. Regional Activity Analysis
Analyze who enters the area, number of people, stay time and activity time.
10. Check personnel distribution
Query and count the distribution of personnel in each area at the current moment or at historical moments.
11. Analysis of inspection activities
Combined with information-seeking safety production industrial Internet platform, analyze information such as action roadmap, regional stay time, and activity time.