A method and device for designing an electronic fence for construction safety control in a near-electric environment

By using ranging communication and data cleaning technology between UWB positioning base stations, combined with trilateration algorithms and risk assessment logic, the multipath effect problem of UWB ranging data in near-electrical environments was solved, enabling precise safety management and proactive early warning for construction personnel.

CN122420741APending Publication Date: 2026-07-17SHANNXI POWER TRANSMISSION & TRANSFORMATION CO +1
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
SHANNXI POWER TRANSMISSION & TRANSFORMATION CO
Filing Date
2026-04-17
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

In near-electric environments, UWB ranging data is affected by multipath interference, leading to a decrease in positioning accuracy and making it difficult to accurately identify and provide graded proactive warnings for construction workers approaching dangerous areas.

Method used

Global calibration parameters are generated through ranging communication between UWB positioning base stations to calibrate base station coordinates. The trilateration algorithm and least squares method are combined to solve the problem. Median filtering and statistical threshold are introduced to filter out abnormal data, generating a clean ranging dataset. Risk assessment is performed through buffering and hysteresis mechanisms and uncertainty judgment logic to trigger accurate alarms.

Benefits of technology

It significantly improved positioning accuracy, enabling millisecond-level precise identification and tiered proactive warning of construction personnel approaching dangerous areas, reducing the false alarm rate at boundaries, and improving the stability of the safety management system.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN122420741A_ABST
    Figure CN122420741A_ABST
Patent Text Reader

Abstract

The application provides a kind of electronic fence design method and device for construction safety control under near electric environment, comprising: through the ranging communication of mutually executed UWB base station that has been deployed and the generation of calibration parameters combined with preset calibration point, coordinate calibration is completed;Base station and personnel positioning tag bidirectional ranging obtain round-trip time delay raw data;Round-trip time delay raw data is protocol analyzed, median filtered and discarded based on statistical threshold exception data, to obtain pure ranging data set;Pure ranging data set is input into positioning engine, and real-time coordinates are obtained by trilateration and least square solution;Space relationship calculation is carried out with preset electronic fence model, and the final real-time position state and risk level are generated through buffer and hysteresis mechanism and risk judgment logic based on uncertainty;Trigger corresponding alarm and push management platform.In this way, the coordinate precision of positioning engine solution is improved, and millisecond-level accurate identification and hierarchical active warning of construction personnel approaching dangerous area are realized.
Need to check novelty before this filing date? Find Prior Art