A multi-node carrier communication fault detection method and system

CN121711280BActive Publication Date: 2026-06-09BEIJING MATERIALS HANDLING TECH INST CO LTD

Patent Information

Authority / Receiving Office: CN · China
Patent Type: Patents(China)
Current Assignee / Owner: BEIJING MATERIALS HANDLING TECH INST CO LTD
Filing Date: 2026-02-13
Publication Date: 2026-06-09

AI Technical Summary

Technical Problem

Existing multi-node carrier communication technology suffers from problems such as real-time performance issues, signal conflicts and difficulties in identification, blind spots in fault detection, and strong synchronization dependence in the safety monitoring systems of special equipment such as cableways, mine hoists, and elevators, and cannot meet the requirements of high reliability and rapid fault location.

Method used

An asynchronous autonomous communication architecture is adopted, in which multiple transmitting nodes independently generate periodic square wave signals with different periods for each node. The signals contain level status, node identifier and accumulated count value. The receiving end performs multi-modal fusion verification to achieve fault detection.

Benefits of technology

It achieves low-probability signal collision transmission without clock synchronization, second-level real-time fault detection, and precise node positioning, meeting the real-time safety monitoring requirements of cableways and other fields.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The application provides a multi-node carrier communication fault detection method and system, the system comprises a plurality of sending nodes, a cable for carrier transmission and a receiving end; each of the plurality of sending nodes independently generates a periodic square wave signal; the periods of the square wave signals of different sending nodes are different; each sending node transmits a data frame comprising a plurality of verification information to the receiving end through the cable when the level of the square wave signal flips; the plurality of verification information comprises a level state, a node identifier and an accumulated count value which is synchronously incremented with the level flip event; the receiving end performs multi-modal fusion verification on the communication state of each sending node based on the plurality of verification information of the received data frame, and determines the carrier communication fault detection result of each sending node; the signal extremely low probability collision transmission, fault accurate positioning and second-level real-time detection are realized without clock synchronization.

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