Device Network Recognition Using Group IDs to Prevent Crosstalk
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Solution Overview
Problem
Existing system recognition processing in device networks is prolonged with increasing network complexity, and crosstalk occurs between non-physically connected networks, affecting communication speed and stability.
Innovation Solution
Utilize a low-frequency signal for system recognition processing to identify devices connected by wired lines, transmitting network and group identification information, and aggregating instruction and approval messages into one signal to prevent crosstalk and reduce processing time.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If system recognition processing is performed sequentially for each network to prevent crosstalk, then crosstalk is prevented, but the system recognition processing time increases in proportion to the number of networks
Solution Approach 1:
The patent segments the system recognition processing by introducing group identification information that divides devices into different groups. This allows the master device to perform system recognition processing for multiple networks simultaneously by identifying which group each device belongs to, thereby preventing crosstalk between networks while reducing the time required compared to sequential processing.
Solution Approach 2:
The patent adds a new dimension to the system recognition processing by incorporating group identification information alongside network identification information. This dimensional expansion allows devices to be uniquely identified across multiple networks and groups, enabling parallel recognition processing while maintaining network isolation to prevent crosstalk.
2Reliability
If multiple messages (instruction information, approval information, network ID) are transmitted separately to ensure reliable system recognition, then reliability is improved, but message traffic and control system complexity increase
Solution Approach 1:
The patent merges multiple separate messages (instruction information, approval information, and network ID) into a single integrated message. This combined message contains all necessary information for system recognition and device approval, reducing message traffic and simplifying the control system structure while maintaining the reliability of the recognition process.
Solution Approach 2:
The patent creates a universal message format that serves multiple functions simultaneously: it provides instruction information, transmits network identification, conveys approval status, and enables group identification. This multi-functional message reduces the need for multiple specialized messages and simplifies the overall control system.
Data Source
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AI summary
A problem to be solved by the present disclosure is to provide a device network system that both prevents crosstalk and shortens a system recognition processing time. In the device network system, system recognition processing is performed using a low-frequency signal including a network ID for connection to the network and a group ID. Therefore, a device of another network not physically joined is prevented from being recognized as the same system (hereinafter, referred to as crosstalk). Further, even in a case where there is a plurality of networks that is targets of the system recognition, the system recognition processing can be simultaneously performed, and the time taken by the system recognition processing is shortened. As a result, it is possible to both prevent crosstalk and shorten the system recognition processing time.