Path Information Generation for Control Systems
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Solution Overview
Problem
Existing methods for generating path information in control systems require significant time and effort, especially when multiple label names need to be assigned or changed, as they necessitate manual rewriting of network configuration information.
Innovation Solution
A path information generating device that includes a label information storage unit, a system configuration information storage unit, and a path information generating unit, which automatically generates path information based on system configuration and label information, allowing for the identification of control devices by their label names and the generation of path information without manual intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual generation of path information is performed, then path information can be generated, but time and effort are significantly consumed
Solution Approach 1:
The system pre-generates path information between all pairs of control devices and stores it in a database before actual communication needs arise. This preliminary action eliminates the need for manual path information generation when communication is required, significantly reducing time consumption while maintaining complete path information availability.
2Adaptability or versatility
If label names are changed or multiple label names are assigned to control devices, then flexibility and adaptability improve, but manual rewriting of network configuration information becomes necessary
Solution Approach 1:
The invention introduces a database as an intermediary layer between label names and path information. The database stores path information in a label-name-independent format, allowing label names to be changed or multiplied without affecting the underlying path information. This mediator decouples the relationship between human-readable labels and technical routing data, enabling flexible label management without configuration rewriting.
3Reliability
If manual writing of path information in each control device is performed, then path information can be distributed, but errors are prone to occur
Solution Approach 1:
The system automatically generates identical path information copies for all control devices through automated distribution from the central database. This copying mechanism eliminates manual transcription errors while ensuring each control device receives accurate, consistent path information. The automated copy process maintains reliability while significantly improving operational ease compared to manual distribution.
Data Source
AI summary
A path information generating device includes: a label information storage unit that stores label information indicating correspondence relations between label names and control devices; a system configuration information storage unit that stores system configuration information indicating correspondence relations between the control devices and networks connected to the control devices; and a path information generating unit that generates path information indicating a path from an access source control device to a first control device based on the system configuration information, and outputs the generated path information. The path information generating unit receives a first label name for designating an access destination, identifies the first control device corresponding to the first label name based on the label information, and sets the first control device as an access destination control device.