Edge Controller Diagnostics With Standardized Abnormality Data
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Solution Overview
Problem
Existing systems struggle to effectively manage the internal state of a controller in an edge device, particularly in dealing with abnormal states that require cooperation between the edge device and external computers like cloud servers, and face challenges in reducing the amount of data communication.
Innovation Solution
A distributed system is implemented, comprising an edge device with an in-edge controller and a diagnostic data computer. The edge device diagnoses abnormalities, converts diagnostic data, and transmits aggregated data to the diagnostic data computer, enabling cooperation and reducing data communication.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If physical state data is communicated as it is from each component, then the data type and format are unique to each component, but the amount of data to be transmitted and received becomes large
Solution Approach 1:
The patent extracts only the essential diagnostic information (abnormality presence/absence and type) from the raw physical state data at the edge device, separating the detailed data processing from the communication transmission. This extraction process filters out redundant data while preserving the critical diagnostic values, thereby reducing communication data volume without sacrificing diagnostic accuracy.
Solution Approach 2:
The patent transforms the data parameters from raw physical state values to standardized diagnostic categories (abnormality presence/absence and type). This parameter transformation converts component-specific physical measurements into universal diagnostic indicators that can be processed by the server, reducing data complexity and communication requirements while maintaining diagnostic precision.
2Loss of information
If the server device receives raw physical state data, then it has complete information, but it cannot cope with plural types of phenomena, data, and abnormal states occurring in a complex manner
Solution Approach 1:
The patent performs preliminary data processing and classification at the edge device before transmission to the server. The edge device pre-analyzes the physical state data, identifies abnormalities, and categorizes them into standardized types, preparing the data in advance for server processing. This preliminary action reduces the computational burden on the server and enables it to handle multiple abnormal state types more efficiently.
Solution Approach 2:
The edge device acts as an intermediary between the physical components and the server, translating component-specific physical state data into standardized diagnostic information. This intermediary processing layer adapts the data format and content to be suitable for server analysis, bridging the gap between diverse component data and unified server processing capabilities.
3Adaptability or versatility
If the server device performs factor analysis using collected data, then it can deal with internal state of the controller, but the data communication amount increases
Solution Approach 1:
The patent extracts only the essential diagnostic indicators (abnormality presence/absence and type) from the complete physical state data at the edge device. By extracting only the relevant diagnostic information needed for factor analysis rather than transmitting all raw data, the system enables the server to perform comprehensive diagnostic capability while minimizing communication data volume.
4Reliability
If the monitoring device collects physical state data from each component, then it monitors internal states, but the data format is unique to each component or hardware configuration
Solution Approach 1:
The patent transforms component-specific physical state parameters into standardized diagnostic parameters (abnormality presence/absence and type) at the edge device. This parameter standardization converts diverse component data formats into a unified diagnostic language that maintains monitoring reliability while ensuring data compatibility across different hardware configurations and components.
Data Source
AI summary
The subject is to provide a technique of dealing with an internal state of a controller in an edge device by cooperation between an edge device and a computer such as a cloud server, and to generalize data communication for the cooperation and reduce an amount of data communication. Provided is a distributed system including an edge device and a diagnostic data computer. The edge device includes an in-edge controller including at least a processing unit, and a system element to be monitored by the in-edge controller. The processing unit diagnoses presence or absence of an abnormality in the processing unit due to an abnormality occurring in the system element, generates first diagnostic data indicating presence or absence of the abnormality of the processing unit, converts the first diagnostic data into second diagnostic data indicating a type of the abnormality of the processing unit, and transmits the second diagnostic data to the diagnostic data computer.