Facility Monitoring Threshold Setting for Neural Anomaly Detection

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Solution Overview

Problem

Manufacturing facilities face challenges in determining the cause of failures and predicting remaining useful life, leading to costly and time-consuming follow-up measures.

Innovation Solution

A method for setting a model threshold value in a facility monitoring system using sensor data, feature extraction, and a trained neural network model to detect anomalies and predict failures.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If expert analysis is used to determine facility failure causes, then diagnostic accuracy is improved, but time consumption and cost increase

Engineering Contradiction:
Improvediagnostic accuracyVSAvoidtime consumption
Core Design Contradiction:
Measurement precisionVSLoss of time

Solution Approach 1:

The patent applies preliminary action by pre-training a neural network model offline with historical facility data before actual deployment. The model is prepared in advance to perform anomaly detection and remaining useful life prediction, eliminating the need for real-time expert analysis. This allows the system to automatically process sensor data and generate diagnostic results instantly, resolving the contradiction between maintaining high diagnostic accuracy and reducing time consumption.

Inventive Principle:
Principle #10Preliminary action

2Reliability

If manual follow-up measures are implemented for facility monitoring, then diagnostic thoroughness is improved, but operational efficiency deteriorates

Engineering Contradiction:
Improvediagnostic thoroughnessVSAvoidoperational efficiency
Core Design Contradiction:
ReliabilityVSProductivity

Solution Approach 1:

The patent implements self-service by enabling the facility monitoring system to autonomously perform anomaly detection and remaining useful life prediction using sensor data and a pre-trained neural network model. The system automatically processes data, generates diagnostic results, and provides maintenance recommendations without requiring manual intervention. This maintains diagnostic thoroughness while significantly improving operational efficiency by eliminating time-consuming manual follow-up measures.

Inventive Principle:
Principle #25Self-service

3Device complexity

If traditional monitoring methods are used, then system simplicity is maintained, but predictive capability is insufficient

Engineering Contradiction:
Improvesystem simplicityVSAvoidpredictive capability
Core Design Contradiction:
Device complexityVSReliability

Solution Approach 1:

The patent applies preliminary action by performing model training offline before deployment. The neural network model is pre-trained using historical facility data to learn patterns of normal and abnormal operations. During actual monitoring, the pre-trained model automatically processes sensor data to detect anomalies and predict remaining useful life, providing advanced predictive capability while maintaining operational simplicity. The complex training process is separated from the deployment phase, allowing the monitoring system to remain simple during operation.

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentUS12235635B2Method for setting model threshold of facility monitoring system
Publication Date: 2025.02.25 AIDENTYX INC
  • US12235635B2 patent drawing
  • US12235635B2 patent drawing
  • US12235635B2 patent drawing

AI summary

An exemplary embodiment of the present disclosure discloses a method of setting a model threshold value for detecting an anomaly of a facility monitoring system, the method including: acquiring sensor data output from each sensor; extracting a feature value for the sensor data of each sensor; acquiring output data by inputting input data including the extracted feature value to a trained neural network model; and comparing the input data and the output data and setting a threshold value for detecting an anomaly based on a calculated comparison result value.