Electrical Hardware Reliability Reporting With Real-Time Stress Feedback

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Solution Overview

Problem

Current tools lack the capability to provide real-time reliability reporting and health monitoring for electrical hardware, such as sensors and battery energy storage systems, under varying field conditions, which hinders proactive maintenance and spare part management.

Innovation Solution

A method and system for analyzing real-time stress data to calculate and display reliability information, including runtime data, real-time reliability, and stress information, using a graphical user interface, which corrects predicted reliability models based on actual field data to inform maintenance decisions.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If standard reliability prediction models (e.g., MIL-217) are used based on component failure rates under standard conditions, then reliability predictions can be made for benchmarking purposes, but the predictions do not reflect actual real-life health information of hardware at runtime under varying field stresses

Engineering Contradiction:
Improvereliability prediction accuracyVSAvoidadaptability to field conditions
Core Design Contradiction:
ReliabilityVSAdaptability or versatility

Solution Approach 1:

The system transitions from static reliability predictions based on standard conditions to dynamic reliability assessment that continuously updates based on real-time field stress data. The reliability model adapts its parameters according to actual operating conditions including temperature, humidity, voltage, and current, enabling accurate real-time reliability monitoring rather than fixed benchmarking values

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The system changes the parameters used in reliability calculations from fixed standard condition values to variable field-measured parameters. By incorporating real-time environmental and electrical stress data into the reliability model, the system adjusts reliability predictions to reflect actual operating conditions, resolving the contradiction between standardization and field adaptability

Inventive Principle:
Principle #35Parameter changes

2Ease of operation

If no real-time monitoring tools are implemented, then system complexity remains low, but proactive maintenance and spare part management cannot be performed

Engineering Contradiction:
Improveproactive maintenance capabilityVSAvoidmonitoring system complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The system enables self-service through automated reliability calculation and maintenance decision support. The platform automatically collects stress data, computes reliability metrics, and provides actionable insights for maintenance scheduling without requiring complex manual analysis or intervention, making proactive maintenance accessible despite increased monitoring capabilities

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The reliability prediction platform acts as an intermediary layer between raw field data and maintenance decisions. It mediates by collecting diverse stress parameters, processing them through reliability models, and presenting simplified maintenance recommendations, thereby enabling proactive maintenance without directly exposing the complexity of the underlying monitoring and calculation systems

Inventive Principle:
Principle #24Intermediary (Mediator)

3Adaptability or versatility

If hardware operates under varying environmental stresses in the field, then real-world performance varies, but standard reliability models cannot provide accurate health information for such conditions

Engineering Contradiction:
Improvefield condition variabilityVSAvoidhealth information accuracy
Core Design Contradiction:
Adaptability or versatilityVSMeasurement precision

Solution Approach 1:

The system implements feedback by continuously measuring actual field stress conditions and using this information to update reliability predictions in real-time. The closed-loop approach compares predicted reliability with actual operating conditions, adjusting health assessments based on cumulative stress exposure, thereby maintaining measurement precision across varying field environments

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The system performs preliminary action by pre-establishing reliability models that account for various stress conditions before field deployment. These models are then activated and adjusted based on actual conditions, allowing the system to provide accurate health information from the outset rather than requiring extensive post-deployment calibration

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentEP4113236A1Run-time reliability reporting for electrical hardware systems
Publication Date: 2023.01.04 HONEYWELL INTERNATIONAL INC
  • EP4113236A1 patent drawingFigure 1
  • EP4113236A1 patent drawingFigure 2
  • EP4113236A1 patent drawingFigure 3~4

AI summary

A method and system for reliability reporting for electrical hardware can involve analyzing stress data referenced to a predicted reliability of electrical hardware, the stress data including real-time stress information related to the electrical hardware. Reliability data associated with the electrical hardware based on the real-time information and the predicted reliability of the electrical hardware can be calculated. The reliability data can be presented in a graphical user interface that displays indicators of the reliability data including runtime data associated with the electrical hardware.