Component Lifecycle Assessment via Digital Twin Simulation

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Solution Overview

Problem

Current methods for implementing product data services in industrial settings rely heavily on expert experience, making it difficult to determine key modules, failure modes, and measurement rules, and resulting in inefficient analysis and excessive dependence on manual operations.

Innovation Solution

A method and device for assessing a component's lifecycle using a simulation device that performs modeling and data collection, with a simulation device obtaining model description information, data obtaining device collecting real data, status monitoring device determining component status, and analysis device generating reports, allowing for automatic assessment without expert reliance.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If expert experience is used to determine key modules, failure modes, and measurement rules, then the accuracy of analysis is improved, but the complexity of the system and dependence on manual operations increases

Engineering Contradiction:
Improveaccuracy of key module identificationVSAvoidsystem complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The patent creates a virtual copy of the production line through digital twin technology. The virtual model replicates the physical system's structure, components, and processes, allowing automated analysis of key modules and failure modes without requiring expert manual intervention. This copying approach transfers the complexity from the analysis process to the initial model creation phase.

Inventive Principle:
Principle #26Copying

Solution Approach 2:

The patent replaces the mechanical/expert-based analysis system with an automated computational system. Instead of relying on human experts to manually identify key modules and failure modes, the system uses algorithms and data processing to automatically determine these elements, substituting human cognitive processes with automated computational processes.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

2Measurement precision

If manual expert analysis is used for each component, then the quality of analysis report is improved, but the time consumption and productivity decrease

Engineering Contradiction:
Improvequality of analysis reportVSAvoidanalysis efficiency
Core Design Contradiction:
Measurement precisionVSProductivity

Solution Approach 1:

The patent performs preliminary actions by pre-establishing the virtual model of the production line with all components, their relationships, and potential failure modes configured in advance. This preliminary setup enables automated analysis to be performed quickly on demand without requiring manual expert intervention for each analysis task, thus improving productivity while maintaining analysis quality.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The system enables self-service analysis where the virtual model automatically performs lifecycle assessment and generates analysis reports without requiring external expert intervention. The automated system serves itself by using its own data and models to produce results, eliminating the need for manual expert analysis and significantly improving productivity.

Inventive Principle:
Principle #25Self-service

3Productivity

If automated data collection is implemented, then the productivity is improved, but the measurement precision and reliability of data may deteriorate

Engineering Contradiction:
Improvedata collection efficiencyVSAvoiddata quality
Core Design Contradiction:
ProductivityVSReliability

Solution Approach 1:

The patent introduces the virtual model as an intermediary between the physical production line and the analysis system. Sensors collect data from the physical line, the virtual model processes and validates this data according to pre-defined relationships and constraints, and then provides refined data to the analysis system. This intermediary layer ensures automated data collection maintains reliability by filtering and validating data through the virtual model's knowledge base.

Inventive Principle:
Principle #24Intermediary (Mediator)

Data Source

PatentUS11481699B2Method and device for estimating the lifecycle of a component
Publication Date: 2022.10.25 SIEMENS AG
  • US11481699B2 patent drawing
  • US11481699B2 patent drawing

AI summary

The present disclosure provides a method and device for assessing a lifecycle of a component. In an embodiment, the method includes: obtaining, using a simulation device, model description information that corresponds to component models of some or all components in the production line; obtaining at least one piece of data information that is needed by at least one component model that corresponds to the model description information; performing event marking based on the event information on the obtained data information; obtaining component status information of a corresponding component of each model based on the marked data information; and generating a corresponding analysis report based on the component status information from. An advantage of an embodiment is that, a failure mode, a key module, and a measurement rule no longer rely on manual operations and experience of an expert. Instead corresponding information may be precisely provided by using a PLM system.