Virtual Model Control for Technical System RAMS Verification
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Solution Overview
Problem
Existing methods for ensuring that technical systems, particularly complex Cyber-Physical Systems (CPS), meet functional and non-functional requirements such as RAMS (Reliability, Availability, Maintainability, and Safety) are inefficient and costly, requiring human expert intervention and resulting in significant time delays.
Innovation Solution
A computer-implemented method and system that automatically controls the operation of a technical system by acquiring information about modified subsystem configurations, generating a virtual model, adjusting it to provide control instructions based on evaluations compared to target requirements in a cryptographic environment, and controlling the system's operation accordingly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If human experts are involved to assess and verify new system configurations, then the fulfillment of functional and non-functional requirements can be ensured, but significant time delays and additional costs occur
Solution Approach 1:
The patent creates a virtual model (digital twin) that copies the physical system's configuration and behavior. This virtual model can be evaluated repeatedly and quickly without involving human experts, thus reducing assessment time while maintaining verification accuracy through automated evaluation algorithms.
Solution Approach 2:
The patent replaces the mechanical process of human expert assessment with an automated computational system. The virtual model is evaluated using automated algorithms that compare system configurations against predefined requirements, substituting human judgment with machine-based verification to eliminate time delays.
2Productivity
If human experts pre-assess and pre-determine allowable system configurations, then operation permission can be granted quickly, but actually acceptable or new system configurations may be left out
Solution Approach 1:
The patent implements a dynamic evaluation system where the virtual model can be assessed in real-time against updated requirements. Unlike static pre-determined configurations, the automated system can adapt to new configurations on-the-fly, allowing both quick authorization and configuration flexibility through programmable evaluation criteria.
Solution Approach 2:
The patent allows evaluation parameters and requirements to be modified dynamically. The virtual model can be re-evaluated with changed parameters without requiring human expert re-assessment, enabling the system to adapt to new configurations while maintaining fast authorization through automated parameter-based evaluation.
3Productivity
If automated evaluation is implemented for dynamically changing applications, then time delays and costs are reduced, but the complexity of ensuring comprehensive requirements fulfillment increases
Solution Approach 1:
The patent divides the complex evaluation task into manageable segments by separating the virtual model creation from the evaluation process. The system first creates a virtual model of the system configuration, then evaluates it against specific requirements categories (functional, RAMS, etc.), breaking down the complex verification into modular, automated steps that improve efficiency while managing complexity.
Data Source
AI summary
Provided is a computer-implemented method for controlling an operation of a technical system automatically, including at least the steps of: acquiring information about a modified configuration of at least one sub-system included in the technical system; generating a virtual model of the technical system including the at least one sub-system with the modified configuration for an evaluation of the operation; adjusting the virtual model to provide a control instruction for the operation of the technical system, wherein the adjusted virtual model is configured to compare an evaluation value acquired from the evaluation with a target requirement in a cryptographic and to derive the control instruction based on the comparison; and controlling the operation of the technical system based on the control instruction.