Power Converter Component Authentication System
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Counterfeiting of electronics parts for power converters leads to revenue loss and reliability issues, as non-authorized components may not meet specifications, and reworked parts can be damaged, causing faulty operations.
Innovation Solution
A method and controller system that verifies the authenticity of power converter components by fetching identification data, performing initial and secondary verification steps against a database, and disabling the system if unauthorized components are detected, ensuring only original equipment manufacturer (OEM) parts are used.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a simple authentication method is used, then ease of operation is improved, but reliability deteriorates due to inability to verify OEM components
Solution Approach 1:
The authentication process is divided into two distinct verification steps: a first verification step that checks basic identification data format and validity, and a second verification step that performs detailed comparison with manufacturer database records. This segmentation allows the system to quickly reject obviously invalid components while thoroughly verifying suspicious ones, balancing ease of operation with reliability.
Solution Approach 2:
The system performs preliminary verification checks before full authentication. The first verification step acts as a preliminary filter that quickly validates basic identification data characteristics, preventing obviously counterfeit components from proceeding to more complex verification, thus improving overall process efficiency and ease of operation.
2Reliability
If a two-step verification process is implemented, then reliability is improved, but device complexity increases
Solution Approach 1:
The complex verification process is segmented into two manageable steps with distinct functions. The first step handles basic validation locally, while the second step performs detailed database comparison. This segmentation reduces the perceived complexity by organizing the verification process into clear, sequential stages rather than a monolithic complex system.
Solution Approach 2:
The controller acts as an intermediary between the identification data and the manufacturer database. It manages the two-step verification process, coordinating data fetching, local validation, database comparison, and final authentication decisions. This intermediary role simplifies the overall system architecture by centralizing control logic in a single component.
3Reliability
If strict OEM component verification is enforced, then reliability is improved, but loss of time increases due to additional verification steps
Solution Approach 1:
The first verification step performs preliminary checks on identification data characteristics before initiating the more time-consuming database comparison. This preliminary action quickly filters out obviously invalid components, reducing the average authentication time by preventing unnecessary full verification cycles for counterfeit parts.
Solution Approach 2:
The system performs partial verification in the first step (checking basic data characteristics) and only performs the complete verification (full database comparison) when necessary. This partial action approach reduces average authentication time while maintaining reliability, as most valid components pass the quick first step without requiring the full second step.
Data Source
Figure 1A
Figure 1B
Figure 2
AI summary
There are provided methods (100) and apparatuses for authenticating components in an electric machine. For example, there is provided a method (100) for authenticating parts of an electric machine. The method (100) includes fetching (104), using a controller, identification data associated with a set of parts and performing a first verification step (106) on the identification data, for each part in the set. The method (100) further includes performing a second verification step (114) on the identification data, in response to the first verification step (106) being successful (108). The second verification step (114) includes comparing the identification data with data from a database that includes identification information associated with manufactured parts. Furthermore, the method (100) includes, in response to one of the first verification step and the second verification step being unsuccessful (108), issuing by the controller, a command to disable the electric machine.