PCB Design EMC Analysis Before Prototype Testing
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Solution Overview
Problem
The traditional PCB development process is time-consuming, resource-intensive, and costly due to the need for multiple prototype iterations to address electromagnetic compatibility (EMC) issues, which are typically identified after prototype creation.
Innovation Solution
A method and system for analyzing a PCB design by determining EMC information from the design file, identifying potential issues before prototype creation, and providing feedback for design improvements using static or machine learning algorithms.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple prototype PCBs are created and tested to identify EMC issues, then EMC compliance is improved, but development time and cost increase significantly
Solution Approach 1:
The patent performs EMC analysis on the PCB design file before any prototype is manufactured. The system extracts design parameters from Gerber files and other design data, then simulates electromagnetic fields and calculates EMC metrics in advance. This preliminary action identifies potential EMC issues during the design phase, allowing corrections to be made before production, thereby avoiding time-consuming prototype iterations.
Solution Approach 2:
The patent creates a virtual model of the PCB design by extracting geometric and electrical parameters from design files. This digital copy is then used for EMC simulation and analysis, replacing the need for physical prototypes. The virtual model accurately represents the PCB's electromagnetic characteristics, enabling comprehensive EMC assessment without manufacturing actual boards.
2Reliability
If multiple prototype PCBs are created and tested to identify EMC issues, then EMC compliance is improved, but development cost increases significantly
Solution Approach 1:
The patent uses digital copies of PCB design files (Gerber files, netlists, and other design data) to perform all EMC analysis. This eliminates the need to manufacture multiple expensive physical prototypes for testing. The virtual simulation environment provides comprehensive EMC assessment at a fraction of the cost of physical prototyping and testing.
Solution Approach 2:
The patent replaces the mechanical process of manufacturing and physically testing PCB prototypes with computational electromagnetic simulation. Instead of building physical models and measuring EMC in laboratories, the system uses software-based field calculations and analysis algorithms to predict and evaluate EMC performance, significantly reducing material and facility costs.
3Loss of time
If EMC analysis is performed on PCB design files before prototyping, then development time is reduced, but analysis accuracy may be compromised
Solution Approach 1:
The patent extracts comprehensive design parameters from PCB design files, including precise geometric data from Gerber files, electrical characteristics from netlists, and component information from BOMs. This detailed digital representation maintains high fidelity to the actual PCB, enabling accurate EMC simulation. The extraction process captures all necessary information to model electromagnetic fields with high precision.
Solution Approach 2:
The patent transforms design file data into electromagnetic simulation parameters by converting geometric patterns into field distribution models. The system adjusts and refines simulation parameters based on extracted design characteristics, ensuring that the virtual model accurately reflects the physical PCB's electromagnetic behavior. This parameter transformation maintains measurement precision while enabling rapid analysis.
Data Source
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AI summary
The present disclosure relates to a method of analyzing a PCB design comprising the following steps: obtaining a PCB design file from a user, wherein the PCB design file comprises a design of a PCB; determining EMC information of the PCB based on the design of the PCB of the obtained PCB design file; analyzing the EMC information to determine whether at least one EMC issue is detected in the EMC information; determining feedback information based on a result of the analyzing of the EMC information. The disclosure further relates to a corresponding system, computer program product, and computer-readable storage medium.