BMS Virtual Emulation for Early Defect Verification
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Solution Overview
Problem
Existing battery management systems (BMS) lack effective methods for detecting malfunctions or defects during the manufacturing process, which can lead to dangerous situations such as over-charging, over-discharging, and over-heating of secondary batteries.
Innovation Solution
An apparatus and method that includes a data collecting module to gather element-specific measurement data, a virtualizing module to generate a BMS virtual model, an emulating module to perform emulation scenarios, and a data analyzing module to analyze results and determine if the BMS is defective, along with providing countermeasures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional BMS testing methods are used after manufacturing, then defect detection is possible, but detection time is delayed and costs increase
Solution Approach 1:
The patent applies preliminary action by performing defect detection through emulation before the BMS is fully manufactured or deployed. The system collects measurement data from individual elements during manufacturing, generates virtual models in advance, and performs emulation testing on these virtual models to detect defects early in the manufacturing process rather than after completion, thereby reducing detection time and costs
2Reliability
If comprehensive BMS testing is performed on manufactured systems, then defect detection accuracy improves, but manufacturing complexity and costs increase
Solution Approach 1:
The patent applies copying by creating virtual models that replicate the behavior and characteristics of actual BMS elements. Instead of performing comprehensive physical testing on manufactured BMS systems, the invention generates virtual representations based on measurement data collected during manufacturing, then performs emulation on these copies. This approach maintains high defect detection accuracy while significantly reducing the complexity and cost of the testing system
Solution Approach 2:
The patent introduces an intermediary layer between physical manufacturing and defect detection. The virtual model acts as an intermediary that bridges the gap between raw measurement data and defect analysis. By performing emulation on this intermediate virtual representation rather than directly on complex physical systems, the invention achieves accurate defect detection with reduced system complexity
3Measurement precision
If element-specific measurement data is collected for each BMS component, then virtual model accuracy improves, but data processing complexity increases
Solution Approach 1:
The patent applies segmentation by dividing the BMS into individual elements and collecting measurement data for each segment separately during manufacturing. Each element's data is used to generate its corresponding virtual model component. This segmented approach maintains high virtual model accuracy by capturing element-specific characteristics while managing data processing complexity through modular, element-level processing rather than attempting to process all data simultaneously as a unified system
Data Source
AI summary
An apparatus and method for verifying performance of a battery management system (BMS). The apparatus includes a data collecting module configured to collect element-specific measurement data of the BMS, a virtualizing module configured to generate, based on the element-specific measurement data, a BMS virtual model, an emulating module configured to perform emulation for each of multiple scenarios using the BMS virtual model and a data analyzing module configured to analyze emulation result data and output whether the BMS is defective, and output a countermeasure.