| Summary: | 碩士 === 國立臺北科技大學 === 電資碩士班 === 103 === Recently the portable electronic products have been widely accepted by consumers, and it brings the multiple usages to Lithium-ion Battery Pack. However, this trend also raised the danger of exposing Lithium-ion Battery Pack to unsuitable environment. Through the regulation of Lithium-ion Battery Pack by standard UL 2054, and the evaluation as well as test by certificate authority to ensure the safety, general consumers the electronic products can then be used with trust and confidence.
During evaluation of Lithium-ion Battery Pack, while there are various components for substitutions, “Full Factorial Experiments” method or “Trial and Error” method is typically applied. Though Full Factorial Experiments method can get comprehensive testing results, it spends more time, samples and man power. As for Trial and Error method, according to our previous experiences, it can reduce the times for testing invalidate protecting component without influencing factor combination, but it cannot guarantee that measuring temperature of Lithium-ion Battery Pack is the best answer among all factor combination.
This dissertation adopts Orthogonal Array (OA) from Taguchi’s Method. Firstly we leverage the concept of “Self-Balanced” and “Mutual-Balanced” from OA to reduce testing times, and then to adopt Taguchi’s Method for quality concept, in which the expectations of signal-to-noise ratio are used to achieve the best combination of factors (maximum temperature of Lithium-ion Battery Pack). The experiments proved that, through the proposed method, we can save time consuming, working efforts, and sample costs.
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