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Shock Protection of Portable Electronic Products: Shock Response Spectrum, Damage Boundary Approach, and Beyond

机译：便携式电子产品的冲击防护：冲击响应谱，损伤边界方法及其他

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摘要

The pervasive shock response spectrum (SRS) and damage boundary methods for evaluating product fragility and designing external cushioning for shock protection are described in detail with references to the best available literature. Underlying assumptions are carefully reviewed and the central message of the SRS is highlighted, particularly as it relates to standardized drop testing. Shortcomings of these methods are discussed, and the results are extended to apply to more general systems. Finally some general packaging and shock-mounting strategies are discussed in the context of protecting a fragile disk drive in a notebook computer, although the conclusions apply to other products as well. For example, exterior only cushioning (with low restitution to reduce subsequent impacts) will provide a slenderer form factor than the next best strategy: interior cushioning with a “dead” hard outer shell.
机译：参考可获得的最佳文献，详细描述了评估产品脆性和设计外部缓冲垫以保护冲击的普遍冲击响应谱（SRS）和损伤边界方法。仔细审查了基本假设，并强调了SRS的中心信息，尤其是与标准化跌落测试有关的信息。讨论了这些方法的缺点，并将结果扩展到适用于更通用的系统。最后，在保护笔记本计算机中的易碎磁盘驱动器的背景下，讨论了一些通用的包装和减震安装策略，尽管结论也适用于其他产品。例如，仅外部缓冲垫（具有较低的复原性，以减少后续冲击）将提供比次佳策略更纤薄的外形：内部缓冲垫具有“死”硬外壳。

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