Double Synchronous-Step-Down-Stress Accelerated Life Testing Method
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摘要: 针对现有的双应力交叉步降加速寿命试验时间长、效率低的问题,提出一种双应力同步步降加速寿命试验方法。该试验方法将两加速应力以同步步降的方式逐级下降,使其形成一种斜坡式下降轨迹,从而提高试验效率,改善整个试验状态。并采用Monte Carlo方法,对寿命服从Weibull分布的产品进行双应力同步步降加速寿命试验仿真模拟。结果表明,该试验方法比双应力交叉步降加速寿命试验方法更能缩短试验时间,提高试验效率。
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关键词:
- 加速寿命试验 /
- 交叉步降 /
- Monte Carlo /
- 同步步降 /
- Weibull分布
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