在阶段应力加速寿命测试下对修改后的韦布尔分布进行参数估计,并应用于飞机风玻璃数据
Mohammed M A Almazah1, Mohammed A Alshahrani2, Qasim Ramzan3,4
1Department of Mathematics, College of Sciences and Arts (Muhyil), King Khalid University, 61421, Muhyil, Saudi Arabia.
Scientific reports
|July 11, 2025
概括
这项研究引入了新的统计方法,用于估计步压部分加速寿命测试 (SSPALT) 中的修改维布尔分布 (MWD) 参数. 这些技术增强了工程系统的可靠性分析,提高了安全性和性能预测.
科学领域:
- 工程 工程师 工程师 工程师
- 统计建模 统计建模
- 可靠性分析可靠性分析
背景情况:
- 精确的估计和可靠性分析对于系统安全性和性能在工程方面至关重要.
- 修改后的韦布尔分布 (MWD) 是有效的模拟浴形的故障率数据在工程和技术.
- 步压部分加速寿命测试 (SSPALT) 对于预测不同压力条件下的组件寿命至关重要.
研究的目的:
- 在阶段应力部分加速寿命测试 (SSPALT) 下,为修改的韦布尔分布 (MWD) 引入新的参数估计技术.
- 为了比较使用玛先验的最大概率估计器 (MLE) 和贝叶斯估计器的性能.
- 在不同的损失函数 (平方误差,一般,线性指数) 中评估估计值.
主要方法:
- 应用先进的统计技术进行参数估计.
- 使用最大概率估计 (MLE) 和贝叶斯估计与马先验.
- 进行模拟研究并与现实数据进行验证 (飞机风玻璃故障).
主要成果:
- 该研究介绍并比较了SSPALT中MWD的新型估计技术.
- 带有玛先验的贝叶斯估计器证明了对偏斜失败率参数的有效性.
- 开发的方法为可靠性工程提供了实际的工具.
结论:
- 该研究为工程应用中的可靠性分析提供了改进的方法.
- 这些发现有助于提高维护计划,风险评估和系统可靠性.
- 经过验证的技术有助于在压力下更准确地预测部件寿命.
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