The statistical analysis of geometric distribution based on type - tampered failure rate model under simple step - stress accelerated life testing 对步进应力加速寿命试验提出损伤失效率模型
( 3 ) the point estimations of parameters under the constant stress and step - stress accelerated life testing are derived in this part , respectively ( 3 )恒定应力、步进应力加速寿命试验下参数的点估计。
With the development of science technology and economy , accelerated life test becomes an important method in the field of reliability 随着科学技术和经济的发展,在产品的可靠性评定试验中,加速寿命试验成为一种主要的试验方法。
Fourthly , proposed and researched optimizing design mode of constant stress accelerated life test plans under the temperature and vibration stresses 第四,提出并研究了电连接器在环境温度和振动应力综合作用下的加速寿命试验方案的优化设计模型。
An accelerated life testing under invariable stress is often used to test the average life of those highly reliable and costly electric apparatus 对高可靠、贵重的产品人们常采用恒定应力加速寿命试验的方法来估计其平均寿命及其它各项可靠性指标。
Approximate maximum likelihood estimate and inverse monent estimates of the parameters of the tampered failure rate model for the weibull distribution in a step - stress accelerated life test 总定数先定时截尾情况下简单步进应力加速寿命试验的优化设计
Accelerated life testing ( alt ) is an important branch in reliability testing and is a focus of research both for statisticians and reliability engineers 摘要加速寿命试验是可靠性试验技术一个重要的分支,相关的研究受到了统计学界与可靠性工程界的广泛关注。
Abstract : reliability testing of silicon pressure sensor is an important research area in the world . this paper discasses the testing purpose and the methodology of accelerated life testing 摘要:硅压力传感器的可靠性测试技术研究受到了国内外的重视,对它的测试项目及其加速寿命测试方法进行了综述。
For example , the weakness in metals etc . caused by repeated stress . this article gives the point estimation of parameters based on tampered failure rate model for weibull distribution under step - stress accelerated life testing 本文是针对损伤失效率模型( tfr )模型就weibull分布产品在步进应力加速寿命试验下研究了参数的点估计。
Fourthly , through the accelerated life test of electrical connectors under vibration stress and statistical analysis of test data , verified that the reliability statistical model of electrical connectors is correct 第四,通过对电连接器进行振动应力下的加速寿命试验,并对试验数据统计分析,验证了电连接器可靠性统计模型的正确性。