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。
It is a great challenge for the manufacturer if these completing designs are highly reliable , since there are few ( or even no ) failures can be obtained by using traditional life tests or accelerated life tests 惟这些竞标的设计样式?属于可靠?产品的话，那么?用常规的寿命试验或加速寿命试验，将可能无法于一段合?的时间内获得足够的失效资? 。
It is a great challenge for the manufacturer if these completing designs are highly reliable , since there are few ( or even no ) failures can be obtained by using traditional life tests or accelerated life tests 惟这些竞标的设计样式?属于可靠?产品的话，那麽?用传统的寿命试验或加速寿命试验，将可能无法于一段合?的时间内获得足够的失效资? 。
Accelerated life testing ( alt ) and reliability growth testing ( rgt ) are summaried . based on the analysis , the theory and testing methods of accelerated reliability growth testing ( argt ) are presented in the paper 本文在分析总结加速寿命试验( alt )和可靠性增长试验( rgt )的理论基础上，建立了加速可靠性增长试验( argt )的理论与试验方法。
The step - access accelerated life testing ( ssalt ) and progressive stress accelerated life testing ( psalt ) are two kinds of effective methods which are widely used in life testing because of the development of their theories 步进应力加速寿命试验和序进应力加速寿命试验是有效和经济的寿命试验方法，随着理论的日趋成熟，在实践中开始得到应用和推广。
In this paper , we first discuss statistical model and data analyses under accelerated life testing by circular - progressive - stress when the life distribution follows log - normal distribution , then give three methods of estimators of parameters 本文在产品寿命服从对数正态分布的场合下，讨论了循环序进应力加速寿命试验模型，给出了相应参数的几种统计分析：极大似然估计；极大似然估计与回归相结合的估计；最小距离估计。
Professor elsayed has been involved in accelerated life testing since 1987 when he developed a reliability prediction model . during the last four years , he has extended his work to the degradation modeling area . members of the press and interested parties are welcome to attend 1987年， professorelsayed创立了一套可靠性预测模式，自此，他一直参与寿命加速测试的研究工作，在过去四年，他把工作范畴扩展至可靠性衰减模式的建立。
At first , the energy expression is presented for failure mechanism , and it is applied in accelerated life testing and accelerated reliability growth testing . the conditions of common failure mechanism are obtained . the essential relation between the conditions and accelerated factor ( af ) is proposed by the energy model 首先，提出了失效机理的能量表述形式，并将其在加速寿命试验与加速可靠性增长试验中进行应用，推导出了加速寿命试验与加速可靠性增长试验中产品失效机理不变的条件，以及这些条件与加速系数( a _ f )之间的本质联系。
