范文编号:GY092 范文字数:15589.页数:29 摘要 随着电子科学技术的迅猛发展,电子产品在国防工业、农业、商业、科研和民用等方面的应用也越来越多,市场竞争也越来越激烈。电子产品除了功能上达到要求之外,最重要的就是可靠性问题。可靠性是产品在规定的时期内、规定的条件下,完成所要求的功能的一种能力。现代电子产品中包含大量的对电磁干扰特别敏感的数字电路,越来越多的CPU也被嵌入到产品中,这样就很容易使电子产品的可靠性减弱,甚至失效。可靠性是电子产品最基本的要求,达不到可靠性要求的产品,基本上相当于废品。电子产品的可靠性问题涉及面广,是一个复杂的系统工程。电子产品系统是否可靠运行关键取决于产品可靠性的合理系统设计,产品规范生产及产后检验。这样就可以大大减少电子产品运行故障率,提高其可靠性。本文将简要综述电子产品可靠性分析方法的研究及实践现状,分析其中的优劣处,并提出基于数理统计可靠性分析方法。利用该方法对电子产品的设计,制造和检测三个阶段进行应用,并提出各个阶段改进可靠性的途径。最后,举例说明该方法的运用。 关键词:电子产品、可靠性、数理统计、分析方法、应用
ABSTRACT Along with electron science and technology swift and violent development, electronic products in the defense industry, agriculture, commerce and scientific research civilian applications and so on are more and more , market competition has become fiercer. The reliability is a product completes function one kind of ability which requests in the stipulation time, under these tipulation conditions. Modern electronic products contain a lot of the digital circuit is particularly sensitive to electromagnetic interference, more and more many CPU is inserted to the product, then can easily lead to reduced reliability of electronic products, or even failure. Reliability is the basic requirement of electronic products, could not achieve the reliable request the product basically is equal to the waste product. The electronic products reliable involving a wide range area, it is a complex systems engineering. The electronic products system whether reliable running is key decided by the product reliable reasonable system design, product standard production and post-natal examination. This can greatly reduce the failure rate of electronic products operation, improve its reliability. This article briefly summarizes the research and practice situation of electronic products in reliability analysis, to analyze the pros department, and proposes the reliability analysis method based on mathematical statistics. Using this method to carry on the application in the electronic products design, manufacturing and testing, and proposes the way stage of improvement reliable. Finally, to explain the method used with illustrations. KEYWORDS: electronic products reliability mathematical statistic analysis method application 正文目录 第一章 引言 1
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