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Failure Modes And Two Types Of Robustness

机译:失效模式和两种鲁棒性

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Reliability is one of the most important characteristics of a system. To be reliable arnsystem must be robust and mistake free. Robustness is achieved by avoiding failure modes, evenrnin the presence of noises that strongly tend to excite the failure modes. Basic systemsrnengineering primarily considers two-sided failure modes, such as excessive deviation from therncorrect voltage reading for a voltmeter, which can be either positive or negative; thus the namerntwo sided. In this paper we focus attention on one-sided failure modes, which occur only on onernside of the distribution for the exciting noise(s). A single one-sided failure mode is easy to avoid.rnHowever, in complex systems it is common for two or more one-sided failure modes to bernaffected by one critical design parameter in such a way that it is challenging to avoid both failurernmodes. A path to a reliable system is to open an operating window between the two one-sidedrnfailure modes.
机译:可靠性是系统最重要的特征之一。要使可靠的arnsystem必须健壮且没有错误。通过避免故障模式来实现鲁棒性,即使存在强烈倾向于激发故障模式的噪声也是如此。基本系统工程主要考虑双向故障模式,例如与电压表正确电压读数的偏差过大,可能是正值或负值;因此,名字两侧。在本文中,我们将注意力集中在单侧破坏模式上,该模式仅出现在激励噪声分布的另一侧。单一的单侧故障模式很容易避免。但是,在复杂的系统中,两个或多个单侧故障模式受一个关键设计参数的影响是很常见的,因此避免两种故障模式都具有挑战性。通往可靠系统的途径是在两个单面故障模式之间打开操作窗口。

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