随着深亚微米工艺的广泛应用,瞬态故障已成为芯片失效的主要原因。
Since deep submicron manufacturing process is widely used in microprocessors, transient faults have become the main source of chip faults.
从而实现机组三维转速谱阵图瞬态振动特征的自动提取和故障识别与诊断。
Therefore, the automatic extraction of features of waterfall diagrams, and the identification and diagnosis of fault are realized.
本文讨论了基于柴油发动机瞬态转速波形和气压扭矩波形对柴油机气缸内故障进行诊断的方法。
A diagnostic method for diagnosing a diesel engine cylinder faults according the engine transient speed waveform and gas pressure torque waveform is presented in the thesis.
根据专家经验由假设建立一个候选集,每个候选故障的行为都是由与状态相关的瞬态分布征兆序列描述的。
A candidate set is set up with hypothesis according to experts experience, and the behaviors for each candidate fault are described by the temporally distributed symptoms relevant to the state.
瞬态电流测试可以检测一些用电压测试和稳态电流测试不能检测的故障。
Dynamic current testing can detect some faults that cannot be detected by voltage based test method and quiescent current test method.
通过瞬态动力学分析得到钻柱在瞬态冲击下的应力、位移变化规律,为故障的发生点提供理论仿真依据。
Obtained Stress, displacement variation of oil drill through the analysis of transient dynamics, Point to the occurrence of failure to provide the theoretical basis for simulation.
讨论了一般机械在瞬态过程和稳态过程中所呈现出的不同振动特性,提出了基于瞬态过程分析机械故障诊断的必要性。
This paper analyzes the necessity of fault diagnosis in transient procedure and discusses the different vibration characteristics in transient and stable procedures.
这种方法克服了稳态电流测试方法测试频率低、瞬态电流测试方法对测试仪要求过高等问题,它能以电路的工作频率对电路进行测试,测试结果更准确,可以检测多种类型的故障。
By using it, the test can be done at the operation frequency of circuits under test, therefore results of the test can be more precise and this method can detect different types of faults.
提出基于小波尺度图重分配的信号瞬态特征检测方法和瞬时能量估计方法,并应用于轴承在多种轻微故障状况下的振动非平稳特征的检测与表示。
The singal transient feature detection represent method, and a transient energy evaluation method are used based on the reassigned scalogram for the vibration non-stationary feature representation.
在太空环境中,由于宇宙射线的存在,计算机系统的硬件经常发生各种瞬态或永久故障,致使软件系统的执行流程产生错误。
Computer systems operating in space environment are subject to different radiation phenomena, whose effects can be permanent or transient, and these effects may lead to a control flow fault occurring.
在太空环境中,由于宇宙射线的存在,计算机系统的硬件经常发生各种瞬态或永久故障,致使软件系统的执行流程产生错误。
Computer systems operating in space environment are subject to different radiation phenomena, whose effects can be permanent or transient, and these effects may lead to a control flow fault occurring.
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