نتایج جستجو برای: fault density 0054

تعداد نتایج: 472908  

2015
Long Zhang Wen-yi Huang Guo-liang Xiong Ji-hui Zhou

Rolling bearing performance degradation assessment has been receiving much attention for which itscrucial role to realize CBM(condition-based maintenance).This paper proposed a novel bearing performance degradation method based on TESPAR(Time Encoded Signal Processing and Recognition)and GMM(Gauss Mixture Model). TESPAR is used to extracted features which constitute A-matrix. GMM is utilized to...

2007
Shalini Ghosh Patrick D. Lincoln

New bottom-up techniques can build silicon nanowires (dimension < 10 nm) that exhibit remarkable electronic properties, but with current assembly techniques yield very high defect and fault rates. Nanodevices built using these nanowires have static errors that can be addressed at fabrication time by testing and reconfiguration, but soft errors are problematic, with arrival rates expected to var...

2010
Chaochao Chen George Vachtsevanos Marcos E. Orchard

Machine remaining useful life (RUL) prediction is a key part of Condition-Based Maintenance (CBM), which provides the time evolution of the fault indicator so that maintenance can be performed to avoid catastrophic failures. This paper proposes a new RUL prediction method based on adaptive neuro-fuzzy inference systems (ANFIS) and high-order particle filtering, which predicts the time evolution...

2007
Thara Angskun George Bosilca Jack J. Dongarra

The number of processors embedded in high performance computing platforms is growing daily to solve larger and more complex problems. The logical network topologies must also support the high degree of scalability in dynamic environments. This paper presents a scalable and fault tolerant topology called binomial graph (BMG). BMG provides desirable topological properties in terms of both scalabi...

Journal: :IEEE Trans. Software Eng. 1993
Yashwant K. Malaiya Anneliese Amschler Andrews Pradip K. Srimani

The fault exposure ratio K is an important factor that controls the per-fault hazard rate, and hence the effectiveness of testing of software. The paper examines the variations of K with fault density which declines with testing time. Because faults get harder to find, K should decline if testing is strictly random. However, it is shown that at lower fault densities K tends to increase; we expl...

Journal: :Entropy 2013
Liping Yin Li Zhou

In this paper, the fault detection in uncertain multivariate nonlinear non-Gaussian stochastic systems is further investigated. Entropy is introduced to characterize the stochastic behavior of the detection errors, and the entropy optimization principle is established for the fault detection problem. The principle is to maximize the entropies of the stochastic detection errors in the presence o...

Journal: :American journal of clinical pathology 2010
Yan Chen Tao Han Javeed Iqbal Richard Irons Wing C Chan Xiongzeng Zhu Kai Fu

In diffuse large B-cell lymphoma (DLBCL), BCL2 expression usually correlates with the t(14;18) (q32;q21) in germinal center B-cell (GCB) subtype and with gain/amplification of chromosome 18q21 in the activated B cell-like subtype. Studies have suggested that the GCB subtype is less common in Chinese than in Western populations. We studied 124 Chinese DLBCL cases using immunohistochemical, conve...

Journal: :IEEE Design & Test of Computers 1999
Michael Redeker Bruce F. Cockburn Duncan G. Elliott

capacity of monolithic dynamic randomaccess memories (DRAMs) has increased by six orders of magnitude through a combination of design innovations and improvements of existing technology.1,2 Design innovations include the folded bit-line cell array arrangement and compact, high-capacitance, threedimensional cell designs such as the stacked capacitor and trench capacitor cells. Technology improve...

2007
Matthew Haney Roel Snieder Jean-Paul Ampuero Ronny Hofmann

S U M M A R Y The presence of fault-plane reflections in seismic images, besides indicating the locations of faults, offers a possible source of information on the properties of these poorly understood zones. To better understand the physical mechanism giving rise to fault-plane reflections in compacting sedimentary basins, we numerically model the full elastic wavefield via the spectral elemen...

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