time-to-failure test
Effect of Remote Back-Up Protection System Failure on the Optimum Routine Test Time Interval of Power System Protection
... considering failure probability for remote back-up protection and monitoring ...monitoring test effectiveness and the mean time between ...monitoring test effectiveness and remote back-up ...
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Assessment of Test Performance and Potential for Environmental Contamination Associated with a Point of Care Molecular Assay for Group A Streptococcus in an End User Setting
... laboratory test, but they are especially important when evaluating a POC platform that will be used to assist in rapid patient management ...the failure rate of three different Liat analyzers used during ...
5
Estimation of auc for constant shape bi-weibull failure time distribution
... The accuracy of a diagnostic test can be explained using the Area under the Curve (AUC) of a ROC Curve.AUC describes the ability of the test to discriminate between diseased and no diseased populations. A ...
10
Life-cycle evaluation and prediction of natural rubber in lead rubber bearing for nuclear power plant
... the failure data in the actual ...life test method which shortens the failure time by applying harsher conditions than actual use environment or ...
7
Life cycle cost optimisation: integrating spare parts with level of repair analysis
... The change in formulation allows for some interesting extensions to the previous model such as resource capacity and repair probability. Resource capacity takes the maximum capacity of the tools and test equipment ...
98
The role of hardness on condition monitoring and lifing for high temperature power plant structural risk management
... component failure can be assumed to happen when ω approaches its maximum value, ...the time to failure, giving the utility some useful information about the current component ...conditions. ...
55
Some conservative stopping rules for the operational testing of saftey-critical software
... of test cases with the same statistical properties as those that would be experienced in real operational use, can be used to obtain quantitative measures of the reliability of ...a failure during the ...
23
Application of Bayesian Approach Survival Analysis of Under-five Pneumonia Patients in Tercha General Hospital, South West Ethiopia
... admission time until an event (death) due to pneumonia. Log rank test is used to compare the survival experience of different category of patients and Parametric Accelerating failure time ...
9
Reliability Analysis of Maintenance Data for Medical Devices
... the time between the last inspection or acceptance test (when there is no failure) and the end of the test is long, particularly for soft failures, there are two possibilities: ...soft ...
18
Experimental Analysis of Spatial Sound for Storytelling in Virtual Reality
... performance time differences between the three test conditions An explanation for not having significant performance time differences between the three conditions could be the genre and nature of the ...
77
Estimation of failure lifetime in plywood-to-timber joints with nails and screws under cyclic loading
... the failure lifetime of a single shear test was estimated by conducting constant-amplitude reversed cycling bending tests of a fastener for the fracture of a bend- ing-yield-type ...shear test, the ...
13
Time-dependent Predictive Values of Prognostic Biomarkers with Failure Time Outcome.
... There are two main approaches to describing the accuracy of a dichotomous marker, Y , where the binary outcome is D (e.g., diseased D = 1 versus not dis- eased D = 0). The retrospective measures are the true and false ...
20
Aesthetic testimony and the test of time
... Worries of the second kind are relatively easily dealt with. It is doubtless the case, for example, that (as discussed in, e.g., Eaton (2008: 878-9)) a number of works have been excluded from the canon – and that various ...
32
Bayesian nonparametric system reliability using sets of priors
... component failure distri- butions in a flexible way through bounds on the functioning probability for a grid of time points, and combines this information with test data in an imprecise Bayesian ...of ...
22
Mechanical properties of sugar beet root during storage
... compression test and puncture test, suggest that the failure strength of the sugar beet root increases with the storage ...puncture test, are more sensitive to the storage duration than those ...
7
Pre- to postoperative coagulation profile of 307 patients undergoing oesophageal resection with epidural blockade over a 10-year period in a single hospital: implications for the risk of spinal haematoma
... the time of epidural withdrawal, other than abnormal la- boratory test results, include liver failure or undergoing hepatic resection, major intraoperative haemorrhage or transfusion of blood ...
10
Survival Analysis Part II: Multivariate data analysis - an introduction to concepts and methods
... From a statistical viewpoint, an obvious way to choose between the two model types is to fit a type that is in keeping with the data. If the AFT model clearly fits the data better than the PH model, or vice versa, this ...
6
Comprehensive data collection for root cause failure analysis in oil and gas industries
... the time of ...the time of incident (witnesses) must be interviewed for detailed data and information collection regarding the ...the failure or incident, 2) Witness of the incident, and 3) Having ...
6
Application of a failure driven test profile in random testing
... of test cases, some research [4], [19] has been conducted to measure how evenly ART algorithms spread test cases from different perspec- ...the test case distributions of various ART algorithms were ...
35
A pilot study of a new test to predict extubation failure
... To date, the ability to tolerate 30 to 120 minutes of spontane- ous breathing has generally been considered the gold stand- ard for identifying patients that are ready for extubation. We hypothesise that it is possible ...
9