MASSIVE MULTI-DIMENSIONALITY FAILURE ANALYTICS WITH SMART CONVERGED BOUNDS
First Claim
1. A computer system executing a method stored in a computer readable medium, comprising:
- a processor performing a failure region exploration through uniform sampling of plurality of variables related to a circuit;
the processor shifting probability distributions to explore failure probability;
the processor estimating the failure probability and standard deviation by determining mean and standard deviation of failure probability of a circuit;
the processor terminating sampling when a confidence interval bounds converge; and
a peripheral device providing a report on the failure of the circuit when the sampling is terminated by the processor.
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Accused Products
Abstract
A method and a system including a processor performing a failure region exploration through uniform sampling of plurality of variables related to a circuit, the processor shifting probability distributions to explore failure probability, the processor estimating the failure probability and standard deviation by determining mean and standard deviation of failure probability of a circuit, the processor terminating sampling when a confidence interval bounds converge, and a peripheral device providing a report on the failure of the circuit when the sampling is terminated by the processor.
8 Citations
20 Claims
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1. A computer system executing a method stored in a computer readable medium, comprising:
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a processor performing a failure region exploration through uniform sampling of plurality of variables related to a circuit; the processor shifting probability distributions to explore failure probability; the processor estimating the failure probability and standard deviation by determining mean and standard deviation of failure probability of a circuit; the processor terminating sampling when a confidence interval bounds converge; and a peripheral device providing a report on the failure of the circuit when the sampling is terminated by the processor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 15, 16)
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8. A system for computing and modeling the probability of a failure of a circuit, comprising:
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a processor measuring a system functionality by an indicator function based on one or more output variables and pre-given thresholds stored in a computer readable medium; the processor simulating a system behavior for a sequence of samples of random model parameters; the processor determining the probability of failure and the statistical variance of that are being evaluated at each sampling stage; and the processor terminating a sequence of the simulations when the said statistical variance is below a certain target, and a rate of change of the variance is below a threshold designed as a stopping criterion. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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17. A method computing and modeling the probability of a failure of a device, the method comprising:
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performing a failure region exploration through uniform sampling of plurality of variables related to the device; shifting probability distributions to explore failure probability; shifting probability distributions to explore failure probability; estimating the failure probability and standard deviation by determining mean and standard deviation of failure probability of a device; terminating sampling when a confidence interval bounds converge; and providing a report on the failure of the circuit when the sampling is terminated. - View Dependent Claims (18, 19, 20)
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Specification