Reliability Assessment of Spinal Probe Electrostatic Discharge Test Based on the Inverse Power-Law Model
The article investigates the electrostatic discharge(ESD)reliability of a spinal probe.It proposes to use electrostatic discharge as the sole stress trigger for failure of the spinal probe and to conduct accelerated stress testing with electrostatic discharge.Through the analysis of test data,the inverse power-law model is used as the acceleration model,and the two-parameter Weibull distribution is used as the life model.The model parameters are estimated using the least squares method and the maximum likelihood method to establish the inverse power-law Weibull reliability model for the product.Based on this model,the electrostatic discharge reliability indicators for the spinal probe are obtained.
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