Advantages of Weibull analysis


The primary advantage of the Weibull analysis is the ability to provide reasonably accurate failure analysis and failure forecasts with extremely small samples. Another advantage is that it provides a simple and useful graphical plot of the failure data. 

Our Software

Weibull Analysis Includes

  • Plotting the data and interpreting the plot
  • Failure forecasting and prediction 
  • Evaluating corrective action plans
  • Test substantiation for new designs with minimum cost
  • Maintenance planning and cost effective replacement strategies
  • Spare parts forecasting
  • Warranty analysis and support cost predictions 
  • Controlling production processes
  • Calibration of complex design systems
  • Recommendations to management in response to service problems

Data Problems and Deficiencys include

  • Censored or suspended data
  • Mixtures of failure models
  • Nonzero time origin
  • Unknown ages for successful units
  • Extremely small samples (as small as one failure)
  • No failure data
  • Early data missing
  • Inspection data, both interval and probit

Failure Types Include

  • Development, production and service
  • Mechanical, electronic, materials, and human failures
  • Nature; lightning strikes, foreign object damage, human error, woodpecker holes in power poles
  • Quality control, design deficiencies, defective material
  • Warranty claims

Math Modeling for System Analysis Include

  • Explicit models for independent failure modes
  • Monte Carlo simulation for dependent failure modes
  • Reliability growth, repairability, and management tracking using Crow-AMSAA models
  • Exponential, Binomial and Poisson models
  • Warranty claims models
  •  Production process control models