Advantages of Weibull analysis

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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