File:prob-weibull-hazards.png

Figure file · Reliability

Weibull hazard rates with rate \lambda=1. Shape \beta<1 gives a falling hazard, as when weak units fail early; \beta=1 is the constant exponential hazard; \beta>1 gives wear-out. Real equipment often shows all three phases in turn, the bathtub curve.

Weibull hazard rates with rate \lambda=1. Shape \beta<1 gives a falling hazard, as when weak units fail early; \beta=1 is the constant exponential hazard; \beta>1 gives wear-out. Real equipment often shows all three phases in turn, the bathtub curve.

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Summary

Description. Weibull hazard rates with rate \lambda=1. Shape \beta<1 gives a falling hazard, as when weak units fail early; \beta=1 is the constant exponential hazard; \beta>1 gives wear-out. Real equipment often shows all three phases in turn, the bathtub curve.

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