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The Weibull is simply a data-fit routine.ĭr. Sense as a Normal, Log-normal, Raleigh, Exponential, or a host of otherĭistributions. Important to understand that a Weibull routine is not a distribution in the same In most instances, this is, by far, the most accurateĪnd dependable representation of failure (or any occurrence) data. The Weibull procedure represents your data as it is, For example, degeneration of automobile shock absorber performance, can cause premature tire failure. Also, deterioration in performance of one component, even though not having yet failed, can easily contribute to the failure of different component.
We are usually observing individual failures due to multiple causes. Words, any reasonably complex piece of equipment, or even one of it'sįailure distribution shape that exactly matches one of the traditional shapes.
Population characteristics, is simply a recognition of the fact that populationsĪre rarely 100% normal, binomial, or exponential and so on. You've assumed to be distributed exponentially comes out with a Weibull shapeįactor of about 3.0, you'd best revisit your assumption.Īddition, use of any of the Weibull analysis routines to accomplish estimates of Shape factor of 2.0 is a Raleigh distribution, while a Weibull shape factor ofĪbout 3.0 or above represents an approximately normal distribution. Routine reveals, rather than masks, the correct shape of the data's density curve.Ī Weibull shape factor of 1.0 represents an exponential distribution. However, the Weibullĭistribution is unique in that its density curve is fitted to the data, as Why Weibull? This program gives you a choice between multiple distributions. This is almost more important than preventing failure of a finite-life component. This is also referred to as designing in forgiveness should a component fail. One must also deal with the consequence of the failure to make sure it is contained by backups. Another very important point to note is that, especially when human life is involved, component failure prevention isn't enough. Printouts in a form that is understandable to non-technical management andĬo-workers as well as technical professionals, we believe you've come to theĪre compatible with all serious major industry and military standards. Meaningful results for anything from heart valves to jet aircraft, with report
Weibull distribution reliability download#
James McLinn, ASQ, CRE has been of immeasurable help in the early development years of this software.ĬLICK THIS LINE TO DOWNLOAD WEIBULL-DR AS A 45-DAY DEMO OR We'd like to thank Edgar Bradley, Pr.Eng, MSc, of Bradley C&E and author of the book "Reliability Engineering: A Life Cycle Approach" for his multiple useful suggestions and encouragement in this effort. The reason for this is because we became convinced our competition tends to make this subject appear to be much more complicated than it really is. In addition, we are positioning our program as a much more practical, most definitely easier to learn and use, alternative to our most significant competitor's flagship program. It appears as though a number of the most useful bells and whistles for which they charge extra, are already included in Weibull-DR as integrated components of our standard package. Email us at reviewed the websites of some our most significant competitors. In addition, these routines that are truly unique and original are copyrighted.
Only site where you can download a legitimate copy of Weibull-DR. You can then re-download the latest version and we'll can send you a
Weibull distribution reliability trial#
If you believe you have a legitimate need for more trial time, give us a call. The trial version is a fully armed and completelyįunctional program.
Weibull distribution reliability upgrade#
It can be downloaded now as an upgrade to licensed The latest program upload is as of September 19, 2021. This program was created by research, design, test, reliability, and processing engineers for use by research, design, test, reliability, and processing engineers.
Weibull distribution reliability professional#
Professional Reliability Analysis Routines and Reports
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