In this issue: Issue 104, October 2009
*Hot Topics
*Reliability Basics
*Tool Tips
*Latest Software Updates
*Hot News
*Contribute to HotWire

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Hot Topics
New Features in RGA 7 for Reliability Growth Analysis and Fielded Repairable System Analysis
RGA 7 has just been released and the software is packed with new features to support more powerful applications for reliability growth models in developmental testing and fielded repairable systems. In this article, we present a brief overview of some of the most exciting new features in RGA 7.

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Reliability Basics
Median Rank Based on Mean Order Number
In a probability plot such as the Weibull probability plot, the points represent the "observed unreliabilities," while the straight line represents the predicted values from a model. However, one cannot observe an unreliability value; only failures or suspensions can be observed. Reliability or unreliability values must be estimated from the data. Rank methods determine the way the estimated unreliabilities are associated with the failure times. The median rank method, which is used in Weibull++, estimates unreliability values based on the failure order number and the cumulative binomial distribution. To accommodate suspension data, it is necessary to adjust the order of each failure. In this article, we will provide step-by-step methods to calculate the median rank using the adjusted failure order number (mean order number).

To read more, see http://www.weibull.com/hotwire/issue104/relbasics104.htm  Read more...

Tool Tips
  • What kinds of data results can I display for my predictions in Lambda Predict 3?
  • How can I enter classification and mode data in Data Sheets in RGA 7?

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Latest Software Updates
RGA 7 has been released! More Software Downloads...
Application Date Created Version
RGA
RGA 7 9/24/09 7.0.1
Hot News
* New Software Release - RGA 7 is now available! Whether you are new to this field, or a seasoned expert in the application of reliability growth models, RGA 7 is sure to please! Developed in cooperation with Dr. Larry Crow, the leading authority in this field, and key development partners in government and industry, RGA offers exceptional value. In addition to the completely updated and enhanced user interface, RGA 7 boasts many powerful new and enhanced features related to Reliability Growth Planning and Management, Multi-Phase Analysis and Operational Mission Profiles. The software also offers new utilities for Repairable Systems Design of Reliability Tests (DRT), Monte Carlo Data Generation and SimuMatic®. Detailed product information is available on the Web at http://RGA.ReliaSoft.com.
* Call for Presenters - Opportunity awaits those who would like to use their creativity, expertise and real-world experience to garner a coveted presentation slot at the 2010 International Applied Reliability Symposium, North America, which will be held from June 15 - 18, 2010 in Reno, Nevada. The ARS committee is accepting presentation proposals until December 4, 2009. Complete details, including the required proposal form, are available for your review at http://www.ARSymposium.org/present.htm. If your presentation is selected, you will gain not only the prestige of being a presenter, but also complimentary registration to the event, an ARS logo shirt and a shot at winning one of the Excellent Presentation Awards!
* Worldwide Seminars - Every year, ReliaSoft offers an extensive curriculum of reliability training courses that provide thorough coverage of the underlying principles and theory as well as the applicable software tools. We have updated our 2010 Event Calendar just in time for you to plan ahead for next year. To review our complete worldwide training schedule for 2010, please visit http://Seminars.ReliaSoft.com/dates.htm. Our course catalog is also available for review at http://Seminars.ReliaSoft.com.
Upcoming Public Training Event Calendar
October 2009
October 19 - 23, 2009: RS 540 Reliability and Maintainability Analysis for Repairable Systems in Singapore
November 2009
November 2 - 6, 2009: MSMT Foundations in Tucson, Arizona
November 4 - 6, 2009: RS 560 Fundamentals of Design for Reliability in Bangalore, India
November 5 - 6, 2009: RS 401(C) Reliability and Life Data Analysis (Condensed) in Rayong, Thailand
November 9 - 13, 2009: MSMT Foundations in Melbourne, Australia
November 16 - 20, 2009: MSMT Foundations in Bordeaux, France
November 17 - 18, 2009: RS 475 FRACAS Principles and Applications in Tucson, Arizona
November 19 - 20, 2009: RS 490 Standards Based Reliability Prediction in Tucson, Arizona
December 2009
December 2 - 4, 2009: RS 511 Application of Reliability Growth Models in Developmental Testing and Fielded Systems in Tucson, Arizona
December 2 - 4, 2009: RS 521 Advanced Accelerated Life Testing Analysis in Tucson, Arizona
December 8 - 9, 2009: RS 490 Standards Based Reliability Prediction in Ankara, Turkey
December 14 - 18, 2009: RS 540 Reliability and Maintainability Analysis for Repairable Systems in Chennai, India
Contribute to HotWire
Contributions Welcomed
As always, your feedback and contributions are appreciated. ReliaSoft is able to provide the most user-friendly reliability software packages and support because we listen to our customers. This applies to our newsletters and publications as well. We welcome any suggestions or contributions you may have for Reliability HotWire. If you have a topic or article that you think would be useful to the readers of Reliability HotWire, feel free to contact us.
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