In this issue:

Issue 72, February 2007

*Hot Topics
*Reliability Basics
*Tool Tips
*Hot News
*Contribute to HotWire

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Hot Topics

You Have a Small Data Set: What Do You Do?
Engineers are no strangers to the pressures of making decisions based on little information and in compressed time frames-- for many engineers, it is almost the norm. The high cost of reliability testing and the need to get to market before competitors often leave data analysts and engineers with less than satisfactory data. Many data sets comprise no failures at all, only a few failures or a few failures and many suspensions (surviving units). If you are one of these engineers who understand these pressures and wonder how you can produce good reliability estimates with such small data sets, read on. This article presents an array of approaches that can be used to analyze small life data sets with Weibull++.

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Reliability Basics

Basic Steps of Applying Reliability Centered Maintenance (RCM) Part I
The previous issue of Reliability HotWire reflected on the philosophy and perspective that Reliability Centered Maintenance (RCM) brings to the field of maintenance. This article begins to present the system analysis process that is used to implement an RCM program.

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Tool Tips
  • Is there a quick way to create or update a re-usable "Phrase Set" based on an existing analysis in Xfmea/RCM++?

  • How does RENO's conditional formatting work?

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Hot News

International Applied Reliability Symposium 2007 Program Matrix Available - The 2007 ARS, North America Program Matrix has been officially posted. With over 20 reliability professionals presenting their real-life experiences, this is an event that no reliability professional will want to miss. This year's North American Symposium will be held June 2022, 2007 at the Catamaran Resort on Mission Bay in San Diego, California. ARS provides a forum for expert presenters from industry and government to come together with reliability practitioners from all over the world to discuss the application of reliability principles to meet real world challenges.
Please take advantage of the ARS early registration (
$200.00 savings), available only until April 20, 2007:


ARS 2007 Sponsorship Sponsoring the International Applied Reliability Symposium is a creative way to help your company demonstrate its commitment to reliability engineering. The ARS 2007 introductory sponsorship package provides your company with targeted visibility while also allowing a number of your engineers to attend the event at no additional cost. Send a quick message to if you are interested in benefiting your company and the engineering team with this simple solution.


Certified Reliability Professional (CRP) Program - The Certified Reliability Professional (CRP) program has been designed to distinguish professionals who have gained and successfully demonstrated unquestionable expertise in the field of Reliability Engineering. To achieve certification, candidates must complete a series of training courses focused on important Reliability Engineering topics, successfully apply the learned body of knowledge in the workplace and publicly present this expertise in an industry conference or journal. For more information, see


Advanced System Reliability/Maintainability Analysis and Failure Modes, Effects & Criticality Analysis Training - ReliaSoft will be offering System Reliability/Maintainability Analysis and FMEA training in March 2007. You can sign up online for any of our scheduled courses at

  • RS 522 Advanced System Reliability/Maintainability Analysis and BlockSim - March 26-28
    This course presents advanced concepts and applications for system reliability, maintainability and availability analysis and optimization utilizing a reliability block diagram (RBD) approach, with hands-on examples using ReliaSoft's BlockSim software. Topics include load sharing, standby, preventive maintenance, availability analysis, and more. [See scheduled dates]

  • RS 470 Failure Modes, Effects and Criticality Analysis - March 29-30
    This course introduces the concepts and procedures for FMEA/FMECA with an emphasis on the use of ReliaSoft's Xfmea software for data capture, analysis and reporting. Topics include analysis process, risk assessment methods, APQP integrations, project success factors, and more. [See scheduled dates]

Public Training Event Calendar
February 2007
February 19 - 23, 2007: MSMT Foundations in Milan, Italy
February 19 - 23, 2007: MSMT Foundations in Tucson, Arizona
March 2007
March 1 - 2, 2007: RS 440 Reliability Analysis (Electronics) in Philippines
March 12 - 16, 2007: RS 540 Repairable Systems Analysis in Bangkok, Thailand
March 14 - 16, 2007: RS 521 Advanced QALT in Frankfurt, Germany
March 26 - 30, 2007: MSMT Foundations in Malaysia
March 26 - 28, 2007: RS 522 Advanced System Analysis in Tucson, Arizona
March 29 - 30, 2007: RS 470 FMEA/FMECA in Tucson, Arizona
April 2007
April 11 - 13, 2007: International Applied Reliability Symposium in Frankfurt, Germany
April 19 - 20, 2007: International Applied Reliability Symposium in Chennai, India
April 23 - 27, 2007: MSMT Foundations in Tucson, Arizona
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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