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| In this
issue: |
Issue
37, March 2004 |
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| Hot Topics |
Software Reliability Growth
When considering reliability growth, some sort of hardware is
typically being analyzed. But the same theory and analysis procedures can also be
applied to the analysis of software. The
faults (bugs) that are found during each day's testing of the software can
be
recorded and then analyzed, just as would be done for hardware. This article will explore how software
reliability growth can be analyzed using
RGA 6.To
read more, see
http://www.weibull.com/hotwire/issue37/hottopics37.htm
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| Reliability Basics |
Overview of Fault Tree Gates (Part I)
Gates are the logic symbols that interconnect contributory events and
conditions in a fault tree diagram. The AND and OR gates, as well as Voting
OR gates in which the output event occurs if a certain number of the input
events occur (i.e. k-out-of-n redundancy), are the most basic types of
gates in classical fault tree analysis. These basic gates are explicitly provided for in
BlockSim FTI and are
described in this article along with their BlockSim implementations. Additional
gates will be introduced in next month's issue of the HotWire.To read more, see
http://www.weibull.com/hotwire/issue37/relbasics37.htm
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| Tool Tips |
|
In RGA 6, how can systems be organized while being viewed in the
Advanced System View?
Where can I find past issues of the HotWire?
To read more, see
http://www.weibull.com/hotwire/issue37/tooltips37.htm
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| Latest Software Updates |
|
New service releases are now available for
BlockSim (SR 6.2.4) and
Xfmea (SR
2.0.1). To determine the compile revision of the application on your computer,
select About from the Help menu.
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Hot News |
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Dr. Larry Crow is teaching at ReliaSoft in April – Dr. Larry Crow, the
leading authority in reliability growth and repairable systems
analysis, will be using his expertise and the newly released
RGA 6 PRO software to teach
ReliaSoft’s RS 511 course: Reliability Growth, Repairable System Data
Analysis and RGA. Scheduled for April 19-21,
this course will cover state-of-the-art methods for planning and evaluating
the reliability of complex systems during three key life cycle
phases: design, developmental testing and customer field use. RGA 6
PRO
will be used to complement and enhance the attendee's knowledge in
the area of reliability growth and repairable system data
analysis. For course details and registration information, please
visit:
http://Seminars.ReliaSoft.com/april04.htm. |
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2004 Applied
Reliability Symposium – The keynote speaker for the 2004
Applied Reliability Symposium is
United States Navy Rear Admiral
Michael C.
Bachmann. He will be presenting “The Challenge of Sustaining
Aging Naval Weapon Systems.” Rear Admiral Michael C. Bachmann is
currently assigned as the Assistant Commander for Aviation
Logistics. Prior to this assignment, he was assigned as Commander of
the Naval Air Warfare Center Weapons Division with additional duties
as the Assistant Commander for Test and Evaluation, and Shore
Station Management. For a complete list of presenters at this June
16-18 event, please visit:
http://www.ARSymposium.org/2004/2004matrix_p.htm. |
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Free Xfmea
Major Version Upgrade! – Thanks to diligent work by our
R&D staff and the great feedback from our
Xfmea users, ReliaSoft has
just announced a free major version upgrade for Xfmea.
New and enhanced features include:
- Integrated Control Plan and
Design Verification Plan and Report (DVP&R) utilities.
- Integrated Process Flow
Diagrams, Cause and Effect Diagrams and other relationship
diagrams.
- A new Database Query utility
that allows users to search multiple projects simultaneously.
- A new Import Wizard utility that
combines query and import capabilities to make it easier to build
new system configurations based on existing analyses.
- And much more…
Additional
features, benefits and examples can be viewed at:
http://Xfmea.ReliaSoft.com/version2.htm. |
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Maintain-IT
Seminars in UK this May – ReliaSoft’s distribution
partner in the UK, Maintain-IT, is currently offering practical
workshops to engineers who are interested in gaining more technical
knowledge. Topics include Maintenance Optimization through
Historical Data Analysis & Systems RAM Analysis, Reducing the Costs
of Spares and FMEA/FMECA for Maintenance, Manufacturing and Process &
Safety. Case studies and practical examples, along with software
packages provided by ReliaSoft, will be used to aid
understanding and facilitate the learning process. For detailed course
outlines, please visit:
http://www.maintain-it.co.uk. |
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Calendar
of Public Events:
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March |
Advanced System Analysis and BlockSim
Training Seminar - March 22 - 24, 2004 in
Tucson, AZ. An intensive theoretical and hands-on course
(utilizing BlockSim)
that exposes the attendee to the advanced concepts,
principles and requirements for performing detailed system
reliability, maintainability, availability and related
analyses. For more information, see
http://Seminars.ReliaSoft.com/. |
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FMEA/FMECA Analysis and Xfmea
Training Seminar - March 25 - 26, 2004 in
Tucson, AZ. This course offers an overview of FMEA/FMECA
analysis procedures with emphasis on the use of the
Xfmea software. For
more information, see
http://Seminars.ReliaSoft.com/. |
| |
April |
QALT Boot Camp – April 19
- 21, 2004 in Tucson, AZ. This intensive three day course
covers advanced topics, concepts and applications of
quantitative accelerated life testing (QALT) analysis and
ReliaSoft's ALTA PRO
software. For more information, see
http://Seminars.ReliaSoft.com. |
| |
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Reliability Growth, Repairable System
Data Analysis and RGA – April 19 - 21, 2004
in Tucson, AZ. Presented by Dr. Larry Crow, this course will
discuss state-of-the-art methods for planning and evaluating
the reliability of complex systems during three key life cycle
phases: design, developmental testing and customer field use.
Hands-on use of
RGA 6 PRO
will be used to enhance the learning process. For more
information, see
http://Seminars.ReliaSoft.com. |
| |
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Singapore – Introduction to
Reliability – April 21, 2004 in Singapore.
This one-day course provides a high level overview of
reliability engineering principles and their applications in a
maintenance centered organization. For more information, see
http://www.ReliaSoftAsia.com/seminars/index.htm. |
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Master the Subject, Master the Tools
Training Seminar (MSMT) - Life data analysis,
introduction to accelerated life data analysis and
introduction to system analysis: May 3-7, 2004 in
Tucson, AZ. For more information, see
http://Seminars.ReliaSoft.com/. |
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From the Edge |
In addition to the
monthly Reliability HotWire, ReliaSoft publishes
Reliability
Edge, a printed newsletter that includes articles and information
related to the field of reliability engineering. An article of interest in
the current edition:
- Choosing an Appropriate
Distribution to Analyze Process Variations -
This article describes a reliability analysis of various process
variations for aluminum wire bonds used in hybrid electronic modules.
It illustrates the importance of selecting an appropriate distribution
for data analysis based on an understanding of the real world factors
driving the data and calculating the mathematical best fit to the
distribution. To view the entire
article see:
http://www.ReliaSoft.com/newsletter/v4i2/delphi.htm.
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| 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. We can be reached by
e-mail at HotWire@ReliaSoft.com,
or by standard mail at 1450 S. Eastside Loop, Tucson, AZ 85710-6703, USA.
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Copyright © 2004 ReliaSoft
Corporation, ALL RIGHTS RESERVED
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