| In
this issue: |
Issue 78,
August 2007
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Reliability HotWire is a
service of ReliaSoft
Corporation
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Hot Topics
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Analysis and Modeling of
Grouped and Opportunistic Preventive Maintenance
When planning preventive maintenance strategies,
considerations of the overall benefit for the whole system
should supersede the optimum plan for each component separately.
Maintenance plans should be addressed in a holistic way to
optimize the cost of ownership of the system. For example,
sometimes it is less expensive and more convenient to perform
preventive maintenance on a component in a system when
performing a repair action on another component in the system
rather than at the optimum time for performing the preventive
maintenance for that component. A repairable system reliability
and availability modeling and simulation tool, such as
BlockSim
7, can help model your system and assess different
maintenance strategies to determine what will be best for the
overall system. This article discusses how to model grouped and
opportunistic maintenance strategies in BlockSim.To read
more, see
http://www.weibull.com/hotwire/issue78/hottopics78.htm 
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Reliability Basics |
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Reliability Growth
Analysis with Missing or Erroneous Data
Most of the reliability growth models used for
estimating and tracking reliability growth based on test data
assume that the data represents all actual system failure times
(complete data) consistent with a uniform definition of failure.
In practice, unfortunately, things do not always work out this
way. There might be cases in which training issues, oversight,
biases, misreporting, human error, technical difficulties, loss
of data, etc. might render a portion of the data erroneous or
completely missing. Without applying "corrections" to the way
the data set is handled and the way the models and their
parameters are derived, "standard" analysis may result in
distorted estimates of the growth rate and actual system
reliability. This article discusses a practical reliability
growth estimation and analysis procedure to treat data that
contains anomalies over an interval of the test period.
ReliaSoft's
RGA 6 software is
used to perform the analysis.
To read more, see
http://www.weibull.com/hotwire/issue78/relbasics78.htm
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Tool Tips |
- How can I customize Lambda
Predict reports to meet my particular needs?
- Should I use FMEA
Hierarchy or the FMEA Worksheet in Xfmea/RCM++?
To read more, see
http://www.weibull.com/hotwire/issue78/tooltips78.htm
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Latest Software Updates |
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New service releases are now
available for
Xfmea Standard
(SR 4.0.3),
Xfmea Enterprise (SR 4.0.3) and
RCM++ (SR 4.0.3). To determine the compile revision of the
application on your computer, select About from the
Help menu.
More Software Downloads...
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Hot News |
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IIE awards ReliaSoft Scientist Dr. Harry
Guo, ReliaSoft's Director of Theoretical Development,
and his co-authors received the Best Paper Award of
Quality Control and Reliability at the Industrial
Engineering Research Conference, Nashville, Tennessee,
May 19-23, 2007, for the paper titled "Multiscale
Monitoring of Autocorrelated Processes Using Wavelets."
This paper was chosen to be the best amongst 66 others,
written by professors, engineers and some very
well-known names in Reliability and Quality Engineering,
and it thus represents a great achievement. ReliaSoft is
proud to have the best Theoretical and Research
Department in the business. |
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2007
ARS Asia Pacific - Here is a great
opportunity to mingle with the growing ranks of
reliability and quality professionals in the Asia
Pacific arena. If you have not attended this event in
the past, then we encourage you to see for yourself why
it has become such a popular and important annual event.
The International Applied Reliability Symposium -
Asia Pacific will be held at the
Orchard Hotel Singapore in Singapore on
October 25 - 26, 2007. The Symposium will focus on "sharing
applications, success stories and lessons learned in
reliability and maintainability engineering." Fact
sheets and registration information can be obtained at:
http://www.ARSymposium.org/asia/. |
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Design for Reliability (DFR)
Training
- It's not too late to sign up for a newly
released Design for Reliability (DFR) training course.
This class brings together
the entire set of methods and tools that support product
and process design (during the Product Development
Cycle) to ensure customer expectations for reliability
are fully met. ReliaSoft's RS 560 - Introduction
to Design for Reliability training course
provides an introduction to individual DFR methods, the
proper use of relevant software tools, key elements of
successful DFR programs, common pitfalls to avoid and
other useful topics. The course will be offered on
September 5 - 7, 2007 in San Diego,
California. For more details, see
http://Seminars.ReliaSoft.com/gencourses/rs560.htm. |
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Advanced System Reliability/Maintainability Analysis
Training
This advanced training seminar is available only twice
a year in the USA, so start planning now if Reliability
Block Diagramming and/or Fault Tree Analysis techniques
are important to you. Keep in mind, too, that the new
BlockSim 7
software will be used to help convey concepts, so you
are sure to get into to some fun and challenging
coursework.
RS 522 - Advanced System Reliability/Maintainability
Analysis and BlockSim will be held September
17-19, 2007
in Tucson, Arizona. For more details, see
http://Seminars.ReliaSoft.com/gencourses/rs522.htm. |
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Failure Modes, Effects & Criticality Analysis Training
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. RS 470 - Failure Modes, Effects and Criticality
Analysis
will be held September 20-21, 2007 in
Tucson, Arizona. For more details, see
http://Seminars.ReliaSoft.com/gencourses/rs470.htm
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Upcoming Public
Training Event Calendar |
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August 2007 |
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August 20
- August 21, 2007:
RS 480 Reliability Centered Maintenance
and RCM++ in
Chennai, India |
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August 27 - August 31, 2007:
MSMT Foundations in
San Diego, California |
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September 2007 |
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September 3 - 7, 2007:
MSMT Foundations in
Warsaw, Poland |
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September 5 - 7, 2007:
RS 560 Introduction to Design for
Reliability
in
San Diego, California |
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September 17 - 19, 2007:
RS 522 Advanced System Analysis and
BlockSim in
Tucson, Arizona |
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September 20 - 21, 2007:
RS 470 FMEA/FMECA and Xfmea in
Tucson, Arizona |
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October 2007 |
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October 8 - 9, 2007:
RS 401(C) Life Data Analysis and
Weibull++
in
New Delhi, India |
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October 15 - 17, 2007:
MSMT Foundations in
Manchester, UK |
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October 17 - 19, 2007:
RS 525 Advanced Probabilistic Event and
Risk Detection Analysis and RENO in
Tucson, Arizona |
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October 22 - 24, 2007:
RS 511 Reliability Growth Analysis and
RGA
in
Singapore |
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October 22 - 24, 2007:
RS 511B Reliability Growth Analysis and
RGA in
Turin, Italy |
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October 25 - 26, 2007:
RS 470 FMEA/FMECA and Xfmea in
Turin, Italy |
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October 25 - 26, 2007:
International Applied Reliability
Symposium
in
Singapore |
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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 2007 ReliaSoft
Corporation, ALL RIGHTS RESERVED
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