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In this issue: |
Issue 27, May 2003 |
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Reliability HotWire is a service
of ReliaSoft Corporation
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Hot Topics |
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Using Reliability Block
Diagrams to Analyze Dependent and Independent Failure Modes
When thinking of a
reliability block diagram (RBD), the application that most often comes
to mind is the analysis of a system based on the component
reliabilities. You can also use the same methodology for a single
component and its associated failure modes. In analyzing this scenario,
both independent (i.e. if one mode occurs, the rest are not more
likely to occur) and dependent modes (i.e. if one mode occurs,
the rest are more likely to occur) can be included. To illustrate this,
a component with multiple primary modes as well as multiple secondary
modes (sub-modes) will be considered. In addition, both independence and
dependence will be utilized.
To read more, see
http://www.weibull.com/hotwire/issue27/hottopics27.htm
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Reliability Basics |
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Throughput Analysis (Part I)
Throughput analysis allows you to analyze a reliability block diagram
(RBD) such that each component within the system is designed to process
(make) something while it is in operation. Part I of this article will
introduce some throughput metrics and terminology. In addition, some
basic analysis using throughput and how this can be accomplished in
BlockSim 6 will also be discussed. Part II will be presented in next
month's issue of the HotWire and will explore more complex
scenarios regarding throughput analysis.
To read more, see
http://www.weibull.com/hotwire/issue27/relbasics27.htm
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Tool Tips |
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In Xfmea, how can I quickly edit the records in the FMEA Hierachy
without having to open and close the properties window for each
record?
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What is the purpose of Xfmea's Check Analysis utility?
To read more, see
http://www.weibull.com/hotwire/issue27/tooltips27.htm
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Latest Software Updates |
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Xfmea
(1.0.1) has now been released. In addition, new service releases for
BlockSim (SR 6.0.6) and MPC
(SR 3.0.8) are also available. To determine the compile revision of the
application on your computer, from the Help menu select About.
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Hot News |
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Xfmea was officially released on April 30th!!! - Now
available for purchase and evaluation, Xfmea has been designed to
facilitate the FMEA/FMECA process and provide flexible data
management and reporting capabilities. Pre-release orders have been
filled. For more information, please visit our Website at
http://Xfmea.ReliaSoft.com
or contact the sales team directly at +1.888.886.0410 or
Sales@ReliaSoft.com.
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ReliaSoft's Consultants Meet a Variety of Needs - You all
know ReliaSoft as a world class developer of reliability analysis
tools. We also have an expert team of consultants who are ready to
assist you in the areas of quality and reliability engineering.
ReliaSoft consultants can provide expertise in any of the following
areas:
- Complete
Reliability Program Development
- Test and
Experiment Design
- Data Analysis
and Reporting
- Developing,
Evaluating and Communicating Reliability Requirements
- Equipment
Reliability, Maintainability and Availability Assessment
- Theoretical
Development
We realize that
under today's economic conditions, company reliability resources are
stretched to the limit and that you may not have the time to take on
another project. Whether you have a large project you can't find
time for or merely need another set of eyes to review your analysis
or report, please consider giving us a call. We would be happy to
discuss your requirements and promptly provide you with a cost and
time estimate for completion of the project. Consultant biographies
and client lists are available at
http://www.ReliaSoft.com/rsps.
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Special Thanks to the Quality Expo International Attendees
- We enjoyed the attention we received at our booth a few weeks ago
in Chicago, especially your spirited interest in Xfmea. Thank you
for stopping by to visit with us, checking out the software and
gathering information related to our various products and services.
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UK Company Utilizes ReliaSoft Tools for Public Training -
Maintain-IT is a UK-based company that offers consultancy support in
many areas of maintenance management, primarily to oil and gas,
chemicals, beverage and manufacturing industries worldwide.
Maintain-IT will host their Practical Reliability Workshop May 20
- 22, 2003 utilizing ReliaSoft's BlockSim 6 and Weibull++ 6
software.
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Training Around the World - Check for ReliaSoft training
that is available within your region of the world by using our
International Seminar Locator.
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Calendar of Public Events:
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May |
Rio de Janeiro International Reliability Symposium
- During this symposium, held May 8 - 9, 2003 in Rio
de Janeiro, Brazil, engineers will be examining current
reliability practices, issues and applications through
lectures and discussions. This symposium features experts
and practitioners from both academia and industry and is
sponsored by
ReliaSoft Brasil. View symposium details at
http://Seminars.ReliaSoft.com. |
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Master the Subject, Master the Tools Training Seminar
for life data analysis, accelerated life data analysis and
system analysis: May 19 - 23, 2003 in Tucson, AZ. For
more information, see
http://Seminars.ReliaSoft.com/master.htm. |
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June |
Reliability Training Courses at the GM Knowledge Center
- We are pleased to announce that ReliaSoft will be
providing training classes for GM employees at the General
Motors Knowledge Center in Warren, Michigan once again. Life
Data Analysis and Accelerated Life Testing Data Analysis
will be the primary topics. Course dates are June 2 - 5,
2003. For more information please contact Dennis Walters, GM
Training Coordinator, at +1.248.684.3579. Class size is
limited. GM suppliers should check with GM for class
availability. |
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From the Edge |
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In addition to the
monthly Reliability HotWire, ReliaSoft publishes Reliability
Edge, a printed journal that includes articles and information
related to the field of reliability engineering. Articles of interest in
the current edition:
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Graphical Analysis of Repair Data
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This article
presents a simple and informative plot for analyzing data on numbers
or costs of repeated repairs of a sample of products. The plotting
method provides a nonparametric graphical estimate of the mean
cumulative number or cost of repairs per unit versus age.
This article presents the basic population model for such repeated
events data and its mean cumulative function (MCF). Using a typical
data set for repair data (transmission repair data from cars on a
preproduction road test), this article shows how to calculate and
plot a sample estimate of the MCF for data from products with a mix
of ages. This is followed by an explanation of how to use and
interpret such plots. See
http://www.ReliaSoft.com/newsletter/4q2002/repair_data.htm.
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Developing a Reliability Benchmark Survey
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The University of Warwick (United Kingdom) is currently conducting a
detailed and far-reaching survey of reliability practices, the
"Benchmark Survey of Timely and Cost- Effective Application of
Reliability Techniques." Companies world-wide and across all
industries are called upon to participate. The survey has been
designed to investigate the contextual factors that lead a project
to choose specific reliability techniques. It attempts to benchmark
reliability activity according to the speed that reliability
techniques deliver useful output, the quantity and
cost-effectiveness of that output, its authority and accuracy and
the uses to which the output contributes.
See
http://www.ReliaSoft.com/newsletter/4q2002/benchmark.htm.
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Contribute to HotWire
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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 2003
ReliaSoft Corporation, ALL RIGHTS RESERVED
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