Check Out This Month's Hot Topic

Optimum Preventive Maintenance Replacement Time in Clusters Using BlockSim

In certain cases, replacing a component preventively (i.e., before it fails) may make better economic sense than replacing the component correctively (i.e., when it fails). For any given component, you must first determine whether preventive replacement is appropriate; if it is, then the next task is to identify the best time to replace the component. Earlier articles in Reliability HotWire and Reliability Edge have discussed issues surrounding optimum replacement times, such as choosing the optimum maintenance interval and optimum preventive maintenance replacement time for a single component. However, those articles focused on determining the best maintenance strategy for a single component. When a system consists of multiple components, it may be cheaper and/or more efficient to perform preventive maintenance and replacements in clusters. This article will discuss using BlockSim to determine optimum preventive maintenance replacement time in groups via a simple example.


Read the Latest Reliability News

Just Released: Reliability 3.0 Seminar Videos!

We are pleased to announce the release of the long-awaited Reliability 3.0: Faster, Better, Cheaper video series. The entire Reliability 3.0 Seminar was recorded live and is now available for you to experience free of charge. Join Pantelis Vassiliou, ReliaSoft’s CEO and world-renowned expert in reliability engineering, to get an exclusive inside look at this new process that will truly revolutionize how we approach reliability engineering. For easier viewing, the Reliability 3.0 seminar series is offered in 5 video parts and can be found at


Exhibitor and Sponsorship Opportunities are Available at ARS

Is your organization looking for more awareness within the reliability community? As the world’s foremost applied reliability conference, the Applied Reliability Symposium attracts the most influential users and decision makers from customer organizations around the world. This year, ARS North America will be held in the dynamic city of Indianapolis, Indiana on June 3 – 5th. Sign up as soon as possible to secure your spot! For more information, contact For additional international opportunities to sponsor/exhibit, visit the ARS website.


Call for Presenters – ARS Asia Pacific

The ARS committee is currently soliciting presenters for the 2014 ARS Asia Pacific, which will be held in Shanghai, China on November 5 - 7, 2014. The deadline to submit your proposals is April 4, 2014. If you are interested in learning more about this opportunity, please review the instructions at


ReliaSoft Poland Office Expands to Accommodate Growth

After eight years of continuous and solid growth since establishing a regional center in Warsaw for the Europe, Middle East and Africa (EMEA), ReliaSoft’s wholly owned subsidiary in Poland has purchased a larger office space to fulfill the corporation’s needs and promote further expansion. For more information, you can read the entire press release at


ReliaSoft at RAMS

Thanks to everyone who visited our booth at the Annual Reliability and Maintainability Symposium (RAMS) held last month. It is always great seeing our reliability friends and making new ones! We value our customers and appreciate the continued support. The papers presented by ReliaSoft personnel and affiliates this year are now available for download at

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