Reliability Block  Diagram

Complete Graphical Reliability Evaluator for Redundant System Configurations

Diagram  and Analyze Complex Redundant Systems

Relex RBD is your complete,  fully featured graphical Reliability Block Diagram evaluator. Simply place your figures on the screen, assign their properties, and connect them together! Relex RBD™s powerful Monte Carlo calculation engine does the rest providing fast, accurate reliability, availability, MTBF, and failure rate calculations.

Relex RBD is the ultimate in flexibility. You can create figures of various shapes, sizes, and colors and connect them in any way you choose. You can also span diagrams across multiple pages, allowing you to analyze very large  systems.

Relex supports a number of failure and repair distributions including exponential, normal, lognormal, Weibull, Rayleigh, and uniform, providing you with complete analysis  capabilities.

Relex RBD™s User Interface is Remarkably Intuitive

With Relex RBD™s user interface, you can quickly and easily produce complete block diagrams. In order to draw a symbol, simply select one of the available figures from the toolbar and click to paste it in your diagram. You can paste any number of figures at the same time and then connect the figures together or have Relex auto-connect them for you.

Relex RBD includes 99 levels of  undo and redo which makes it unbelievably convenient to undo changes that you have made and then redo them instantly.

Link Diagrams to the Relex Reliability Prediction Module

One of the most powerful features of Relex RBD is its ability to link figures in the RBD to items in your Relex Reliability Prediction package. Simply drag a part or assembly and drop it onto the RBD. Then, as assembly or part failure rates change, the information in  the RBD automatically changes! If repair information was entered in Relex  Maintainability Prediction, that information will automatically be available in Relex RBD. And you can even link an entire tree from Relex Fault Tree to Relex  RBD.

The  Force Behind the System: the Monte Carlo  Engine

At the core of the Relex RBD module is the highly sophisticated Monte Carlo simulation capability. It enables  Relex RBD to handle everything from basic series/parallel systems to complex, random network  configurations.

The calculation module includes  a highly intelligent decision-making ability that analyzes the diagram. It  actually features not one, but several methods of analyzing diagrams so that calculations are optimized based on system configuration. Relex determines the fastest and most efficient method of performing the computation. And because the  Monte Carlo simulation runs as a separate process, you can continue using Relex while your calculations run in the background.

Relex RBD also has a powerful algorithm to allow you to optimize the number  of spares for the elements in your designs.

As in all other Relex modules, flexibility is a key component in Relex RBD. Relex RBD can be completely customized to meet your needs. For example, you can resize figures to make them as large or as small as you like. You can change the color of the border, the fill color, and the text color. You can assign the font that  displays the information for each figure. You can decide what information you want to appear in the figure, including assembly name, part number, failure  rate, reference designator, and more.

To aid in readability (and to add some fun) Relex RBD even allows you to define bitmap pictures to appear for figures. This enables you to use descriptive bitmaps such as pictures of circuit boards, bearings, integrated circuits, and  monitors - anything you want! Plus, Relex contains a library of standard bitmaps  that you can easily supplement.

With Relex RBD, the ability to analyze the most elaborate systems is at your  fingertips!

Relex  RBD Features

   Includes powerful, intelligent Monte Carlo simulation engine

   Supports simple series-parallel network system

   Handles various failure and repair distributions including:

Exponential
Normal
Lognormal
Weibull
Rayleigh
Time-Independent
Uniform 

   Supports 99 levels of undo and redo

   Performs background calculations for efficient use of process time

   Allows creation of visually pleasing and illustrative diagrams

   Supports selection of images, fonts, sizing, and colors

   Performs reliability, availability, failure rate, and MTBF calculations

   Includes spares optimization algorithm

Learn More About Relex RBD!

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