What is System Maintainability Analysis?

Maintainability is defined as the probability of performing a successful repair action within a given time. In other words, maintainability measures the ease and speed with which a system can be restored to operational status after a failure occurs. This is similar to system reliability analysis except that the random variable of interest in maintainability analysis is time-to-repair rather than time-to-failure. For example, if it is said that a particular component has a 90% maintainability for one hour, this means that there is a 90% probability that the component will be repaired within an hour. When you combine system maintainability analysis with system reliability analysis, you can obtain many useful results concerning the overall performance (availability, uptime, downtime, etc.) that will help you to make decisions about the design and/or operation of a repairable system.

System Maintainability Analysis Software from ReliaSoft

ReliaSoft Corporation provides a complete array of software tools for reliability modeling and analysis. This includes the BlockSim software for system analysis using a Reliability Block Diagram (RBD) or Fault Tree Analysis (FTA) approach.

Software Features

BlockSim supports an extensive array of reliability block diagram (RBD) configurations and fault tree analysis (FTA) gates and events, including advanced capabilities to model complex configurations, load sharing, standby redundancy, phases and duty cycles. Using exact computations and/or discrete event simulation, BlockSim facilitates a wide variety of analyses for both repairable and non-repairable systems. This includes:

  • System Reliability Analysis
  • Identification of Critical Components
  • Reliability Optimization
  • System Maintainability Analysis (Determine Optimum Preventive Maintenance Intervals, etc.)
  • System Availability Analysis (Calculate Uptime, Downtime, Availability, etc.)
  • Throughput Calculation (Identify Bottlenecks, Estimate Production Capacity, etc.)
  • Resource Allocation for Maintenance Planning
  • Life Cycle Cost Analysis

Product Info in Multiple Languages

Upcoming System Maintainability Analysis Training Seminars

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February 2012
February 24, 2012: RS 403 Introduction to System Reliability / Maintainability Analysis in Tucson, Arizona
March 2012
March 13 - 15, 2012: RS 522 Advanced System Reliability / Maintainability Analysis in Tucson, Arizona
April 2012
April 20, 2012: RS 403 Introduction to System Reliability / Maintainability Analysis in Tucson, Arizona
April 20, 2012: RS 403 Introduction to System Reliability / Maintainability Analysis in Berlin, Germany
May 2012
May 8 - 10, 2012: RS 522 Advanced System Reliability / Maintainability Analysis in Bordeaux, France
May 18, 2012: RS 403 Introduction to System Reliability / Maintainability Analysis in Singapore
June 2012
June 15, 2012: RS 403 Introduction to System Reliability / Maintainability Analysis in Senigallia, Italy
August 2012
August 24, 2012: RS 403 Introduction to System Reliability / Maintainability Analysis in San Diego, California
September 2012
September 18 - 20, 2012: RS 522 Advanced System Reliability / Maintainability Analysis in Tucson, Arizona
September 21, 2012: RS 403 Introduction to System Reliability / Maintainability Analysis in Stockport, United Kingdom
October 2012
October 26, 2012: RS 403 Introduction to System Reliability / Maintainability Analysis in Tucson, Arizona
November 2012
November 2, 2012: RS 403 Introduction to System Reliability / Maintainability Analysis in Melbourne, Australia
November 16, 2012: RS 403 Introduction to System Reliability / Maintainability Analysis in Bordeaux, France
February 2013
February 22, 2013: RS 403 Introduction to System Reliability / Maintainability Analysis in Tucson, Arizona