Reliability Block Diagram

Relyence
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Relyence Reliability Block Diagram Software
Quickly achieve reliable system designs with Relyence RBD software. Visualise and analyse reliability through intuitive diagramming; model connectivity and redundancy, enabling engineers to communicate availability and risk through Relyence’s integrated reporting.
Relyence Reliability Block Diagram (RBD) software enables easy modelling of complex systems, performance evaluation, and effective communication of results across teams. With a flexible diagram editor, reusable blocks, and powerful reporting, Relyence RBD enables engineers to move beyond static spreadsheets and embrace collaborative, web-based modelling. Whether you’re assessing series/parallel configurations or integrating with Reliability Prediction and Weibull analysis, Relyence RBD provides the insight and traceability you need to make confident design and maintenance decisions. Built for aerospace, automotive, electronics, and safety-critical industries.
What our customers say...
“With Relyence RBD, we can quickly evaluate redundancy and system reliability. The clear outputs support both our engineering teams and certification processes.”

Turn complex reliability analysis into clear, actionable insights with browser-based RBD software.
Our Reliability Block Diagram (RBD) software provides engineers with a powerful tool to model, analyse, and optimise the reliability of complex systems. It enables professionals to visualise potential failure paths, assess the impact of individual components on overall system reliability, and identify critical areas for improvement. Tailored for industries like Aerospace, Automotive, Electronics, and Medical Devices, this tool is essential for ensuring that designs meet stringent reliability requirements, helping to reduce downtime and enhance product safety.

Relyence RBD key features
In addition to platform-wide capabilities, each Relyence module offers unique features developed for its specific analysis method. These specialist tools ensure engineers have the right functionality at the right time, helping achieve reliable, audit-ready results with less effort.
Relyence RBD offers users the following benefits...
RBD Libraries & Block Libraries
The Reliability Block Diagram (RBD) module includes libraries that allow users to save complex diagrams and components for reuse across different analyses. This library feature enhances efficiency when working with repeated or standardised subassemblies across projects.
Relyence RBD Core Features
As part of the fully integrated Relyence platform, the RBD module benefits from a wide range of shared features. These cross-module capabilities allow engineers to save time, avoid duplication, and ensure analyses remain accurate and consistent across projects. Many of the features most valued by our customers are built-in here — visit the features section for the full breakdown.
Our RBD module shares data with the following Relyence products
Relyence RBD Integrations

Reliability Prediction
Relyence Reliability Prediction software makes it simple to calculate MTBF, model component reliability, and meet industry standards. With built-in part libraries, stress-based calculations, and integration across FMEAs, FRACAS, RBD, and Weibull, it turns raw data into actionable insights. Fully web-based, it’s designed for teams who need speed, accuracy, and collaboration in reliability analysis.
Weibull
Relyence Weibull Analysis software transforms raw life data into clear, actionable reliability insight. Fit distributions, evaluate model accuracy, and communicate results through dashboards and reports. With collaboration, approvals, and audit trails built in, it’s more than just Weibull analysis software — it’s a connected tool for better decisions across the Relyence platform.
Relyence RBD Overview
The Reliability Block Diagram (RBD) software offers a comprehensive suite of features designed to facilitate in-depth reliability analysis of complex systems. Engineers can construct detailed diagrams representing the logical interdependencies of components within a system, allowing for precise calculation of system reliability metrics. The software supports both series and parallel configurations, and advanced features such as load sharing, standby redundancy, and phased-mission modeling. By enabling the identification of weak points and potential failure modes, our RBD software aids engineers in making informed design decisions, reducing the risk of system failures, and ensuring compliance with industry standards. This tool is particularly valuable in industries where reliability is paramount, such as Aerospace, Automotive, Electronics, and Medical Devices, where it assists in mitigating risks, lowering lifecycle costs, and improving product quality.
A selection of Relyence Reliability Block Diagram (RBD) software customers
Relyence RBD Methodology
Our RBD software is grounded in established reliability engineering principles, employing methodologies such as fault tree analysis (FTA) and Markov models to simulate and predict system behaviour under various conditions, ensuring that analyses are rigorous and align with best practices in reliability engineering. By integrating these methodologies, the software empowers engineers to conduct thorough assessments of system reliability, identify potential failure modes, and develop strategies for risk mitigation, ultimately enhancing system robustness and reliability.
Relyence RBD... is it the right choice for you?
Next Steps
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