Reliability block diagram - Wikipedia A reliability block diagram (RBD) is a diagrammatic method for showing how component reliability contributes to the success or failure of a complex system. RBD is Understanding the Reliability Block Diagram Reliability Block Diagram. The Reliability Block Diagram (RBD) is used to identify potential areas of poor reliability and where improvements can be made to lower the failure rates for the equipment. This method can be used in both the design and operational phase to identify poor reliability and provide targeted improvements. The RBD shows the CS6323 Networks and Systems - computing | study PDF file• Reliability block diagrams, Fault trees and Reliability graphs – Integrate certain probability events into a module – Organize the modules in a “structured” way, according to the effects of each module’s failure – Commonly used in reliability, availability, or safety assessment – These model types are similar in October 1995 SYSTEM RELIABILITY PREFERRED ASSESSMENT PDF fileand operations decisions based on reliability analysis outputs, ground rules, and assumptions. Benefit: Reliability block diagram (RBD) analyses enable design and product assurance engineers to (1) quantify the reliability of a system or function, (2) assess the level of failure tolerance achieved,