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MBRAM Analysis: Clarity for Complex Systems

MBRAM combines functional modelling with Reliability Block Diagrams (RBDs) to transform complex systems into clear, engineering-grade digital models. The functional model shows how the system behaves and how failures propagate, while the RBD captures hardware configuration and redundancy.

Together, they provide a quantifiable view of performance and reliability risk, enabling smarter design decisions, higher uptime, and more efficient lifecycle planning.

Why We Need MBRAM

  • πŸ›‘Early risk identification
  • πŸ“ŠAnalytical consistency & traceability
  • πŸ”Visibility of failure propagation
  • πŸ“˜Preservation of engineering knowledge
  • βš™οΈModel-based decision engine

Without MBRAM

  • ⚠️Hidden risks remain unnoticed
  • πŸ› οΈReactive decisions and downtime
  • πŸ“‰Loss of engineering knowledge
  • ❌Inability to manage reliability effectively

Understanding MBRAM: A Model-Based Reliability Approach

  • πŸ”—Creates an interconnected digital architecture of the physical asset
  • βš™οΈDefines system functions and dependencies through functional blocks
  • πŸ”„Shows energy, material, and information flows across components
  • πŸ“šUses standardized function taxonomy for accurate behavior modelling
  • 🧩Builds traceable, functionally validated digital components
  • ➑️Establishes causal inβ†’out flow relationships for each component
  • πŸ”Models complete physics-of-failure for each subsystem
  • πŸͺ’Builds failure chains from cause β†’ mechanism β†’ fault β†’ effect
  • πŸ“¦Organizes RBD groups: Series, Parallel, K-of-N, or hierarchical
  • 🎯Allocates reliability targets and predicts system performance
  • πŸ”—Integrates functional and RBD models for mission reliability insights
  • πŸ“ˆInputs failure/repair metrics or allocates reliability automatically
  • πŸ› οΈModels preventive & corrective maintenance impact on reliability
  • πŸ“ŠSupports RAM, RCM, FMECA, hazard propagation, and DRT evaluation
  • βœ”οΈProvides a unified, engineering-accurate lifecycle model