reliability-engineering

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• cms89jp1u003173fkg7vhq8it← SERVES

  Fault-tree-analysis is a deductive analytical method whose designed purpose is to support reliability-engineering by identifying failure modes and their combinations. Law 8d SERVES: the servant (fault-tree-analysis, the method) points at the master (reliability-engineering, the discipline it serves). The removal test: remove reliability-engineering as the practice, and fault-tree-analysis still operates — so it is not DEPENDS_ON. It is not INSTANCE_OF either: a method is not a discipline.

• cms89q7e2003y73fk5w1x89gt← SERVES

  Safety-culture is built and maintained for the sake of reliability-engineering: a strong safety culture creates organizational conditions where reliability practices (fault-tree-analysis, root-cause-analysis, hazard-analysis) can actually operate. The servant (safety-culture as cultural enabler) points at the master (reliability-engineering as the practice it sustains). Law 8d.

• cms883nr100351c4rlyyeywus← SERVES

  hazard-analysis is built and maintained for the sake of reliability-engineering: by systematically identifying and characterizing hazards and their causal chains, it produces the foundational input that reliability-engineering needs to design safeguards, failure-tolerant architectures, and risk-mitigation strategies.

• cms8amq3u008d73fkvfa4sm5s← SERVES

  fault-tolerance is built and maintained for the sake of reliability-engineering: its design approach to continued operation under component failure produces the core outcome that reliability-engineering aims to achieve. Correct SERVES direction — servant (fault-tolerance) points at master (reliability-engineering).

• cmsivlvjw019vnobppdslp0pi← DERIVED_FROM

  Single-point-of-failure analysis emerged from reliability engineering practice in the 1960s aerospace and nuclear industries. Reliability engineering as a discipline predates the SPOF concept and fed into it through fault tree analysis and reliability block diagrams.

• cmsizlfri01lznobpilx17o0e← SERVES

  MTBF is built and maintained for the sake of reliability engineering: its designed purpose is to quantify system durability so reliability engineers can assess, compare, and improve system designs. The servant (MTBF) points at the master (reliability-engineering).

• cmsj4aij5020unobp2g2nu7f5← SERVES

  FMEA is designed for the sake of reliability-engineering: its purpose is to identify and prevent failure modes that undermine system reliability. The servant (FMEA) points at the master (reliability as a goal).

• cms89jp1u003173fkg7vhq8it← INSTANCE_OF

  A fault tree analysis is a specific kind of reliability-engineering practice — a systematic, top-down method for analyzing system failures. A competent speaker would describe FTA as 'a reliability-engineering technique.' The direction is specific→general (Law 9).

• cmsjc7ill02o6nobp0q4x1mcj← SERVES

  Fault injection is a technique maintained for the sake of reliability engineering: it provides the empirical data about system failure modes that reliability engineers need to design resilient systems. Per Law 8d, the servant (fault-injection) points at the master (reliability-engineering).

• cmsjc7ill02o6nobp0q4x1mcj← INSTANCE_OF

  Fault injection is a specific kind of reliability-engineering practice: a technique for assessing system resilience by introducing failures. Per Law 9, specific→general. It is a reliability engineering method, not just something that serves it.

• cmsj7rxv402bcnobpg6jkh9sl← SERVES

  Monitoring is designed and maintained for the sake of reliability engineering: it provides real-time visibility into system health, detects anomalies early, and feeds data into reliability practices like SRE. The purpose by design is to further reliability engineering operations.

• cmsinj44w00k3nobpqlkg56fe← SERVES

  Observability is built for the sake of reliability engineering: by making internal system states inferable from external outputs, it enables reliability engineers to diagnose failures, understand system behavior, and improve resilience. Purpose by design.

• cmsjjhw7k036wnobptubx3eqi← SERVES

  Condition-based monitoring is practiced for the sake of reliability engineering — it provides the condition data that reliability programs use to optimize asset performance.

• cmsjgkdzd02ydnobpmw5s3uzx← SERVES

  Predictive maintenance is designed for the sake of reliability — forecasting failures enables reliability engineering to minimize unplanned downtime and optimize lifecycle cost.

• cms869e90010sh6s889ng2yh7← DERIVED_FROM

  failure-mode-analysis (e.g. FMEA, FTA) is a systematic technique derived from reliability engineering. Reliability engineering existed first as a discipline focused on system dependability; failure-mode analysis is a specific methodology developed within and derived from that field.