felsäkerhetsanalys

Felsäkerhetsanalys, or fault safety analysis, is a systematic method used in engineering and product development to identify potential defects, errors, or failures that could compromise safety. The goal is to evaluate how likely each fault is to occur and what its consequences would be, thereby allowing designers to mitigate risks before a product reaches the market.

The core of a felsäkerhetsanalys lies in the identification of failure modes – specific ways in which components or systems can malfunction. Once failure modes are catalogued, analysts assess their severity, frequency, and detectability. This quantitative approach is often expressed through risk indices such as the Failure Mode and Effects Analysis (FMEA) matrix, where each risk is scored and ranked.

During the analysis, interdisciplinary teams examine design documents, suppliers’ specifications, and real‑world failure data. Simulation tools and statistical models may be employed to estimate failure probabilities. The outcomes inform design changes, component selection, redundancies, or additional safety features. In many industries—automotive, aerospace, medical devices, and process engineering—such analyses are required by regulations and standards to gain certification.

By systematically exposing latent faults, felsäkerhetsanalys not only enhances safety but also reduces costly redesigns and recalls. Continual review of the analysis, especially after field data becomes available, ensures that safety measures evolve with changing operating conditions.