Category Archives: Blogs & Papers

The Turing Analogy in FRAM

If it quacks like a duck and walks like a duck, its probably a ———–?

Abstract

This note suggests that the Turing Machine analogy can be a valuable conceptual tool for understanding FRAM functions as active, dynamic entities within complex systems. However, its limitations, particularly regarding human variability and adaptability, caution against over-reliance on formalism. By integrating insights from cognitive systems engineering, the analogy can be expanded to better address the dual nature of socio-technical systems—leveraging both human adaptability and machine precision.
This dual perspective ensures that FRAM remains a robust framework for designing systems that are not only deterministic but also resilient, capable of navigating the unpredictability of real-world interactions.

A Turing Machine

is a theoretical model of computation invented by Alan Turing in 1936. (1) It serves as a fundamental concept in computer science and mathematics for understanding what can be computed and how computation works. While it is a simplified abstraction, it has proven to be incredibly powerful and forms the basis for modern computing theory.

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A FRAM function in the Unified Foundational Ontology

As the Patriarca paper1 suggests, the integration of the Functional Resonance Analysis Method (FRAM) with the Unified Foundational Ontology (UFO) could be a significant step forward in formalizing the conceptual underpinnings of the FRAM for safety modeling in complex socio-technical systems. FRAM has long been recognized for its ability to analyze systemic behaviour through a focus on functional interactions and variability. However, its flexibility and reliance on analyst interpretation often led to inconsistencies and subjectivity in its application. This note supports an ontological foundation for FRAM, using UFO to address these challenges and advance FRAM’s utility.

At its core, FRAM is a method designed to represent how systems perform under varying conditions. It emphasizes emergent properties and variability, acknowledging that system behaviours arise from the dynamic interplay of functions rather than linear cause-and-effect chains. Central to FRAM is the concept of functions—activities or processes—and their interdependencies, which are depicted through inputs, outputs, preconditions, and controls. These functions serve as the building blocks of FRAM models, which aim to identify and understand potential resonances—unexpected amplifications of variability—that may disrupt system performance.

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Cambrensian “Intelligent” FMV (FRAM Model Visualiser)

for estimating probabilities of outcomes in complex systems. | David Slater and Rees Hill

David Slater – dslater@cambrensis.org
Rees Hill – rees.hill@zerprize.co.nz


ABSTRACT

The Functional Resonance Analysis Method (FRAM) has emerged as a valuable tool for modeling and understanding the dynamic behaviour of complex socio-technical systems. While traditionally used as a qualitative method, recent advancements in the FRAM Model Visualizer (FMV) have introduced quantitative capabilities, enabling the systematic analysis of functional interactions and variability within a probabilistic framework. This paper explores the potential of FRAM to bridge the gap between human factors specialists, who prioritize qualitative insights, and engineers, who demand numerical rigour for system reliability and safety predictions.

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