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- W27384995 abstract "Time presents systems with the considerable challenge of maintaining their integrity while adapting to change. Change and evolution are manifestations of time, while time contributes to the wickedness of many socio-technical problems. Socio-technical system design, then, must necessarily contend with time. Until now, however, our efforts to understand time have tended to focus on classifying time: we can describe an objective ‘clock time’ that exists separate from the system; an ‘event time’, which is bound within the system; and a ‘subjective’ time, dependent on the cognitive experience of the human actors in the system. We have descriptions of time, but few insights into how time affects systems. As such in design we tend to ignore time, leading to an ‘extended present’, in which we assume the present extends indefinitely into the future. Or we focus on the immediate, the real-time instant, exacerbating the phenomena of ‘shattered time’. Last, we control time in an environment separated from the messiness of the real world, creating ‘laboratory time’. Because we fail to adequately account for the nature and complexity of time—time, as one researcher puts it, is hard—we contribute to the construction of unresponsive, illfitting, and brittle systems. We need an understanding of time that breaks out of the extended present, reunites the shards of shattered time, and breaks the shackles of laboratory time. In this thesis, we use complex adaptive systems theory to derive an understanding of time and temporal behaviour. Complex adaptive systems include socio-technical systems which evince wickedness; as such, it offers insights into the deep systems dynamics of which time is but one. In particular, we need to account for temporal behaviours stemming from differential rates of change, temporal non-linearities, and synchronisation and entrainment. Employing the rationale that such systems manifest behaviour at the system level that emerges from the character and interactions of the component parts, we outline a description of Emergent Temporal Behaviour. The smallest temporal component of the system is an instance, comprising duration and temporal placement. Repeated instances form a temporal pattern. Interacting patterns generate temporal knots. The overall temporal structures we call, for want of another term, a temporal weave. Having scaffolded Emergent Temporal Behaviour, we generate from it a framework, the Temporal Analysis Framework, for use in understanding a system’s temporal behaviour. A system’s temporal behaviour may be analysed through triangulating temporal trajectories through the Framework, choosing different instances or understandings of instances, patterns, knots and weaves. We also consider design outcomes that arise as consequence of our temporal analysis. The final section of the thesis concerns three case studies, illustrating the application of Emergent Temporal Behaviour and its insights. The cases chosen are different from each other in both content and scale, illustrating both the portability and scalability of our model. The first concerns a simulation of a simple supply chain, the MIT Beer Game. In the second, we analyse the development and implementation of a university time-tabling system. In the last, we assess a macro-scale societal phenomenon, modern warfare. Our thesis provides an abstraction of time in systems for the purpose of analysis and design. By re-forging the link between time and acts, we used complex adaptive systems theory to shape a representation of Emergent Temporal Behaviour in systems. It does not negate other understandings of time—clock, event and subjective time—but helps designers to negotiate the pitfalls inherent in the extended present, shattered time and laboratory time. As such we see Emergent Temporal Behaviour as a useful complement to existing approaches to systems analysis and design. This thesis, through our model and framework, provides a new basis of understanding of time and temporal behaviour in systems, and a means to assess the same in particular systems. While our suggested model of Emergent Temporal Behaviour is not the best possible solution to an inherently wicked problem, it is, we feel, a good start." @default.
- W27384995 created "2016-06-24" @default.
- W27384995 creator A5046594738 @default.
- W27384995 date "2006-01-01" @default.
- W27384995 modified "2023-09-27" @default.
- W27384995 title "Emergent Temporal Behaviour in Socio- Technical Systems : A Framework for the Temporal Analysis of Systems and Three Case Studies" @default.
- W27384995 hasPublicationYear "2006" @default.
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