Complexity International      /vol06/jefferies/ © Copyright 1998     
Volume 6 Received: 
Accepted: 
01 Jul 1998
15 Oct 1998



The Variable Structure System: Intermittency, Chaos, and Trapping in Electronic Experiments and Simulations

D.J. Jefferies, J.H.B. Deane

Abstract
     The concept of a Variable Structure System (VSS) ,Êin which the structure is determined by the dynamical response, is described and measurements and simulations on VSSs comprising electronic systems which display bursty chaotic Êor ``intermittent" Êbehaviour, and also on a network traffic Êtransfer protocol, which is demonstrated to be a VSS in the same sense, are used to support the thesis that such bursty behaviour is common in such systems. An example of trapping in a two-centre system is given to show that the ideas can be extended to continuous-variable dynamical systems Êhaving piecewise-linear properties. The studies of these simple electronic Êsystems provide insight for cases where similar behaviour of a time series is observed in other complex systems; Êsome other VSSs are listed and their properties are considered.


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