3 May 2012 Hierarchical decomposition considered inconvenient: self-adaptation across abstraction layers
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Hierarchy may be difficult, if not impossible, to avoid either in natural or artificially engineered systems. Nevertheless, hierarchical decomposition can be considered inconvenient in a number of ways that interfere with the construction of adaptive systems capable of full exploitation of unexpected opportunities in an operational environment. This paper will briefly review some of those inconveniences and suggest principles by which to circumvent them while maintaining the obviously beneficial, and perhaps inevitable, paradigm of hierarchical decomposition of engineering designs. The paper will illustrate the introduced principles by appeal to an example auto-adaptive flight controller for an insect-scale flapping-wing micro air vehicle. The paper will conclude with discussion of possible future applications and methodological extensions.
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John C. Gallagher, John C. Gallagher, "Hierarchical decomposition considered inconvenient: self-adaptation across abstraction layers", Proc. SPIE 8402, Evolutionary and Bio-Inspired Computation: Theory and Applications VI, 840202 (3 May 2012); doi: 10.1117/12.922786; https://doi.org/10.1117/12.922786

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