Obstacles for cognitive analogy in analysis and synthesis in microsystems development

In most cases, product development is not inventing a product completely new and from scratch, it typically either adds a few newly developed sub-functions to mainly known sub-functions, or it generates invention based on new combinations of already existing and slightly modified sub-functions. This synthesis is ideally based on a preceding and comprehensive system analysis that is necessary to define promising directions for advancement in further product development. In analysis as well as in synthesis the design engineer needs creativity—either to be able to recognize which functions are realized in a given system that is subject to analysis or to be able to think up new ways how a desired function could be realized in a system. The main cognitive mechanism for creativity is analogy and this mechanism in turn is based on schemas and mental models. In microsystems development, micro specific obstacles accrue when using analogies. In this work, the authors derive the nature and source of these obstacles and their implications on microsystems development. To overcome these obstacles, a functions catalogue is proposed. This catalogue can directly be used to add an external source for analogies during system synthesis. By transferring a method called geometrical similarity search to microsystems technology and combining it with the functions catalogue, system analysis can be supported as well.

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