Elements of information theory
Elements of information theory
Device Representation-The Significance of Functional Knowledge
IEEE Expert: Intelligent Systems and Their Applications
Function and behavior representation in conceptual mechanical design
Artificial Intelligence for Engineering Design, Analysis and Manufacturing
Representing function: Relating functional representation and functional modeling research streams
Artificial Intelligence for Engineering Design, Analysis and Manufacturing
A study on the grammatical construction of function structures
Artificial Intelligence for Engineering Design, Analysis and Manufacturing
Use of design patterns in analogy-based design
Advanced Engineering Informatics
Deployment of an ontological framework of functional design knowledge
Advanced Engineering Informatics
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A metric for computing the information content of function models in mechanical engineering design is proposed. Function models are graph-based representations used to describe the functionality of engineered artifacts, where the nodes are function verbs and the edges are the objects of action. The functional basis, a controlled vocabulary of these verbs and nouns organized in a three level hierarchy, is intended to support consistent representation of function models. The Design Repository is a Web-based archive of function models of consumer products described with the functional basis. This paper presents the theoretical underpinnings of a metric for the information content of function models, the assumptions required to support it, the definitions of key terms associated with it, and its practical interpretation. Finally, the metric is used to study the usefulness of the functional basis through a series of experiments on function models within the Design Repository. The results of the experiment indicate that the secondary level of the functional basis is the most beneficial to designers, both in terms of information content and information density.