Abstract
An intelligent CAD system is a tool box of automated problem solving aids that allow designers to conceive, evolve, and document their designs. Our research involves CAD systems for mechanical applications where three-dimensional geometric shapes play a significant functional role. In this paper, we consider the design process itself as a problem solving activity. Computer systems suitable for assisting different modes of problem solving must be based on different assumptions about users’ intentions and their dialog with the system. We identify three modes of problem solving based on their implications on a system’s underlying paradigm. Because of the important role of geometric information in design, a prerequisite for intelligent CAD systems is more explicit representation and manipulation of geometric knowledge. We discuss a paradigm for an intelligent CAD environment specifically suitable for geometric information and its implication on knowledge representation.
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