Combining Expert Systems and Cad Techniques

Drawings provide a medium for communicating design decisions. The dtask of preparing and changing design drawings has been simplified by various packages available for computer aided drafting (CAD). Recently, expert-systems techniques are being used to aid the design process by monitoring and refining design decisions. Combining expert systems and CAD techniques raises issues concerning representation of the design. An expert system for evaluation of the design. An expert system for evaluation of preliminary structural designs has been implemented using an expert system shell and a CAD package. This and other similar implementations illustrate different approaces to the integration problems