A Design Support System Based On Uncertain Evaluation Process In Image Cognition

Abstract

One aspect of critical failure in design of human-oriented artifacts is that users do not perceive the designed artifacts as the designers intended. When this happens, the designers would want to identify the design elements, that might have caused this mismatching, and replace them with the ones that should reduce the degree of mismatching. This paper proposes a cognitive model, "the dual mapping model". that simulates subjective and intuitive processes involved in creating an idea sketch that should convey design concept, and in evaluating the idea sketch to extract its underlying design concept by users. These processes are represented by using fuzzy theoretical formalism. The dual mapping model was used to build a prototype design support system, which provides designers with an integrated design environment that sonsists of (1) a unit for measuring kansei data, (2) a unit of analyzing the data, and (3) a unit for providing useful feedback for enhancing the idea sketch.

One aspect of critical failure in design of human-oriented artifacts is that users do not perceive the designed artifacts as the designers intended. When this happens, the designers would want to identify the design elements, that might have caused this mismatching, and replace them with the ones that should reduce the degree of mismatching. This paper proposes a cognitive model, "the dual mapping model". that simulates subjective and intuitive processes involved in creating an idea sketch that should convey design concept, and in evaluating the idea sketch to extract its underlying design concept by users. These processes are represented by using fuzzy theoretical formalism. The dual mapping model was used to build a prototype design support system, which provides designers with an integrated design environment that sonsists of (1) a unit for measuring kansei data, (2) a unit of analyzing the data, and (3) a unit for providing useful feedback for enhancing the idea sketch.