Abstract
A lot of design troubles recur chronically, and regrettably, most of them are caused due to well-known and simple failure mechanisms. That is, they are caused by the problems that knowledge on failures possessed by designers/engineers is not properly managed, and the quality of design has not reached the level that it could inherently do.
This paper focuses on the way of obtaining the knowledge on quality troubles. We first identify the difficulties to be overcome by modeling the knowledge acquisition process. Based on the model, we propose a method to obtain the reusable knowledge to make it. possible to prevent design failures.
The proposal is consisting of ;
(1) Four fundamental concepts for generalizing the knowledge obtained-attributes set, strength, stress, and trouble modes
(2) Knowledge structure based on stress-strength model
(3) Viewpoints for aiding proper concept building
(4) The knowledge representation form that enables to represent a chain of cause-and-effect relationship of a trouble.
We also demonstrate the effectiveness of the proposal through constructing an actual knowledge base and applying it to the design of a component of a magnetic card reader.
