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An improved extended evaluation method of engineering alternatives is proposed by means of extension theory. The matter-element model of the desired alternative (ideal alternative) and the matter-element models of alternatives are established according to decision-makers' knowledge or practical experience, and then the alternatives can be ranked by extended relational degrees to choose the optimal...
Aim at the establishment of a complete intelligent aided product color design system, raises the idea of multicolor connection semantics, upbuilds a fuzzy semantics set that shows multicolor harmony degree, discuss the way of using color space length to identify color connection semantics, put forwards the intelligent aided product multicolor design method based on semantics.
Aim to the intelligentized aid industrial design method based on product semantics, bring forwards the vague expression way of product semantics, discuss the technique to get the product semantics by tests, founds the product multidimensional semantics space and the industrial design method based on it, establish a framework of CAIDS which is based on product semantics-aided.
To study the uniform product model (PM) has become one key problem of product development technique for the distributed and collaborative environment. To suite the requirements of unification, integrality and multimode, one integrate product model with three tiers as data tier, logic tier and express tier, based on the product tree technique, is proposed in this paper. This model can satisfy mainly...
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