An Interactive Approach to Fuzzy-based Robust Design

摘要

In order to win in the violent global competition, it is necessary for vendors to shorten the product development of novel, better product on quality consideration. It is expected to be an efficient way to extend robust design to the early stage of design. In this paper, we define multiple aspects of robust design from the view of multi-objective optimization. For the existing two problems in related researches, a new robust design model is proposed and embedded into an interactive approach as a decision making procedure. Fuzzy LR Number is used in this model to deal with asymmetric distributed variables and capture the imprecision in design variables in the early phases of design. Assisting by the proposed approach in which a proposed reference mechanism is embedded, designer is available to use progressively generating preference structure to select satisfactory solution from the optimized Pareto solution set. Pressure vessel design is used as an example to demonstrate the proposed approach.