Robust Design Based On Fuzzy Probability And Virtual Reality Technology

This paper came up with a new kind of design method on the basis of the traditional robust design, the robust design based on fuzzy probability and virtual reality technology, which can cover the whole life of the products, and has many merits, such as simple designing process, high efficiency, short design period and high reliability of the design accuracy and design result.There detailed two aspects, namely, improving the traditional robust design and the modem robust design.In the improvement of the traditional robust design, there made full use of the powerful dominant of digital computers, that is to say, using virtual reality technology to proceed test design, effectively upgrading design accuracy and shortening the design period; managed many targets by fuzzy comprehensive judgment, satisfying the facts of engineering more exactly. On the other hand, there gave a typical example, the design of triode amplification circuit, to explain the common designing process of this design method.The modern robust design detailed the robust design based on engineering model, which explained the specific design process, the whole process from founding system model to solving it. It obtained the optimum combination of parameters and the maximum manufacturing errors, using fuzzy comprehensive judgment to dispose the problem of many targets, handling the design results by fuzzy probability to increase the reliability of the design. In the end, there supplied an example, the optimization design of a long distance hydraulic cylinder to interpret the specific design process, achieving its optimum combination and the maximum manufacturing errors, and verifying the practicability of the design results by the method of fuzzy probability analysis.This paper is divided into four parts:The foreword: mainly the development process, the merits and demerits of the ordinary robust design.The development of the traditional robust design: the common design process of the traditional method and the developed method, exampling the merit of the developed methodcomparing with the traditional one.The modern robust design: by an example of a mechanical design, detailing the specific process of this design method, illustrating the merits of this method, and verifying the validity of the result.The final part is the conclusion. This section generalized the whole paper, and assigned the subsequent research content.