Optimal design of conic-cylindrical gear reduction unit using fuzzy physical programming

Abstract

Conic-cylindrical gear reduction unit as a high-performance power transmission device is widely used to build various machineries. There are lots of fuzzy factors in its manufacturing process and operation environment, which should be taken into consideration in the design process. Fuzzy physical programming is an effective multiobjective optimization method which incorporates fiizziness in its problem formulation. The fiizzy physical programming model for the optimal design of two-stage conic-cylindrical gear reduction unit is developed in this paper, and genetic algorithm is used to solve the model. An example is given to illustrate that fuzzy physical programming can consider the fiizziness of conic-cylindrical gear reduction unit substantially, and conforms more perfectly to the engineering realities. © 2005 by International Federation for Information Processing.