Abstract: With the development of product’s individuation, it is required that the configuration of products should comply with industrial aesthetics. How to layout basic mechanisms rationally in given modeling space of industrial aesthetics, and how to make the complex machine system comprising basic mechanisms satisfy the requirements of high reliability and long life are the key technology in the layout of machine products. Different from traditional layout problem, there exists a certain input and output connection relation among basic mechanisms composing the machine system, so this kind of layout has its particularity and complexity. The connection relation of basic mechanisms composing machine system is analyzed firstly. Then the layout modeling of three kinds of connection relation is presented. At last the spatial layout optimization algorithm of complex machine system is constructed adopting adaptive genetic algorithm, and the validity of the algorithm is verified with an example.

Key words: Basic mechanism, Genetic algorithms, Machine system, Spatial layout