Analytic Hierarchy Process for Weight Coefficient Definition of Performance Function for Optimization of Hybrid Composite Wing for Reusable Space Vehicle

In most cases, the optimization problem for composite material constructions involves considering multiple criteria, and the performance function parameters often conflict with each other. One of the solutions in such cases is the reduction of the multi-criteria problem to a single-criterion problem through generating one performance function that includes all the objective variables. The problem of generating a performance function at the initial design stage lies in the fact that the inversely related parameters may differ in order and furthermore, may have different importance (weighting). This problem can be solved by normalizing the parameters contained in the function, and determining the importance of each parameter by introducing weight coefficients. The weight coefficient values can be defined through expert evaluations. In this paper the authors determine weight coefficients for the performance func tion for optimization of a hybrid composite wing for a reusable tourist class space vehicle with the help analytic hierarchy process, one of the traditional methods in decision theory.

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