Abstract The present article describes the application of Genetic Algorithm to force- and moment-balance of a four bar linkage. This technique permit competing design objectives to be considered through the investigation of trade-offs between those objectives. The objective functions of the design parameters are determined and their values are minimized by adjusting the independent variables of the designer. The technique permits both partial force and partial moment balance to be accomplished simultaneously. Genetic algorithm is a powerful and widely used stochastic optimization technique which relies on analogies to natural selections and natural genetics.

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