Product family configuration-oriented constraint network model and configuration

Concepts of requirement elements and configuration elements and the model of customer requirements family are proposed for the configuration problem of product family. The constraint relationships are taken into account to establish a feature attribute mapping-based constraint network,which is between configuration elements,as well as requirement element and configuration element. The scale of the configuration problem solving has been reduced through the ordinal constraint diffusion that according to the weight of requirement elements,and also through the range reduction of configuration element related to requirement element by pretreatment. The set of rapid configuration results is obtained by constraint solving for undetermined configuration element,applied the non-binary uniformity backtracking algorithm. Ultimately the feasibility of the proposed approach is validated by means of an example of a chassis configuration design.

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