One of the most important approaches to enable cost and time reduction with respect to computer-aided design for electrical/electromechanical engineering (ECAD) is to develop, generate and manage various design variants of a product in an efficient manner. This article presents an overview of a new generic approach to product variant design technology that has high potential for efficient reusability of existing designs. It presents the procedure to allow this new approach to be implemented within arbitrary ECAD systems. The approach presented automatically generates a complete technical documentation of an electrical installation on the basis of a placed order specification. The technology behind this involves three major steps.
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