Abstract
In an industrial development project, complete three-dimensional (3D) models had to be created from objects that have been exposed to mechanical wear. A conventional robot will be used to position the object in front of a 3D sensor system. To create a complete 3D model of the object, five to six individual 3D measurements have to be taken and integrated into one model. The precision of the complete model largely depends on the quality of fitting the individual measures together. A strategy is introduced by which a measuring precision of approximately 50 Jim can be achieved even in cases where the robot's repositioning precision is largely exceeding this value. Even though certain assumptions will differ between applications, the general strategy is believed to be of value for other projects where the positioning precision of a robot might otherwise be a limitation.
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