Method and system for determining the spatial position of a...

G - Physics – 01 – C

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G01C 15/00 (2006.01)

Patent

CA 2539903

The aim of the invention is to determine the actual position and/or actual orientation of a measuring appliance (4b). To this end, at least two reference points (2b') lying in a spatial segment (5') scanned by a laser beam are detected and measured in terms of the distance thereinbetween and the inclination angle thereof. The actual position of the measuring appliance (4b) can be deduced from the known positions of said reference points (2b') arranged in a detectable manner and the associated distances and inclination angle thereof. The detection, monitoring and measuring of the reference points is carried out by the measuring appliance (4b) in an automated manner, the measuring appliance (4b) and specifically embodied elements associated with the reference points (2b') forming a local positioning and/or orientation measuring system. The inventive method and corresponding devices enable measurements to be carried out in a problem-free and automated manner, even in areas that cannot be accessed by other measuring systems.

Pour la détermination de la position réelle et/ou de l'orientation réelle d'un appareil de mesure (4b), au moins deux points de référence (2b') situés dans un segment spatial (5') balayé au moyen d'un faisceau laser, sont détectés et mesurés en ce qui concerne leur écart et leur angle d'inclinaison. Les positions connues de ces points de référence (2b') configurés de manière détectable et leurs écart et angle d'inclinaison permettent de déduire la position réelle de l'appareil de mesure (4b). La détection, le suivi et la mesure des points de référence sont effectués de façon automatique par l'appareil de mesure (4b), l'appareil de mesure (4b) et des éléments conçus de façon spécifique, affectés aux points de référence (2b'), formant un système local de positionnement et/ou d'orientation. Le procédé selon l'invention et des dispositifs correspondants permettent d'effectuer de façon simple et automatisée des mesures, même dans des zones inaccessibles à d'autres systèmes de mesure.

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