Real-time surveying/earth moving system

Details Real-time surveying/earth moving system Real-time surveying/earth moving system

H - Electricity

04

B

H04B 7/185 (2006.01) E02F 3/84 (2006.01) E02F 9/20 (2006.01) E02F 9/26 (2006.01) G01S 5/14 (2006.01)

Patent

CA 2371756

The present invention includes a method and apparatus which determines the three-dimensional (x, y, z coordinate) position of the receiving position of a GPS antenna on an earth-moving machine or a vehicle, determines (147) the tilt of the machine or vehicle in real time (tilt may vary from point to point), and utilizes this data to calculate the three-dimensional (x, y, z coordinate) position of a point of the earth's surface disposed beneath the machine or vehicle. In a preferred embodiment, the present invention derives and displays the distance between the actual elevation of this point and the desired surface elevation.

La présente invention concerne un procédé et un appareil déterminant la position tridimensionnelle (aux coordonnées x, y, z) de la position réceptrice d'une antenne GPS sur une machine de terrassement ou un véhicule. Ce procédé et cet appareil permettent de déterminer (147) l'inclinaison de la machine ou du véhicule en temps réel (l'inclinaison peut varier de point en point), et utilisent ces données afin de calculer la position tridimensionnelle (aux coordonnées x, y, z) d'un point de la surface de la terre jouxtant la machine et le véhicule. Dans un mode de réalisation préféré, ce procédé et cet appareil permet de calculer et d'afficher la distance entre l'élévation actuelle de ce point et l'élévation de la surface désirée.

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