Method and apparatus for monitoring material removal using...

G - Physics – 01 – C

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G01C 21/00 (2006.01) E02F 9/20 (2006.01) G01S 5/14 (2006.01)

Patent

CA 2188021

A method (100-106 and 108-110) and apparatus (40, 50, 60) for monitoring in real time the removal of material from a land site (12) by a mobile machine (20). A digitized three dimensional model (104, 106) includes a model of the material to be removed and its characteristics. The instantaneous machine positon signal is generated by means (50) located in the machine (20). Loading signals are generated by the machine (20) and loading position is recorded in response to the loading signal. The invention includes a payload measurement system (65, 123) which measures each discrete load. The characteristics of the site material at the recorded loading position are correlated to the material removed from the site. A dynamic site database (66) is used to update the site (12) as material is removed and direct the machinery to a desired state.

L'invention concerne un procédé (100-106 et 108-110) et un appareil (40, 50, 60) pour surveiller en temps réel le travail d'excavation sur un site (12), effectué par une machine mobile (20). Un modèle numérisé tridimensionnel (104, 106) comprend un modèle du matériau à enlever avec ses caractéristiques. La machine (20) a un moyen (50) pour générer des signaux numériques représentant sa position instantanée. La machine (20) génère des signaux de chargement et la position de chargement est enregistrée en réponse au signal de chargement. On prévoit, de préférence, un système de mesure (65, 123) pour chaque charge excavée. Les caractéristiques du matériau du site à la position de chargement enregistrée sont mises en parallèle avec la quantité de matériau excavé du site (12). On utilise une base de données dynamique (66) concernant le site (12) pour réactualiser son état, à mesure que le matériau est excavé, et pour diriger la machine de la manière souhaitée.

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