Earth working – Automatic power control – Land leveller type
Patent
1996-12-17
1998-04-07
Melius, Terry Lee
Earth working
Automatic power control
Land leveller type
37348, 36416701, 36442407, G05B 1918, F21B 2106
Patent
active
057353522
ABSTRACT:
The present invention provides a method for updating a site database. The site database models the elevation of a work site using a Triangular Irregular Network (TIN). The TIN is composed of a plurality of points. Each point has associated known X and Y coordinates and a known elevation and is associated with a set of other points in the network to form triangles. The work site is modified by a work machine. The method includes the steps of receiving a new set of points. The new set of points includes at least first and second points. The first and second points have associated X, Y, and Z coordinates. The method also includes the steps of comparing the new set of points with a previous set of points and updating the triangular irregular network with the new set of points if a minimum distance has been traversed by the work machine.
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SPI (Software Patent Institute Database of Software Technologies) Record Display--Title: ARC/Info TIN dated Feb. 1, 1995, S/N HPAPPS.1563.
Henderson Daniel E.
Koehrsen Craig L.
Paul David A.
Sahm William C.
Caterpillar Inc.
Melius Terry Lee
Pezzuto Robert
Yee James R.
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