Excavating – Ditcher – Condition responsive
Reexamination Certificate
2006-03-07
2006-03-07
Petravick, Meredith C. (Department: 3671)
Excavating
Ditcher
Condition responsive
C701S050000
Reexamination Certificate
active
07007415
ABSTRACT:
A method for controlling movement of a work tool includes the step of identifying a predefined digging boundary and determining the current position of the work tool. A control signal is generated to change the position of the work tool. A requested motion vector is determined for the work tool based on the control signal. A determined force is generated to apply to the work tool. It is based on the requested motion vector and has a normal component that is scaled to prevent the work tool from crossing the predefined digging boundary. One aspect is directed to a control system for a work tool on a work implement assembly.
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Caterpillar Inc.
Finnegan Henderson Farabow Garrett & Dunner
Petravick Meredith C.
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