Excavating implement heading control
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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May 22, 2018
Issued Date -
N/A
app pub date -
Aug 10, 2016
filing date -
Feb 2, 2016
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An excavator comprises a chassis, an implement, and an assembly comprising a boom, a stick, and a coupling. The assembly is configured to define a heading {circumflex over (N)} and to swing with, or relative to, the chassis about a swing axis S. The stick is configured to curl relative to the boom about a curl axis C. The implement is coupled to a stick terminal point G via the coupling and is configured to rotate about a rotary axis R such that a leading edge of the implement defines a heading Î. An excavator control architecture comprises sensors and machine readable instructions to generate signals representative of {circumflex over (N)}, an assembly swing rate ωS about S, and a stick curl rate ωC about C, generate a signal representing a terminal point heading Ĝ based on {circumflex over (N)}, ωS, and ωC, and rotate the implement about R such that Î approximates Ĝ.
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