Blade control apparatus, work vehicle, and method of controlling a blade
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United States of America Patent
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Feb 27, 2018
Issued Date -
N/A
app pub date -
Oct 30, 2014
filing date -
Oct 30, 2014
priority date (Note) -
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Abstract
The blade control apparatus includes outputting an instruction to operate a hydraulic cylinder, calculating a target height of the blade tip according to absolute position data, vehicle body inclination angle data, and designed surface data, acquiring target height data at a first point of time, calculating an actual height of the blade tip at the first point of time according to the absolute position data, the vehicle body inclination angle data, and the cylinder length data, and estimating an estimated height of the blade tip at a third point of time later than the first point of time, according to an instruction at a second point of time earlier than the first point of time, and actual height data of the blade tip at the first point of time or a point of time earlier than the first point of time.
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