Method and apparatus for controlling width-adjustable tillage im

Details Method and apparatus for controlling width-adjustable tillage im Method and apparatus for controlling width-adjustable tillage im

1997-10-10

1999-11-30

Pezzuto, Robert E.

Earth working

Automatic power control

36442407, 172 4, A01B 6311

Patent

active

059925337

ABSTRACT:
In the field of agricultural tillage, there is a need for accurate, automated control of the widths of tilling implements, such as ploughs. The invention concerns methods of controlling a plough operatively combined with a vehicle such as a tractor, the methods including logging a series of values of the strength of soil encountered during a pass along a field; selecting the most frequently occurring soil strength value; and, for a subsequent pass of the tractor/plough combination along the field in the same direction, setting the width of the plough in dependence on the most frequently logged soil strength value. A microprocessor is provided to carry out the methods of the invention.

REFERENCES:
patent: 4093248 (1978-06-01), Gassner
patent: 4141419 (1979-02-01), Buchele et al.
patent: 4385353 (1983-05-01), Schneider
patent: 4667744 (1987-05-01), Kauss et al.
patent: 4878543 (1989-11-01), Kauss
patent: 5479992 (1996-01-01), Bassett

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