Control device for position-control of implement coupled to an a

Details Control device for position-control of implement coupled to an a Control device for position-control of implement coupled to an a

1988-01-07

1989-12-12

Kisliuk, Bruce M.

Earth working

Automatic power control

Draft responsive

180197, 36442407, 36442603, A01B 63112

Patent

active

048861235

ABSTRACT:
In a device for controlling a slip and a traction force of an implement coupled to a tractor by a hoisting unit, a slip contol system is combined with a traction force control system. The control device includes a drive speed sensor connected to the tractor and an acceleration sensor positioned on the tractor. A measured acceleration value is compared in a comparator circuit with an adjusted output signal of the drive speed sensor, and an actual slip value is determined by integration from an acceleration difference signal. The actual slip value is used for adjusting a control value generated in the traction force control system to control a position of the hoisting unit.

REFERENCES:
patent: 3776322 (1973-12-01), Misch et al.
patent: 3834481 (1974-09-01), Carlson
patent: 4053018 (1977-10-01), Takeda
patent: 4075538 (1978-02-01), Plunkett
patent: 4282933 (1981-08-01), Suganami et al.
patent: 4423785 (1984-01-01), Kurihara et al.
patent: 4454919 (1984-06-01), Arnold et al.
patent: 4518044 (1985-05-01), Wiegardt et al.
patent: 4571500 (1986-02-01), Mucheyer
Ismail, Singh and Gee-Clough, "A Preliminary Investigation of a Combined Slip and Draught Control For Tractors", J. Agric. Eng. Res (1981)26, 293-306.

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