Combine ground speed control system

Details Combine ground speed control system Combine ground speed control system

1984-04-12

1985-04-30

Hirsch, Paul J.

Harvesters

Motorized harvester

With condition-responsive operation

56DIG15, A01D 4102

Patent

active

045135622

ABSTRACT:
A combine harvester having an engine, a traction drive transmission, a header, and a threshing and separating mechanism, is disclosed wherein the combine is provided with a machine throughput control system including a machine loading control loop operable to produce a signal representative of machine loading, and a grain loss control loop operable to produce a signal representative of grain loss. A grain loss controller is continuously operable to establish a causal relationship between machine loading and grain loss. The machine loading signal, the causal relationship current with that machine loading signal, and a reference loss signal is applied to the grain loss controller to derive a reference machine loading signal. A machine loading error signal, produced by summing the representative machine loading signal and the reference machine loading signal, is used to control the machine throughput.

REFERENCES:
patent: 3606745 (1971-09-01), Girodat
patent: 3935866 (1976-02-01), Northup et al.
patent: 4130980 (1978-12-01), Fardal et al.
patent: 4337611 (1982-07-01), Mallander et al.
patent: 4458471 (1984-07-01), Herwig
patent: 4487002 (1984-12-01), Kruse et al.

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