Tractor-implement control system and method

An implement is coupled to and pulled by a tractor. The tractor includes ground engaging drive wheels driven by an engine, an operator movable speed command device, and a tractor controller having automatic and manual speed control modes. The implement has an implement control unit coupled to the tr...

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Bibliographische Detailangaben
Hauptverfasser:	NEWENDORP BRUCE C, MARTIN MICHAEL J, NEERMANN BENJAMIN, MUENCH PETER, KILWORTH TIMOTHY J
Format:	Patent
Sprache:	eng
Schlagworte:	AGRICULTURE ANIMAL HUSBANDRY BLASTING CALCULATING COMPUTING COUNTING DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE DREDGING ELECTRIC DIGITAL DATA PROCESSING ENGINEERING ELEMENTS AND UNITS FISHING FIXED CONSTRUCTIONS FORESTRY FOUNDATIONS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HAY OR STRAW PRESSES HEATING HUMAN NECESSITIES HUNTING HYDRAULIC ENGINEERING LIGHTING MECHANICAL ENGINEERING PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES ORIMPLEMENTS, IN GENERAL PHYSICS PROCESSING OF HARVESTED PRODUCE SOIL SHIFTING SOIL WORKING IN AGRICULTURE OR FORESTRY THERMAL INSULATION IN GENERAL TRAPPING WEAPONS
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Beschreibung
Zusammenfassung:	An implement is coupled to and pulled by a tractor. The tractor includes ground engaging drive wheels driven by an engine, an operator movable speed command device, and a tractor controller having automatic and manual speed control modes. The implement has an implement control unit coupled to the tractor controller. The implement control unit transmits an implement speed request signal to the tractor controller. The tractor controller controls tractor motion in response to operation of the speed command device and the implement speed request signal. A system and method of controlling the tractor/implement combination includes generating an Operator Speed Limit value as a function of the speed command device, comparing the Operator Speed Limit value to the implement speed request signal, and automatically exiting the automatic speed control mode and enabling the manual speed control mode if the Operator Speed Limit remains greater than the implement speed request for the duration of a predetermined time period and if the Operator Speed Limit value has been increased.