Controller for an agricultural machine

A controller for detecting an unwanted object in an agricultural machine. The agricultural machine includes a pair of rollers for receiving crop material therebetween. The pair of rollers define a variable roller opening therebetween. The controller is configured to: receive a roller-opening-value t...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Vanysacker, Pieter, Verhaeghe, Didier, Depestel, Bernard E. D, Compernol, Dries, Desnijder, Dirk J
Format:	Patent
Sprache:	eng
Schlagworte:	AGRICULTURE ANIMAL HUSBANDRY DETECTING MASSES OR OBJECTS FISHING FORESTRY GEOPHYSICS GRAVITATIONAL MEASUREMENTS HARVESTING HUMAN NECESSITIES HUNTING MEASURING MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE MOWING PHYSICS TESTING TRAPPING
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Beschreibung
Zusammenfassung:	A controller for detecting an unwanted object in an agricultural machine. The agricultural machine includes a pair of rollers for receiving crop material therebetween. The pair of rollers define a variable roller opening therebetween. The controller is configured to: receive a roller-opening-value that is representative of the size of the roller opening; determine a strength-value based on the roller-opening-value and a roller-speed-value, wherein the roller-speed-value is representative of the rate of change of the roller-opening-value, with respect to time; compare the strength-value with a threshold-value; and if the strength-value exceeds the threshold-value, then provide an output signal that is indicative of an unwanted object being detected.