STEERING INSTABILITY DETECTION

A method of detecting steering wheel angle instability in an auto-guided vehicle includes measuring a steering wheel angle at a plurality of time instances within a pre-determined time window to obtain an array of values of the steering wheel angle, performing a frequency analysis of the array of va...

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Bibliographische Detailangaben
Hauptverfasser:	CREABY, Justin, SIGHTS, Brandon
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AGRICULTURE ANIMAL HUSBANDRY CONTROLLING FISHING FORESTRY HUMAN NECESSITIES HUNTING LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS MOTOR VEHICLES PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES ORIMPLEMENTS, IN GENERAL PERFORMING OPERATIONS PHYSICS REGULATING SOIL WORKING IN AGRICULTURE OR FORESTRY SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES TRAILERS TRANSPORTING TRAPPING
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Beschreibung
Zusammenfassung:	A method of detecting steering wheel angle instability in an auto-guided vehicle includes measuring a steering wheel angle at a plurality of time instances within a pre-determined time window to obtain an array of values of the steering wheel angle, performing a frequency analysis of the array of values of the steering wheel angle to obtain a frequency spectrum of the steering wheel angle, comparing the frequency spectrum of the steering wheel angle to a pre-defined threshold frequency spectrum to determine whether a magnitude of the frequency spectrum of the steering wheel angle at any frequency exceeds a magnitude of the threshold frequency spectrum, and upon determining that a magnitude of the frequency spectrum of the steering wheel angle at one or more frequencies exceeds a magnitude of the pre-defined threshold frequency spectrum, determining that a steering wheel angle instability is present.