CONTROL ARRANGEMENT FOR A PROPULSION UNIT FOR A SELF-PROPELLED FLOOR CARE APPLIANCE

A self propelled upright vacuum cleaner (10) is provided with a Hall effe ct sensor (310) to provide a Hall voltage that varies according to the posit ion of a handgrip (114) maintained by the vacuum cleaner (10). A microproces sor generates a PWM control signal to control the movement of the vacuum...

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Bibliographische Detailangaben
Hauptverfasser:	MILLER, ETHAN S, GORDON, EVAN A
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	COFFEE MILLS CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DOMESTIC ARTICLES OR APPLIANCES DOMESTIC WASHING OR CLEANING ELECTRICITY FURNITURE GENERATION GYROSCOPIC INSTRUMENTS HUMAN NECESSITIES MEASURING MEASURING DISTANCES, LEVELS OR BEARINGS NAVIGATION PHOTOGRAMMETRY OR VIDEOGRAMMETRY PHYSICS SPICE MILLS SUCTION CLEANERS IN GENERAL SURVEYING TESTING
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Beschreibung
Zusammenfassung:	A self propelled upright vacuum cleaner (10) is provided with a Hall effe ct sensor (310) to provide a Hall voltage that varies according to the posit ion of a handgrip (114) maintained by the vacuum cleaner (10). A microproces sor generates a PWM control signal to control the movement of the vacuum bas ed on the magnitude of the Hall voltage with respect to various response cha racteristics, including a non-linear logistic function. As such, the vacuum cleaner (10) imparts a user-friendly responsiveness to the user during the o peration of the vacuum cleaner (10).