TRANSPORT DEVICE, IN PARTICULAR A PRAM COMPRISING MASS ESTIMATION

The invention relates to a transport device (100), in particular a pram, comprising at least three wheels (116, 118, 120, 122) and a handle (110) for a user, wherein at least one wheel (120, 122) of the at least three wheels is designed as a drive wheel (132, 134) which can be electromotively driven...

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Bibliographische Detailangaben
Hauptverfasser:	GROH, Stefan, SCHILLINGER, Bertram, BAUR, Joerg, PFISTER, Jochen, MARTIN, Norbert
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE ORDIFFERENT FUNCTION CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES HAND-PROPELLED VEHICLES, e.g. HAND CARTS, PERAMBULATORS LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS MEASURING PERFORMING OPERATIONS PHYSICS ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TOTHE CONTROL OF A PARTICULAR SUB-UNIT SLEDGES TESTING TRANSPORTING VEHICLES IN GENERAL WEIGHING
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Beschreibung
Zusammenfassung:	The invention relates to a transport device (100), in particular a pram, comprising at least three wheels (116, 118, 120, 122) and a handle (110) for a user, wherein at least one wheel (120, 122) of the at least three wheels is designed as a drive wheel (132, 134) which can be electromotively driven by means of at least one electric drive unit (140, 142) in order to support, at least in part electromotively, the user in the action of pushing or pulling the transport device (100), and wherein the electric drive unit can be controlled by means of a torque control device (200, 202) associated with same, and the transport device has a computing unit (400) for estimating the mass of the transport device. According to the invention, at least one acceleration sensor (170, 172) is provided and the torque control device (200, 202) can be exposed to a test signal (Ts), wherein the computing unit (400) is designed to determine a mass (mK) of the transport device (100) at least using the acceleration signal (y1,2(t)) generated at the transport device (100) using the test signal (Ts) and detected by the at least one acceleration sensor (172).