Motorized wheelchair

A motorized wheelchair includes left and right drive wheels, left and right motors, rate-of-turn sensor, first and second speed sensors, and controller arranged to combine signals from the sensors in a manner that detects drift. Alternatively, the motorized wheelchair includes left and right drive w...

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Hauptverfasser:	STROTHMANN, THOMAS, RICHEY, JOSEPH B
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHAIRS FOR DENTISTRY ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL FUNERAL DEVICES GYROSCOPIC INSTRUMENTS HUMAN NECESSITIES HYGIENE MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES MEASURING MEASURING DISTANCES, LEVELS OR BEARINGS MEDICAL OR VETERINARY SCIENCE NAVIGATION OPERATING TABLES OR CHAIRS PERFORMING OPERATIONS PHOTOGRAMMETRY OR VIDEOGRAMMETRY PHYSICS SURVEYING TESTING TRANSPORT OR ACCOMODATION FOR PATIENTS TRANSPORTING VEHICLES IN GENERAL
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creator	STROTHMANN, THOMAS RICHEY, JOSEPH B
description	A motorized wheelchair includes left and right drive wheels, left and right motors, rate-of-turn sensor, first and second speed sensors, and controller arranged to combine signals from the sensors in a manner that detects drift. Alternatively, the motorized wheelchair includes left and right drive wheels, left and right motors, first and second rate-of- turn sensors, and controller arranged to combine signals from the sensors in a manner that compensates for voltage offset errors. In another arrangement, the motorized wheelchair includes left and right drive wheels, left and right motors, first and second rate-of-turn sensors, input device, and controller arranged to combine signals from the sensors and input device in a manner that controls the motors using an integrated turn rate error. Several methods for controlling each wheelchair configuration are also provided. These methods process signals associated with desired, expected, or actual turn rate to determine if the wheelchair is off course.
format	Patent
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Alternatively, the motorized wheelchair includes left and right drive wheels, left and right motors, first and second rate-of- turn sensors, and controller arranged to combine signals from the sensors in a manner that compensates for voltage offset errors. In another arrangement, the motorized wheelchair includes left and right drive wheels, left and right motors, first and second rate-of-turn sensors, input device, and controller arranged to combine signals from the sensors and input device in a manner that controls the motors using an integrated turn rate error. Several methods for controlling each wheelchair configuration are also provided. 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Alternatively, the motorized wheelchair includes left and right drive wheels, left and right motors, first and second rate-of- turn sensors, and controller arranged to combine signals from the sensors in a manner that compensates for voltage offset errors. In another arrangement, the motorized wheelchair includes left and right drive wheels, left and right motors, first and second rate-of-turn sensors, input device, and controller arranged to combine signals from the sensors and input device in a manner that controls the motors using an integrated turn rate error. Several methods for controlling each wheelchair configuration are also provided. 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Alternatively, the motorized wheelchair includes left and right drive wheels, left and right motors, first and second rate-of- turn sensors, and controller arranged to combine signals from the sensors in a manner that compensates for voltage offset errors. In another arrangement, the motorized wheelchair includes left and right drive wheels, left and right motors, first and second rate-of-turn sensors, input device, and controller arranged to combine signals from the sensors and input device in a manner that controls the motors using an integrated turn rate error. Several methods for controlling each wheelchair configuration are also provided. These methods process signals associated with desired, expected, or actual turn rate to determine if the wheelchair is off course.</abstract><oa>free_for_read</oa></addata></record>
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language	eng ; fre ; ger
recordid	cdi_epo_espacenet_EP2543537B1
source	esp@cenet
subjects	CHAIRS FOR DENTISTRY ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL FUNERAL DEVICES GYROSCOPIC INSTRUMENTS HUMAN NECESSITIES HYGIENE MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES MEASURING MEASURING DISTANCES, LEVELS OR BEARINGS MEDICAL OR VETERINARY SCIENCE NAVIGATION OPERATING TABLES OR CHAIRS PERFORMING OPERATIONS PHOTOGRAMMETRY OR VIDEOGRAMMETRY PHYSICS SURVEYING TESTING TRANSPORT OR ACCOMODATION FOR PATIENTS TRANSPORTING VEHICLES IN GENERAL
title	Motorized wheelchair
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