Omnidirectional electric wheelchair control system

Details Omnidirectional electric wheelchair control system Omnidirectional electric wheelchair control system

A - Human Necessities

61

G

A61G 5/04 (2006.01) B60B 19/12 (2006.01)

Patent

CA 2622950

This invention refers to a wheelchair control system which enables them to move in an omnidirectional way without much effort by its user. The system is made up of a base (1) where the wheels and motors are attached (2) the batteries (3). The necessary electronics to the full functioning of the wheelchair are located on the second level (4). On the next level up, is placed the processing unit (5). Over all this structure is placed the wheelchair seat (6). On its arm is mounted a joystick (or other wheelchair controlling device) (7) as well as a digital screen (8) so that the user can write and read the all the wheelchair information. The processing unit on board can also receive information from sensors located all around the wheelchair to automatically avoid obstacles. Additionally, this wheelchair control system is electrically fed through rechargeable batteries or fuel cells (3), offering great usage autonomy.

La présente invention concerne un système de commande de chaise roulante qui lui permet de se déplacer dans toutes les directions sans gros effort de la part de l~utilisateur. Ce système se compose d~une base (1) sur laquelle les roues et les moteurs sont attachés (2) et des piles (3). Les pièces électroniques nécessaires au fonctionnement complet de la chaise roulante se situent au second niveau (4). L~unité de traitement (5) se situe au niveau supérieur. Au-dessus de l~ensemble de cette structure se trouve le siège de la chaise roulante (6). Un levier de commande est monté sur son bras (ou autre dispositif de commande de la chaise roulante) (7) ainsi qu~un écran numérique (8) qui permet à l~utilisateur d~écrire et de lire les informations concernant la chaise roulante. L~unité de traitement sur carte peut également recevoir des informations de capteurs situés tout autour de la chaise pour éviter automatiquement des obstacles. Par ailleurs, ce système de commande de la chaise roulante est électriquement alimenté par le biais de piles rechargeables ou piles à combustible (3) permettant une grande autonomie d~utilisation.

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