To provide an electric wheelchair capable of reducing burden on a riding person or a helper when the riding person or the helper performs manual operation to cause the electric wheelchair to travel.SOLUTION: An electric wheelchair includes: a vehicle body frame; a free wheel provided in the vehicle body frame; a motor for driving the free wheel; and a control device for controlling the motor. When the control device determines that a rotation speed Vc of the free wheel is larger than a reference speed V0 and an absolute value of a different value ΔVc is smaller than a threshold α, the control device controls the motor to maintain a travel speed.SELECTED DRAWING: Figure 5
【課題】搭乗者又は介助者が手動操作によって電動車椅子を走行させる際の負担を軽減することができる電動車椅子を提供する。【解決手段】電動車椅子は、車体フレームと、車体フレームに設けられた自在輪と、自在輪を駆動するモータと、モータを制御する制御装置と、を備える。制御装置は、自在輪の回転速度Vcが基準速度V0より大きくかつ差分値ΔVcの絶対値が閾値αよりも小さいと判定すると、走行速度を維持するようにモータを制御する。【選択図】図5
ELECTRIC WHEELCHAIR
電動車椅子
2022-05-10
Patent
Electronic Resource
Japanese
IPC: | A61G TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS , Transport, persönliche Beförderungsmittel, oder Lagerung besonders ausgebildet für Kranke oder Behinderte / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern |
European Patent Office | 2016
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