An electric wheelchair control system is adapted to control a wheelchair and comprises a sensing assembly, an inertial sensor, a controller, a motor driver, and a three-phase AC motor. The sensing assembly is configured to detect an external force applied to the wheelchair and generate a first sensed signal based thereon. The inertial sensor is configured to detect an inclination of the wheelchair and generate a second sensed signal based thereon. The controller selectively outputs a PWM braking signal to the motor driver according to the first sensed signal and the second sensed signal, and the PWM braking signal includes an upper arm braking signal and a lower arm braking signal, wherein the upper arm braking signal and the lower arm braking signal have the same duty cycle and when the upper arm braking signal is at a high level, the lower arm braking signal is at a low level.


    Zugriff

    Download


    Exportieren, teilen und zitieren



    Titel :

    Electric wheelchair control system and electric wheelchair control method


    Beteiligte:
    LIN YI-LING (Autor:in)

    Erscheinungsdatum :

    2021-09-21


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    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 / 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



    ELECTRIC WHEELCHAIR CONTROL SYSTEM AND ELECTRIC WHEELCHAIR CONTROL METHOD

    LIN YI-LING | Europäisches Patentamt | 2020

    Freier Zugriff



    Program Control electric wheelchair

    PARK JONG MOO | Europäisches Patentamt | 2019

    Freier Zugriff

    ELECTRIC WHEELCHAIR

    KAMO MITSUHIRO / IIDA NORIKAZU | Europäisches Patentamt | 2017

    Freier Zugriff