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Improving steering of a powered wheelchair using an expert system to interpret hand tremor

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

    Abstract

    Simple expert systems are presented that will allow more people to use powered wheelchairs. The systems interpret hand tremor and provide joystick position signals. Signals are mixed with ultrasonic sensor data to identify potentially hazardous situations and assist users to find a safe course. Results are discussed from a series of timed tasks completed by users using a joystick. They suggest that the amount of sensor support should be varied depending on circumstances and skill. Drivers completed progressively more complicated courses both with and with-out sensors and the most recently published systems are used to compare results. The new expert systems consistently out-performed the most recently published systems.
    Original languageEnglish
    Title of host publicationIntelligent Robotics and Applications. ICIRA 2015
    EditorsHonghai Liu, Naoyuki Kubota, Xiangyang Zhu, Rudiger Dillmann, Dalin Zhou
    PublisherSpringer Cham
    Pages460-471
    Number of pages12
    ISBN (Electronic)9783319228761
    ISBN (Print)9783319228754
    DOIs
    Publication statusPublished - 20 Aug 2015
    EventInternational Conference on Intelligent Robotics and Applications: 8th International Conference, ICIRA 2015 - Portsmouth, United Kingdom
    Duration: 24 Aug 2015 → 27 Aug 2015

    Publication series

    NameLecture Notes in Computer Science
    PublisherSpringer, Cham
    Volume9245
    ISSN (Print)0302-9743
    ISSN (Electronic)1611-3349

    Conference

    ConferenceInternational Conference on Intelligent Robotics and Applications
    Country/TerritoryUnited Kingdom
    CityPortsmouth
    Period24/08/15 → 27/08/15

    Keywords

    • powered-wheelchair
    • steering
    • expert
    • joystick
    • sensor
    • ultra-sonic

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