Human-Computer Interaction: Communication, Cooperation, and Application Design

By Hans-Jörg Bullinger; Jürgen Ziegler | Go to book overview

An optimum UI for using a high comfort and enhanced manoeuvrability wheelchair for transportation tasks

Dr. G. Papaioannou, Dr. A. Naniopoulos Katholieke Universiteit Leuven, Belgium, Aristotle University Of Thessaloniki, Greece


1 Introduction

A new prototype of a transportation wheelchair with high impact safety and advanced sensor comfortability for people with mobility problems has been developed [1]. The wheelchair is capable of entering different types of public transportation means (bus, train, boat, airplane). A normal monovolume type of car can also be accessed through enhanced design, ergonomic considerations and total anchoring-wheelchair system "crashworthiness".

A variety of new functions i.e. automatic anchoring at the car's floor through the new anchoring system, enhancement of comfort by user or by automatically adjustable air cushions, wheelchair elevation etc have increased the information required to input/output from the system. That complicates the information presented at the user interface (UI) both in terms of size and variety. Analysis of the different functions and tasks is needed to simplify the input and code the output. In the present paper an attempt to present the concept of simplifying the user interface by means of a windows based application is described.


2 Methods

A synthesis of all the subfunctions ought to be predefined for the system, and a simplification of the wheelchair tasks through icons and graphical representations is necessary. Several graphical programming languages allow for alternative ways of presenting information in a one or a multi-option arrangement. User defined criteria collected from questionaires [2] and review of previous literature suggested windows based solutions with considerations

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