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VR based Power Wheelchair Simulator: Usability Evaluation through a Clinically Validated Task with Regular Users

Abstract : Power wheelchairs are one of the main solutions for people with reduced mobility to maintain or regain autonomy and a comfortable and fulfilling life. However, driving a power wheelchair in a safe way is a difficult task that often requires training methods based on real-life situations. Although these methods are widely used in occupational therapy, they are often too complex to implement and unsuitable for some people with major difficulties. In this context, we collaborated with clinicians to develop a Virtual Reality based power wheelchair simulator. This simulator is an innovative training tool adapted to any type of situations and impairments. In this paper, we present a clinical study in which 29 power wheelchair regular users were asked to complete a clinically validated task designed by clinicians within two conditions: driving in a virtual environment with our simulator and driving in real conditions with a real power wheelchair. The objective of this study is to compare performances between the two conditions and to evaluate the Quality of Experience provided by our simulator in terms of Sense of Presence and Cybersickness. Results show that participants complete the tasks in a similar amount of time for both real and virtual conditions, using respectively a real power wheelchair and our simulator. Results also show that our simulator provides a high level of Sense of Presence and provokes only slight to moderate Cybersickness discomforts resulting in a valuable Quality of Experience.
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Conference papers
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https://hal.archives-ouvertes.fr/hal-03135433
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Submitted on : Monday, February 8, 2021 - 11:52:15 PM
Last modification on : Tuesday, October 19, 2021 - 11:04:42 AM
Long-term archiving on: : Sunday, May 9, 2021 - 8:53:48 PM

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VR_Conf_2021_Vailland.pdf
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  • HAL Id : hal-03135433, version 1

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Guillaume Vailland, Louise Devigne, François Pasteau, Florian Nouviale, Bastien Fraudet, et al.. VR based Power Wheelchair Simulator: Usability Evaluation through a Clinically Validated Task with Regular Users. VR 2021 - IEEE Conference on Virtual Reality and 3D User Interfaces, Mar 2021, Lisbon, Portugal. pp.1-8. ⟨hal-03135433⟩

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