Design and Evaluation of the Kinect-Wheelchair Interface Controlled (KWIC) Smart Wheelchair for Pediatric Powered Mobility Training

Background: Children with severe disabilities are sometimes unable to access powered mobility training. Thus, we developed the Kinect-Wheelchair Interface Controlled (KWIC) smart wheelchair trainer that converts a manual wheelchair into a powered wheelchair. The KWIC Trainer uses computer vision to...

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Vydáno v:Assistive technology Ročník 27; číslo 3; s. 183 - 192
Hlavní autoři: Zondervan, Daniel K., Secoli, Riccardo, Darling, Aurelia Mclaughlin, Farris, John, Furumasu, Jan, Reinkensmeyer, David J.
Médium: Journal Article
Jazyk:angličtina
Vydáno: United States Taylor & Francis 03.07.2015
Témata:
Algorithms
cerebral palsy
Cerebral Palsy - rehabilitation
Child
Equipment Design
Humans
powered mobility training
shared control
smart wheelchair
User-Computer Interface
Video Games
virtual reality
Wheelchairs
cerebral palsy
powered mobility training
virtual reality
shared control
smart wheelchair
ISSN:1040-0435, 1949-3614
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Shrnutí:Background: Children with severe disabilities are sometimes unable to access powered mobility training. Thus, we developed the Kinect-Wheelchair Interface Controlled (KWIC) smart wheelchair trainer that converts a manual wheelchair into a powered wheelchair. The KWIC Trainer uses computer vision to create a virtual tether with adaptive shared-control between the wheelchair and a therapist during training. It also includes a mixed-reality video game system. Methods: We performed a year-long usability study of the KWIC Trainer at a local clinic, soliciting qualitative and quantitative feedback on the device after extended use. Results: Eight therapists used the KWIC Trainer for over 50 hours with 8 different children. Two of the children obtained their own powered wheelchair as a result of the training. The therapists indicated the device allowed them to provide mobility training for more children than would have been possible with a demo wheelchair, and they found use of the device to be as safe as or safer than conventional training. They viewed the shared control algorithm as counter-productive because it made it difficult for the child to discern when he or she was controlling the chair. They were enthusiastic about the video game integration for increasing motivation and engagement during training. They emphasized the need for additional access methods for controlling the device. Conclusion: The therapists confirmed that the KWIC Trainer is a useful tool for increasing access to powered mobility training and for engaging children during training sessions. However, some improvements would enhance its applicability for routine clinical use.
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ISSN:1040-0435
1949-3614
DOI:10.1080/10400435.2015.1012607