University of Oulu

Soomro, S., Nanjappan, V., & Georgiev, G. (2022). Designing and integrating electronics for bespoke rehabilitation experiences in virtual reality. Computer-Aided Design and Applications, 99–110.

Designing and integrating electronics for bespoke rehabilitation experiences in virtual reality

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Author: Soomro, Sohail Ahmed1,2; Nanjappan, Vijayakumar1; Georgiev, Georgi V.1
Organizations: 1Center for Ubiquitous computing, University of Oulu, Finland
2Sukkur IBA University, Pakistan
Format: article
Version: published version
Access: open
Online Access: PDF Full Text (PDF, 0.5 MB)
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Language: English
Published: CAD Solutions, 2022
Publish Date: 2023-01-20


Available virtual reality (VR) input devices, such as controllers enabling user interaction with the virtual environment, typically do not meet the requirements for rehabilitation. The therapeutic exercises used in the treatment of neurological disorders (e.g., stroke or musculoskeletal injuries) are mainly associated with rehabilitating the muscles of the arm, wrist, and fingers. Design requirements for devising a therapeutic interaction technique for VR rehabilitation training systems (RTSs) include sensing, identifying other input requirements, and setting exercise parameters using outputs. Therefore, dedicated electronics solutions are needed to meet the needs of bespoke rehabilitation experiences in VR. In this study, therapeutic interaction requirements were identified by exploring therapeutic exercises. The aim is to provide a dedicated electronics solution incorporating input and output systems developed for therapeutic purposes. We identify design requirements to be considered when designing and implementing electronics for rehabilitation training in VR. These cover power, connectivity, modularity, and operational and physical design requirements. The proposed electronics solution fulfills these requirements and is integrated into a bespoke controller for VR rehabilitation. Furthermore, in this article, we (1) provide a set of design principles for designing a therapeutic interaction technique for VR headsets; (2) describe the process involved in the design and integration of electronics for bespoke rehabilitation experiences; (3) demonstrate how the electronics meet the requirements of the prototyping development process; and (4) describe the design and working principles and integration of custom electronics in a bespoke controller for VR rehabilitation. The proposed electronics solution fulfills the requirements of bespoke controller designs and provides per-patient customized interactions. Moreover, the solution allows for adjustment of the level of the rehabilitation exercises using outputs and recording of the patient performance data, which can be utilized by therapists.

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Series: Computer-aided design and applications
ISSN: 1686-4360
ISSN-E: 1686-4360
ISSN-L: 1686-4360
Volume: 20
Issue: S6
Pages: 99 - 110
DOI: 10.14733/cadaps.2023.s6.99-110
Type of Publication: A1 Journal article – refereed
Field of Science: 113 Computer and information sciences
3141 Health care science
217 Medical engineering
Funding: Supported by European Union’s Horizon 2020 programme: [Grant Number H2020-856998].
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