The use of virtual reality to train powered wheelchair users and test new wheelchair systems

Stott, Ian; Sanders, David

doi:10.1097/00004356-200023040-00009

Cited by 49 publications

(43 citation statements)

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“…We attribute this to VR training systems being predominately non-contact [38]. In our implementation negotiating doorways in VR is considerably less difficult and hazardous than in the real world, where users need to be extra careful not to crash into walls and hurt their fingers, knees, etc.. Consequently, we can assume that to simulate such tasks realistically, such as negotiating doorways and corridors, we would need some form of force feedback for when we hit the doorway.…”

Section: Discussionmentioning

confidence: 99%

“…In our implementation negotiating doorways in VR is considerably less difficult and hazardous than in the real world, where users need to be extra careful not to crash into walls and hurt their fingers, knees, etc.. Consequently, we can assume that to simulate such tasks realistically, such as negotiating doorways and corridors, we would need some form of force feedback for when we hit the doorway. Moreover, as discussed by Stott and Sanders [38], training for such fine adjustments in navigation of the physical wheelchair can not be simulated in VR without mechanisms that convincingly replicate the wheelchair's physical properties (e.g., weight, rigidity, etc.) and movement char-acteristics, such as breaking smoothness, rotational acceleration, and friction when sliding around physical objects.…”

Section: Discussionmentioning

confidence: 99%

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The Implementation and Validation of a Virtual Environment for Training Powered Wheelchair Manoeuvres

John

Pop

Day

et al. 2018

IEEE Trans. Visual. Comput. Graphics

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Abstract-Navigating a powered wheelchair and avoiding collisions is often a daunting task for new wheelchair users. It takes time and practice to gain the coordination needed to become a competent driver and this can be even more of a challenge for someone with a disability. We present a cost-effective virtual reality (VR) application that takes advantage of consumer level VR hardware. The system can be easily deployed in an assessment centre or for home use, and does not depend on a specialized high-end virtual environment such as a Powerwall or CAVE. This paper reviews previous work that has used virtual environments technology for training tasks, particularly wheelchair simulation. We then describe the implementation of our own system and the first validation study carried out using thirty three able bodied volunteers. The study results indicate that at a significance level of 5% then there is an improvement in driving skills from the use of our VR system. We thus have the potential to develop the competency of a wheelchair user whilst avoiding the risks inherent to training in the real world. However, the occurrence of cybersickness is a particular problem in this application that will need to be addressed.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

The Implementation and Validation of a Virtual Environment for Training Powered Wheelchair Manoeuvres

John

Pop

Day

et al. 2018

IEEE Trans. Visual. Comput. Graphics

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“…Raw data from the driving trials were processed to derive certain performance metrics for driving performance. These metrics are derived from their equivalents in computer access research 21 and have been used in past research to evaluate wheelchair 8,9,11,22 and car driving 23 in VEs. Trial completion time was the time taken to complete all components of the driving circuit in the virtual simulation.…”

Section: Data Preprocessing and Statistical Analysesmentioning

confidence: 99%

Assessment of wheelchair driving performance in a virtual reality-based simulator

Mahajan

Dicianno

Cooper

et al. 2013

The Journal of Spinal Cord Medicine

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Objective: To develop a virtual reality (VR)-based simulator that can assist clinicians in performing standardized wheelchair driving assessments. Design: A completely within-subjects repeated measures design. Methods: Participants drove their wheelchairs along a virtual driving circuit modeled after the Power Mobility Road Test (PMRT) and in a hallway with decreasing width. The virtual simulator was displayed on computer screen and VR screens and participants interacted with it using a set of instrumented rollers and a wheelchair joystick. Driving performances of participants were estimated and compared using quantitative metrics from the simulator. Qualitative ratings from two experienced clinicians were used to estimate intraand inter-rater reliability. Results: Ten regular wheelchair users (seven men, three women; mean age ± SD, 39.5 ± 15.39 years) participated. The virtual PMRT scores from the two clinicians show high inter-rater reliability (78-90%) and high intra-rater reliability (71-90%) for all test conditions. More research is required to explore user preferences and effectiveness of the two control methods (rollers and mathematical model) and the display screens. Conclusions: The virtual driving simulator seems to be a promising tool for wheelchair driving assessment that clinicians can use to supplement their real-world evaluations.

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“…This team worked on wheelchair obstacles avoidance, by using virtual reality for helping elderly people who have learning problems for manipulating a mobility system (Stott et al, 2000). The goal is to study different learning applications using virtual reality and their clinical involving for patients suffering from mobility problems.…”

Section: Dynamic System Engineering Research Group Portsmouth Univermentioning

confidence: 99%

Electric Wheelchair Navigation Simulators: why, when, how?

Abellard

Randria²,

Abellard

et al. 2010

Mechatronic Systems Applications

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The use of virtual reality to train powered wheelchair users and test new wheelchair systems

Cited by 49 publications

References 0 publications

The Implementation and Validation of a Virtual Environment for Training Powered Wheelchair Manoeuvres

The Implementation and Validation of a Virtual Environment for Training Powered Wheelchair Manoeuvres

Assessment of wheelchair driving performance in a virtual reality-based simulator

Electric Wheelchair Navigation Simulators: why, when, how?

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