Abstract
ObjectivesThe objective of this study is to highlight the effect of a robotic driver assistance module of powered wheelchair (PWC), using infrared sensors and accessorizing a commercial wheelchair) on the reduction of the number of collisions in standardized circuit in a population with neurological disorders by comparing driving performance with and without assistance.MethodsThis is a prospective, single-center, controlled, repeated measure design, single-blind pilot study including patients with neurological disabilities who are usual drivers of electric wheelchairs. The main criterion for evaluating the device is the number of collisions with and without the assistance of a prototype anti-collision system on three circuits of increasing complexity. Travel times, cognitive load, driving performance, and user satisfaction are also analyzed.Results23 Patients, 11 women and 12 men with a mean age of 48 years old completed the study. There was a statistically significant reduction in the number of collisions on the most complex circuit: 61% experienced collisions without assistance versus 39% with assistance (p = 0.038).ConclusionThis study concludes that the PWC driving assistance module is efficient in terms of safety without reducing the speed of movement in a population of people with disabilities who are habitual wheelchair drivers. The prospects are therefore to conduct tests on a target population with driving failure or difficulty who could benefit from this device so as to allow them to travel independently and safely.
Highlights
Most people with disabilities need help getting around and often use technical mobility aids
Our study reports statistically significant results on the number of collisions, leading to the conclusion that the electric wheelchair driver assistance module is effective in enhancing user safety, despite a difference in travel time
As part of the European ADAPT project, the driver assistance module makes it possible to navigate in safety as shown by the significant reduction in the number of collisions thanks to a system adaptable to any model of electric wheelchair based on inexpensive ultrasound technology
Summary
Most people with disabilities need help getting around and often use technical mobility aids. If the risk of collisions with the environment seems too high, this may lead to restriction in using PWC and to a limitation of mobility by extension of the daily autonomy of these people [9,10,11]. In these situations wheelchair skills training program, and driving assistance may allow some patients to use an electric wheelchair [12]. Lack of technical assistance may increase activity limitations and restrictions on life in society and on social participation. A study carried out by the Breizh Cerebral Palsy Network has shown the negative impact of limitations in moving around on the quality of life [13]
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