2010
DOI: 10.1108/01439911011018939
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Improving wheelchair‐driving using a sensor system to control wheelchair‐veer and variable‐switches as an alternative to digital‐switches or joysticks

Abstract: Powered-wheelchair transducers and systems are presented that provided more control, reduced veer on slopes, and improved energy conservation, while reducing effort. They are especially significant for people with movement disorders who lack sufficient hand-grasp and release ability or sufficient targeting skill to use joysticks. Design/methodologies/approach Laboratory test rigs were created to test the proportional switches and to teach potential users. Then a rolling road was created and trials were conduct… Show more

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Cited by 44 publications
(52 citation statements)
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“…The method is being successfully used with sensors [15,16] mobile robots [17,18,19,20,21] and wheelchairs [22,23].…”
Section: -D Slicesmentioning
confidence: 99%
“…The method is being successfully used with sensors [15,16] mobile robots [17,18,19,20,21] and wheelchairs [22,23].…”
Section: -D Slicesmentioning
confidence: 99%
“…Fig. 1 The tele-operated mobile robot being remotely driven along a corridor Mobile robots need to avoid obstacles [16]. Numerous sensors have been suggested to avoid local obstacles, for example: laser or structured light [17]; ultrasonic [18]; and infra-red [19].…”
Section: Introductionmentioning
confidence: 99%
“…This unintended veer results from the moment arm of the center of gravity about the downhill‐side wheel, which affects the running direction of front casters. In order to overcome this unstable behavior of wheelchairs, safety systems with a downhill turning prevention control (DTPC) have been developed by some researchers and wheelchair suppliers [2,3]. A standard DTPC system is designed to automatically detect and compensate for gravity‐ or terrain‐induced behaviors of wheelchairs [2–4].…”
Section: Introductionmentioning
confidence: 99%
“…In order to overcome this unstable behavior of wheelchairs, safety systems with a downhill turning prevention control (DTPC) have been developed by some researchers and wheelchair suppliers [2,3]. A standard DTPC system is designed to automatically detect and compensate for gravity‐ or terrain‐induced behaviors of wheelchairs [2–4]. Power wheelchairs with DTPC are already commercially available like ‘G‐Trac ™ ’ by Invacare ® .…”
Section: Introductionmentioning
confidence: 99%