Development of Transport for Disabled People on the Example of Wheelchair Propulsion with Cam-Thread Drive

Jarosław Gabryelski, Przemysław Kurczewski, Maciej Sydor, Agnieszka Szperling, Dariusz Torzyński and Marek Zabłocki
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Jarosław Gabryelski: Faculty of Civil and Transport Engineering, Poznan University of Technology, 60-965 Poznań, Poland
Przemysław Kurczewski: Faculty of Civil and Transport Engineering, Poznan University of Technology, 60-965 Poznań, Poland
Maciej Sydor: Faculty of Forestry and Wood Technology, Poznań University of Life Sciences, 60-637 Poznań, Poland
Agnieszka Szperling: Faculty of Civil and Transport Engineering, Poznan University of Technology, 60-965 Poznań, Poland
Dariusz Torzyński: Faculty of Civil and Transport Engineering, Poznan University of Technology, 60-965 Poznań, Poland
Marek Zabłocki: Faculty of Civil and Transport Engineering, Poznan University of Technology, 60-965 Poznań, Poland

Energies, 2021, vol. 14, issue 23, 1-13

Abstract: The increasingly frequent use of electric drives is a new direction of development in personal transport. Sometimes these drives take over the work of human muscles, and sometimes they only support them. This is particularly evident in means of transport such as bicycles and scooters, but also in transporting people with disabilities. This study questions whether this is the only right development direction, and explores the possibility of developing means of transport for the more effective use of human muscles by proposing new structural solutions. We identified that such an action favors the minimization of the environmental load generated by technical facilities and, at the same time, may be a response to social needs resulting from the principles of sustainable development. This paper presents the operation principle of the innovative Wheelchair Cam-thread Drive (WCD), followed by field tests, laboratory measurements and biomechanical analyses of the WCD, comparing it with a typical Wheelchair Push-rim Drive (WPD). We found that the WCD allows efficient driving on flat and level surfaces, but its propulsion method can adversely alter the location of the center of gravity on the human-wheelchair system. A brake is also required to control the driving speed. Ultimately, the WCD was found to put less strain on the human movement system, so it could be used for rehabilitation exercises. The WCD appears to be a promising design, deserving further research into the drive biomechanics and the optimization of the mechanism operation. Such an innovative manual drive presents an interesting alternative to electric drives.

Keywords: alternative sustainable transport; muscle energy; muscle drive; wheelchair; wheelchair propulsion; self-propelled wheelchair; person with a disability; sustainable personal transport; personal transporter; eco-friendly drive (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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