The Study of Motorized Accessories for Towing Wheelchair with Innovative Problem-Solving Theory
Keywords:
Wheelchair, Design and Development, Theory of Inventive Problem Solving (TRIZ)Abstract
The objectives of this research were 1) to compare materials and accessories towing wheelchairs for the disabled, 2) to analyze wheelchairs for the disabled using innovative problem- solving theory, and 3) to assess the needs and necessities for wheelchair towing accessories for people with disabilities. The sample consisted of 30 people with mobility disabilities at the Center Production of Assistive Devices, Songkhla Province. The statistics used in the data analysis were mean, percentage, standard deviation and the Needs Assessment (PNI Modified). The results showed that the material used to create prototypes of wheelchair accessories for people with disabilities should be steel because it is cheaper, stronger, and more durable than aluminum. The use of motor systems and electric brake to drive wheelchair accessories allows people with disabilities to do activities and travel independents. The method of use can be disassembling the towing device and assembled with a wheelchair. The steel structure is used as a substitute material that can be easily serviced as a prototype equipment for the mobility disabilities who can travel independently for self-activity
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