Wheelchairs

Powered Wheelchairs

This document gives information about the usage of wheelchairs based on renewable energy systems. The renewable energy systems which are discussed in this paper are batteries and solar panels. It also gives a report on the efficiency and durability of batteries and solar panels.Explanatory material is followed by a worked example and problems with answers. ————————————————————

Types of wheelchairs.

*Dimensions given here for seat width and depth relate to space available to the occupant and are not overall dimensions for the chair or its components . floor vary with the width approximately as shown in Table 1. Selection of the proper seat width is important to comfort and stability . A seat too narrow is not only uncomfortable, but access to the chair is made difficult. Furthermore, the c...

Smart wheelchairs: A literature review.

Several studies have shown that both children and adults benefit substantially from access to a means of independent mobility. While the needs of many individuals with disabilities can be satisfied with traditional manual or powered wheelchairs, a segment of the disabled community finds it difficult or impossible to use wheelchairs independently. To accommodate this population, researchers have...

Automatic transmission for electric wheelchairs.

A new infinitely variable automatic transmission called the RESATRAN that automatically changes its speed ratio in response to load torque being transmitted is presented. A prototype has been built and tested on a conventional three-wheeled electric motor propelled wheelchair. It is shown theoretically that more than 50 percent reduction in power during hill climbing may be expected when a tran...

Wheelchairs and marathon road racing.