Unobtrusive Support System for Prevention of Dangerous Health Conditions in Wheelchair Users

Figure 1

Pictures of the implemented system: (a) front, (b) back, and (c) system ready to use. Unobtrusive sensors are installed on the wheelchair, under backrest foam and pressure relief cushion on the seat. Ambient sensor and accelerometer are attached to wheelchair structure, away from the user. The system is powered by the wheelchair batteries.

(a)

(b)

(c)