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The real objection people have an emergency in walking due to illness or injury. The suggested system is easy and efficient to solve the problem of the disabled person, and it is unique and fully automatic. A wheelchair provides the umbrella, Foot mat, Head mat, and obstacle detection, which does not depend on the ability to participate in society. The humidity sensor checks the weather (rainy/hot/cold), and the head mat works automatically. Also, the ultrasonic sensor is used to detect the obstacle according to the location tracking by the GPS. A prototype system implementation shows that the proposed day/season based system is efficient in interacting with a living environment.
Kumar et al. (Wed,) studied this question.