Implementation of Electric Wheelchair with Microcontroller

Pititeeraphab, Yutthana and Chaichana, Thanapong and Thongpance, Nuntachai (2016) Implementation of Electric Wheelchair with Microcontroller. International Journal of Electronics and Electrical Engineering, 4 (3). pp. 253-257. ISSN 2301-380X

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Official URL: http://dx.doi.org/10.12720/ijeee

Abstract

This paper presents the design of electric wheelchair. We build machine that is capable to attach with any traditional wheelchair, and to control its movement semi-automatically. This helps handicapped person who has difficult body-movement to be able to travel simply. The machine comprises of power-driven system including a metal tube frame, wheels, motor, brake and accelerator, and electronic control department based H-bridge circuit and programmable microcontroller with the ATmega168. Software was developed in C++ language for programming microcontroller. Technical test was done on H-bridge circuit to confirm an accurate functioning in controlling direct current motor. Running test was on flat straight and slope courses. Result showed that it achieved a maximum load is 100 kilograms with a top speed of 8.42 kilometres per hour, and the average of battery lifetime is up to 1 hour and 30 minutes. Thus, we build a cost effective machine to provide an opportunity to translate conventional wheelchair to be an electric wheelchair.

Item Type: Article
Keywords: Microcontroller Wheelchair H-bridge circuit
Faculty / Department: Faculty of Science > Mathematics and Computer Science
Depositing User: Thanapong Chaichana
Date Deposited: 24 Nov 2016 16:00
Last Modified: 24 Nov 2016 16:00
URI: http://hira.hope.ac.uk/id/eprint/1516

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