An electronic gadget to control wheelchair motion using tongue gesture

International Journal of Pharmacy and Biomedical Engineering

© 2017 by SSRG - IJPBE Journal

Volume 4 Issue 1

Year of Publication : 2017

Authors : K.S.Abbirame, A.S.Haripriya, V.Aravind and G.Jamuna

10.14445/23942576/IJPBE-V4I1P101

How to Cite?

K.S.Abbirame, A.S.Haripriya, V.Aravind and G.Jamuna, "An electronic gadget to control wheelchair motion using tongue gesture," SSRG International Journal of Pharmacy and Biomedical Engineering, vol. 4,  no. 1, pp. 1-3, 2017. Crossref, https://doi.org/10.14445/23942576/IJPBE-V4I1P101

Abstract:

Tongue drive system (TDS) is a tongue operated unobtrusive assistive technology, which can potentially provide people with severe disabilities with effective access and environment control. It translate user’s intentions into control commands by detecting and classifying their voluntary tongue motion utilizing a small permanent magnet, secured on the tongue and an array of magnetic sensors mounted on the mouth the magnetic sensor are nothing but hall effect sensors. a hall effect sensor is a transducer that varies its output voltage in response to changes in magnetic field .in its simplest form the sensor operates as an analogue transducer, directly returning a voltage. With a known magnetic field, its distance from the hall plate can be determined. Wheel chair is made up of high torque geared DC motors, the motors direction can be changed through the set of instructions given from the hall effect sensor and the action of these instructions is already loaded into the microcontroller using embedded C programming. Complete system proposed in this paper has been designed around PIC microcontroller and a RF module. The design has been tested and result achieved confirms the design approach illustrated.

Keywords:

Permanent magnet, Hall Effect sensor, DC motor, microcontroller.

References:

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