Remote Sensing Walker

Abdul 'Alim, Abdullah (2009) Remote Sensing Walker. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Remote Sensing Walker (RSW) is a walking support system or assistive device that is capable of supporting people with walking difficulties such as elderly, handicapped persons and persons with leg injuries such as under rehabilitation. RSW consists of a support frame, control box, two castors and two wheels with motor attached to it. Power supply and control circuit are placed inside the control box. The brain of the RSW that is microcontroller, which is part of the control circuit, controls the movement of the two motors in which consequently controls the direction of the RSW. There are three input mechanisms of the RSW in which the user can control to move and direct the RSW that are on-board buttons, handheld remote control and photo-electric sensors. The on-board buttons and handheld remote control navigates the RSW to move in various directions that are left, right, forward, and reverse. To further enhance the capability of RSW to detect obstacle in front, the RSW is equipped with two photo-electronic sensors at the front of support frame. Immediately after an obstacle is detected, the two motors will automatically halt. The main advantage of RSW is that it can be remotely control using radio frequency remote control in which it is capable to be parked out of the way and return back to the user when the user is ready to leave. In fact, the RSW has power assisted device (motor) that increase its mobility. Furthermore, RSW is a mobility aid to encourage walking among people with walking difficulties to reduce the risk of muscle entropy, wasting or loss of muscle tissue resulting from disease or lack of use.

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