Design And Development Of Tactile Detection By Using RFID Method

Ang, Soon Chang (2013) Design And Development Of Tactile Detection By Using RFID Method. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

Over the past few decades, for visually impaired people, orientation and mobility are very difficult especially in unknown environment or a place which not design with assistive purpose. In this modern era, independent mobility for blind and partially sighted people is an important objective to achieve. There are many assistive way to help visually impaired people namely, Guide Dog, White Cane as well as the tactile paving which is a very common assistive tool throughout the world, support the visually disable person walk in the correct path from one place to another. Moreover, RFID technology is introduced in this project to support the visual disable people more efficiently in outdoor activities. The system has been developed based on the integration of RFID wireless technology and voice system which assembled on the normal white cane in order to help the visual impairment to identify the surrounding landmark via verbal notification. The tactile detection by RFID system composed by RFID system integrated on normal white cane and RFID TAG which installed on the tactile paving where the TAG stored unique information uses to navigate/notify the user once they scan/tap the tactile paving by the designed white cane. Furthermore, four experiments were carried out to analyses the performance of the system such as the reading range where the readable distance and position of the embedded TAG can be detected. The analysis also included the finding of the performance of the system when obstacle is introduced between the RFID antenna and TAG. Result showing that the antenna installed 1.7cm apart from the floor level is within the optimum range and light obstacle such as paper will not affect the reading performance although the reading range is slightly reduced. Due to no vision support, visual impairment unable to get the landmark information around them, thus the mobility aid by voice will brings benefits for them.

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