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Title: Point to Point Distance Measurement Using Ultrasonic for Excellent Stick
Authors: Palee, Rabin 
Innet, Supachate 
Chamnongthai, Kosin 
Eurviriyanukul, Chaiyong 
Issue Date: 2005
Publisher: University of the Thai Chamber of Commerce
University of the Thai Chamber of Commerce
Source: Rabin Palee, Supachate Innet, Kosin Chamnongthai, Chaiyong Eurviriyanukul (2005) Point to Point Distance Measurement Using Ultrasonic for Excellent Stick. UTCC Engineering Research Papers.
Journal: UTCC Engineering Research Papers
Abstract: Since sometimes blind people collide againsthigh and moving obstacles, we need obstacle-sensingfunction in front of the blind people. This paper proposes amethod of point-to-point distance measurement usingultrasonic for excellent stick in order to detect moving andhigh obstacles. In this method, we apply ultrasonic wavetechnique to measure distance to obstacles, since it does notdisturb other people. By setting two ultrasonic sensors onthe stick, one for transmission and the other for reception,the moving and high obstacles are detected before colliding.Moreover, embedded systems are employed in the system inorder to reduce system size and cost, as well as savingenergy. In experiments (with wood, concrete, plastic, etc asobstacles), the results reveal distance measurement accuracy95 % approximately.
ISSN: 1906-1625
Rights: This work is protected by copyright. Reproduction or distribution of the work in any format is prohibited without written permission of the copyright owner.
Appears in Collections:EN: Journal Articles

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