Influence of acoustical absorbing material on the obstacle detection angle of an ultrasonic sensor

Z. A. Kamarulbaharin, Nur Azzammudin Rahmat

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Navigation aid is mportant for the visually impaired person to travel safely. A white cane is normally used to detect obstacles in the person's path but it is limited in its detecting ability as it can only detect obstacles around the length of the cane and is unable to detect moving or overhanging objects. Many types of navigational aids are being developed using ultrasonic sensors to assist the visually impaired to detect obstacles and they are known as Electronic Travel Aids. This paper is focused on studying the influence of acoustical absorbing material on the obstacle detection angle of an ultrasonic sensor. Results showed that a tube lined with acoustical absorbing material attached to the sensor is able to narrow the detection angle for more precise obstacle detection.

Original languageEnglish
Title of host publicationAdvances in Manufacturing and Mechanical Engineering
Pages988-992
Number of pages5
DOIs
Publication statusPublished - 29 Oct 2013
EventInternational Conference on Advances in Mechanical Engineering 2013, ICAME 2013 - Malacca, Malaysia
Duration: 28 Aug 201329 Aug 2013

Publication series

NameApplied Mechanics and Materials
Volume393
ISSN (Print)1660-9336
ISSN (Electronic)1662-7482

Other

OtherInternational Conference on Advances in Mechanical Engineering 2013, ICAME 2013
CountryMalaysia
CityMalacca
Period28/08/1329/08/13

Fingerprint

Ultrasonic sensors
Navigation
Sensors

All Science Journal Classification (ASJC) codes

  • Engineering(all)

Cite this

Kamarulbaharin, Z. A., & Rahmat, N. A. (2013). Influence of acoustical absorbing material on the obstacle detection angle of an ultrasonic sensor. In Advances in Manufacturing and Mechanical Engineering (pp. 988-992). (Applied Mechanics and Materials; Vol. 393). https://doi.org/10.4028/www.scientific.net/AMM.393.988
Kamarulbaharin, Z. A. ; Rahmat, Nur Azzammudin. / Influence of acoustical absorbing material on the obstacle detection angle of an ultrasonic sensor. Advances in Manufacturing and Mechanical Engineering. 2013. pp. 988-992 (Applied Mechanics and Materials).
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Kamarulbaharin, ZA & Rahmat, NA 2013, Influence of acoustical absorbing material on the obstacle detection angle of an ultrasonic sensor. in Advances in Manufacturing and Mechanical Engineering. Applied Mechanics and Materials, vol. 393, pp. 988-992, International Conference on Advances in Mechanical Engineering 2013, ICAME 2013, Malacca, Malaysia, 28/08/13. https://doi.org/10.4028/www.scientific.net/AMM.393.988

Influence of acoustical absorbing material on the obstacle detection angle of an ultrasonic sensor. / Kamarulbaharin, Z. A.; Rahmat, Nur Azzammudin.

Advances in Manufacturing and Mechanical Engineering. 2013. p. 988-992 (Applied Mechanics and Materials; Vol. 393).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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Kamarulbaharin ZA, Rahmat NA. Influence of acoustical absorbing material on the obstacle detection angle of an ultrasonic sensor. In Advances in Manufacturing and Mechanical Engineering. 2013. p. 988-992. (Applied Mechanics and Materials). https://doi.org/10.4028/www.scientific.net/AMM.393.988