Acoustic robot navigation using distributed microphone arrays

Qing Wang, Teodor Ivanov, Parham Aarabi

Research output: Contribution to journalArticle

43 Citations (Scopus)

Abstract

This paper presents a method for the navigation of a mobile robot using sound localization in the context of a robotic lab tour guide. Sound localization, which is achieved using an array of 24 microphones distributed on two walls of the lab, is performed whenever the robot speaks as part of the tour. The SRP-PHAT sound localization algorithm is used to estimate the current location of the robot using approximately 2 s of recorded signal. Navigation is achieved using several stops during which the estimated location of the robot is used to make course adjustments. Experiments using the acoustic robot navigation system illustrate the accuracy of the proposed technique, which resulted in an average localization error of about 7 cm close to the array and 30 cm far away from the array.

Original languageEnglish (US)
Pages (from-to)131-140
Number of pages10
JournalInformation Fusion
Volume5
Issue number2
DOIs
StatePublished - Jun 2004
Externally publishedYes

Fingerprint

Microphones
Navigation
Acoustics
Robots
Acoustic waves
Navigation systems
Mobile robots
Robotics
Experiments

Keywords

  • Microphone arrays
  • Robot navigation
  • Sound localization

ASJC Scopus subject areas

  • Information Systems
  • Signal Processing
  • Engineering(all)

Cite this

Acoustic robot navigation using distributed microphone arrays. / Wang, Qing; Ivanov, Teodor; Aarabi, Parham.

In: Information Fusion, Vol. 5, No. 2, 06.2004, p. 131-140.

Research output: Contribution to journalArticle

Wang, Qing ; Ivanov, Teodor ; Aarabi, Parham. / Acoustic robot navigation using distributed microphone arrays. In: Information Fusion. 2004 ; Vol. 5, No. 2. pp. 131-140.
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