A three dimensional localiser for autonomous robot vehicles

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Abstract

A novel design of a three dimensional localiser intended for autonomous robot vehicles is presented. A prototype is implemented in air using ultrasonic beacons at known positions, and can be adapted to underwater environments where it has important applications, such as deep sea maintenance, data collection and reconnaissance tasks. The paper presents the hardware design, algorithms for position and orientation determination (six degrees of freedom), and performance results of a laboratory prototype. Two approaches are discussed for position and orientation determination - (i) fast single measurement set techniques and (ii) computationally slower Kalman filter based techniques. The Kalman filter approach allows the incorporation of robot motion information, more accurate beacon modelling and the capability of processing data from more than four beacons, the minimum number required for localisation.

Original languageEnglish
Pages (from-to)87-94
Number of pages8
JournalRobotica
Volume13
Issue number1
DOIs
Publication statusPublished - 1 Jan 1995

Keywords

  • 3-D localisation
  • filtenng
  • Kalman
  • Orientation
  • Position estimation
  • Ultrasonic navigation
  • Underwater vehicles

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