Ultrasonic-based localization for mobile robots incorporating zig-bee modules

Chen Chien Hsu, Chien Yu Lai, June Wei Huang, Yu Hung Chen

Research output: Contribution to journalArticle

Abstract

In this paper, an ultrasonic-based localization method for mobile robots is proposed. Experiment environment includes a mobile robot and four emitter poles forming a square around the measuring site. Ultrasonic sensors built on the top of the emitter poles serve as transmitters and the mobile robot as a receiver. A Zig-Bee module is integrated with each of the ultrasonic sensor so as to provide wireless communication between the robot and the emitter poles for transmitting commands and receiving measurements. To avoid interference of ultrasonic signals simultaneously transmitted, the ultrasonic sensors on the emitter poles are instructed to transmit signals in a sequential order. The ultrasonic sensor in the robot can then measure the time-of-flight (TOF) without interference to calculate the distance between the receiver and transmitter ends. According to an established three dimensional coordinate model, position of the robot can be obtained based on the distance measurements. To process the distance measurements for calculating the 3D coordinates, a H8tiny-3694 processor is built into the robot. Thanks to Zig-Bee modules, position information of the robot can be instantly conveyed to a remote PC for monitoring the robot and path planning. Extensive experiments conducted have shown a satisfactory accuracy of the coordinates of the mobile robot can be obtained via the proposed localization scheme.

Original languageEnglish
Pages (from-to)185-189
Number of pages5
JournalJournal of Harbin Institute of Technology (New Series)
Volume15
Issue numberSUPPL. 2
Publication statusPublished - 2008 Jul 1

Fingerprint

Mobile robots
Ultrasonic sensors
Ultrasonics
Robots
Poles
Distance measurement
Transmitters
Motion planning
Experiments
Monitoring
Communication

Keywords

  • Distance measurement
  • Localization
  • Micro controller
  • Robots
  • Ultrasonic
  • Zig-Bee

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Ultrasonic-based localization for mobile robots incorporating zig-bee modules. / Hsu, Chen Chien; Lai, Chien Yu; Huang, June Wei; Chen, Yu Hung.

In: Journal of Harbin Institute of Technology (New Series), Vol. 15, No. SUPPL. 2, 01.07.2008, p. 185-189.

Research output: Contribution to journalArticle

Hsu, Chen Chien ; Lai, Chien Yu ; Huang, June Wei ; Chen, Yu Hung. / Ultrasonic-based localization for mobile robots incorporating zig-bee modules. In: Journal of Harbin Institute of Technology (New Series). 2008 ; Vol. 15, No. SUPPL. 2. pp. 185-189.
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