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Sensor-Based Navigation of Agricultural Autonomous Mobile Robots

[+] Author Affiliations
F. Heidari, M. Vakil, R. Fotouhi

University of Saskatchewan, Saskatoon, SK, Canada

Paper No. DETC2012-71348, pp. 901-908; 8 pages
doi:10.1115/DETC2012-71348
From:
  • ASME 2012 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
  • Volume 4: 36th Mechanisms and Robotics Conference, Parts A and B
  • Chicago, Illinois, USA, August 12–15, 2012
  • Conference Sponsors: Design Engineering Division, Computers and Information in Engineering Division
  • ISBN: 978-0-7918-4503-5
  • Copyright © 2012 by ASME

abstract

Investigation on development of autonomous mobile robots for agricultural use in a complex and mostly unstructured environment is studied. An approach that uses fuzzy-logic control and distance-based sensory data for real-time navigation of a mobile robot in an unknown farm setting is proposed. This approach requires no prior knowledge of the environment and adjusts a safety margin to cope with dynamic and unforeseen conditions. The simulation and experimental results indicate that the proposed strategy navigates robot in different conditions safely and efficiently. Comparing our results with vector field histogram and preference-based fuzzy approaches revealed that the approach suggested here produces shorter and smoother paths toward goal in almost all of the test cases examined.

Copyright © 2012 by ASME

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