Gyro-based odometry associated with steering characteristics for wheeled mobile robot in rough terrain

Takuma Nagata, Genya Ishigami

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Mobile robot used for planetary exploration performs several scientific missions over long distance travel and needs to have a high degree of autonomous mobility system because the communication delay from the Earth impedes its direct teleoperation. Localization of a mobile robot is of particular importance on the autonomous mobility. Classical localization methods such as wheel/visual odometry have been widely investigated and demonstrated, but they possess a well-known trade-off between computational cost and localization accuracy. This paper proposes an accurate gyro-based odometry method for a wheeled mobile robot in rough terrain. The robot in rough terrain is often subject to large wheel slip or vehicle sideslip related with its steering maneuver, and those slips degrade the localization accuracy. The basic approach of the proposed method is to exploit odometry data for the robot distance traveled as well as gyroscope data for the robot heading calculation; however each data-set is weighted in accordance with steering characteristics of a robot in rough terrain. The usefulness of the proposed method is examined through field experiments using a wheeled mobile robot testbed in Martian analog site. The experimental result confirms that the proposed method accurately estimates the robot trajectory.

Original languageEnglish
Pages (from-to)1495-1508
Number of pages14
JournalAdvanced Robotics
Volume30
Issue number23
DOIs
Publication statusPublished - 2016 Dec 1

Fingerprint

Mobile robots
Robots
Wheels
Gyroscopes
Remote control
Testbeds
Earth (planet)
Trajectories
Communication
Costs
Experiments

Keywords

  • gyro-based odometry
  • Localization
  • rough terrain
  • rover
  • steering characteristics

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Software
  • Human-Computer Interaction
  • Hardware and Architecture
  • Computer Science Applications

Cite this

Gyro-based odometry associated with steering characteristics for wheeled mobile robot in rough terrain. / Nagata, Takuma; Ishigami, Genya.

In: Advanced Robotics, Vol. 30, No. 23, 01.12.2016, p. 1495-1508.

Research output: Contribution to journalArticle

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