Excavation model of soil sampling device based on particle image velocimetry

Daiki Mori, Genya Ishigami

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

This work aims to establish an energy-efficient strategy for sampling Martian subsurface soil for future extraterrestrial-life exploration missions. To this end, requirements for a robotic arm are carefully examined and an end-effector shape suitable for subsurface soil sampling is determined. A soil-tool interaction model is formulated based soil-flow measured by particle image velocimetry (PIV). The proposed model calculates the resistance forces and torque generated during the sampling procedure and is validated through a comparison of experimental data obtained from the force sensor and numerical data calculated from the proposed model. Results indicate that the proposed model provides an accurate estimation of the force generated during soil sampling. Furthermore, the interaction model is capable of estimating the robotic arm's energy consumption and calculating the most efficient tool size to use.

Original languageEnglish
Pages (from-to)19-29
Number of pages11
JournalJournal of Terramechanics
Volume62
DOIs
Publication statusPublished - 2015 Dec 1

Fingerprint

Excavation
Velocity measurement
Sampling
Soils
Robotic arms
End effectors
Energy utilization
Torque
Sensors

Keywords

  • End-effector
  • Planetary rovers
  • Robotic arm
  • Soil sampling

ASJC Scopus subject areas

  • Mechanical Engineering

Cite this

Excavation model of soil sampling device based on particle image velocimetry. / Mori, Daiki; Ishigami, Genya.

In: Journal of Terramechanics, Vol. 62, 01.12.2015, p. 19-29.

Research output: Contribution to journalArticle

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