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PUBLICATION

Previous publications of Prof. Nagaoka are listed here.

The thesis list in our laboratory is here.

2024

Journal

Tetherbot: Experimental demonstration and path planning of cable-driven climbing in microgravity
Simon Harms, Carlos Giese, Hiroto Wakizono, Kyosuke Murasaki, Hibiki Kawagoe, Kenji Nagaoka
Robotics, Vol. 13, Issue 9, pp. 1-16, 2024. (doi:10.3390/robotics13090130)

International Conference: Proceedings / Oral Presentation

XCLIMBER: Design and development of an energy-efficient free-climbing robot with self-locking mobility for extreme terrain
Peter Panorel, Kenji Nagaoka
The 8th International Conference on Advanced Mechatronics, 2024. (accepted)

Dynamic fault detection and reconfiguration system for planetary exploration rovers
Jorge Ruben Casir Ricano, Ryota Hino, Tomoki Koshi, Yuzuki Fukata, Taichi Nakamura, Kenji Nagaoka
The 8th International Conference on Advanced Mechatronics, 2024. (accepted)

Dynamics simulation involving entanglement of flexible nets for space debris capture
Tatsuya Oyama, Kenji Nagaoka
The 17th International Symposium on Artificial Intelligence, Robotics and Automation in Space, 2024. (accepted)

Dynamic mode decomposition for PIV-based sand flow field beneath traveling wheel
Ohta Kuramoto, Jorge Ruben Casir Ricano, Kenji Nagaoka
The 21st International and 12th Asia-Pacific Regional Conference of the ISTVS, 2024. (accepted)

Spatio-temporal analysis of sand-dense distribution beneath traveling wheel based on particle image velocimetry
Kenji Nagaoka, Seigo Sakai
The 21st International and 12th Asia-Pacific Regional Conference of the ISTVS, 2024. (accepted)

A novel soil stress estimation method of wheel-soil interaction using photoelasticity
Kenji Nagaoka, Yuto Yoshida
The 21st International and 12th Asia-Pacific Regional Conference of the ISTVS, 2024. (accepted)

Tetherbot: Step planning for a cable-driven climbing robot in microgravity
Simon Harms, Kenji Nagaoka
The 2024 International Conference on Space Robotics, pp. 151-157, 2024.

Robust mobility performance of lunar exploration rovers under multiple wheel failure scenarios
Jorge Ruben Casir Ricano, Ryota Hino, Yuzuki Fukata, Taichi Nakamura, Tomoki Koshi, Sota Yuasa, Kenji Nagaoka
The 2024 International Conference on Space Robotics, pp. 165-171, 2024.

Collaborative robot systems for lunar landing pad construction
Kenji Nagaoka, Genya Ishigami, Munetaka Ueno, Keiji Nagatani
Proceedings of the 29th International Symposium on Artificial Life and Robotics (AROB 29th 2024), pp. 985-986, 2024.
(AROB 29th 2024 is a part of the joint symposium AROB-ISBC-SWARM 2024)

2023

Journal

A photoelastic method for stress analysis of granular terrain beneath a wheel
Yuto Yoshida, Hikari Sakada, Sota Yuasa, Kenji Nagaoka
Journal of Terramechanics, Vol. 110, pp. 69-78, 2023.

A mobile robot driven by uniaxial wave locomotion mechanism
Kento Yoshida, Kenji Nagaoka
ROBOMECH Journal, Vol. 10, No. 21, 2023. (doi: 10.1186/s40648-023-00254-y)

2022

Journal

Bimodal mobility actuated by inertial forces with surface elastic bodies in microgravity
Kenji Nagaoka, Toshiyasu Kaneko, Kazuya Yoshida
Robotica, Vol. 40 , Issue 2 , pp. 294-315, 2022. (published online first on May 11, 2021)

International Conference: Proceedings / Oral Presentation

A tethered-climbing robot system for lunar terrain: Modeling and analysis
Simon Harms, Tomohiro Kawano, Kenji Nagaoka
Proceedings of the 2022 IEEE International Conference on Robotics and Biomimetics, pp. 1537-1544, 2022.

Force chain analysis on wheel-soil interaction using photoelastic method
Yuto Yoshida, Sota Yuasa, Kenji Nagaoka
The 11th Asia-Pacific Regional Conference of the ISTVS, #1-2-B-5, 2022.

2021

Journal

Terrain-dependent slip risk prediction for planetary exploration rovers
Masafumi Endo, Shogo Endo, Kenji Nagaoka, Kazuya Yoshida
Robotica, Vol. 39, Issue 10, pp. 1883-1896, 2021.

International Conference: Proceedings / Oral Presentation

HubRobo: A lightweight multi-limbed climbing robot for exploration in challenging terrain
Kentaro Uno, Naomasa Takada, Taku Okawara, Keigo Haji, Candalot Arthur, Warley F. R. Ribeiro, Kenji Nagaoka, Kazuya Yoshida
Proceedings of the 2020 IEEE-RAS 20th International Conference on Humanoid Robots, pp. 209-215, 2021.

2020

Journal

Analysis of motion control for a quadruped ground-gripping robot for minor body exploration
Warley F. R. Ribeiro, Kentaro Uno, Kenji Nagaoka, Kazuya Yoshida
Transactions of The Japan Society for Aeronautical and Space Sciences, Aerospace Technology Japan, 2020. (accepted)

Soil flow analysis beneath a grouser wheel based on a particle image velocimetry method
Hirotoshi Nakamura, Kenji Nagaoka, Kazuya Yoshida
Journal of Terramechanics, Vol. 91, pp. 233-241, 2020.

DEM analysis and evaluation of hopping motion on a sandy surface in microgravity
Keita Kobashi, Kenji Nagaoka, Kazuya Yoshida
Transactions of The Japan Society for Aeronautical and Space Sciences, Aerospace Technology Japan, 2020. (accepted)

Orbit insertion strategy of Hayabusa2’s rover with the large release uncertainty around the asteroid Ryugu
Yusuke Oki, Kent Yoshikawa, Hiroshi Takeuchi, Shota Kikuchi, Hitosi Ikeda, Daniel Scheeres, Jay W. McMahon, Junichiro Kawaguchi, Yuto Takei, Yuya Mimasu, Naoko Ogawa, Go Ono, Fuyuto Terui, Manabu Yamada, Toru Kouyama, Shingo Kameda, Kazuya Yoshida, Kenji Nagaoka, Tetsuo Yoshimitsu, Takanao Saiki, Yuichi Tsuda
Astrodynamics, Vol. 4, No. 4, pp. 309-329, 2020.

International Conference: Proceedings / Oral Presentation

Tumbling and hopping locomotion control for a minor body exploration robot
Keita Kobashi, Ayumu Bando, Kenji Nagaoka, Kazuya Yoshida
Proceedings of the 2020 IEEE/RSJ International Conference on Intelligent Robots and System, pp. 1871-1878, 2020.

Mobility analysis of a tumbling and hopping rover with an inner actuator and several elastic spikes in microgravity
Keita Kobashi, Kenji Nagaoka, Kazuya Yoshida
Proceedings of the 15th International Symposium on Artificial Intelligence, Robotics and Automation in Space, #5083, 2020.

Non-periodic gait planning based on salient region detection for a planetary cave exploration robot
Kentaro Uno, Yusuke Koizumi, Keigo Haji, Maximilian Keiff, Simon Harms, Warley F. R. Ribeiro, William Jones, Kenji Nagaoka, Kazuya Yoshida
Proceedings of the 15th International Symposium on Artificial Intelligence, Robotics and Automation in Space, #5027, 2020.

Dynamic equilibrium of climbing robots based on stability polyhedron for gravito-inertial acceleration [video]
Warley F. R. Ribeiro, Kentaro Uno, Kenji Nagaoka, Kazuya Yoshida
Proceedings of the 23rd International Conference on Climbing and Walking Robots and the Support Technologies for Mobile Machines, pp. 297-304, 2020.
Third Prize

2019

Journal

Shape effects of wheel grousers on traction performance on sandy terrain
Kenji Nagaoka, Kazumasa Sawada, Kazuya Yoshida
Journal of Terramechanics, Vol. 90, pp. 23-30, 2020. (Available online on 24 August 2019)

Stress distributions of a grouser wheel on loose soil
Shoya Higa, Kenji Nagaoka, Kazuya Yoshida
Journal of Terramechanics, Vol. 85, pp. 15-26, 2019.

International Conference: Proceedings / Oral Presentation

Analysis of motion control for a quadruped ground-gripping robot for minor body exploration
Warley F. R. Ribeiro, Kentaro Uno, Kenji Nagaoka, Kazuya Yoshida
Proceedings of the 32nd International Symposium on Space Technology and Science, #2019-k-33, 2019.
[Selected Paper for JSASS ATJ 32nd ISTS Papers]

DEM analysis of hopping motion on a sandy surface in microgravity
Keita Kobashi, Kenji Nagaoka, Kazuya Yoshida
Proceedings of the 32nd International Symposium on Space Technology and Science, #2019-k-35, 2019.
[Selected Paper for JSASS ATJ 32nd ISTS Papers]

Gait planning for a free-climbing robot based on tumble stability
Kentaro Uno, Warley F. R. Ribeiro, William Jones, Yuki Shirai, Hayato Minote, Kenji Nagaoka, Kazuya Yoshida
Proceedings of the 2019 IEEE/SICE International Symposium on System Integration, pp. 289-294, 2019.

Space Robotics Lab. (Nagaoka Lab.)

Space Robotics Lab. (Nagaoka Lab.)