Path and sensing point planning for mobile robot navigation to minimize the risk of collision. - Keiji Nagatani; Shin'ichi Yuta (IROS, 1993)

Designing a behavior to open a door and to pass through a door-way using a mobile robot equipped with a manipulator. - Keiji Nagatani; Shin'ichi Yuta (IROS, 1994)

An experiment on opening-door-behavior by an autonomous mobile robot with a manipulator. - Keiji Nagatani; Shin'ichi Yuta (IROS (2), 1995)

Designing strategy and implementation of mobile manipulator control system for opening door. - Keiji Nagatani; Shin'ichi Yuta (ICRA, 1996)

Door-opening behavior of an autonomous mobile manipulator by sequence of action primitives. - Keiji Nagatani; Shin'ichi Yuta (J. Field Robotics, 1996)

Designing a behavior of a mobile robot equipped with a manipulator to open and pass through a door. - Keiji Nagatani; Shin'ichi Yuta (Robotics Auton. Syst., 1996)

Sensor-based planning: using a honing strategy and local map method to implement the generalized Voronoi graph. - Howie Choset; Keiji Nagatani; Alfred A. Rizzi (Mobile Robots, 1997)

Towards Exact Localization without Explicit Localization with the Generalized Voronoi Graph. - Keiji Nagatani; Howie Choset; Sebastian Thrun (ICRA, 1998)

Autonomous mobile robot exploration based on the generalized Voronoi graph in the presence of localization error. - Keiji Nagatani; Howie Choset (Mobile Robots / Intelligent Transportation Systems, 1998)

The Arc-Transversal Median Algorithm: An Approach to Increasing Ultrasonic Sensor Accuracy. - Keiji Nagatani; Howie Choset; Nicole A. Lazar (ICRA, 1999)

Toward robust sensor based exploration by constructing reduced generalized Voronoi graph. - Keiji Nagatani; Howie Choset (IROS, 1999)

Improvement of odometry for omnidirectional vehicle using optical flow information. - Keiji Nagatani; Satoshi Tachibana; Makoto Sofne; Yutaka Tanaka (IROS, 2000)

Sensor based navigation for car-like mobile robots using generalized Voronoi graph. - Keiji Nagatani; Yosuke Iwai; Yutaka Tanaka (IROS, 2001)

Topological simultaneous localization and mapping (SLAM): toward exact localization without explicit localization. - Howie Choset; Keiji Nagatani (IEEE Trans. Robotics Autom., 2001)

Motion planning for mobile manipulator with keeping manipulability. - Keiji Nagatani; Tomonobu Hirayama; Akio Gofuku; Yutaka Tanaka (IROS, 2002)

Editorial: Modern Trends in Mobile Robotics. - Takashi Tsubouchi; Keiji Nagatani (J. Robotics Mechatronics, 2002)

Path evaluation for a mobile robot based on a risk of collision. - Masahiro Irie; Keiji Nagatani; Akio Gofuku (CIRA, 2003)

Three-dimensional localization and mapping for mobile robot in disaster environments. - Keiji Nagatani; Hiroshi Ishida; Satoshi Yamanaka; Yutaka Tanaka (IROS, 2003)

Sensor-based navigation for car-like mobile robots based on a generalized Voronoi graph. - Keiji Nagatani; Yosuke Iwai; Yutaka Tanaka (Adv. Robotics, 2003)

The arc-transversal median algorithm: a geometric approach to increasing ultrasonic sensor azimuth accuracy. - Howie Choset; Keiji Nagatani; Nicole A. Lazar (IEEE Trans. Robotics Autom., 2003)

Motion Planning for Dual-arm Mobile Manipulator - Realization of "Tidying a Room Motion". - Takayasu Takahama; Keiji Nagatani; Yutaka Tanaka (ICRA, 2004)

Three-dimensional localization and mapping for a crawler-type mobile robot in an occluded area using the scan matching method. - Hiroshi Ishida; Keiji Nagatani; Yutaka Tanaka (IROS, 2004)

Motion planning for Mobile Manipulator to Pick up an Object while Base Robot's Moving. - Wanli Shan; Keiji Nagatani; Yutaka Tanaka (ROBIO, 2004)

Long-Term Activities for Autonomous Mobile Robot. - Tomofumi Yamada; Keiji Nagatani; Yutaka Tanaka (FSR, 2005)

Development of a Networked Robotic System for Disaster Mitigation - Test Bed Experiments for Remote Operation over Rough Terrain and High Resolution 3D Geometry Acquisition. - Kazuya Yoshida; Keiji Nagatani; Kiyoshi Kiyokawa; Yasushi Yagi; Tadashi Adachi; Hiroaki Saito; Hiroyuki Tanaka; Hiroyuki Ohno (FSR, 2005)

Development of Optical Communication Marks for Mobile Robots to Recognize Their Environment and to Handle Objects. - Keiji Nagatani; Hiroyasu Sato; Hidenori Tasaka; Akio Gofuku; Yutaka Tanaka (J. Robotics Mechatronics, 2005)

Path Following Control with Slip Compensation on Loose Soil for Exploration Rover. - Genya Ishigami; Keiji Nagatani; Kazuya Yoshida (IROS, 2006)

Development of a Networked Robotic System for Disaster Mitigation, -Navigation System based on 3D Geometry Acquisition. - Andres E. Mora Vargas; Kenzuke Mizuuchi; Daisuke Endo; Eric Rohmer; Keiji Nagatani; Kazuya Yoshida (IROS, 2006)

Development of a Networked Robotic System for Disaster Mitigation. - Keiji Nagatani; Kazuya Yoshida; Kiyoshi Kiyokawa; Yasushi Yagi; Tadashi Adachi; Hiroaki Saitoh; Toshiya Suzuki; Osamu Takizawa (FSR, 2007)

Path Planning for Planetary Exploration Rovers and Its Evaluation based on Wheel Slip Dynamics. - Genya Ishigami; Keiji Nagatani; Kazuya Yoshida (ICRA, 2007)

Improvement of the Odometry Accuracy of a Crawler Vehicle with Consideration of Slippage. - Keiji Nagatani; Daisuke Endo; Kazuya Yoshida (ICRA, 2007)

Path following control for tracked vehicles based on slip-compensating odometry. - Daisuke Endo; Yoshito Okada; Keiji Nagatani; Kazuya Yoshida (IROS, 2007)

Terramechanics-based model for steering maneuver of planetary exploration rovers on loose soil. - Genya Ishigami; Akiko Miwa; Keiji Nagatani; Kazuya Yoshida (J. Field Robotics, 2007)

Development of a Transformable Mobile Robot with a Variable Wheel Diameter. - Keiji Nagatani; Mitsuhiro Kuze; Kazuya Yoshida (J. Robotics Mechatronics, 2007)

Slope traversal experiments with slip compensation control for lunar/planetary exploration rover. - Genya Ishigami; Keiji Nagatani; Kazuya Yoshida (ICRA, 2008)

Vision-based estimation of slip angle for mobile robots and planetary rovers. - Giulio Reina; Genya Ishigami; Keiji Nagatani; Kazuya Yoshida (ICRA, 2008)

Trafficability analysis for lunar/planetary exploration rover using Thrust-Cornering Characteristic Diagram. - Genya Ishigami; Keiji Nagatani; Kazuya Yoshida (IROS, 2008)

Semi-autonomous traversal on uneven terrain for a tracked vehicle using autonomous control of active flippers. - Keiji Nagatani; Ayato Yamasaki; Kazuya Yoshida; Tomoaki Yoshida; Eiji Koyanagi (IROS, 2008)

Improvement of the operability of a tracked vehicle on uneven terrain using autonomous control of active flippers. - Keiji Nagatani; Ayato Yamasaki; Kazuya Yoshida; Tomoaki Yoshida; Eiji Koyanagi (IROS, 2008)

Action planner of hybrid leg-wheel robots for lunar and planetary exploration. - Eric Rohmer; Giulio Reina; Genya Ishigami; Keiji Nagatani; Kazuya Yoshida (IROS, 2008)

Crawler vehicle with circular cross-section unit to realize sideways motion. - Kenjiro Tadakuma; Riichiro Tadakuma; Keiji Nagatani; Kazuya Yoshida; Steven C. Peters; Martin Udengaard; Karl Iagnemma (IROS, 2008)

Scan-Point Planning and 3-D Map Building for a 3-D Laser Range Scanner in an Outdoor Environment. - Keiji Nagatani; Takayuki Matsuzawa; Kazuya Yoshida (FSR, 2009)

Field Experiment on Multiple Mobile Robots Conducted in an Underground Mall. - Tomoaki Yoshida; Keiji Nagatani; Eiji Koyanagi; Yasushi Hada; Kazunori Ohno; Shoichi Maeyama; Hidehisa Akiyama; Kazuya Yoshida; Satoshi Tadokoro (FSR, 2009)

Tracked vehicle with circular cross-section to realize sideways motion. - Kenjiro Tadakuma; Riichiro Tadakuma; Keiji Nagatani; Kazuya Yoshida; Steven C. Peters; Martin Udengaard; Karl Iagnemma (ICRA, 2009)

Slip ratio for lugged wheel of planetary rover in deformable soil: definition and estimation. - Liang Ding 001; Haibo Gao; Zongquan Deng; Kazuya Yoshida; Keiji Nagatani (IROS, 2009)

Parameter identification for planetary soil based on a decoupled analytical wheel-soil interaction terramechanics model. - Liang Ding 001; Kazuya Yoshida; Keiji Nagatani; Haibo Gao; Zongquan Deng (IROS, 2009)

Accurate estimation of drawbar pull of wheeled mobile robots traversing sandy terrain using built-in force sensor array wheel. - Keiji Nagatani; Ayako Ikeda; Keisuke Sato; Kazuya Yoshida (IROS, 2009)

Semi-autonomous operation of tracked vehicles on rough terrain using autonomous control of active flippers. - Yoshito Okada; Keiji Nagatani; Kazuya Yoshida (IROS, 2009)

Throwable tetrahedral robot with transformation capability. - Kenjiro Tadakuma; Riichiro Tadakuma; Keiji Nagatani; Kazuya Yoshida; Aigo Ming; Makoto Shimojo; Karl Iagnemma (IROS, 2009)

Basic running test of the cylindrical tracked vehicle with sideways mobility. - Kenjiro Tadakuma; Riichiro Tadakuma; Keiji Nagatani; Kazuya Yoshida; Aigo Ming; Makoto Shimojo; Karl Iagnemma (IROS, 2009)

Armadillo-inspired wheel-leg retractable module. - Kenjiro Tadakuma; Riichiro Tadakuma; Akira Maruyama; Eric Rohmer; Keiji Nagatani; Kazuya Yoshida; Aiguo Ming; Makoto Shimojo; Mitsuru Higashimori; Makoto Kaneko (ROBIO, 2009)

Applications of Robotics in Society. - Keiji Nagatani (Adv. Robotics, 2009)

Editorial: Space Robotics, Part I. - Terrence Fong; Keiji Nagatani; David Wettergreen (J. Field Robotics, 2009)

Editorial: Space Robotics, Part II. - Terrence Fong; Keiji Nagatani; David Wettergreen (J. Field Robotics, 2009)

Slope traversal controls for planetary exploration rover on sandy terrain. - Genya Ishigami; Keiji Nagatani; Kazuya Yoshida (J. Field Robotics, 2009)

Terramechanics-based high-fidelity dynamics simulation for wheeled mobile robot on deformable rough terrain. - Liang Ding 001; Keiji Nagatani; Keisuke Sato; Andres E. Mora Vargas; Kazuya Yoshida; Haibo Gao; Zongquan Deng (ICRA, 2010)

Trials of 3-D map construction using the tele-operated tracked vehicle kenaf at disaster city. - Kazunori Ohno; Satoshi Tadokoro; Keiji Nagatani; Eiji Koyanagi; Tomoaki Yoshida (ICRA, 2010)

Noncontact position estimation device with optical sensor and laser sources for mobile robots traversing slippery terrains. - Isaku Nagai; Keigo Watanabe; Keiji Nagatani; Kazuya Yoshida (IROS, 2010)

Collision avoidance method for mobile robot considering motion and personal spaces of evacuees. - Takeshi Ohki; Keiji Nagatani; Kazuya Yoshida (IROS, 2010)

Shared autonomy system for tracked vehicles to traverse rough terrain based on continuous three-dimensional terrain scanning. - Yoshito Okada; Keiji Nagatani; Kazuya Yoshida; Tomoaki Yoshida; Eiji Koyanagi (IROS, 2010)

Connected tracked robot with offset joint mechanism for multiple configurations. - Kenjiro Tadakuma; Chigusa Ohishi; Akira Maruyama; Riichiro Tadakuma; Keiji Nagatani; Kazuya Yoshida; Aiguo Ming; Makoto Shimojo (IROS, 2010)

Mechanical design of the Wheel-Leg hybrid mobile robot to realize a large wheel diameter. - Kenjiro Tadakuma; Riichiro Tadakuma; Akira Maruyama; Eric Rohmer; Keiji Nagatani; Kazuya Yoshida; Aigo Ming; Makoto Shimojo; Mitsuru Higashimori; Makoto Kaneko (IROS, 2010)

Development of a Visual Odometry System for a Wheeled Robot on Loose Soil using a Telecentric Camera. - Keiji Nagatani; Ayako Ikeda; Genya Ishigami; Kazuya Yoshida; Isaku Nagai (Adv. Robotics, 2010)

Odometry Correction Using Visual Slip Angle Estimation for Planetary Exploration Rovers. - Giulio Reina; Genya Ishigami; Keiji Nagatani; Kazuya Yoshida (Adv. Robotics, 2010)

Path planning and evaluation for planetary rovers based on dynamic mobility index. - Genya Ishigami; Keiji Nagatani; Kazuya Yoshida (IROS, 2011)

Planetary rovers' wheel-soil interaction mechanics: new challenges and applications for wheeled mobile robots. - Liang Ding 001; Zongquan Deng; Haibo Gao; Keiji Nagatani; Kazuya Yoshida (Intell. Serv. Robotics, 2011)

Development of leg-track hybrid locomotion to traverse loose slopes and irregular terrain. - Keiji Nagatani; Hiroaki Kinoshita; Kazuya Yoshida; Kenjiro Tadakuma; Eiji Koyanagi (J. Field Robotics, 2011)

Multirobot exploration for search and rescue missions: A report on map building in RoboCupRescue 2009. - Keiji Nagatani; Yoshito Okada; Naoki Tokunaga; Seiga Kiribayashi; Kazuya Yoshida; Kazunori Ohno; Eijiro Takeuchi; Satoshi Tadokoro; Hidehisa Akiyama; Itsuki Noda; Tomoaki Yoshida; Eiji Koyanagi (J. Field Robotics, 2011)

Shared autonomy system for tracked vehicles on rough terrain based on continuous three-dimensional terrain scanning. - Yoshito Okada; Keiji Nagatani; Kazuya Yoshida; Satoshi Tadokoro; Tomoaki Yoshida; Eiji Koyanagi (J. Field Robotics, 2011)

Collaborative Mapping of an Earthquake Damaged Building via Ground and Aerial Robots. - Nathan Michael; Shaojie Shen; Kartik Mohta; Vijay Kumar 001; Keiji Nagatani; Yoshito Okada; Seiga Kiribayashi; Kazuki Otake; Kazuya Yoshida; Kazunori Ohno; Eijiro Takeuchi; Satoshi Tadokoro (FSR, 2012)

Three-Dimensional Thermography Mapping for Mobile Rescue Robots. - Keiji Nagatani; Kazuki Otake; Kazuya Yoshida (FSR, 2012)

Improvements to the Rescue Robot Quince Toward Future Indoor Surveillance Missions in the Fukushima Daiichi Nuclear Power Plant. - Tomoaki Yoshida; Keiji Nagatani; Satoshi Tadokoro; Takeshi Nishimura; Eiji Koyanagi (FSR, 2012)

Evaluation of the reconfiguration effects of planetary rovers on their lateral traversing of sandy slopes. - Hiroaki Inotsume; Masataku Sutoh; Kenji Nagaoka; Keiji Nagatani; Kazuya Yoshida (ICRA, 2012)

Evaluation of influence of surface shape of locomotion mechanism on traveling performance of planetary rovers. - Masataku Sutoh; Kenji Nagaoka; Keiji Nagatani; Kazuya Yoshida (ICRA, 2012)

Slope traversability analysis of reconfigurable planetary rovers. - Hiroaki Inotsume; Masataku Sutoh; Kenji Nagaoka; Keiji Nagatani; Kazuya Yoshida (IROS, 2012)

Sensor Information Processing in Robot Competitions and Real World Robotic Challenges. - Keiji Nagatani; Alex Kushleyev; Daniel D. Lee (Adv. Robotics, 2012)

Local Path Planner for Mobile Robot in Dynamic Environment based on Distance Time Transform Method. - Takeshi Ohki; Keiji Nagatani; Kazuya Yoshida (Adv. Robotics, 2012)

Preface. - Shin'ichi Yuta; Daniel D. Lee; Keiji Nagatani; Yasushi Nakauchi (Adv. Robotics, 2012)

Collaborative mapping of an earthquake-damaged building via ground and aerial robots. - Nathan Michael; Shaojie Shen; Kartik Mohta; Yash Mulgaonkar; Vijay Kumar 001; Keiji Nagatani; Yoshito Okada; Seiga Kiribayashi; Kazuki Otake; Kazuya Yoshida; Kazunori Ohno; Eijiro Takeuchi; et al. (J. Field Robotics, 2012)

Traveling performance evaluation of planetary rovers on loose soil. - Masataku Sutoh; Junya Yusa; Tsuyoshi Ito; Keiji Nagatani; Kazuya Yoshida (J. Field Robotics, 2012)

Lunar Micro Rover Design for Exploration through Virtual Reality Tele-operation. - Nathan Britton; Kazuya Yoshida; John Walker; Keiji Nagatani; Graeme Taylor; Loïc Dauphin (FSR, 2013)

Development of multi-D.O.F. tracked vehicle to traverse weak slope and climb up rough slope. - Keiji Nagatani; Takahiro Noyori; Kazuya Yoshida (IROS, 2013)

Volcanic ash observation in active volcano areas using teleoperated mobile robots - Introduction to our robotic-volcano-observation project and field experiments. - Keiji Nagatani; Ken Akiyama; Genki Yamauchi; Hikaru Otsuka; Takuma Nakamura; Seiga Kiribayashi; Kazuya Yoshida; Yasushi Hada; Shin'ichi Yuta; Kenichi Fujino; Tomoyuki Izu; Randy Mackay (SSRR, 2013)

Positioning device for outdoor mobile robots using optical sensors and lasers. - Isaku Nagai; Genki Yamauchi; Keiji Nagatani; Keigo Watanabe; Kazuya Yoshida (Adv. Robotics, 2013)

Modeling, Analysis, and Control of an Actively Reconfigurable Planetary Rover for Traversing Slopes Covered with Loose Soil. - Hiroaki Inotsume; Masataku Sutoh; Kenji Nagaoka; Keiji Nagatani; Kazuya Yoshida (J. Field Robotics, 2013)

Emergency response to the nuclear accident at the Fukushima Daiichi Nuclear Power Plants using mobile rescue robots. - Keiji Nagatani; Seiga Kiribayashi; Yoshito Okada; Kazuki Otake; Kazuya Yoshida; Satoshi Tadokoro; Takeshi Nishimura; Tomoaki Yoshida; Eiji Koyanagi; Mineo Fukushima; Shinji Kawatsuma (J. Field Robotics, 2013)

Development and field test of teleoperated mobile robots for active volcano observation. - Keiji Nagatani; Ken Akiyama; Genki Yamauchi; Kazuya Yoshida; Yasushi Hada; Shin'ichi Yuta; Tomoyuki Izu; Randy Mackay (IROS, 2014)

Teleoperation of mobile robots using hybrid communication system in unreliable radio communication environments. - Ryohei Tsuzuki; Genki Yamauchi; Keiji Nagatani; Kazuya Yoshida (SSRR, 2014)

Development and field testing of UAV-based sampling devices for obtaining volcanic products. - Ryosuke Yajima; Keiji Nagatani; Kazuya Yoshida (SSRR, 2014)

Improvement of slope traversability for a multi-DOF tracked vehicle with active reconfiguration of its joint forms. - Genki Yamauchi; Takahiro Noyori; Keiji Nagatani; Kazuya Yoshida (SSRR, 2014)

Recent Trends and Issues of Volcanic Disaster Response with Mobile Robots. - Keiji Nagatani (J. Robotics Mechatronics, 2014)

Modeling and design of tether powered multicopter. - Seiga Kiribayashi; Jun Ashizawa; Keiji Nagatani (SSRR, 2015)

Measurement of stress distributions of a wheel with grousers traveling on loose soil. - Shoya Higa; Kazumasa Sawada; Kenji Nagaoka; Keiji Nagatani; Kazuya Yoshida (ICRA, 2016)

Thrust loss saving design of overlapping rotor arrangement on small multirotor unmanned aerial vehicles. - Hikaru Otsuka; Keiji Nagatani (ICRA, 2016)

Stair climbing control of 4-degrees-of-freedom tracked vehicle based on internal sensors. - Daisuke Endo; Atsushi Watanabe; Keiji Nagatani (SSRR, 2016)

Stability discriminant of a tracked vehicle to traverse stairs. - Keiji Nagatani; Daisuke Endo (SSRR, 2016)

Neonavigation meta-package: 2-D/3-DOF seamless global-local planner for ROS - Development and field test on the representative offshore oil plant. - Atsushi Watanabe; Daisuke Endo; Genki Yamauchi; Keiji Nagatani (SSRR, 2016)

Field report: Autonomous lake bed depth mapping by a portable semi-submersible USV at Mt. Zao Okama Crater lake. - Atsushi Watanabe; Miwa Kuri; Keiji Nagatani (SSRR, 2016)

Online slip parameter estimation for tracked vehicle odometry on loose slope. - Genki Yamauchi; Daiki Suzuki; Keiji Nagatani (SSRR, 2016)

Modeling and Control of Robots on Rough Terrain. - Keiji Nagatani; Genya Ishigami; Yoshito Okada (Springer Handbook of Robotics, 2nd Ed., 2016)

Design and Development of Tether-Powered Multirotor Micro Unmanned Aerial Vehicle System for Remote-Controlled Construction Machine. - Seiga Kiribayashi; Kaede Yakushigawa; Keiji Nagatani (FSR, 2017)

Design and Development of Explosion-Proof Tracked Vehicle for Inspection of Offshore Oil Plant. - Keiji Nagatani; Daisuke Endo; Atsushi Watanabe; Eiji Koyanagi (FSR, 2017)

Field Report: UAV-Based Volcano Observation System for Debris Flow Evacuation Alarm. - Keiji Nagatani; Ryosuke Yajima; Seiga Kiribayashi; Tomoaki Izu; Hiromichi Kanai; Hiroyuki Kanasaki; Jun Minagawa; Yuji Moriyama (FSR, 2017)

Design and development of a tethered mobile robot to traverse on steep slope based on an analysis of its slippage and turnover. - Keiji Nagatani; So Tatano; Keisuke Ikeda; Atsushi Watanabe; Miwa Kuri (IROS, 2017)

Safeness visualization of terrain for teleoperation of mobile robot using 3D environment map and dynamic simulator. - Yasuyuki Awashima; Hiromitsu Fujii; Yusuke Tamura; Keiji Nagatani; Atsushi Yamashita; Hajime Asama (SII, 2017)

Estimation of scale and slope information for structure from motion-based 3D map. - Yuyang Shao; Yonghoon Ji; Hiromitsu Fujii; Keiji Nagatani; Atsushi Yamashita; Hajime Asama (SII, 2017)

Investigation of tip-over condition for tracked vehicles climbing over an obstacle on a slope. - Ryosuke Yajima; Keiji Nagatani (SII, 2017)

Position estimation of tethered micro unmanned aerial vehicle by observing the slack tether. - Seiga Kiribayashi; Kaede Yakushigawa; Keiji Nagatani (SSRR, 2017)

Stair Climbing Control for 4-DOF Tracked Vehicle Based on Internal Sensors. - Daisuke Endo; Atsushi Watanabe; Keiji Nagatani (J. Robotics, 2017)

Investigation of the tip-over condition and motion strategy for a tracked vehicle with sub-tracks climbing over an obstacle on a slope. - Ryosuke Yajima; Keiji Nagatani (SSRR, 2018)

Micro-unmanned aerial vehicle-based volcano observation system for debris flow evacuation warning. - Keiji Nagatani; Seiga Kiribayashi; Ryosuke Yajima; Yasushi Hada; Tomoaki Izu; Akira Zeniya; Hiromichi Kanai; Hiroyuki Kanasaki; Jun Minagawa; Yuji Moriyama (J. Field Robotics, 2018)

Autonomous Driving of Six-Wheeled Dump Truck with a Retrofitted Robot. - Tomohiro Komatsu; Yota Konno; Seiga Kiribayashi; Keiji Nagatani; Takahiro Suzuki; Kazunori Ohno; Taro Suzuki; Naoto Miyamoto; Yukinori Shibata; Kimitaka Asano (FSR, 2019)

Improvement in Measurement Area of Three-Dimensional LiDAR Using Mirrors Mounted on Mobile Robots. - Kazuki Matsubara; Keiji Nagatani (FSR, 2019)

Tethered Dual-Wheeled Robot for Exploration of Volcanic Fumaroles on Steep Slopes. - Keiji Nagatani; Masaki Momii (FSR, 2019)

Obstacle Climbing of Tracked Robot for Unfixed Cylindrical Obstacle Using Sub-tracks. - Ryosuke Yajima; Keiji Nagatani (FSR, 2019)

Estimation of Cone Index from Water Content and Soil Types Obtained from Hyperspectral Images. - Norihiro Yamauchi; Kazuhiro Chayama; Atsushi Yamashita; Hajime Asama; Shota Chikushi; Yusuke Tamura; Hiroshi Yamakawa; Keiji Nagatani; Hiromitsu Fujii; Yuya Sakai; Takumi Chiba; Shingo Yamamoto (GCCE, 2019)

Basic Performance of Planar Omnidirectional Crawler during Direction Switching using Disturbance Degree of Ground Evaluation Method. - Eri Takane; Kenjiro Tadakuma; Tori Shimizu; Sosuke Hayashi; Masahiro Watanabe; Shingo Kagami; Keiji Nagatani; Masashi Konyo; Satoshi Tadokoro (IROS, 2019)

Research on traversability of tracked vehicle on slope with unfixed obstacles: derivation of climbing-over, tipping-over, and sliding-down conditions. - Ryosuke Yajima; Keiji Nagatani; Yasuhisa Hirata (Adv. Robotics, 2019)

Research and Development on Robotic Technologies for Infrastructure Maintenance. - Keiji Nagatani; Yozo Fujino (J. Robotics Mechatronics, 2019)

Dual-Arm Construction Robot with Remote-Control Function. - Hiroshi Yoshinada; Keita Kurashiki; Daisuke Kondo; Keiji Nagatani; Seiga Kiribayashi; Masataka Fuchida; Masayuki Tanaka 001; Atsushi Yamashita; Hajime Asama; Takashi Shibata 001; Masatoshi Okutomi; Yoko Sasaki; et al. (Disaster Robotics, 2019)

Prediction of Backhoe Loading Motion via the Beta-Process Hidden Markov Model. - Kento Yamada; Kazunori Ohno; Ryunosuke Hamada; Thomas Westfechtel; Ranulfo Plutarco Bezerra Neto; Naoto Miyamoto; Taro Suzuki; Takahiro Suzuki; Keiji Nagatani; Yukinori Shibata; Kimitaka Asano; Tomohiro Komatsu; et al. (IROS, 2020)

Automated Image Presentation for Backhoe Embankment Construction in Unmanned Construction Site. - Shota Chikushi; Kazuhiro Chayama; Atsushi Yamashita; Hajime Asama; Yushi Moriyama; Hiromitsu Fujii; Yusuke Tamura; Hiroshi Yamakawa; Keiji Nagatani; Yuya Sakai; Takumi Chiba; Shingo Yamamoto (SII, 2020)

Attachable Sensor Boxes to Visualize Backhoe Motion. - Kento Yamada; Kimitaka Asano; Tomohiro Komatsu; Satoshi Tadokoro; Kazunori Ohno; Naoto Miyamoto; Taro Suzuki; Shotaro Kojima; Ranulfo Plutarco Bezerra Neto; Takahiro Suzuki; Keiji Nagatani; Yukinori Shibata (SII, 2020)

Utilization of Unmanned Aerial Vehicle, Artificial Intelligence, and Remote Measurement Technology for Bridge Inspections. - Pang-jo Chun; Ji Dang; Shunsuke Hamasaki; Ryosuke Yajima; Toshihiro Kameda; Hideki Wada; Tatsuro Yamane; Shota Izumi; Keiji Nagatani (J. Robotics Mechatronics, 2020)

Arbitrary Viewpoint Visualization for Teleoperated Hydraulic Excavators. - Tatsuki Nagano; Ryosuke Yajima; Shunsuke Hamasaki; Keiji Nagatani; Alessandro Moro; Hiroyuki Okamoto; Genki Yamauchi; Takeshi Hashimoto; Atsushi Yamashita; Hajime Asama (J. Robotics Mechatronics, 2020)

The University of Tokyo: Corporate Sponsored Research Program "Construction System Management for Innovation". - Keiji Nagatani; Atsushi Yamashita; Kazumasa Ozawa (J. Robotics Mechatronics, 2020)

Improvement in Measurement Area of 3D LiDAR for a Mobile Robot Using a Mirror Mounted on a Manipulator. - Kazuki Matsubara; Keiji Nagatani; Yasuhisa Hirata (IEEE Robotics Autom. Lett., 2020)

Visualization of Dump Truck and Excavator in Bird's-eye View by Fisheye Cameras and 3D Range Sensor. - Yuta Sugasawa; Shota Chikushi; Ren Komatsu; Jun Younes Louhi Kasahara; Sarthak Pathak; Ryosuke Yajima; Shunsuke Hamasaki; Keiji Nagatani; Takumi Chiba; Kazuhiro Chayama; Atsushi Yamashita; Hajime Asama (IAS, 2021)

Effects of Video Filters for Learning an Action Recognition Model for Construction Machinery from Simulated Training Data. - Jinhyeok Sim; Jun Younes Louhi Kasahara; Shota Chikushi; Keiji Nagatani; Takumi Chiba; Kazuhiro Chayama; Atsushi Yamashita; Hajime Asama (SII, 2021)

Innovative technologies for infrastructure construction and maintenance through collaborative robots based on an open design approach. - Keiji Nagatani; Masato Abe; Koichi Osuka; Pang-jo Chun; Takayuki Okatani; Mayuko Nishio; Shota Chikushi; Takamitsu Matsubara; Yusuke Ikemoto; Hajime Asama (Adv. Robotics, 2021)

Special issue on Advanced Construction Robot System. - Kazunori Ohno; Hisashi Osumi; Genya Ishigami; Keiji Nagatani (Adv. Robotics, 2021)

Estimation of articulated angle in six-wheeled dump trucks using multiple GNSS receivers for autonomous driving. - Taro Suzuki; Kazunori Ohno; Shotaro Kojima; Naoto Miyamoto; Takahiro Suzuki; Tomohiro Komatsu; Yukinori Shibata; Kimitaka Asano; Keiji Nagatani (Adv. Robotics, 2021)

Development of an excavator-avoidance system for buried pipes. - Ryosuke Yajima; Shinya Katsuma; Makoto Suzuki; Fumiya Matsushita; Shunsuke Hamasaki; Pang-jo Chun; Keiji Nagatani; Genki Yamauchi; Takeshi Hashimoto; Atsushi Yamashita; Hajime Asama; Kazumasa Ozawa (Adv. Robotics, 2021)

An individual prediction model of the pre-loading motion for operator and backhoe pairs. - Kento Yamada; Kazunori Ohno; Ryunosuke Hamada; Ranulfo Plutarco Bezerra Neto; Naoto Miyamoto; Shotaro Kojima; Taro Suzuki; Takahiro Suzuki; Keiji Nagatani; Yukinori Shibata; Kimitaka Asano; Tomohiro Komatsu; et al. (Adv. Robotics, 2021)

Semantic Mapping of Construction Site From Multiple Daily Airborne LiDAR Data. - Thomas Westfechtel; Kazunori Ohno; Tetsu Akegawa; Kento Yamada; Ranulfo Plutarco Bezerra Neto; Shotaro Kojima; Taro Suzuki; Tomohiro Komatsu; Yukinori Shibata; Kimitaka Asano; Keiji Nagatani; Naoto Miyamoto; et al. (IEEE Robotics Autom. Lett., 2021)

Path Planning of the Turning Back of an Autonomous Large-Scale Six-Wheeled Dump Truck for Loading/Leaving Sediment Based on Backhoe Work. - Tetsu Akegawa; Kazunori Ohno; Shotaro Kojima; Kento Yamada; Wiru Go; Taro Suzuki; Seiga Kiribayashi; Tomohiro Komatsu; Naoto Miyamoto; Takahiro Suzuki; Yukinori Shibata; Kimitaka Asano; et al. (SII, 2022)

Reinforcement Learning-based Motion Generation for a Tracked Robot to Go Over a Sphere-shaped Non-fixed Obstacle. - Hidenori Takamiya; Ryosuke Yajima; Jun Younes Louhi Kasahara; Ren Komatsu; Keiji Nagatani; Atsushi Yamashita; Hajime Asama (SII, 2023)

Estimation of articulated angle in six-wheeled dump trucks using multiple GNSS receivers for autonomous driving. - Taro Suzuki; Kazunori Ohno; Syotaro Kojima; Naoto Miyamoto; Takahiro Suzuki; Tomohiro Komatsu; Yukinori Shibata; Kimitaka Asano; Keiji Nagatani (CoRR, 2023)

Demonstration of Snow Removal Work by Wheel Loader in an Environment Surrounded by Obstacles. - Hiroto Murayama; Tomohito Kawabe; Masahiro Inagawa; Keiichi Yoshizawa; Munehiro Ishibashi; Toshinobu Takei; Keiji Nagatani (J. Robotics Mechatronics, 2023)

Design of a Multi-robot Coordination System based on Functional Expressions using Large Language Models. - Yuki Kato; Takahiro Yoshida; Yuichiro Sueoka; Koichi Osuka; Ryosuke Yajima; Keiji Nagatani; Hajime Asama (IROS, 2024)

Performance-Based Earthmoving Team Organization Algorithm Enabling Task Completion Under Changing Conditions. - Wakana Endo; Shota Chikushi; Yuichiro Sueoka; Yuki Kato; Kaito Kimura; Yusuke Ikemoto; Ren Komatsu; Keiji Nagatani; Atsushi Yamashita; Hajime Asama (SII, 2024)

Action Recognition of Excavators Using Physical Simulator and Real Image Data with Class-Dependent Data Augmentation. - Tomohiro Katsura; Ren Komatsu; Keiji Nagatani; Takumi Chiba; Kazuhiro Chayama; Atsushi Yamashita; Hajime Asama (SII, 2024)

Change Detection in Pipe Image Pairs Extracted from Inspection Videos by Sequential Filtering. - Susumu Shimizu; Takuya Igaue; Jun Younes Louhi Kasahara; Naoya Yamato; Seiji Kasahara; Hiroyuki Ito; Taizo Daito; Sunao Tamura; Akinobu Sasamura; Toshiya Kato; Shinji Kanda; Keiji Nagatani; et al. (SII, 2024)

Development and Performance Validation for Ground Protection Mats of Construction Machinery on Soft Ground. - Y. Kubota; A. Furukawa; S. Kitahara; T. Amagai; T. Asuma; H. Hatamoto; Keiji Nagatani (SSRR, 2024)

Development and Validation of a Drone-Deployable Water Depth Sensor for Landslide Dam Monitoring. - Ryosuke Yajima; Keiji Nagatani (SSRR, 2024)

DART-LLM: Dependency-Aware Multi-Robot Task Decomposition and Execution using Large Language Models. - Yongdong Wang; Runze Xiao; Jun Younes Louhi Kasahara; Ryosuke Yajima; Keiji Nagatani; Atsushi Yamashita; Hajime Asama (CoRR, 2024)

Development of CPS Platform for Autonomous Construction. - Yuichiro Kasahara; Kota Akinari; Tomoya Kouno; Noriko Sano; Taro Abe; Genki Yamauchi; Daisuke Endo; Takeshi Hashimoto; Keiji Nagatani; Ryo Kurazume (CoRR, 2024)

Demonstration of Autonomous Driving Control for a Retrofitted Wheel Loader. - Tomohito Kawabe; Masahiro Inagawa; Toshinobu Takei; Hiroto Murayama; Keiichi Yoshizawa; Munehiro Ishibashi; Keiji Nagatani (J. Robotics Mechatronics, 2024)

Motion generation for a tracked robot going over an unfixed obstacle on a slope using reinforcement learning. - Hidenori Takamiya; Ryosuke Yajima; Jun Younes Louhi Kasahara; Ren Komatsu; Keiji Nagatani; Atsushi Yamashita; Hajime Asama (Adv. Robotics, 2024)

Abnormal Sound Source Detection and Localization by Spatial Mapping of Normal Sounds for Robotic Inspection in Oil Refineries. - Jun Younes Louhi Kasahara; Kentaro Tanaka; Koki Shoda; Masayoshi Kinoshita; Seiji Kasahara; Hiroyuki Ito; Risa Koda; Sunao Tamura; Hirokazu Tanaka; Toshiya Kato; Fumihiko Nonaka; Shinji Kanda; et al. (Int. J. Autom. Technol., 2025)

Change Detection in Image Pairs for Plant Inspection Using Mobile Robot. - Susumu Shimizu; Takuya Igaue; Jun Younes Louhi Kasahara; Naoya Yamato; Seiji Kasahara; Hiroyuki Ito; Taizo Daito; Sunao Tamura; Akinobu Sasamura; Toshiya Kato; Fumihiko Nonaka; Shinji Kanda; et al. (Int. J. Autom. Technol., 2025)