Keiji Nagatani

156 papers A* 15A 35C 1Journal 52Unranked 51

Year	Rank	Type	Title / Venue / Authors
2026	J	`jnl`	Coordinated Control of Multiple Construction Machines Using LLM-Generated Behavior Trees with Flag-Based Synchronization. CoRR Akinosuke Tsutsumi, Tomoya Itsuka, Yuichiro Kasahara, Tomoya Kouno, Kota Akinari, Genki Yamauchi, Daisuke Endo, Taro Abe, Takeshi Hashimoto, Keiji Nagatani, Ryo Kurazume
2026	—	`conf`	EVLOD: Ensemble Vision-Language Open-vocabulary Detection for Construction Site Object Recognition. SII Yongdong Wang, Runze Xiao, Jun Younes Louhi Kasahara, Shota Chikushi, Keiji Nagatani, Atsushi Yamashita, Hajime Asama
2026	—	`conf`	Field Implementation of an Automated Hydraulic Excavator Using ROS2-TMS for Construction and OPERA. SII Tomoya Kouno, Yuichiro Kasahara, Kota Akinari, Akinosuke Tsutsumi, Takayoshi Hachijo, Shunsuke Kimura, Yutaro Fukase, Yuki Miyashita, Takashi Yokoshima, Taro Abe, Daisuke Endo, Takeshi Hashimoto, Keiji Nagatani, Genki Yamauchi, Ryo Kurazume
2025	J	`jnl`	Abnormal Sound Source Detection and Localization by Spatial Mapping of Normal Sounds for Robotic Inspection in Oil Refineries. Int. J. Autom. Technol. 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, Keiji Nagatani, Hajime Asama, Qi An, Atsushi Yamashita
2025	J	`jnl`	Change Detection in Image Pairs for Plant Inspection Using Mobile Robot. Int. J. Autom. Technol. 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, Keiji Nagatani, Hajime Asama, Qi An, Atsushi Yamashita
2025	J	`jnl`	Multimodal artificial intelligence approaches using large language models for expert-level landslide image analysis. Comput. Aided Civ. Infrastructure Eng. Kittitouch Areerob, Van-Quang Nguyen, Xianfeng Li, Shogo Inadomi, Toru Shimada, Hiroyuki Kanasaki, Zhijie Wang, Masanori Suganuma, Keiji Nagatani, Pang-jo Chun, Takayuki Okatani
2024	—	`conf`	Action Recognition of Excavators Using Physical Simulator and Real Image Data with Class-Dependent Data Augmentation. SII Tomohiro Katsura, Ren Komatsu, Keiji Nagatani, Takumi Chiba, Kazuhiro Chayama, Atsushi Yamashita, Hajime Asama
2024	—	`conf`	Change Detection in Pipe Image Pairs Extracted from Inspection Videos by Sequential Filtering. SII 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, Hajime Asama, Qi An, Atsushi Yamashita
2024	J	`jnl`	DART-LLM: Dependency-Aware Multi-Robot Task Decomposition and Execution using Large Language Models. CoRR Yongdong Wang, Runze Xiao, Jun Younes Louhi Kasahara, Ryosuke Yajima, Keiji Nagatani, Atsushi Yamashita, Hajime Asama
2024	J	`jnl`	Demonstration of Autonomous Driving Control for a Retrofitted Wheel Loader. J. Robotics Mechatronics Tomohito Kawabe, Masahiro Inagawa, Toshinobu Takei, Hiroto Murayama, Keiichi Yoshizawa, Munehiro Ishibashi, Keiji Nagatani
2024	A	`conf`	Design of a Multi-robot Coordination System based on Functional Expressions using Large Language Models. IROS Yuki Kato, Takahiro Yoshida, Yuichiro Sueoka, Koichi Osuka, Ryosuke Yajima, Keiji Nagatani, Hajime Asama
2024	—	`conf`	Development and Performance Validation for Ground Protection Mats of Construction Machinery on Soft Ground. SSRR Y. Kubota, A. Furukawa, S. Kitahara, T. Amagai, T. Asuma, H. Hatamoto, Keiji Nagatani
2024	—	`conf`	Development and Validation of a Drone-Deployable Water Depth Sensor for Landslide Dam Monitoring. SSRR Ryosuke Yajima, Keiji Nagatani
2024	J	`jnl`	Development of CPS Platform for Autonomous Construction. CoRR Yuichiro Kasahara, Kota Akinari, Tomoya Kouno, Noriko Sano, Taro Abe, Genki Yamauchi, Daisuke Endo, Takeshi Hashimoto, Keiji Nagatani, Ryo Kurazume
2024	J	`jnl`	Motion generation for a tracked robot going over an unfixed obstacle on a slope using reinforcement learning. Adv. Robotics Hidenori Takamiya, Ryosuke Yajima, Jun Younes Louhi Kasahara, Ren Komatsu, Keiji Nagatani, Atsushi Yamashita, Hajime Asama
2024	—	`conf`	Performance-Based Earthmoving Team Organization Algorithm Enabling Task Completion Under Changing Conditions. SII Wakana Endo, Shota Chikushi, Yuichiro Sueoka, Yuki Kato, Kaito Kimura, Yusuke Ikemoto, Ren Komatsu, Keiji Nagatani, Atsushi Yamashita, Hajime Asama
2023	J	`jnl`	Demonstration of Snow Removal Work by Wheel Loader in an Environment Surrounded by Obstacles. J. Robotics Mechatronics Hiroto Murayama, Tomohito Kawabe, Masahiro Inagawa, Keiichi Yoshizawa, Munehiro Ishibashi, Toshinobu Takei, Keiji Nagatani
2023	J	`jnl`	Estimation of articulated angle in six-wheeled dump trucks using multiple GNSS receivers for autonomous driving. CoRR Taro Suzuki, Kazunori Ohno, Syotaro Kojima, Naoto Miyamoto, Takahiro Suzuki, Tomohiro Komatsu, Yukinori Shibata, Kimitaka Asano, Keiji Nagatani
2023	—	`conf`	Reinforcement Learning-based Motion Generation for a Tracked Robot to Go Over a Sphere-shaped Non-fixed Obstacle. SII Hidenori Takamiya, Ryosuke Yajima, Jun Younes Louhi Kasahara, Ren Komatsu, Keiji Nagatani, Atsushi Yamashita, Hajime Asama
2022	—	`conf`	Path Planning of the Turning Back of an Autonomous Large-Scale Six-Wheeled Dump Truck for Loading/Leaving Sediment Based on Backhoe Work. SII Tetsu Akegawa, Kazunori Ohno, Shotaro Kojima, Kento Yamada, Wiru Go, Taro Suzuki, Seiga Kiribayashi, Tomohiro Komatsu, Naoto Miyamoto, Takahiro Suzuki, Yukinori Shibata, Kimitaka Asano, Keiji Nagatani, Satoshi Tadokoro
2021	J	`jnl`	An individual prediction model of the pre-loading motion for operator and backhoe pairs. Adv. Robotics 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, Satoshi Tadokoro
2021	J	`jnl`	Development of an excavator-avoidance system for buried pipes. Adv. Robotics 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
2021	—	`conf`	Effects of Video Filters for Learning an Action Recognition Model for Construction Machinery from Simulated Training Data. SII Jinhyeok Sim, Jun Younes Louhi Kasahara, Shota Chikushi, Keiji Nagatani, Takumi Chiba, Kazuhiro Chayama, Atsushi Yamashita, Hajime Asama
2021	J	`jnl`	Estimation of articulated angle in six-wheeled dump trucks using multiple GNSS receivers for autonomous driving. Adv. Robotics Taro Suzuki, Kazunori Ohno, Shotaro Kojima, Naoto Miyamoto, Takahiro Suzuki, Tomohiro Komatsu, Yukinori Shibata, Kimitaka Asano, Keiji Nagatani
2021	J	`jnl`	Innovative technologies for infrastructure construction and maintenance through collaborative robots based on an open design approach. Adv. Robotics Keiji Nagatani, Masato Abe, Koichi Osuka, Pang-jo Chun, Takayuki Okatani, Mayuko Nishio, Shota Chikushi, Takamitsu Matsubara, Yusuke Ikemoto, Hajime Asama
2021	J	`jnl`	Semantic Mapping of Construction Site From Multiple Daily Airborne LiDAR Data. IEEE Robotics Autom. Lett. 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, Takahiro Suzuki, Tatsuya Harada, Satoshi Tadokoro
2021	J	`jnl`	Special issue on Advanced Construction Robot System. Adv. Robotics Kazunori Ohno, Hisashi Osumi, Genya Ishigami, Keiji Nagatani
2021	C	`conf`	Visualization of Dump Truck and Excavator in Bird's-eye View by Fisheye Cameras and 3D Range Sensor. IAS 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
2020	J	`jnl`	Arbitrary Viewpoint Visualization for Teleoperated Hydraulic Excavators. J. Robotics Mechatronics Tatsuki Nagano, Ryosuke Yajima, Shunsuke Hamasaki, Keiji Nagatani, Alessandro Moro, Hiroyuki Okamoto, Genki Yamauchi, Takeshi Hashimoto, Atsushi Yamashita, Hajime Asama
2020	—	`conf`	Attachable Sensor Boxes to Visualize Backhoe Motion. SII 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
2020	—	`conf`	Automated Image Presentation for Backhoe Embankment Construction in Unmanned Construction Site. SII Shota Chikushi, Kazuhiro Chayama, Atsushi Yamashita, Hajime Asama, Yushi Moriyama, Hiromitsu Fujii, Yusuke Tamura, Hiroshi Yamakawa, Keiji Nagatani, Yuya Sakai, Takumi Chiba, Shingo Yamamoto
2020	J	`jnl`	Improvement in Measurement Area of 3D LiDAR for a Mobile Robot Using a Mirror Mounted on a Manipulator. IEEE Robotics Autom. Lett. Kazuki Matsubara, Keiji Nagatani, Yasuhisa Hirata
2020	A	`conf`	Prediction of Backhoe Loading Motion via the Beta-Process Hidden Markov Model. IROS 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, Satoshi Tadokoro
2020	J	`jnl`	The University of Tokyo: Corporate Sponsored Research Program "Construction System Management for Innovation". J. Robotics Mechatronics Keiji Nagatani, Atsushi Yamashita, Kazumasa Ozawa
2020	J	`jnl`	Utilization of Unmanned Aerial Vehicle, Artificial Intelligence, and Remote Measurement Technology for Bridge Inspections. J. Robotics Mechatronics Pang-jo Chun, Ji Dang, Shunsuke Hamasaki, Ryosuke Yajima, Toshihiro Kameda, Hideki Wada, Tatsuro Yamane, Shota Izumi, Keiji Nagatani
2019	—	`conf`	Autonomous Driving of Six-Wheeled Dump Truck with a Retrofitted Robot. FSR Tomohiro Komatsu, Yota Konno, Seiga Kiribayashi, Keiji Nagatani, Takahiro Suzuki, Kazunori Ohno, Taro Suzuki, Naoto Miyamoto, Yukinori Shibata, Kimitaka Asano
2019	A	`conf`	Basic Performance of Planar Omnidirectional Crawler during Direction Switching using Disturbance Degree of Ground Evaluation Method. IROS Eri Takane, Kenjiro Tadakuma, Tori Shimizu, Sosuke Hayashi, Masahiro Watanabe, Shingo Kagami, Keiji Nagatani, Masashi Konyo, Satoshi Tadokoro
2019	—	`ch.`	Dual-Arm Construction Robot with Remote-Control Function. Disaster Robotics Hiroshi Yoshinada, Keita Kurashiki, Daisuke Kondo, Keiji Nagatani, Seiga Kiribayashi, Masataka Fuchida, Masayuki Tanaka, Atsushi Yamashita, Hajime Asama, Takashi Shibata, Masatoshi Okutomi, Yoko Sasaki, Yasuyoshi Yokokohji, Masashi Konyo, Hikaru Nagano, Fumio Kanehiro, Tomomichi Sugihara, Genya Ishigami, Shingo Ozaki, Koichi Suzumori, Toru Ide, Akina Yamamoto, Kiyohiro Hioki, Takeo Oomichi, Satoshi Ashizawa, Kenjiro Tadakuma, Toshi Takamori, Tetsuya Kimura, Robin R. Murphy, Satoshi Tadokoro
2019	—	`conf`	Estimation of Cone Index from Water Content and Soil Types Obtained from Hyperspectral Images. GCCE Norihiro Yamauchi, Kazuhiro Chayama, Atsushi Yamashita, Hajime Asama, Shota Chikushi, Yusuke Tamura, Hiroshi Yamakawa, Keiji Nagatani, Hiromitsu Fujii, Yuya Sakai, Takumi Chiba, Shingo Yamamoto
2019	—	`conf`	Improvement in Measurement Area of Three-Dimensional LiDAR Using Mirrors Mounted on Mobile Robots. FSR Kazuki Matsubara, Keiji Nagatani
2019	—	`conf`	Obstacle Climbing of Tracked Robot for Unfixed Cylindrical Obstacle Using Sub-tracks. FSR Ryosuke Yajima, Keiji Nagatani
2019	J	`jnl`	Research and Development on Robotic Technologies for Infrastructure Maintenance. J. Robotics Mechatronics Keiji Nagatani, Yozo Fujino
2019	J	`jnl`	Research on traversability of tracked vehicle on slope with unfixed obstacles: derivation of climbing-over, tipping-over, and sliding-down conditions. Adv. Robotics Ryosuke Yajima, Keiji Nagatani, Yasuhisa Hirata
2019	—	`conf`	Tethered Dual-Wheeled Robot for Exploration of Volcanic Fumaroles on Steep Slopes. FSR Keiji Nagatani, Masaki Momii
2018	—	`conf`	Investigation of the tip-over condition and motion strategy for a tracked vehicle with sub-tracks climbing over an obstacle on a slope. SSRR Ryosuke Yajima, Keiji Nagatani
2018	J	`jnl`	Micro-unmanned aerial vehicle-based volcano observation system for debris flow evacuation warning. J. Field Robotics Keiji Nagatani, Seiga Kiribayashi, Ryosuke Yajima, Yasushi Hada, Tomoaki Izu, Akira Zeniya, Hiromichi Kanai, Hiroyuki Kanasaki, Jun Minagawa, Yuji Moriyama
2017	—	`conf`	Design and Development of Explosion-Proof Tracked Vehicle for Inspection of Offshore Oil Plant. FSR Keiji Nagatani, Daisuke Endo, Atsushi Watanabe, Eiji Koyanagi
2017	—	`conf`	Design and Development of Tether-Powered Multirotor Micro Unmanned Aerial Vehicle System for Remote-Controlled Construction Machine. FSR Seiga Kiribayashi, Kaede Yakushigawa, Keiji Nagatani
2017	A	`conf`	Design and development of a tethered mobile robot to traverse on steep slope based on an analysis of its slippage and turnover. IROS Keiji Nagatani, So Tatano, Keisuke Ikeda, Atsushi Watanabe, Miwa Kuri
2017	—	`conf`	Estimation of scale and slope information for structure from motion-based 3D map. SII Yuyang Shao, Yonghoon Ji, Hiromitsu Fujii, Keiji Nagatani, Atsushi Yamashita, Hajime Asama
2017	—	`conf`	Field Report: UAV-Based Volcano Observation System for Debris Flow Evacuation Alarm. FSR Keiji Nagatani, Ryosuke Yajima, Seiga Kiribayashi, Tomoaki Izu, Hiromichi Kanai, Hiroyuki Kanasaki, Jun Minagawa, Yuji Moriyama
2017	—	`conf`	Investigation of tip-over condition for tracked vehicles climbing over an obstacle on a slope. SII Ryosuke Yajima, Keiji Nagatani
2017	—	`conf`	Position estimation of tethered micro unmanned aerial vehicle by observing the slack tether. SSRR Seiga Kiribayashi, Kaede Yakushigawa, Keiji Nagatani
2017	—	`conf`	Safeness visualization of terrain for teleoperation of mobile robot using 3D environment map and dynamic simulator. SII Yasuyuki Awashima, Hiromitsu Fujii, Yusuke Tamura, Keiji Nagatani, Atsushi Yamashita, Hajime Asama
2017	J	`jnl`	Stair Climbing Control for 4-DOF Tracked Vehicle Based on Internal Sensors. J. Robotics Daisuke Endo, Atsushi Watanabe, Keiji Nagatani
2016	—	`conf`	Field report: Autonomous lake bed depth mapping by a portable semi-submersible USV at Mt. Zao Okama Crater lake. SSRR Atsushi Watanabe, Miwa Kuri, Keiji Nagatani
2016	A*	`conf`	Measurement of stress distributions of a wheel with grousers traveling on loose soil. ICRA Shoya Higa, Kazumasa Sawada, Kenji Nagaoka, Keiji Nagatani, Kazuya Yoshida
2016	—	`ch.`	Modeling and Control of Robots on Rough Terrain. Springer Handbook of Robotics, 2nd Ed. Keiji Nagatani, Genya Ishigami, Yoshito Okada
2016	—	`conf`	Neonavigation meta-package: 2-D/3-DOF seamless global-local planner for ROS - Development and field test on the representative offshore oil plant. SSRR Atsushi Watanabe, Daisuke Endo, Genki Yamauchi, Keiji Nagatani
2016	—	`conf`	Online slip parameter estimation for tracked vehicle odometry on loose slope. SSRR Genki Yamauchi, Daiki Suzuki, Keiji Nagatani
2016	—	`conf`	Stability discriminant of a tracked vehicle to traverse stairs. SSRR Keiji Nagatani, Daisuke Endo
2016	—	`conf`	Stair climbing control of 4-degrees-of-freedom tracked vehicle based on internal sensors. SSRR Daisuke Endo, Atsushi Watanabe, Keiji Nagatani
2016	A*	`conf`	Thrust loss saving design of overlapping rotor arrangement on small multirotor unmanned aerial vehicles. ICRA Hikaru Otsuka, Keiji Nagatani
2015	—	`conf`	Modeling and design of tether powered multicopter. SSRR Seiga Kiribayashi, Jun Ashizawa, Keiji Nagatani
2014	A	`conf`	Development and field test of teleoperated mobile robots for active volcano observation. IROS Keiji Nagatani, Ken Akiyama, Genki Yamauchi, Kazuya Yoshida, Yasushi Hada, Shin'ichi Yuta, Tomoyuki Izu, Randy Mackay
2014	—	`conf`	Development and field testing of UAV-based sampling devices for obtaining volcanic products. SSRR Ryosuke Yajima, Keiji Nagatani, Kazuya Yoshida
2014	—	`conf`	Improvement of slope traversability for a multi-DOF tracked vehicle with active reconfiguration of its joint forms. SSRR Genki Yamauchi, Takahiro Noyori, Keiji Nagatani, Kazuya Yoshida
2014	J	`jnl`	Recent Trends and Issues of Volcanic Disaster Response with Mobile Robots. J. Robotics Mechatronics Keiji Nagatani
2014	—	`conf`	Teleoperation of mobile robots using hybrid communication system in unreliable radio communication environments. SSRR Ryohei Tsuzuki, Genki Yamauchi, Keiji Nagatani, Kazuya Yoshida
2013	A	`conf`	Development of multi-D.O.F. tracked vehicle to traverse weak slope and climb up rough slope. IROS Keiji Nagatani, Takahiro Noyori, Kazuya Yoshida
2013	J	`jnl`	Emergency response to the nuclear accident at the Fukushima Daiichi Nuclear Power Plants using mobile rescue robots. J. Field Robotics Keiji Nagatani, Seiga Kiribayashi, Yoshito Okada, Kazuki Otake, Kazuya Yoshida, Satoshi Tadokoro, Takeshi Nishimura, Tomoaki Yoshida, Eiji Koyanagi, Mineo Fukushima, Shinji Kawatsuma
2013	—	`conf`	Lunar Micro Rover Design for Exploration through Virtual Reality Tele-operation. FSR Nathan Britton, Kazuya Yoshida, John Walker, Keiji Nagatani, Graeme Taylor, Loïc Dauphin
2013	J	`jnl`	Modeling, Analysis, and Control of an Actively Reconfigurable Planetary Rover for Traversing Slopes Covered with Loose Soil. J. Field Robotics Hiroaki Inotsume, Masataku Sutoh, Kenji Nagaoka, Keiji Nagatani, Kazuya Yoshida
2013	J	`jnl`	Positioning device for outdoor mobile robots using optical sensors and lasers. Adv. Robotics Isaku Nagai, Genki Yamauchi, Keiji Nagatani, Keigo Watanabe, Kazuya Yoshida
2013	—	`conf`	Volcanic ash observation in active volcano areas using teleoperated mobile robots - Introduction to our robotic-volcano-observation project and field experiments. SSRR 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
2012	—	`conf`	Collaborative Mapping of an Earthquake Damaged Building via Ground and Aerial Robots. FSR Nathan Michael, Shaojie Shen, Kartik Mohta, Vijay Kumar, Keiji Nagatani, Yoshito Okada, Seiga Kiribayashi, Kazuki Otake, Kazuya Yoshida, Kazunori Ohno, Eijiro Takeuchi, Satoshi Tadokoro
2012	J	`jnl`	Collaborative mapping of an earthquake-damaged building via ground and aerial robots. J. Field Robotics Nathan Michael, Shaojie Shen, Kartik Mohta, Yash Mulgaonkar, Vijay Kumar, Keiji Nagatani, Yoshito Okada, Seiga Kiribayashi, Kazuki Otake, Kazuya Yoshida, Kazunori Ohno, Eijiro Takeuchi, Satoshi Tadokoro
2012	A*	`conf`	Evaluation of influence of surface shape of locomotion mechanism on traveling performance of planetary rovers. ICRA Masataku Sutoh, Kenji Nagaoka, Keiji Nagatani, Kazuya Yoshida
2012	A*	`conf`	Evaluation of the reconfiguration effects of planetary rovers on their lateral traversing of sandy slopes. ICRA Hiroaki Inotsume, Masataku Sutoh, Kenji Nagaoka, Keiji Nagatani, Kazuya Yoshida
2012	—	`conf`	Improvements to the Rescue Robot Quince Toward Future Indoor Surveillance Missions in the Fukushima Daiichi Nuclear Power Plant. FSR Tomoaki Yoshida, Keiji Nagatani, Satoshi Tadokoro, Takeshi Nishimura, Eiji Koyanagi
2012	J	`jnl`	Local Path Planner for Mobile Robot in Dynamic Environment based on Distance Time Transform Method. Adv. Robotics Takeshi Ohki, Keiji Nagatani, Kazuya Yoshida
2012	J	`jnl`	Preface. Adv. Robotics Shin'ichi Yuta, Daniel D. Lee, Keiji Nagatani, Yasushi Nakauchi
2012	J	`jnl`	Sensor Information Processing in Robot Competitions and Real World Robotic Challenges. Adv. Robotics Keiji Nagatani, Alex Kushleyev, Daniel D. Lee
2012	A	`conf`	Slope traversability analysis of reconfigurable planetary rovers. IROS Hiroaki Inotsume, Masataku Sutoh, Kenji Nagaoka, Keiji Nagatani, Kazuya Yoshida
2012	—	`conf`	Three-Dimensional Thermography Mapping for Mobile Rescue Robots. FSR Keiji Nagatani, Kazuki Otake, Kazuya Yoshida
2012	J	`jnl`	Traveling performance evaluation of planetary rovers on loose soil. J. Field Robotics Masataku Sutoh, Junya Yusa, Tsuyoshi Ito, Keiji Nagatani, Kazuya Yoshida
2011	J	`jnl`	Development of leg-track hybrid locomotion to traverse loose slopes and irregular terrain. J. Field Robotics Keiji Nagatani, Hiroaki Kinoshita, Kazuya Yoshida, Kenjiro Tadakuma, Eiji Koyanagi
2011	J	`jnl`	Multirobot exploration for search and rescue missions: A report on map building in RoboCupRescue 2009. J. Field Robotics Keiji Nagatani, Yoshito Okada, Naoki Tokunaga, Seiga Kiribayashi, Kazuya Yoshida, Kazunori Ohno, Eijiro Takeuchi, Satoshi Tadokoro, Hidehisa Akiyama, Itsuki Noda, Tomoaki Yoshida, Eiji Koyanagi
2011	A	`conf`	Path planning and evaluation for planetary rovers based on dynamic mobility index. IROS Genya Ishigami, Keiji Nagatani, Kazuya Yoshida
2011	J	`jnl`	Planetary rovers' wheel-soil interaction mechanics: new challenges and applications for wheeled mobile robots. Intell. Serv. Robotics Liang Ding, Zongquan Deng, Haibo Gao, Keiji Nagatani, Kazuya Yoshida
2011	J	`jnl`	Shared autonomy system for tracked vehicles on rough terrain based on continuous three-dimensional terrain scanning. J. Field Robotics Yoshito Okada, Keiji Nagatani, Kazuya Yoshida, Satoshi Tadokoro, Tomoaki Yoshida, Eiji Koyanagi
2010	A	`conf`	Collision avoidance method for mobile robot considering motion and personal spaces of evacuees. IROS Takeshi Ohki, Keiji Nagatani, Kazuya Yoshida
2010	A	`conf`	Connected tracked robot with offset joint mechanism for multiple configurations. IROS Kenjiro Tadakuma, Chigusa Ohishi, Akira Maruyama, Riichiro Tadakuma, Keiji Nagatani, Kazuya Yoshida, Aiguo Ming, Makoto Shimojo
2010	J	`jnl`	Development of a Visual Odometry System for a Wheeled Robot on Loose Soil using a Telecentric Camera. Adv. Robotics Keiji Nagatani, Ayako Ikeda, Genya Ishigami, Kazuya Yoshida, Isaku Nagai
2010	A	`conf`	Mechanical design of the Wheel-Leg hybrid mobile robot to realize a large wheel diameter. IROS Kenjiro Tadakuma, Riichiro Tadakuma, Akira Maruyama, Eric Rohmer, Keiji Nagatani, Kazuya Yoshida, Aigo Ming, Makoto Shimojo, Mitsuru Higashimori, Makoto Kaneko
2010	A	`conf`	Noncontact position estimation device with optical sensor and laser sources for mobile robots traversing slippery terrains. IROS Isaku Nagai, Keigo Watanabe, Keiji Nagatani, Kazuya Yoshida
2010	J	`jnl`	Odometry Correction Using Visual Slip Angle Estimation for Planetary Exploration Rovers. Adv. Robotics Giulio Reina, Genya Ishigami, Keiji Nagatani, Kazuya Yoshida
2010	A	`conf`	Shared autonomy system for tracked vehicles to traverse rough terrain based on continuous three-dimensional terrain scanning. IROS Yoshito Okada, Keiji Nagatani, Kazuya Yoshida, Tomoaki Yoshida, Eiji Koyanagi
2010	A*	`conf`	Terramechanics-based high-fidelity dynamics simulation for wheeled mobile robot on deformable rough terrain. ICRA Liang Ding, Keiji Nagatani, Keisuke Sato, Andres E. Mora Vargas, Kazuya Yoshida, Haibo Gao, Zongquan Deng
2010	A*	`conf`	Trials of 3-D map construction using the tele-operated tracked vehicle kenaf at disaster city. ICRA Kazunori Ohno, Satoshi Tadokoro, Keiji Nagatani, Eiji Koyanagi, Tomoaki Yoshida
2009	A	`conf`	Accurate estimation of drawbar pull of wheeled mobile robots traversing sandy terrain using built-in force sensor array wheel. IROS Keiji Nagatani, Ayako Ikeda, Keisuke Sato, Kazuya Yoshida
2009	J	`jnl`	Applications of Robotics in Society. Adv. Robotics Keiji Nagatani
2009	—	`conf`	Armadillo-inspired wheel-leg retractable module. ROBIO Kenjiro Tadakuma, Riichiro Tadakuma, Akira Maruyama, Eric Rohmer, Keiji Nagatani, Kazuya Yoshida, Aiguo Ming, Makoto Shimojo, Mitsuru Higashimori, Makoto Kaneko
2009	A	`conf`	Basic running test of the cylindrical tracked vehicle with sideways mobility. IROS Kenjiro Tadakuma, Riichiro Tadakuma, Keiji Nagatani, Kazuya Yoshida, Aigo Ming, Makoto Shimojo, Karl Iagnemma
2009	J	`jnl`	Editorial: Space Robotics, Part I. J. Field Robotics Terrence Fong, Keiji Nagatani, David Wettergreen
2009	J	`jnl`	Editorial: Space Robotics, Part II. J. Field Robotics Terrence Fong, Keiji Nagatani, David Wettergreen
2009	—	`conf`	Field Experiment on Multiple Mobile Robots Conducted in an Underground Mall. FSR Tomoaki Yoshida, Keiji Nagatani, Eiji Koyanagi, Yasushi Hada, Kazunori Ohno, Shoichi Maeyama, Hidehisa Akiyama, Kazuya Yoshida, Satoshi Tadokoro
2009	A	`conf`	Parameter identification for planetary soil based on a decoupled analytical wheel-soil interaction terramechanics model. IROS Liang Ding, Kazuya Yoshida, Keiji Nagatani, Haibo Gao, Zongquan Deng
2009	—	`conf`	Scan-Point Planning and 3-D Map Building for a 3-D Laser Range Scanner in an Outdoor Environment. FSR Keiji Nagatani, Takayuki Matsuzawa, Kazuya Yoshida
2009	A	`conf`	Semi-autonomous operation of tracked vehicles on rough terrain using autonomous control of active flippers. IROS Yoshito Okada, Keiji Nagatani, Kazuya Yoshida
2009	A	`conf`	Slip ratio for lugged wheel of planetary rover in deformable soil: definition and estimation. IROS Liang Ding, Haibo Gao, Zongquan Deng, Kazuya Yoshida, Keiji Nagatani
2009	J	`jnl`	Slope traversal controls for planetary exploration rover on sandy terrain. J. Field Robotics Genya Ishigami, Keiji Nagatani, Kazuya Yoshida
2009	A	`conf`	Throwable tetrahedral robot with transformation capability. IROS Kenjiro Tadakuma, Riichiro Tadakuma, Keiji Nagatani, Kazuya Yoshida, Aigo Ming, Makoto Shimojo, Karl Iagnemma
2009	A*	`conf`	Tracked vehicle with circular cross-section to realize sideways motion. ICRA Kenjiro Tadakuma, Riichiro Tadakuma, Keiji Nagatani, Kazuya Yoshida, Steven C. Peters, Martin Udengaard, Karl Iagnemma
2008	A	`conf`	Action planner of hybrid leg-wheel robots for lunar and planetary exploration. IROS Eric Rohmer, Giulio Reina, Genya Ishigami, Keiji Nagatani, Kazuya Yoshida
2008	A	`conf`	Crawler vehicle with circular cross-section unit to realize sideways motion. IROS Kenjiro Tadakuma, Riichiro Tadakuma, Keiji Nagatani, Kazuya Yoshida, Steven C. Peters, Martin Udengaard, Karl Iagnemma
2008	A	`conf`	Improvement of the operability of a tracked vehicle on uneven terrain using autonomous control of active flippers. IROS Keiji Nagatani, Ayato Yamasaki, Kazuya Yoshida, Tomoaki Yoshida, Eiji Koyanagi
2008	A	`conf`	Semi-autonomous traversal on uneven terrain for a tracked vehicle using autonomous control of active flippers. IROS Keiji Nagatani, Ayato Yamasaki, Kazuya Yoshida, Tomoaki Yoshida, Eiji Koyanagi
2008	A*	`conf`	Slope traversal experiments with slip compensation control for lunar/planetary exploration rover. ICRA Genya Ishigami, Keiji Nagatani, Kazuya Yoshida
2008	A	`conf`	Trafficability analysis for lunar/planetary exploration rover using Thrust-Cornering Characteristic Diagram. IROS Genya Ishigami, Keiji Nagatani, Kazuya Yoshida
2008	A*	`conf`	Vision-based estimation of slip angle for mobile robots and planetary rovers. ICRA Giulio Reina, Genya Ishigami, Keiji Nagatani, Kazuya Yoshida
2007	—	`conf`	Development of a Networked Robotic System for Disaster Mitigation. FSR Keiji Nagatani, Kazuya Yoshida, Kiyoshi Kiyokawa, Yasushi Yagi, Tadashi Adachi, Hiroaki Saitoh, Toshiya Suzuki, Osamu Takizawa
2007	J	`jnl`	Development of a Transformable Mobile Robot with a Variable Wheel Diameter. J. Robotics Mechatronics Keiji Nagatani, Mitsuhiro Kuze, Kazuya Yoshida
2007	A*	`conf`	Improvement of the Odometry Accuracy of a Crawler Vehicle with Consideration of Slippage. ICRA Keiji Nagatani, Daisuke Endo, Kazuya Yoshida
2007	A*	`conf`	Path Planning for Planetary Exploration Rovers and Its Evaluation based on Wheel Slip Dynamics. ICRA Genya Ishigami, Keiji Nagatani, Kazuya Yoshida
2007	A	`conf`	Path following control for tracked vehicles based on slip-compensating odometry. IROS Daisuke Endo, Yoshito Okada, Keiji Nagatani, Kazuya Yoshida
2007	J	`jnl`	Terramechanics-based model for steering maneuver of planetary exploration rovers on loose soil. J. Field Robotics Genya Ishigami, Akiko Miwa, Keiji Nagatani, Kazuya Yoshida
2006	A	`conf`	Development of a Networked Robotic System for Disaster Mitigation, -Navigation System based on 3D Geometry Acquisition. IROS Andres E. Mora Vargas, Kenzuke Mizuuchi, Daisuke Endo, Eric Rohmer, Keiji Nagatani, Kazuya Yoshida
2006	A	`conf`	Path Following Control with Slip Compensation on Loose Soil for Exploration Rover. IROS Genya Ishigami, Keiji Nagatani, Kazuya Yoshida
2005	J	`jnl`	Development of Optical Communication Marks for Mobile Robots to Recognize Their Environment and to Handle Objects. J. Robotics Mechatronics Keiji Nagatani, Hiroyasu Sato, Hidenori Tasaka, Akio Gofuku, Yutaka Tanaka
2005	—	`conf`	Development of a Networked Robotic System for Disaster Mitigation - Test Bed Experiments for Remote Operation over Rough Terrain and High Resolution 3D Geometry Acquisition. FSR Kazuya Yoshida, Keiji Nagatani, Kiyoshi Kiyokawa, Yasushi Yagi, Tadashi Adachi, Hiroaki Saito, Hiroyuki Tanaka, Hiroyuki Ohno
2005	—	`conf`	Long-Term Activities for Autonomous Mobile Robot. FSR Tomofumi Yamada, Keiji Nagatani, Yutaka Tanaka
2004	A*	`conf`	Motion Planning for Dual-arm Mobile Manipulator - Realization of "Tidying a Room Motion". ICRA Takayasu Takahama, Keiji Nagatani, Yutaka Tanaka
2004	—	`conf`	Motion planning for Mobile Manipulator to Pick up an Object while Base Robot's Moving. ROBIO Wanli Shan, Keiji Nagatani, Yutaka Tanaka
2004	A	`conf`	Three-dimensional localization and mapping for a crawler-type mobile robot in an occluded area using the scan matching method. IROS Hiroshi Ishida, Keiji Nagatani, Yutaka Tanaka
2003	—	`conf`	Path evaluation for a mobile robot based on a risk of collision. CIRA Masahiro Irie, Keiji Nagatani, Akio Gofuku
2003	J	`jnl`	Sensor-based navigation for car-like mobile robots based on a generalized Voronoi graph. Adv. Robotics Keiji Nagatani, Yosuke Iwai, Yutaka Tanaka
2003	J	`jnl`	The arc-transversal median algorithm: a geometric approach to increasing ultrasonic sensor azimuth accuracy. IEEE Trans. Robotics Autom. Howie Choset, Keiji Nagatani, Nicole A. Lazar
2003	A	`conf`	Three-dimensional localization and mapping for mobile robot in disaster environments. IROS Keiji Nagatani, Hiroshi Ishida, Satoshi Yamanaka, Yutaka Tanaka
2002	J	`jnl`	Editorial: Modern Trends in Mobile Robotics. J. Robotics Mechatronics Takashi Tsubouchi, Keiji Nagatani
2002	A	`conf`	Motion planning for mobile manipulator with keeping manipulability. IROS Keiji Nagatani, Tomonobu Hirayama, Akio Gofuku, Yutaka Tanaka
2001	A	`conf`	Sensor based navigation for car-like mobile robots using generalized Voronoi graph. IROS Keiji Nagatani, Yosuke Iwai, Yutaka Tanaka
2001	J	`jnl`	Topological simultaneous localization and mapping (SLAM): toward exact localization without explicit localization. IEEE Trans. Robotics Autom. Howie Choset, Keiji Nagatani
2000	A	`conf`	Improvement of odometry for omnidirectional vehicle using optical flow information. IROS Keiji Nagatani, Satoshi Tachibana, Makoto Sofne, Yutaka Tanaka
1999	A*	`conf`	The Arc-Transversal Median Algorithm: An Approach to Increasing Ultrasonic Sensor Accuracy. ICRA Keiji Nagatani, Howie Choset, Nicole A. Lazar
1999	A	`conf`	Toward robust sensor based exploration by constructing reduced generalized Voronoi graph. IROS Keiji Nagatani, Howie Choset
1998	—	`conf`	Autonomous mobile robot exploration based on the generalized Voronoi graph in the presence of localization error. Mobile Robots / Intelligent Transportation Systems Keiji Nagatani, Howie Choset
1998	A*	`conf`	Towards Exact Localization without Explicit Localization with the Generalized Voronoi Graph. ICRA Keiji Nagatani, Howie Choset, Sebastian Thrun
1997	—	`conf`	Sensor-based planning: using a honing strategy and local map method to implement the generalized Voronoi graph. Mobile Robots Howie Choset, Keiji Nagatani, Alfred A. Rizzi
1996	J	`jnl`	Designing a behavior of a mobile robot equipped with a manipulator to open and pass through a door. Robotics Auton. Syst. Keiji Nagatani, Shin'ichi Yuta
1996	A*	`conf`	Designing strategy and implementation of mobile manipulator control system for opening door. ICRA Keiji Nagatani, Shin'ichi Yuta
1996	J	`jnl`	Door-opening behavior of an autonomous mobile manipulator by sequence of action primitives. J. Field Robotics Keiji Nagatani, Shin'ichi Yuta
1995	—	`conf`	An experiment on opening-door-behavior by an autonomous mobile robot with a manipulator. IROS (2) Keiji Nagatani, Shin'ichi Yuta
1994	—	`conf`	Designing a Behavior of a Mobile Robot Equipped with a Manipulator to Open and Pass through a Door. IROS (Selected Papers) Keiji Nagatani, Shin'ichi Yuta
1994	A	`conf`	Designing a behavior to open a door and to pass through a door-way using a mobile robot equipped with a manipulator. IROS Keiji Nagatani, Shin'ichi Yuta
1993	A	`conf`	Path and sensing point planning for mobile robot navigation to minimize the risk of collision. IROS Keiji Nagatani, Shin'ichi Yuta