Keiji Nagatani

Keiji Nagatani, Seiga Kiribayashi, Yoshito Okada, Kazuki Otake, Kazuya Yoshida, Satoshi Tadokoro, Takeshi Nishimura, Tomoaki Yoshida, Eiji Koyanagi, Mineo Fukushima, Shinji Kawatsuma: Emergency response to the nuclear accident at the Fukushima Daiichi Nuclear Power Plants using mobile rescue robots. J. Field Robotics 30(1): 44-63 (2013)

Shin'ichi Yuta, Daniel D. Lee, Keiji Nagatani, Yasushi Nakauchi: Preface. Advanced Robotics 26(14): 1537-1538 (2012)

Keiji Nagatani, Alex Kushleyev, Daniel D. Lee: Sensor Information Processing in Robot Competitions and Real World Robotic Challenges. Advanced Robotics 26(14): 1539-1554 (2012)

Takeshi Ohki, Keiji Nagatani, Kazuya Yoshida: Local Path Planner for Mobile Robot in Dynamic Environment based on Distance Time Transform Method. Advanced Robotics 26(14): 1623-1647 (2012)

Masataku Sutoh, Junya Yusa, Tsuyoshi Ito, Keiji Nagatani, Kazuya Yoshida: Traveling performance evaluation of planetary rovers on loose soil. J. Field Robotics 29(4): 648-662 (2012)

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: Collaborative mapping of an earthquake-damaged building via ground and aerial robots. J. Field Robotics 29(5): 832-841 (2012)

Hiroaki Inotsume, Masataku Sutoh, Kenji Nagaoka, Keiji Nagatani, Kazuya Yoshida: Evaluation of the reconfiguration effects of planetary rovers on their lateral traversing of sandy slopes. ICRA 2012: 3413-3418

Masataku Sutoh, Kenji Nagaoka, Keiji Nagatani, Kazuya Yoshida: Evaluation of influence of surface shape of locomotion mechanism on traveling performance of planetary rovers. ICRA 2012: 3419-3424

Hiroaki Inotsume, Masataku Sutoh, Kenji Nagaoka, Keiji Nagatani, Kazuya Yoshida: Slope traversability analysis of reconfigurable planetary rovers. IROS 2012: 4470-4476

Keiji Nagatani, Yoshito Okada, Naoki Tokunaga, Seiga Kiribayashi, Kazuya Yoshida, Kazunori Ohno, Eijiro Takeuchi, Satoshi Tadokoro, Hidehisa Akiyama, Itsuki Noda, Tomoaki Yoshida, Eiji Koyanagi: Multirobot exploration for search and rescue missions: A report on map building in RoboCupRescue 2009. J. Field Robotics 28(3): 373-387 (2011)

Yoshito Okada, Keiji Nagatani, Kazuya Yoshida, Satoshi Tadokoro, Tomoaki Yoshida, Eiji Koyanagi: Shared autonomy system for tracked vehicles on rough terrain based on continuous three-dimensional terrain scanning. J. Field Robotics 28(6): 875-893 (2011)

Keiji Nagatani, Hiroaki Kinoshita, Kazuya Yoshida, Kenjiro Tadakuma, Eiji Koyanagi: Development of leg-track hybrid locomotion to traverse loose slopes and irregular terrain. J. Field Robotics 28(6): 950-960 (2011)

Genya Ishigami, Keiji Nagatani, Kazuya Yoshida: Path planning and evaluation for planetary rovers based on dynamic mobility index. IROS 2011: 601-606

Giulio Reina, Genya Ishigami, Keiji Nagatani, Kazuya Yoshida: Odometry Correction Using Visual Slip Angle Estimation for Planetary Exploration Rovers. Advanced Robotics 24(3): 359-385 (2010)

Keiji Nagatani, Ayako Ikeda, Genya Ishigami, Kazuya Yoshida, Isaku Nagai: Development of a Visual Odometry System for a Wheeled Robot on Loose Soil using a Telecentric Camera. Advanced Robotics 24(8-9): 1149-1167 (2010)

Kazunori Ohno, Satoshi Tadokoro, Keiji Nagatani, Eiji Koyanagi, Tomoaki Yoshida: Trials of 3-D map construction using the tele-operated tracked vehicle kenaf at disaster city. ICRA 2010: 2864-2870

Liang Ding, Keiji Nagatani, Keisuke Sato, Andres E. Mora Vargas, Kazuya Yoshida, Haibo Gao, Zongquan Deng: Terramechanics-based high-fidelity dynamics simulation for wheeled mobile robot on deformable rough terrain. ICRA 2010: 4922-4927

Yoshito Okada, Keiji Nagatani, Kazuya Yoshida, Tomoaki Yoshida, Eiji Koyanagi: Shared autonomy system for tracked vehicles to traverse rough terrain based on continuous three-dimensional terrain scanning. IROS 2010: 357-362

Takeshi Ohki, Keiji Nagatani, Kazuya Yoshida: Collision avoidance method for mobile robot considering motion and personal spaces of evacuees. IROS 2010: 1819-1824

Kenjiro Tadakuma, Riichiro Tadakuma, Akira Maruyama, Eric Rohmer, Keiji Nagatani, Kazuya Yoshida, Aigo Ming, Makoto Shimojo, Mitsuru Higashimori, Makoto Kaneko: Mechanical design of the Wheel-Leg hybrid mobile robot to realize a large wheel diameter. IROS 2010: 3358-3365

Kenjiro Tadakuma, Chigusa Ohishi, Akira Maruyama, Riichiro Tadakuma, Keiji Nagatani, Kazuya Yoshida, Aiguo Ming, Makoto Shimojo: Connected tracked robot with offset joint mechanism for multiple configurations. IROS 2010: 3366-3371

Isaku Nagai, K. Watanabe, Keiji Nagatani, Kazuya Yoshida: Noncontact position estimation device with optical sensor and laser sources for mobile robots traversing slippery terrains. IROS 2010: 3422-3427

Keiji Nagatani: Applications of Robotics in Society. Advanced Robotics 23(11): 1493-1497 (2009)

Terrence Fong, Keiji Nagatani, David Wettergreen: Editorial: Space Robotics, Part I. J. Field Robotics 26(3): 241-242 (2009)

Genya Ishigami, Keiji Nagatani, Kazuya Yoshida: Slope traversal controls for planetary exploration rover on sandy terrain. J. Field Robotics 26(3): 264-286 (2009)

Terrence Fong, Keiji Nagatani, David Wettergreen: Editorial: Space Robotics, Part II. J. Field Robotics 26(4): 335-336 (2009)

Keiji Nagatani, Takayuki Matsuzawa, Kazuya Yoshida: Scan-Point Planning and 3-D Map Building for a 3-D Laser Range Scanner in an Outdoor Environment. FSR 2009: 207-217

Tomoaki Yoshida, Keiji Nagatani, Eiji Koyanagi, Yasushi Hada, Kazunori Ohno, Shoichi Maeyama, Hidehisa Akiyama, Kazuya Yoshida, Satoshi Tadokoro: Field Experiment on Multiple Mobile Robots Conducted in an Underground Mall. FSR 2009: 365-375

Kenjiro Tadakuma, Riichiro Tadakuma, Keiji Nagatani, Kazuya Yoshida, Steven C. Peters, Martin Udengaard, Karl Iagnemma: Tracked vehicle with circular cross-section to realize sideways motion. ICRA 2009: 1603-1604

Kenjiro Tadakuma, Riichiro Tadakuma, Keiji Nagatani, Kazuya Yoshida, Aigo Ming, Makoto Shimojo, Karl Iagnemma: Basic running test of the cylindrical tracked vehicle with sideways mobility. IROS 2009: 1679-1684

Keiji Nagatani, Ayako Ikeda, Keisuke Sato, Kazuya Yoshida: Accurate estimation of drawbar pull of wheeled mobile robots traversing sandy terrain using built-in force sensor array wheel. IROS 2009: 2373-2378

Kenjiro Tadakuma, Riichiro Tadakuma, Keiji Nagatani, Kazuya Yoshida, Aigo Ming, Makoto Shimojo, Karl Iagnemma: Throwable tetrahedral robot with transformation capability. IROS 2009: 2801-2808

Yoshito Okada, Keiji Nagatani, Kazuya Yoshida: Semi-autonomous operation of tracked vehicles on rough terrain using autonomous control of active flippers. IROS 2009: 2815-2820

Liang Ding, Haibo Gao, Zongquan Deng, Kazuya Yoshida, Keiji Nagatani: Slip ratio for lugged wheel of planetary rover in deformable soil: definition and estimation. IROS 2009: 3343-3348

Liang Ding, Kazuya Yoshida, Keiji Nagatani, Haibo Gao, Zongquan Deng: Parameter identification for planetary soil based on a decoupled analytical wheel-soil interaction terramechanics model. IROS 2009: 4122-4127

Kenjiro Tadakuma, Riichiro Tadakuma, Akira Maruyama, Eric Rohmer, Keiji Nagatani, Kazuya Yoshida, Aiguo Ming, Makoto Shimojo, Mitsuru Higashimori, Makoto Kaneko: Armadillo-inspired wheel-leg retractable module. ROBIO 2009: 610-615

Giulio Reina, Genya Ishigami, Keiji Nagatani, Kazuya Yoshida: Vision-based estimation of slip angle for mobile robots and planetary rovers. ICRA 2008: 486-491

Genya Ishigami, Keiji Nagatani, Kazuya Yoshida: Slope traversal experiments with slip compensation control for lunar/planetary exploration rover. ICRA 2008: 2295-2300

Genya Ishigami, Keiji Nagatani, Kazuya Yoshida: Trafficability analysis for lunar/planetary exploration rover using Thrust-Cornering Characteristic Diagram. IROS 2008: 2228-2233

Kenjiro Tadakuma, Riichiro Tadakuma, Keiji Nagatani, Kazuya Yoshida, Steven C. Peters, Martin Udengaard, Karl Iagnemma: Crawler vehicle with circular cross-section unit to realize sideways motion. IROS 2008: 2422-2428

Keiji Nagatani, Ayato Yamasaki, Kazuya Yoshida, Tomoaki Yoshida, Eiji Koyanagi: Semi-autonomous traversal on uneven terrain for a tracked vehicle using autonomous control of active flippers. IROS 2008: 2667-2672

Keiji Nagatani, Ayato Yamasaki, Kazuya Yoshida, Tomoaki Yoshida, Eiji Koyanagi: Improvement of the operability of a tracked vehicle on uneven terrain using autonomous control of active flippers. IROS 2008: 2717-2718

Eric Rohmer, Giulio Reina, Genya Ishigami, Keiji Nagatani, Kazuya Yoshida: Action planner of hybrid leg-wheel robots for lunar and planetary exploration. IROS 2008: 3902-3907

Genya Ishigami, Akiko Miwa, Keiji Nagatani, Kazuya Yoshida: Terramechanics-based model for steering maneuver of planetary exploration rovers on loose soil. J. Field Robotics 24(3): 233-250 (2007)

Keiji Nagatani, Kazuya Yoshida, Kiyoshi Kiyokawa, Yasushi Yagi, Tadashi Adachi, Hiroaki Saitoh, Toshiya Suzuki, Osamu Takizawa: Development of a Networked Robotic System for Disaster Mitigation. FSR 2007: 453-462

Genya Ishigami, Keiji Nagatani, Kazuya Yoshida: Path Planning for Planetary Exploration Rovers and Its Evaluation based on Wheel Slip Dynamics. ICRA 2007: 2361-2366

Keiji Nagatani, Daisuke Endo, Kazuya Yoshida: Improvement of the Odometry Accuracy of a Crawler Vehicle with Consideration of Slippage. ICRA 2007: 2752-2757

Daisuke Endo, Yoshito Okada, Keiji Nagatani, Kazuya Yoshida: Path following control for tracked vehicles based on slip-compensating odometry. IROS 2007: 2871-2876

Andres E. Mora Vargas, Kenzuke Mizuuchi, Daisuke Endo, Eric Rohmer, Keiji Nagatani, Kazuya Yoshida: Development of a Networked Robotic System for Disaster Mitigation, -Navigation System based on 3D Geometry Acquisition. IROS 2006: 4821-4826

Genya Ishigami, Keiji Nagatani, Kazuya Yoshida: Path Following Control with Slip Compensation on Loose Soil for Exploration Rover. IROS 2006: 5552-5557

Tomofumi Yamada, Keiji Nagatani, Yutaka Tanaka: Long-Term Activities for Autonomous Mobile Robot. FSR 2005: 389-400

Kazuya Yoshida, Keiji Nagatani, Kiyoshi Kiyokawa, Yasushi Yagi, Tadashi Adachi, Hiroaki Saito, Hiroyuki Tanaka, Hiroyuki Ohno: 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 2005: 415-425

Takayasu Takahama, Keiji Nagatani, Yutaka Tanaka: Motion Planning for Dual-arm Mobile Manipulator - Realization of "Tidying a Room Motion". ICRA 2004: 4338-4343

Hiroshi Ishida, Keiji Nagatani, Yutaka Tanaka: Three-dimensional localization and mapping for a crawler-type mobile robot in an occluded area using the scan matching method. IROS 2004: 449-454

Keiji Nagatani, Yosuke Iwai, Yutaka Tanaka: Sensor-based navigation for car-like mobile robots based on a generalized Voronoi graph. Advanced Robotics 17(5): 385-401 (2003)

Howie Choset, Keiji Nagatani, Nicole A. Lazar: The arc-transversal median algorithm: a geometric approach to increasing ultrasonic sensor azimuth accuracy. IEEE Transactions on Robotics 19(3): 513-521 (2003)

Keiji Nagatani, Hiroshi Ishida, Satoshi Yamanaka, Yutaka Tanaka: Three-dimensional localization and mapping for mobile robot in disaster environments. IROS 2003: 3112-3117

Howie Choset, Keiji Nagatani: Topological simultaneous localization and mapping (SLAM): toward exact localization without explicit localization. IEEE Transactions on Robotics 17(2): 125-137 (2001)

Keiji Nagatani, Howie Choset, Nicole A. Lazar: The Arc-Transversal Median Algorithm: An Approach to Increasing Ultrasonic Sensor Accuracy. ICRA 1999: 644-651

Keiji Nagatani, Howie Choset, Sebastian Thrun: Towards Exact Localization without Explicit Localization with the Generalized Voronoi Graph. ICRA 1998: 342-348

Keiji Nagatani, Shin'ichi Yuta: Door-opening behavior of an autonomous mobile manipulator by sequence of action primitives. J. Field Robotics 13(11): 709-721 (1996)

Keiji Nagatani, Shin'ichi Yuta: Designing a behavior of a mobile robot equipped with a manipulator to open and pass through a door. Robotics and Autonomous Systems 17(1-2): 53-64 (1996)

Keiji Nagatani, Shin'ichi Yuta: Designing strategy and implementation of mobile manipulator control system for opening door. ICRA 1996: 2828-2834