• 211 Citations
  • 6 h-Index
19962019
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Research Output 1996 2019

  • 211 Citations
  • 6 h-Index
  • 69 Conference contribution
  • 42 Article
  • 4 Conference article
  • 2 Chapter
2019

An improvement of flight performance in the level flight of tilted quadrotors by attaching a fixed-wing

Nakamura, Y., Arakawa, A., Watanabe, K. & Nagai, I., Jan 1 2019, (Accepted/In press) In : Artificial Life and Robotics.

Research output: Contribution to journalArticle

Fixed wings
Flight dynamics
Aircraft
Disasters
Rotors

Control of a tethered Quadrotor using a quaternion feedback

Takeuchi, R., Watanabe, K. & Nagai, I., Oct 25 2019, In : IOP Conference Series: Materials Science and Engineering. 619, 1, 012045.

Research output: Contribution to journalConference article

Open Access
Attitude control
Angular velocity
Feedback control
Inspection
Tetherlines

Development of a foldable personal mobility vehicle with one drive wheel

Sakata, T., Nagai, I. & Watanabe, K., Oct 25 2019, In : IOP Conference Series: Materials Science and Engineering. 619, 1, 012047.

Research output: Contribution to journalConference article

Open Access
Attitude control
Wheels
Railroads
Speed control
Pendulums

Development of a Leaping Mechanism for Electric Skateboards

Aoki, T., Nagai, I. & Watanabe, K., Aug 1 2019, Proceedings of 2019 IEEE International Conference on Mechatronics and Automation, ICMA 2019. Institute of Electrical and Electronics Engineers Inc., p. 850-855 6 p. 8816209. (Proceedings of 2019 IEEE International Conference on Mechatronics and Automation, ICMA 2019).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Electromagnets
Global warming
Electric vehicles
Air pollution
Permanent magnets

Development of an Anemometer to Assist a Quadrotor with Auxiliary Thrusters

Kato, S., Watanabe, K. & Nagai, I., Aug 1 2019, Proceedings of 2019 IEEE International Conference on Mechatronics and Automation, ICMA 2019. Institute of Electrical and Electronics Engineers Inc., p. 839-843 5 p. 8816468. (Proceedings of 2019 IEEE International Conference on Mechatronics and Automation, ICMA 2019).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Anemometers
Infrastructure
Airframes
Deterioration
Accidents

Indoor self-localization using multiple magnetic sensors

Nagai, I., Sakai, J. & Watanabe, K., Apr 1 2019, In : Journal of Robotics and Mechatronics. 31, 2, p. 203-211 9 p.

Research output: Contribution to journalArticle

Magnetic sensors
Trajectories
Gyroscopes
Optical sensors
Measurement errors

Proposal of an Environmental Recognition Method for Automatic Parking by an Image-based CNN

Yamamoto, K., Watanabe, K. & Nagai, I., Aug 1 2019, Proceedings of 2019 IEEE International Conference on Mechatronics and Automation, ICMA 2019. Institute of Electrical and Electronics Engineers Inc., p. 833-838 6 p. 8816556. (Proceedings of 2019 IEEE International Conference on Mechatronics and Automation, ICMA 2019).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Parking
Neural Networks
Neural networks
Wheel
Autonomous Mobile Robot

Target approach for an autonomous mobile robot using camera images and its behavioral acquisition for avoiding an obstacle

Takashima, Y., Watanabe, K. & Nagai, I., Aug 1 2019, Proceedings of 2019 IEEE International Conference on Mechatronics and Automation, ICMA 2019. Institute of Electrical and Electronics Engineers Inc., p. 251-256 6 p. 8816199. (Proceedings of 2019 IEEE International Conference on Mechatronics and Automation, ICMA 2019).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Autonomous Mobile Robot
Mobile robots
Camera
Cameras
Robots

Thrust analysis of propulsion mechanisms with pectoral fins in a Manta robot

Watanabe, T., Watanabe, K. & Nagai, I., Oct 25 2019, In : IOP Conference Series: Materials Science and Engineering. 619, 1, 012046.

Research output: Contribution to journalConference article

Open Access
Propulsion
Robots
Propellers
Cables
Remote control
2018
1 Citation (Scopus)

A Method for Calculating the Amount of Movements to Estimate the Self-position of Manta Robots

Imahama, T., Watanabe, K., Mikuriya, K. & Nagai, I., Mar 16 2018, In : Journal of Physics: Conference Series. 962, 1, 012016.

Research output: Contribution to journalConference article

robots
estimates
fins
gimbals
dams
2 Citations (Scopus)

Control of attitude angle for a tilted quadrotor

Arakawa, A., Hasegawa, T., Watanabe, K. & Nagai, I., Oct 5 2018, Proceedings of 2018 IEEE International Conference on Mechatronics and Automation, ICMA 2018. Institute of Electrical and Electronics Engineers Inc., p. 1844-1849 6 p. 8484436

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Takeoff
Unmanned aerial vehicles (UAV)
Landing
Rotor
Vertical

Development of an Aerial Robot That Has Multifunctional Locomotion Modes with Tilted Coaxial Rotors

Xu, X., Watanabe, K. & Nagai, I., Oct 5 2018, Proceedings of the 37th Chinese Control Conference, CCC 2018. Chen, X. & Zhao, Q. (eds.). IEEE Computer Society, Vol. 2018-July. p. 7896-7900 5 p. 8483920

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Coaxial
Locomotion
Rotor
Airframes
Rotors

Experiments for Verifying Basic Behaviors in an Omnidirectional Mobile Platform Using a Rocker-Bogie Suspension System

Watanabe, K., Mori, I. Y. & Nagai, I., Oct 5 2018, Proceedings of the 37th Chinese Control Conference, CCC 2018. Chen, X. & Zhao, Q. (eds.). IEEE Computer Society, Vol. 2018-July. p. 7845-7850 6 p. 8484114

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Wheelchairs
Wheels
Wheel
Tires
Pneumatics
1 Citation (Scopus)

Production of a wall-climbing-type quadrotor and its experiment for verifying basic operations

Watanabe, K., Nakatsuka, T. & Nagai, I., Oct 5 2018, Proceedings of 2018 IEEE International Conference on Mechatronics and Automation, ICMA 2018. Institute of Electrical and Electronics Engineers Inc., p. 1850-1855 6 p. 8484288

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Unmanned aerial vehicles (UAV)
Inspection
Experiment
Experiments
Contact

Transitional flight simulations for a tilted quadrotor with a fixed-wing

Nakamura, Y., Arakawa, A., Watanabe, K. & Nagai, I., Oct 5 2018, Proceedings of 2018 IEEE International Conference on Mechatronics and Automation, ICMA 2018. Institute of Electrical and Electronics Engineers Inc., p. 1829-1836 8 p. 8484666

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Flight Simulation
Fixed wings
Airframes
Unmanned aerial vehicles (UAV)
Rotors
2017

Acquisition of optical flow considering the pitching motion to estimate the self-position of a manta robot

Ikeda, M., Mikuriya, K., Watanabe, K. & Nagai, I., Nov 10 2017, 2017 56th Annual Conference of the Society of Instrument and Control Engineers of Japan, SICE 2017. Institute of Electrical and Electronics Engineers Inc., Vol. 2017-November. p. 182-185 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Optical flows
Optical Flow
robots
acquisition
Robot
3 Citations (Scopus)

A detection method using ultrasonic sensors for avoiding a wall collision of Quadrotors

Niwa, K., Watanabe, K. & Nagai, I., Aug 23 2017, 2017 IEEE International Conference on Mechatronics and Automation, ICMA 2017. Institute of Electrical and Electronics Engineers Inc., p. 1438-1443 6 p. 8016028

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Ultrasonic sensors
Inspection
inspection
Collision
ultrasonics

A localization method using a dynamical model and an extended Kalman filtering for X4-AUV

Watanabe, K., Yamaguchi, T. & Nagai, I., 2017, Intelligent Robotics and Applications - 10th International Conference, ICIRA 2017, Proceedings. Springer Verlag, Vol. 10462 LNAI. p. 834-845 12 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 10462 LNAI).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Extended Kalman Filtering
Autonomous underwater vehicles
Underwater Vehicle
Dynamical Model
Position control
2 Citations (Scopus)

A method for measuring the position of quadrotors using a tether winder

Moritoki, N., Watanabe, K. & Nagai, I., Jan 24 2017, ICCAS 2016 - 2016 16th International Conference on Control, Automation and Systems, Proceedings. IEEE Computer Society, p. 25-29 5 p. 7832295

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Global positioning system
Airframes
Position control
Tunnels
Experiments
2 Citations (Scopus)

An automatic parking system using an optimized image-based fuzzy controller by genetic algorithms

Aye, Y. Y., Watanabe, K., Maeyama, S. & Nagai, I., Mar 1 2017, In : Artificial Life and Robotics. 22, 1, p. 139-144 6 p.

Research output: Contribution to journalArticle

Parking
Membership functions
Mobile robots
Railroad cars
Genetic algorithms

Attitude control of a camera mounted-type tethered quadrotor for infrastructure inspection

Watanabe, K., Moritoki, N. & Nagai, I., Dec 15 2017, Proceedings IECON 2017 - 43rd Annual Conference of the IEEE Industrial Electronics Society. Institute of Electrical and Electronics Engineers Inc., Vol. 2017-January. p. 6252-6257 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Attitude Control
Attitude control
Inspection
Infrastructure
Airframes

Design and development of steered active wheel casters and its application

Ueno, Y., Watanabe, K. & Nagai, I., Aug 23 2017, 2017 IEEE International Conference on Mechatronics and Automation, ICMA 2017. Institute of Electrical and Electronics Engineers Inc., p. 507-512 6 p. 8015869

Research output: Chapter in Book/Report/Conference proceedingConference contribution

wheels
Wheel
Wheels
platforms
wheelchairs
4 Citations (Scopus)

Development and control of tilt-wings for a tilt-type Quadrotor

Takeuchi, R., Watanabe, K. & Nagai, I., Aug 23 2017, 2017 IEEE International Conference on Mechatronics and Automation, ICMA 2017. Institute of Electrical and Electronics Engineers Inc., p. 501-506 6 p. 8015868

Research output: Chapter in Book/Report/Conference proceedingConference contribution

pilotless aircraft
Unmanned aerial vehicles (UAV)
Tilt
wings
Vertical

Improvements of one-wheel driven personal mobility for use on a public road

Sakata, T., Nagai, I. & Watanabe, K., Aug 23 2017, 2017 IEEE International Conference on Mechatronics and Automation, ICMA 2017. Institute of Electrical and Electronics Engineers Inc., p. 525-530 6 p. 8015872

Research output: Chapter in Book/Report/Conference proceedingConference contribution

wheels
roads
Wheel
exhaustion
Wheels

Influence on the propulsive performance due to the difference in the fin shape of a robotic manta

Ikeda, M., Mikuriya, K., Watanabe, K., Hikasa, S., Hamano, Y. & Nagai, I., Jun 1 2017, In : Artificial Life and Robotics. 22, 2, p. 276-282 7 p.

Research output: Contribution to journalArticle

Robotics
Experiments
Robots

System construction for distributedly controlling the thrusters of X4-AUV

Xu, X., Watanabe, K. & Nagai, I., 2017, Intelligent Robotics and Applications - 10th International Conference, ICIRA 2017, Proceedings. Springer Verlag, Vol. 10462 LNAI. p. 825-833 9 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 10462 LNAI).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Microcontroller
Microcontrollers
Graphical User Interface
Graphical user interfaces
Rudders

The stabilization of attitude of a Manta robot by a mechanism for moving the center of gravity and improvement of diving ability

Nakatsuka, T., Watanabe, K. & Nagai, I., Jan 24 2017, ICCAS 2016 - 2016 16th International Conference on Control, Automation and Systems, Proceedings. IEEE Computer Society, p. 220-225 6 p. 7832325

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Gravitation
Stabilization
Robots
Biomimetics
Buoyancy
2016
1 Citation (Scopus)

Closed-loop control experiments for a blimp robot consisting of four-divided envelopes

Watanabe, K., Okamura, N. & Nagai, I., Jan 25 2016, IECON 2015 - 41st Annual Conference of the IEEE Industrial Electronics Society. Institute of Electrical and Electronics Engineers Inc., p. 2568-2573 6 p. 7392489

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Airships
Robots
Experiments
Extended Kalman filters
Propellers
2 Citations (Scopus)
parking
Parking
robots
Mobile robots
controllers
2 Citations (Scopus)

Development of a camera-mounted tethered Quadrotor for inspecting infrastructures

Watanabe, K., Kinoshita, K., Nagai, I. & Habib, M. K., Dec 21 2016, Proceedings of the IECON 2016 - 42nd Annual Conference of the Industrial Electronics Society. IEEE Computer Society, p. 6128-6133 6 p. 7792982

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Cameras
Airframes
Wi-Fi
Tunnels
Communication systems
3 Citations (Scopus)

Development of an omnidirectional mobile platform with a rocker-bogie suspension system

Mori, Y., Watanabe, K. & Nagai, I., Dec 21 2016, Proceedings of the IECON 2016 - 42nd Annual Conference of the Industrial Electronics Society. IEEE Computer Society, p. 6134-6139 6 p. 7793808

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Wheels
Wheelchairs
Tires
Mobile robots
Aging of materials
1 Citation (Scopus)

Generation of time-varying target lines for an automatic parking system using image-based processing

Aye, Y. Y., Watanabe, K., Maeyama, S. & Nagai, I., Feb 24 2016, 2015 IEEE International Conference on Robotics and Biomimetics, IEEE-ROBIO 2015. Institute of Electrical and Electronics Engineers Inc., p. 423-427 5 p. 7418804

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Parking
Processing
Robots
Hough transforms
Image processing
1 Citation (Scopus)

Image-based fuzzy control of a car-like mobile robot for parking problems

Aye, Y. Y., Watanabe, K., Maeyama, S. & Nagai, I., Sep 1 2016, 2016 IEEE International Conference on Mechatronics and Automation, IEEE ICMA 2016. Institute of Electrical and Electronics Engineers Inc., p. 502-507 6 p. 7558614

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Parking
Fuzzy control
Mobile robots
Railroad cars
Robots

Path estimation of a shopping cart using a particle filter and an environment map

Sasakura, D., Watanabe, K. & Nagai, I., Dec 21 2016, Proceedings of the IECON 2016 - 42nd Annual Conference of the Industrial Electronics Society. IEEE Computer Society, p. 6152-6157 6 p. 7793480

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Purchasing
Store buildings
Consumer behavior
Sensors
Optical sensors
1 Citation (Scopus)

Stabilizing control for the attitude of a small-sized X4-AUV

Tu, G. R. L., Xu, X., Watanabe, K. & Nagai, I., Nov 18 2016, 2016 55th Annual Conference of the Society of Instrument and Control Engineers of Japan, SICE 2016. Institute of Electrical and Electronics Engineers Inc., p. 1185-1190 6 p. 7749263

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Rudders
Motion
rudders
Containers
Added Mass
2015
1 Citation (Scopus)

An obstacle avoidance method by combing image-based visual servoing and optical flow

Watanabe, K., Kageyu, T., Maeyama, S. & Nagai, I., Sep 30 2015, 2015 54th Annual Conference of the Society of Instrument and Control Engineers of Japan, SICE 2015. Institute of Electrical and Electronics Engineers Inc., p. 677-682 6 p. 7285489

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Visual servoing
Optical flows
Collision avoidance
Mobile robots
Cameras
3 Citations (Scopus)

Comparison of an X4-AUV performance using a direct Lyapunov - PD controller and backstepping approach

Zain, Z. M., Harun, N., Watanabe, K. & Nagai, I., Sep 8 2015, 2015 10th Asian Control Conference: Emerging Control Techniques for a Sustainable World, ASCC 2015. Institute of Electrical and Electronics Engineers Inc., 7244906

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Backstepping
Controllers
Control theory
1 Citation (Scopus)

Control of the position and attitude of a tethered quadrotor considering the influence of a tether

Watanabe, K., Ouchi, Y., Kinoshita, K. & Nagai, I., Sep 8 2015, 2015 10th Asian Control Conference: Emerging Control Techniques for a Sustainable World, ASCC 2015. Institute of Electrical and Electronics Engineers Inc., 7244512

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Inspection
Tetherlines
Aerial photography
Attitude control
Position control

Development of a blimp robot consisting of four-divided envelopes with four propellers

Watanabe, K., Okamura, N. & Nagai, I., Dec 23 2015, ICCAS 2015 - 2015 15th International Conference on Control, Automation and Systems, Proceedings. Institute of Electrical and Electronics Engineers Inc., p. 237-242 6 p. 7364913

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Airships
Propellers
Robots
Experiments

Development of a new manta robot considering the form drag

Mikuriya, K., Hikasa, S., Hamano, Y., Watanabe, K., Ikeda, M. & Nagai, I., Sep 30 2015, 2015 54th Annual Conference of the Society of Instrument and Control Engineers of Japan, SICE 2015. Institute of Electrical and Electronics Engineers Inc., p. 1132-1135 4 p. 7285517

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Drag
Robots
Propulsion
Biomimetics

Image-based neural network controllers for mobile robots to track a human

Ikeda, M., Fujioka, H., Watanabe, K., Maeyama, S. & Nagai, I., Sep 8 2015, 2015 10th Asian Control Conference: Emerging Control Techniques for a Sustainable World, ASCC 2015. Institute of Electrical and Electronics Engineers Inc., 7244655

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Mobile robots
Neural networks
Visual servoing
Controllers
Genetic algorithms
1 Citation (Scopus)

Invariant manifold-based stabilizing controllers for nonholonomic mobile robots

Aye, Y. Y., Watanabe, K., Maeyama, S. & Nagai, I., Oct 3 2015, In : Artificial Life and Robotics. 20, 3, p. 276-284 9 p.

Research output: Contribution to journalArticle

Mobile robots
Controllers
Control systems
1 Citation (Scopus)

Laser odometry taking account of the tilt on the laser sensor

Saito, R., Watanabe, K. & Nagai, I., Sep 8 2015, 2015 10th Asian Control Conference: Emerging Control Techniques for a Sustainable World, ASCC 2015. Institute of Electrical and Electronics Engineers Inc., 7244648

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Lasers
Sensors
Mobile robots
Inertial navigation systems
Optical sensors
4 Citations (Scopus)

Path tracking by a mobile robot equipped with only a downward facing camera

Nagai, I. & Watanabe, K., Dec 11 2015, IEEE International Conference on Intelligent Robots and Systems. Institute of Electrical and Electronics Engineers Inc., Vol. 2015-December. p. 6053-6058 6 p. 7354239

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Mobile robots
Pixels
Cameras
Robots
Image registration

Position control for a VTOL-type UAV by tilting some of four rotors

Nakamura, Y., Watanabe, K. & Nagai, I., Sep 30 2015, 2015 54th Annual Conference of the Society of Instrument and Control Engineers of Japan, SICE 2015. Institute of Electrical and Electronics Engineers Inc., p. 784-787 4 p. 7285533

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Position control
Unmanned aerial vehicles (UAV)
Rotors
Fixed wings
Controllers
2 Citations (Scopus)

The derivation of a dynamical model for a manta robot and its control

Ikeda, M., Hikasa, S., Watanabe, K. & Nagai, I., Sep 30 2015, 2015 54th Annual Conference of the Society of Instrument and Control Engineers of Japan, SICE 2015. Institute of Electrical and Electronics Engineers Inc., p. 1136-1139 4 p. 7285535

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Robots
Propulsion
4 Citations (Scopus)

The design and production of an X4-AUV

Le Tu, G. R., Tobita, S., Watanabe, K. & Nagai, I., Sep 30 2015, 2015 54th Annual Conference of the Society of Instrument and Control Engineers of Japan, SICE 2015. Institute of Electrical and Electronics Engineers Inc., p. 1118-1121 4 p. 7285488

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Rudders
Containers
Experiments
1 Citation (Scopus)

The design and production of thrusters for an AUV without rudders

Tu, G. R. L., Watanabe, K. & Nagai, I., Sep 8 2015, 2015 10th Asian Control Conference: Emerging Control Techniques for a Sustainable World, ASCC 2015. Institute of Electrical and Electronics Engineers Inc., 7244632

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Rudders
Robots
Availability
2014

An error model of chained form with two inputs for a generalized stabilization problem

Watanabe, K., Goto, T., Motonaka, K., Maeyama, S. & Nagai, I., Feb 18 2014, 2014 Joint 7th International Conference on Soft Computing and Intelligent Systems, SCIS 2014 and 15th International Symposium on Advanced Intelligent Systems, ISIS 2014. Institute of Electrical and Electronics Engineers Inc., p. 145-148 4 p. 7044845

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Mobile robots
Stabilization
Railroad cars
3 Citations (Scopus)

A pectoral fin analysis for diving rajiform-type fish robots by fluid dynamics

Ikeda, M., Hikasa, S., Watanabe, K. & Nagai, I., Sep 1 2014, In : Artificial Life and Robotics. 19, 2, p. 136-141 6 p.

Research output: Contribution to journalArticle

Diving
Hydrodynamics
Fluid dynamics
Fish
Fishes