• 211 Citations
  • 6 h-Index
19962019
If you made any changes in Pure these will be visible here soon.

Research Output 1996 2019

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

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
2017
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

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
2016
2 Citations (Scopus)
parking
Parking
robots
Mobile robots
controllers
2015
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
2014
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
6 Citations (Scopus)
Autonomous underwater vehicles
Robots
Experiments
Propellers
Ecology
5 Citations (Scopus)

Tip-over stability enhancement for omnidirectional mobile robot

Aziz Safar, M. J., Watanabe, K., Maeyama, S. & Nagai, I., May 6 2014, In : International Journal of Intelligent Unmanned Systems. 2, 2, p. 91-106 16 p.

Research output: Contribution to journalArticle

Mobile Robot
Mobile robots
Enhancement
Wheel
Wheels
9 Citations (Scopus)

A discontinuous exponential stabilization law for an underactuated X4-AUV

Md. Zain, Z., Watanabe, K., Izumi, K. & Nagai, I., 2013, In : Artificial Life and Robotics. 17, 3-4, p. 463-469 7 p.

Research output: Contribution to journalArticle

Stabilization
Controllers
Linearization
4 Citations (Scopus)

Positioning device for outdoor mobile robots using optical sensors and lasers

Nagai, I., Yamauchi, G., Nagatani, K., Watanabe, K. & Yoshida, K., Jul 2013, In : Advanced Robotics. 27, 15, p. 1147-1160 14 p.

Research output: Contribution to journalArticle

Optical sensors
Optical devices
Mobile robots
Lasers
Contact sensors
5 Citations (Scopus)
Stairs
Locomotion
Cleaning
Robots
Leg
2012
3 Citations (Scopus)

A study of tipping stability for omnidirectional mobile robot with active dual-wheel caster assemblies

Safar, M. J. A., Watanabe, K., Maeyama, S. & Nagai, I., Oct 1 2012, In : Artificial Life and Robotics. 17, 1, p. 145-151 7 p.

Research output: Contribution to journalArticle

Mobile robots
Wheels
Robotics
Wounds and Injuries
Direction compound
4 Citations (Scopus)

Stabilization of an underactuated X4-AUV using a discontinuous control law

Zain, Z. M., Watanabe, K., Izumi, K. & Nagai, I., Feb 2012, In : Indian Journal of Marine Sciences. 41, 6, p. 589-598 10 p.

Research output: Contribution to journalArticle

autonomous underwater vehicle
stabilization
simulation
freedom
2011
7 Citations (Scopus)

A nonholonomic control method for stabilizing an X4-AUV

Zain, Z. M., Watanabe, K., Izumi, K. & Nagai, I., Sep 2011, In : Artificial Life and Robotics. 16, 2, p. 202-207 6 p.

Research output: Contribution to journalArticle

Autonomous underwater vehicles
Yaws
Controllers
Dynamic models
Computer simulation

4点測光式スポット位置検出装置

Nagai, I., 2011, In : 計測自動制御学会論文集. 47, 1, p. 17-24 8 p.

Research output: Contribution to journalArticle

2010
11 Citations (Scopus)

Development of a visual odometry system for a wheeled robot on loose soil using a telecentric camera

Nagatani, K., Ikeda, A., Ishigami, G., Yoshida, K. & Nagai, I., May 1 2010, In : Advanced Robotics. 24, 8-9, p. 1149-1167 19 p.

Research output: Contribution to journalArticle

Cameras
Robots
Soils
CCD cameras
Mobile robots
2007

Mobile Robot with Floor Tracking Device for Localization and Control

Nagai, I., 2007, In : Journal of Robotics and Mechatronics. Vol.19, No.1, p. 34-41 8 p.

Research output: Contribution to journalArticle

2005
1 Citation (Scopus)
Static random access storage
Extrapolation
Mobile robots
Field programmable gate arrays (FPGA)
Cameras

床画像追跡装置における高速運動計測と衝突検知

Nagai, I., 2005, In : 日本機械学会論文集(C編). 711, 71, p. 3159-3166 8 p.

Research output: Contribution to journalArticle

2004
2 Citations (Scopus)
Cameras
Labeling
Logic devices
Program processors
Color
2 Citations (Scopus)
Mobile robots
CCD cameras
Textures
Pixels
Networks (circuits)

多チャンネル水晶振動子においセンサ自動計測システム

Nagai, I., 2004, In : Aroma Research. 5, 1, p. 62-67 6 p.

Research output: Contribution to journalArticle

床面の回転および並進運動を計測する視覚装置の開発

Nagai, I., 2004, In : 日本機械学会論文集(C編). 692, 70, p. 1037-1044 8 p.

Research output: Contribution to journalArticle

2003

ベンゼン環を含むアルキルエステルを感応膜に用いる水晶振動子においセンサ

Nagai, I., 2003, In : 日本味と匂学会誌. Vol.10, issue 3, p. 455-458 4 p.

Research output: Contribution to journalArticle

2002
1 Citation (Scopus)

Development of a real-time range finder interpolating the parallax signals for surfaces

Tanaka, Y., Gofuku, A., Nagai, I. & Miyata, S., Jul 2002, In : Mechatronics. 12, 6, p. 875-889 15 p.

Research output: Contribution to journalArticle

Logic devices
Range finders
Interpolation
Networks (circuits)
Mobile robots
CCD cameras
Textures
Cameras
Networks (circuits)

床画像の2次元運動を計測する視覚装置の開発

Nagai, I., 2002, In : 日本機械学会論文集(C編). 68, 672, p. 2346-2353 8 p.

Research output: Contribution to journalArticle

2001
2000
4 Citations (Scopus)

Color constancy using the inter-reflection from a reference nose

Abdellatif, M., Tanaka, Y., Gofuku, A. & Nagai, I., Sep 2000, In : International Journal of Computer Vision. 39, 3, p. 171-194 24 p.

Research output: Contribution to journalArticle

Color
Lighting
Photographic accessories
Pixels
Cameras
1999
Range finders
Interpolation
Textures
Networks (circuits)

模様のない平面の実時間距離取得装置の開発

Nagai, I., 1999, In : 日本機械学会論文集. 65, 636, p. 3234-3238 5 p.

Research output: Contribution to journalArticle

1998
3 Citations (Scopus)
Color
Control systems
CCD cameras
Industrial plants
Cameras
1996
1 Citation (Scopus)
Binoculars
Range finders
Charge coupled devices
Cameras
Color
1 Citation (Scopus)

カラーCCDカメラを用いたコンパクト距離画像取得装置の開発

Nagai, I., 1996, In : 日本機械学会論文集(C編). 62, 598, p. 2257-2264 8 p.

Research output: Contribution to journalArticle