Hiroshi Okajima

Publication Activity (10 Years)

Years Active: 2008-2023
Publications (10 Years): 24

Top Topics

Color Quantization

Networked Control Systems

Top Venues

J. Robotics Mechatronics

Publications

Hiroshi Okajima, Kenta Arinaga, Atsuo Hayashida
Design of Observer-Based Feedback Controller for Multi-Rate Systems With Various Sampling Periods Using Cyclic Reformulation. IEEE Access 11 (2023)
Yuki Minami, Hiroshi Okajima, Kenji Sawada, Kazuma Sekiguchi
Special Issue on Navigation and Control Technologies for Autonomous Mobility. J. Robotics Mechatronics 35 (2) (2023)
Hiroshi Okajima, Yohei Hosoe, Tomomichi Hagiwara
-Induced Norm. IEEE Access 11 (2023)
Nobutomo Matsunaga, Kazuhi Murata, Hiroshi Okajima
Robust Cooperative Transport System with Model Error Compensator Using Multiple Robots with Suction Cups. J. Robotics Mechatronics 35 (6) (2023)
Nobutomo Matsunaga, Ikuo Yamamoto, Hiroshi Okajima
Navigation System for Personal Mobility Vehicles Following a Cluster of Pedestrians in a Corridor Using Median of Candidate Vectors Observer. J. Robotics Mechatronics 35 (6) (2023)
Nobutomo Matsunaga, Masaki Kuwahara, Hiroshi Okajima, Gou Koutaki
Analysis of Measuring Precision of 3D Model of Ishigaki Stone in Kumamoto Castle Using Automatic CMG Crane System. J. Robotics Mechatronics 34 (3) (2022)
Ikuo Yamamoto, Kouich Nakamura, Nobutomo Matsunaga, Hiroshi Okajima
Crowd Tracking of Electric Wheelchair using RGB-D Camera with Median of Candidate Vectors Observer. SICE (2022)
Yusuke Take, Shin-ya Tokunaga, Hiroshi Okajima, Nobutomo Matsunaga
A Proposal of Collation Method Using Nonlinear SVM for Restoration of Stone Wall in Kumamoto Castle. SICE (2020)
Ryuichiro Yoshida, Yuki Tanigawa, Hiroshi Okajima, Nobutomo Matsunaga
A Design Method of Model Error Compensator using Meta-Heuristics and LMIs. SICE (2020)
Shizuku Kai, Minori Watanabe, Hiroshi Okajima
Dynamics modeling of necessary quantity of relief supplies in large-scale disasters. SICE (2019)
Nobutomo Matsunaga, Naufal Bayu Fauzan, Hiroshi Okajima, Gou Koutaki
Archive Method of Stone Wall in Kumamoto Castle Lifted by Small CMG Crane using Model Error Compensator. ASCC (2019)
Hiroshi Okajima, Yohei Hosoe, Tomomichi Hagiwara, Yuki Minami
Basic Idea of Periodically Time-Varying Dynamic Quantizer in Networked Control Systems. SICE (2019)
Yusuke Take, Hiroshi Okajima, Gou Koutaki, Nobutomo Matsunaga
Restoration of Stone Wall "ISHIGAKI" Using Dropposition Information. SICE (2019)
Hiroshi Okajima, Yasuaki Kaneda, Nobutomo Matsunaga
State Estimation By Observer Using Median Operation for Observed Output with Outliers. SICE (2019)
Nobutomo Matsunaga, Yudai Takeuchi, Hiroshi Okajima
Driver's Gaze-point Analysis of Virtual Platoon Driving for Welfare Vehicle using Direct Eye Measurement Device with HMD. ASCC (2019)
Nobutomo Matsunaga, Ryota Kimura, Haruya Ishiguro, Hiroshi Okajima
Driving Assistance of Welfare Vehicle with Virtual Platoon Control Method which has Collision Avoidance Function Using Mixed Reality. SMC (2018)
Yuta Nakabayashi, Hiroshi Okajima, Nobutomo Matsunaga
Inter-Vehicle Distance Stabilization in Adaptive Cruise Control Using Signal Limitation Filter. SMC (2018)
Jecinta Kamau, Ashir Ahmed, Andrew Rebeiro-Hargrave, Hironobu Kitaoka, Hiroshi Okajima, Zahidul Hossein Ripon
Demand Responsive Mobility as a Service. SMC (2016)
Nuren Abedin, Jecinta Kamau, Hironobu Kitaoka, Hiroshi Okajima, Masaharu Okada, Akira Fukuda, Ashir Ahmed
Providing safe and affordable transportation to reduce female students dropout: A case study on college girls in rural Bangladesh. SMC (2016)
Hiroshi Okajima, Kenji Sawada, Nobutomo Matsunaga
Dynamic Quantizer Design Under Communication Rate Constraints. IEEE Trans. Autom. Control. 61 (10) (2016)
Gou Koutaki, Hiroshi Okajima, Nobutomo Matsunaga, Keiichi Uchimura
Color quantization and optimization of luminance for digital mirror device-based projector. IEEE Trans. Consumer Electron. 62 (2) (2016)
Tatsuya Sugano, Hiroshi Okajima, Nobutomo Matsunaga
Robust and precise platoon driving control of welfare vehicles along wheel track by using model error compensator. IECON (2015)
Gou Koutaki, Hiroshi Okajima, Nobutomo Matsunaga, Keiichi Uchimura
Optimization of color quantization with total luminance for DLP projector and its evaluation system. ICIP (2015)
Hiroshi Okajima, Toru Asai, Nobutomo Matsunaga
Disturbance rejection performance limit for a class of disturbance signals. CDC (2015)
Nobutomo Matsunaga, Shota Miyaguchi, Hiroshi Okajima, Shigeyasu Kawaji
Impedance Control of Two d.o.f. CPM Device for Elbow Joint. J. Robotics Mechatronics 26 (4) (2014)
Jecinta Kamau, Andrew Rebeiro-Hargrave, Emran Abdullah, Rafiqul Islam Maruf, Kunihiro Nobuhara, Hiroshi Okajima, Ashir Ahmed
Villager centered transport system in unreached communities. SMC (2014)
Hiroshi Okajima, Toru Asai
Performance Limitation of Tracking Control Problem for a Class of References. IEEE Trans. Autom. Control. 56 (11) (2011)
Nobutomo Matsunaga, Aydin Tarik Zengin, Hiroshi Okajima, Shigeyasu Kawaji
Emulation of Fast and Slow Pains Using Multi-Layer Sensor Modeled the Layered Structure of Human Skin. J. Robotics Mechatronics 23 (1) (2011)
Hiroshi Okajima, Nobutomo Matsunaga, Kenji Sawada
Optimal quantization interval design of dynamic quantizers which satisfy the communication rate constraints. CDC (2010)
Nobutomo Matsunaga, Koji Sasano, Hiroshi Okajima
An Implementation of Fractional-order PID Controller with Dynamic Quantizer Considering the Memory Constraint. CCA (2010)
Hiroshi Okajima, Toru Asai, Shigeyasu Kawaji
Unified form of performance limitations in reference tracking control problem for discrete time systems. CDC (2009)
Hiroshi Okajima, Toru Asai
Performance limitation of tracking control problem for a class of references. CDC (2008)