> Research

Areas of Research

• Assistive technology
• Biomechanics
• Control systems science / Control engineering
• Electric machine
• Mathematical analysis of diffusion phenomenon
• Rehabilitation robotics and mechatronics
• Sensory information engineering
• Tribology
• Voice rehabilitation
• Welfare information technology
• Application of Functional Material
• Virtual Reality
• Hapcit Interface

---

Researchers and thier topics

Keiji Imado, D.Engn
Link: Imado Lab.
Major: Tribology, Biomechanics
Keywords: Tribology, Lubrication, Artificial joint, Biomechanics
Topic title:

• A study of contact temperature due to frictional heating of UHMWPE
• Development of a supporter for preventing low back pain in nursing care

Hiroshi Maeda, M.Phys.Ed.
Link:Maeda, and Okauchi Lab.
Major: Biomechanics
Keywords: Tennis racket, Ball impact, Link model, Visco-elasticity model
Topic title:

• A model for analyzing the impact between a tennis racket and a ball
• A study of mechanical characteristics of tennis racket's grip
• The transmission of impact and vibration from tennis racket to hand

Takami Matsuo, D.Engn
Link: Matsuo Lab.
Major: Control Systems Science
Keywords: Adaptive control theory, Robust control theory, Design of chaotic communication systems, Adaptive estimation of biological clock of crassulacean acid metabolism
Topic title:

• Time-derivative estimation of noisy movie data using adaptive control theory
• Nominal performance recovery by PID+Q controller and its application to anti-sway control of crane lifter with visual feedback
• Zeros and relative degree assignments of adaptive chaotic communication systems

Koukichi Ogawa, D.Engn
Link: Ogawa Lab.
Major: Electric Machine
Keywords: Linear synchoronous reluctnace motor, Transverse flux machine,Boundary integral equations, Magnetic field analysis
Topic title:

• Lateral force of a linear synchoronous reluctance motor
• Static thrust of a short primary linear reluctance motor with simple secondary structure
• 3-D numerical analysis of a short primary linear reluctance motor

Ryoji Fukuda, MathSci.D.
Link: Fukuda Lab.
Major: Welfare Information Technology, Educational Technology
Keywords: Assistive technology, Information technology, Measure theory, Visual aid, Braille
Topic title:

• Exponential integrability of sub－Gaussian vectors
• Sub－Gussian property of pasitive generalized Wiem functions
• Ornstein－Vhlenbeck semigroup and Fourier transform acting on positive finte measures on the Schwarty space

---

Hidetaka Ikeuchi, D.Engn
Link: Ikeuchi Lab.
Major: Control Engineering, Rehabilitation Engineering
Keywords: Human walking, Ground reaction force, Center of pressure, Gait training, Measurement, Dyanamic analysis
Topic title:

• Experimental analysis of force moment about body center of mass during level walking using force plates
• Relation between peak values of floor reaction forces and cadence in human transient walking: starting, stopping, and rurning
• An examination about walking posture on gait training system for computer-aided rehabilitation

Takehito Kikuchi, D.Engn
Link: Kikuchi Lab.
Major: Assistive Robotics, Medical Robotics, Haptic Interface
Keywords: Gait assist, Orthosis, Walking aid, Virtual reality, Functional material
Topic title:

• Mechatronics Devices Using Functional Materials
• Virtual Cycling / Walking System
• Intelligently Controllable Ankle-Foot Orthosis / Walker

Masaaki Okauchi, M.Phys.Ed.
Link:Maeda, and Okauchi Lab
Major: Sports and Biomechanics
Keywords: Sports, Sports dynamics, Volleyball, Impact
Topic title:

• Simulation of impact between hands and ball in overhead passing in volleyball
• A model of ball handling in overhead passing in volleyball
• Simulation of ball handling in overhand passing in volleyball

Norihiro Uemi, D.Engn
Link: Uemi Lab.
Major: Assistive Technology, Sensory Information engineering, Voice rehabilitation
Keywords: Sensory, Hearing, Speech, Prosthesis, Artificial Larynx, Intonation
Topic title:

• Tone Enhancement in mandarin speech for listeners with hearing impairment
• Indusrialization of electrolarynx with a pitch control function and its evaluation
• Effect of sound stimulation for ataxia/ effect in healthy volunteers with their limbs vibrated

---

Haruo Suemitsu, B.Engn
Link: Matsuo Lab.
Major: Control System Engineering
Keywords: Robot, Real time control, Robust control. Adaptive control, Chaotic secure communications
Topic title:

• Nominal performance recovery by PID+Q controller and its application to antisway control of crane lifter with visual feedback
• A design of a nonlinear decrypter for chaotic secure communications
• Adaptive stabilizer for power systems based on Riccati equation

Takefumi Otsu, D.Engn
Link: Imado Lab.
Major: Tribology, Machine design
Keywords: Tribology, Lubrication, Bearing, Machine design
Topic title:

• Development of measurement system for the lubrication film
• Cavitation in the lubrication film
• Effect of lubricant additives on low friction mechanism in boundary lubrication