School of Fundamental Science and Engineering

  • Japan

Research Output 1976 2020

Filter
Article
2019

A Characterization of Harmonic Lr -Vector Fields in Two-Dimensional Exterior Domains

Hieber, M. G., Kozono, H., Seyfert, A., Shimizu, S. & Yanagisawa, T., 2019 Jan 1, In : Journal of Geometric Analysis.

Research output: Contribution to journalArticle

Exterior Domain
Vector Field
Harmonic
Unit normal vector
Simple Closed Curve

Aco-inspired energy-aware routing algorithm for wireless sensor networks

Yamamoto, R., Nishibu, S., Yamazaki, T., Okamura, Y. & Tanaka, Y., 2019 Jan 1, In : Journal of Telecommunications and Information Technology. 1, p. 5-13 9 p.

Research output: Contribution to journalArticle

Open Access
Routing algorithms
Wireless sensor networks
Communication
Network performance
Energy utilization

Advanced photo-assisted capacitance-voltage characterization of insulator/wide-bandgap semiconductor interface using super-bandgap illumination

Hiraiwa, A., Okubo, S., Horikawa, K. & Kawarada, H., 2019 May 7, In : Journal of Applied Physics. 125, 17, 175704.

Research output: Contribution to journalArticle

capacitance
illumination
insulators
electric potential
charging

A highly accurate transportation mode recognition using mobile communication quality

Kawakami, W., Kanai, K., Wei, B. & Katto, J., 2019 Apr 1, In : IEICE Transactions on Communications. E102B, 4, p. 741-750 10 p.

Research output: Contribution to journalArticle

Communication
Accelerometers
Sensors
Subways
Bicycles

A multiple cyclic-route generation method with route length constraint considering point-of-interests

Nishimura, T., Ishikawa, K., Takayama, T., Yanagisawa, M. & Togawa, N., 2019 Apr 1, In : IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences. E102A, 4, p. 641-653 13 p.

Research output: Contribution to journalArticle

Reference Point
User Preferences
Search Methods

Analyse numérique des caractéristiques de régulation des systèmes de pompe à chaleur à débit de frigorigène variable en se concentrant sur l'effet du détendeur et du ventilateur intérieur

Translated title of the contribution: Numerical analysis of control characteristics of variable refrigerant flow heat-pump systems focusing on the effect of expansion valve and indoor fanMatsumoto, K., Ohno, K., Yamaguchi, S. & Saito, K., 2019 Mar 1, In : International Journal of Refrigeration. 99, p. 440-452 13 p.

Research output: Contribution to journalArticle

Plant expansion
Heat pump systems
Fans
Numerical analysis
Flow of fluids

Analysis of body pressure distribution on car seats by using deep learning

Mitsuya, R., Kato, K., Kou, N., Nakamura, T., Sugawara, K., Dobashi, H., Sugita, T. & Kawai, T., 2019 Feb 1, In : Applied Ergonomics. 75, p. 283-287 5 p.

Research output: Contribution to journalArticle

Seats
Pressure distribution
Railroad cars
Learning
Body Size

An FPGA implementation method based on distributed-register architectures

Fujiwara, K., Kawamura, K., Yanagisawa, M. & Togawa, N., 2019 Feb 1, In : IPSJ Transactions on System LSI Design Methodology. 12, p. 38-41 4 p.

Research output: Contribution to journalArticle

Open Access
Field programmable gate arrays (FPGA)
Networks (circuits)
Open Access
Base stations
vehicles
stations
communication
Femtocell
Open Access
quadrature amplitude modulation
MIMO (control systems)
Quadrature amplitude modulation
Equalizers
sidebands

A Status-transition Model for CO2 Heat Pump Water Heater Based on Modified Lorentz cycle

Bando, Y., Hattori, H. & Amano, Y., 2019 Jan 1, In : International Journal of Thermodynamics. 22, 1, p. 26-33 8 p.

Research output: Contribution to journalArticle

Water heaters
heat pumps
heaters
Pumps
cycles

Asymptotically normal estimators of the ruin probability for lévy insurance surplus from discrete samples

Shimizu, Y. & Zhang, Z., 2019 Jun 1, In : Risks. 7, 2, 37.

Research output: Contribution to journalArticle

Open Access
Ruin probability
Estimator
Surplus
Insurance
Probability of ruin

Automatic self-improvement scheme in optical flow-based motion estimation for sequential fisheye images

Satyawan, A. S., Hara, J. & Watanabe, H., 2019 Jan 1, In : ITE Transactions on Media Technology and Applications. 7, 1, p. 20-35 16 p.

Research output: Contribution to journalArticle

Open Access
Optical flows
Motion estimation
Luminance
Cameras
Physarum
problem solving
paradoxes
Surveys and Questionnaires

Carbon 1s X-ray photoelectron spectra of realistic samples of hydrogen-terminated and oxygen-terminated CVD diamond (111) and (001)

Kono, S., Kageura, T., Hayashi, Y., Ri, S. G., Teraji, T., Takeuchi, D., Ogura, M., Kodama, H., Sawabe, A., Inaba, M., Hiraiwa, A. & Kawarada, H., 2019 Mar 1, In : Diamond and Related Materials. 93, p. 105-130 26 p.

Research output: Contribution to journalArticle

Diamond
Photoelectrons
Hydrogen
Chemical vapor deposition
Diamonds

Carboxyl-functionalized graphene SGFET: pH sensing mechanism and reliability of anodization

Falina, S., Syamsul, M., Iyama, Y., Hasegawa, M., Koga, Y. & Kawarada, H., 2019 Jan 1, In : Diamond and Related Materials. 91, p. 15-21 7 p.

Research output: Contribution to journalArticle

Gates (transistor)
Graphite
Graphene
Defect density
Functional groups
Microchannels
Air conditioning
Two phase flow
Heat exchangers
Liquids
plastics
Metals
Plastics
porosity
metals
1 Citation (Scopus)

Compressive properties of A2024 alloy foam fabricated through a melt route and a semi-solid route

Kuwahara, T., Osaka, T., Saito, M. & Suzuki, S., 2019 Jan 1, In : Metals. 9, 2, 153.

Research output: Contribution to journalArticle

Open Access
Foams
Alloying elements
Crystals
Brittle fracture
Energy absorption

Constructing ray class fields of a real quadratic field using elliptic curves

Fukuda, T., Komatsu, K. & Hashimoto, K., 2019 Jan 1, In : Acta Arithmetica. 187, 3, p. 219-232 14 p.

Research output: Contribution to journalArticle

Real Quadratic Fields
Elliptic Curves
Half line
Class

Content-oriented disaster network utilizing named node routing and field experiment evaluation

Qi, X., Wen, Z., Yu, K., Murata, K., Shibata, K. & Sato, T., 2019 May 1, In : IEICE Transactions on Information and Systems. E102D, 5, p. 988-997 10 p.

Research output: Contribution to journalArticle

Open Access
Wide area networks
Disasters
Communication
Electric power transmission networks
Experiments

Coordinated behavior of cooperative agents using deep reinforcement learning

Diallo, E. A. O., Sugiyama, A. & Sugawara, T., 2019 Jan 1, In : Neurocomputing.

Research output: Contribution to journalArticle

Reinforcement learning
Cooperative Behavior
Learning
Network architecture
Reward

Cortical Correlates of Locomotor Muscle Synergy Activation in Humans: An Electroencephalographic Decoding Study

Yokoyama, H., Kaneko, N., Ogawa, T., Kawashima, N., Watanabe, K. & Nakazawa, K., 2019 May 31, In : iScience. 15, p. 623-639 17 p.

Research output: Contribution to journalArticle

Open Access
Muscles
Walking
Brain-Computer Interfaces
Brain
Rehabilitation
1 Citation (Scopus)

Development of complex energy systems with absorption technology by combining elementary processes

Seki, K., Takeshita, K. & Amano, Y., 2019 Feb 4, In : Energies. 12, 3, 495.

Research output: Contribution to journalArticle

Open Access
Optimal systems
Absorption
Energy resources
Energy
Energy efficiency

Direct exfoliation of layered materials in low-boiling point solvents using weak acid salts

Arao, Y., Tanks, J. D., Kubouchi, M., Ito, A., Hosoi, A. & Kawada, H., 2019 Feb 1, In : Carbon. 142, p. 261-268 8 p.

Research output: Contribution to journalArticle

Boiling point
Salts
Acids
Sonication
Nanosheets
1 Citation (Scopus)

Dynamical Properties of the Finite-size Dicke Model Coupled to a Thermal Reservoir

Imai, R. & Yamanaka, Y., 2019 Jan 1, In : Journal of the Physical Society of Japan. 88, 2, 024401.

Research output: Contribution to journalArticle

counters
cavities
photons
energy
Air conditioning
Exergy
Thermodynamics
Neural networks
Thermal comfort

Ebbinghaus illusion depends more on the retinal than perceived size of surrounding stimuli

Takao, S., Clifford, C. W. G. & Watanabe, K., 2019 Jan 1, In : Vision Research. 154, p. 80-84 5 p.

Research output: Contribution to journalArticle

Effect of Ca doping on modulated structures in multiferroic Bi1−xCaxFeO3

Hiroyama, T., Hirata, A., Inoue, Y., Horibe, Y. & Koyama, Y., 2019 Jan 1, In : journal of the physical society of japan. 88, 5, 054601.

Research output: Contribution to journalArticle

antiphase boundaries
room temperature
diffraction patterns
electron diffraction
modulation

Effect of phonon-drag contributed seebeck coefficient on Si-Wire thermopile voltage output

Fauziah, K., Suzuki, Y., Narita, Y., Kamakura, Y., Watanabe, T., Salleh, F. & Ikeda, H., 2019 Jun 1, In : IEICE Transactions on Electronics. E102C, 6, p. 475-478 4 p.

Research output: Contribution to journalArticle

Thermopiles
Seebeck coefficient
Drag
Wire
Electric potential
1 Citation (Scopus)

Effect of primary crystals on pore morphology during semi-solid foaming of A2024 alloys

Kuwahara, T., Saito, M., Osaka, T. & Suzuki, S., 2019 Jan 1, In : Metals. 9, 1, 88.

Research output: Contribution to journalArticle

Crystals
Macros
Foams
Blowing agents
Cooling water

Effects of TiC Addition on Directionally Solidified Microstructure of Ti6Al4V

Yamamoto, S., Date, N., Mori, Y., Suzuki, S., Watanabe, Y., Nakano, S. & Sato, N., 2019 Jan 1, In : Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science.

Research output: Contribution to journalArticle

Zone melting
Thermal gradients
Solidification
Molten materials
Aspect ratio

Electrostatic cleaning equipment for dust removal from soiled solar panels

Kawamoto, H., 2019 Mar 1, In : Journal of Electrostatics. 98, p. 11-16 6 p.

Research output: Contribution to journalArticle

Dust
Static Electricity
cleaning
Electrostatics
Cleaning

Electrostatic Precipitation in the Martian Environment 1

Kawamoto, H. & Kojima, S., 2019 May 1, In : Journal of Aerospace Engineering. 32, 3, 04019006.

Research output: Contribution to journalArticle

Dust
Electrostatics
Wire
Electrodes
Oxygen

Entanglement of Art Coefficient, or Creativity

Nakamura, K. & Gunji, Y., 2019 Jan 1, In : Foundations of Science.

Research output: Contribution to journalArticle

Art
Entanglement
Creativity
Intentions
Marcel Duchamp

Evaluation of throughput prediction for adaptive bitrate control using trace-based emulation

Wei, B., Song, H., Wang, S., Kanai, K. & Katto, J., 2019 Jan 1, In : IEEE Access. 7, p. 51346-51356 11 p., 8681430.

Research output: Contribution to journalArticle

Video streaming
Throughput
HTTP
Buffers
Experiments

Evolution process of diffuser stall in a centrifugal compressor with vaned diffuser

Fujisawa, N., Inui, T. & Ota, Y., 2019 Apr 1, In : Journal of Turbomachinery. 141, 4, 041009.

Research output: Contribution to journalArticle

Tornadoes
Centrifugal compressors
Pressure measurement
Dynamic analysis
Numerical analysis

Fabrication of porous metals with unidirectionally aligned pores by rod-dipping process

Muto, D., Yoshida, T., Tamai, T., Sawada, M. & Suzuki, S., 2019 Jan 1, In : Materials Transactions. 60, 4, p. 544-553 10 p.

Research output: Contribution to journalArticle

dipping
rods
Metals
porosity
Fabrication

Functionalization of a diamond surface through N 2 and H 2 irradiation for estrogen (17β-estradiol) aptamer sensing

Suaebah, E., Hasegawa, M., Buendia, J. J., Fei, W., Chandran, M., Hoffman, A. & Kawarada, H., 2019 Jan 1, In : Sensors and Materials. 31, 4, p. 1119-1134 16 p.

Research output: Contribution to journalArticle

Open Access
estrogens
Diamond
Estradiol
Diamonds
Estrogens

Generation of efficient obfuscated code through just-in-time compilation

Hataba, M., El-Mahdy, A. & Ueda, K., 2019 Mar 1, In : IEICE Transactions on Information and Systems. E102D, 3, p. 645-649 5 p.

Research output: Contribution to journalArticle

Open Access
Cloud computing
Engineers
Processing
Costs

Griffin-lim like phase recovery via alternating direction method of multipliers

Masuyama, Y., Yatabe, K. & Oikawa, Y., 2019 Jan 1, In : IEEE Signal Processing Letters. 26, 1, p. 184-188 5 p., 8552369.

Research output: Contribution to journalArticle

Method of multipliers
Alternating Direction Method
Recovery
Spectrogram
Acoustic signal processing

G δ -topology and compact cardinals

Usuba, T., 2019 Jan 1, In : Fundamenta Mathematicae. 246, 1, p. 71-87 17 p.

Research output: Contribution to journalArticle

Compact Hausdorff Space
Supremum
Strongly Compact Cardinal
Measurable Cardinal
Topology

Heat transfer enhancement in chilldown process with electrospun nanofiber coating

Fukiba, K., Tokawa, S., Kawashima, H. & Adachi, H., 2019 Jul 1, In : Cryogenics. 101, p. 75-78 4 p.

Research output: Contribution to journalArticle

Nanofibers
heat transfer
Boiling liquids
Heat transfer
coatings

Investigation of cryogenic chilldown in a complex channel under low gravity using a sounding rocket

Kinefuchi, K., Sarae, W., Umemura, Y., Fujita, T., Okita, K., Kobayashi, H., Nonaka, S., Himeno, T. & Satou, T., 2019 Jan 1, In : Journal of Spacecraft and Rockets. 56, 1, p. 91-103 13 p.

Research output: Contribution to journalArticle

Sounding rockets
sounding rockets
microgravity
Cryogenics
cryogenics

Isoperimetric deformations of curves on the Minkowski plane

Park, H., Inoguchi, J. I., Kajiwara, K., Maruno, K., Matsuura, N. & Ohta, Y., 2019 Jan 1, In : International Journal of Geometric Methods in Modern Physics.

Research output: Contribution to journalArticle

defocusing
curves
Electromyography
Fingers
Hand
Logistic Models
Regression Analysis

Low-cost, bottom-up measures for evaluating search result diversification

Dou, Z., Yang, X., Li, D., Wen, J. R. & Sakai, T., 2019 Jan 1, In : Information Retrieval Journal.

Research output: Contribution to journalArticle

diversification
costs
Costs
Experiments
experiment
1 Citation (Scopus)

Low-energy transfers to the Moon with long transfer time

Oshima, K., Topputo, F. & Yanao, T., 2019 Jan 1, In : Celestial Mechanics and Dynamical Astronomy. 131, 1, 4.

Research output: Contribution to journalArticle

Moon
Energy Transfer
moon
Energy transfer
energy transfer

Magnetic suspension and balance system for high-subsonic wind tunnel

Kai, D., Sugiura, H. & Tezuka, A., 2019 Jan 1, In : AIAA Journal. 57, 6, p. 2489-2495 7 p.

Research output: Contribution to journalArticle

Wind tunnels
Drag
Magnetic fields
Aerodynamic loads
Subsonic flow

Markov-like set-valued functions on finite graphs and their inverse limits

Imamura, H., 2019 Sep 1, In : Topology and its Applications. 264, p. 175-186 12 p.

Research output: Contribution to journalArticle

Set-valued Function
Inverse Limit
Finite Graph
Generalized Inverse
Homeomorphic