Osaka Electro-Communication University

www.osakac.ac.jp/en/
Neyagawa, Japan

Osaka Electro-Communication University , OECU is a private university in Japan. The main campus is located in Neyagawa-shi, Osaka Prefecture. Wikipedia.


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Seki H.,Osaka Institute of Technology | Mizumoto M.,Osaka Electro-Communication University
IEEE Transactions on Fuzzy Systems | Year: 2011

This paper addresses equivalence of fuzzy inference methods. It first presents several well-known fuzzy inference methods: the product-sum-gravity method, the simplified fuzzy inference method, the fuzzy singleton-type inference method, the single input rule modules connected type fuzzy inference method (SIRMs method), and the single input connected fuzzy inference method (SIC method). Second, three fuzzy inference methods of the product-sum-gravity method, simplified fuzzy inference method, and fuzzy singleton-type inference method, which are all widely used as fuzzy control methods, are shown to be equivalent to each other. Third, the equivalence conditions between the SIRMs method and the SIC method, known as single input type fuzzy inference method, are shown. Finally, it also gives the equivalence conditions between the single input type fuzzy inference methods and the previous three fuzzy inference methods. Investigating the equivalence among various fuzzy inference methods would help to understand the relationship of those fuzzy inference methods. © 2011 IEEE.


Tamura T.,Osaka Electro-Communication University
Physiological Measurement | Year: 2012

In an ageing society, the elderly can be monitored with numerous physiological, physical and passive devices. Sensors can be installed in the home for continuous mobility assistance and unobtrusive disease prevention. This review presents several modern sensors, which improve the quality of life and assist the elderly, disabled people and their caregivers. The main concept of geriatric sensors is that they are capable of providing assistance without limiting or disturbing the subject's daily routine, giving him or her greater comfort, pleasure and well-being. Furthermore, this review includes associated technologies of wearable/implantable monitoring systems and the smart-house project. This review concludes by discussing future challenges of the future aged society. © 2012 Institute of Physics and Engineering in Medicine.


Akutsu N.,Osaka Electro-Communication University
Journal of Physics Condensed Matter | Year: 2011

The anisotropic surface free energy, Andreev surface free energy and equilibrium crystal shape (ECS) z=z(x,y) are calculated numerically using a transfer matrix approach with the density matrix renormalization group (DMRG) method. The adopted surface model is a restricted solid-on-solid (RSOS) model with sticky steps, i.e. steps with a point-contact-type attraction between them (p-RSOS model). By analyzing the results, we obtain a first-order shape transition on the ECS profile around the (111) facet; and on the curved surface near the (001) facet edge, we obtain shape exponents having values different from those of the universal GruberMullinsPokrovskyTalapov (GMPT) class. In order to elucidate the origin of the non-universal shape exponents, we calculate the slope dependence of the mean step height of step droplets (bound states of steps) 〈n(p)〉 using the Monte Carlo method, where p=(z∂/∂x, ∂z/∂y) 〈·〈 and represents the thermal average. Using the result of the |p| dependence of n(p), we derive a |p|-expanded expression for the non-universal surface free energy feff(p), which contains quadratic terms with respect to |p|. The first-order shape transition and the non-universal shape exponents obtained by the DMRG calculations are reproduced thermodynamically from the non-universal surface free energy feff(p). © 2011 IOP Publishing Ltd.


Even when a user is gazing at one point intentionally but the eyeball of the user is actually moving slightly, the slight movement is not reproduced as it is as the position of a cursor but a determination is made that the user is gazing at one point intentionally, that is, the eyeball is stopping. Thus, when a determination is made that the eyeball is stopping, the cursor is displayed still even when the gazing point is moving slightly depending on the slight movement. Furthermore, when a determination is made that the cursor is stopped, selection of an object such as other icon displayed at a position where the cursor is displayed is identified.


Patent
Osaka Electro-Communication University | Date: 2012-12-27

An electrolyzer device comprises a container configured to receive liquid to be electrolyzed; an anode arranged in the container and operatively connected to a power supply; a cathode arranged in the container so as to surround at least a portion of the anode and operatively connected to the power supply; a first pipe in liquid connection with the container, the first pipe including an intake port arranged in the vicinity of the cathode relative to the anode; and a second pipe in liquid connection with the container.


Patent
Osaka Electro-Communication University | Date: 2010-09-30

An electrolyzed water production apparatus and method safely and simply produce electrolyzed water having a sterilizing action, having a physiologically neutral pH value, and, in addition, simultaneously with strong acidic electrolyzed water and strong alkaline electrolyzed water depending upon the structure. The electrolyzed water production apparatus has an electrolyzer tank with an end that receives or stores raw water, and a power supply. The interior portion of the electrolyzer tank is partitioned by a plurality of diaphragms into a plurality of regions. An anode and a cathode (constituting an electrode pair) are positioned on either side of the diaphragm. In a certain region of the electrolyzer tank, an anode and a cathode are arranged so as to face each other without a diaphragm sandwiched between them. When raw water for electrolysis is electrolyzed, electrolyzed water having a desired pH of a neutral range is produced during electrolysis.


Patent
Osaka Electro-Communication University | Date: 2015-04-21

A gesture input method includes acquiring motion information of an individual based on a gesture of the individual. The method also includes performing normalization and position-coordinate conversion on the acquired motion information, where the normalization is a correction of at least a first body data of the individual into a second body data that is indicative of a normal figure provided as a base model. The method also includes matching, based on one or more parameters, the normalized and converted motion information against a template to recognize the gesture of the individual, where the one or more parameters include position, velocity, acceleration, distance, and direction. The method further includes generating information for operating an object on a screen on the basis of the normalized and converted motion information that is matched to the template.


Patent
Osaka Electro-Communication University | Date: 2012-05-08

An electrolyzed water production apparatus and method safely and simply produce electrolyzed water having a sterilizing action, having a physiologically neutral pH value, and, in addition, simultaneously with strong acidic electrolyzed water and strong alkaline electrolyzed water depending upon the structure. The electrolyzed water production apparatus has an electrolyzer tank with an end that receives or stores raw water, and a power supply. The interior portion of the electrolyzer tank is partitioned by a plurality of diaphragms into a plurality of regions. An anode and a cathode (constituting an electrode pair) are positioned on either side of the diaphragm. In a certain region of the electrolyzer tank, an anode and a cathode are arranged so as to face each other without a diaphragm sandwiched between them. When raw water for electrolysis is electrolyzed, electrolyzed water having a desired pH of a neutral range is produced during electrolysis.


Patent
Osaka Electro-Communication University | Date: 2012-07-13

Technologies are generally described for transmitting electric power using electromagnetic waves. An example device may include a transmitting unit, a dielectric waveguide, and a receiving unit. The transmitting unit can be configured to transmit the electromagnetic wave through a first waveguide. The dielectric waveguide can be configured to direct the electromagnetic wave from the first waveguide to a second waveguide. Further, the receiving unit can be configured to receive the electromagnetic wave from the dielectric waveguide through the second waveguide. An example borehole radar system may generate an electromagnetic wave from a DC power supply and provide the electromagnetic wave to a power transmitting unit. The power transmitting unit can be configured to transmit the electromagnetic wave through a dielectric waveguide. The electromagnetic wave can be rectified to generate a DC voltage signal, by which a transmitting antenna may be powered to generate a radar signal.


Patent
Osaka Electro-Communication University | Date: 2013-03-01

An electrolyzer device comprises a container configured to receive liquid to be electrolyzed; a separator arranged in the container so as to define a first chamber and a second chamber positioned lower in a vertical direction than the first chamber; a cathode arranged in the first chamber and operatively connected to a power supply; and an anode arranged in the second chamber and operatively connected to the power supply.

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