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A consideration on vector quantization clusterings with kernel functions
Tomiyuki Shiiba,Noritaka Shigei,Hiromi Miyajima 대한전자공학회 2009 ITC-CSCC :International Technical Conference on Ci Vol.2009 No.7
Kernel methods are ones that, by replacing the inner product with positive definite function, implicitly perform a nonlinear mapping of the input data into a high-dimensional feature space. So far, a large number of vector quantization methods such as Learning vector quantization (LVQ) and Neural gas (NG) with kernel functions have been proposed. But, the performance of them has not always clarified yet. In this paper, we perform some simulations of kernel clusterings with small and large number of weight vectors. As a result, it is show that the performance of LVQ and NG with kernel function are the same as one of them with a large number of weight vectors.
小川富之(Ogawa Tomiyuki) 충북대학교 법학연구소 2013 法學硏究 Vol.24 No.2
If parties to a marriage wish to divorce by consent, they must agree upon which parent shall have a sole parental authority. If the parties are unable to agree, then the Court shall determined which parent shall have parental authority. A parent who has parental authority has: the right and duty, to care for and educate the child; the right to determine the residence of the child; the right to discipline the child to the extent necessary; the right to decide whether to allow the child to have an occupation; and the right to administer the property of the child and represent the child in any legal matters. The parties may agree or the Court may make a determination of who will have the authority over the personal matters of the child (the first 4 authorities of the parental authority). Generally, a person who has the authority over the personal matters of the child will have the physical custody of the child. In practice, it is quite rare for the parties to make an agreement under this provision. Consequently, in most cases, the parties will only have an agreement upon which parent shall have sole parental authority under Article 819 of the Civil Code (Minpo). A parent who has sole parental authority will have both physical custody of the child and sole parental responsibility (i.e. the other parent has no right in relation to the child apart from visitation rights as agreed between the parties). Before the 1960s, it was the fathers who usually obtained the sole parental authority over the children. At present, in over 80% of the divorces matters, the mothers obtain sole parental authority over the child. In most of the case, the mothers will obtain sole parental authority over the children if the children are infants. Hence, it is a common understanding among the Japanese mothers who have infants that they will obtain the sole parental authority. This seems to be the case even if the Japanese mothers reside outside Japan.
A Maximum Power Point Tracking Control for Photovoltaic Array without Voltage Sensor
Tomonobu Senjyu,Tomiyuki Shirasawa,Katsumi Uezato 전력전자학회 2001 ICPE(ISPE)논문집 Vol.2001 No.10
This paper presents a maximum power point tracking algorithm for Photovoltaic array using only instantaneous output current information. The conventional Hill climbing method of peak power tracking has a disadvantage of oscillations about the maximum power point. To overcome this problem, we have developed a algorithm, that will estimate the duty ratio corresponding to maximum power operation of solar cell The estimation of the optimal duty ratio involves, finding the duty ratio at which integral value of output current is maximum For the estimation, we have used the well know Lagrange's interpolation method This method can track maximum power point quickly even for changing solar insolations and avoids oscillations after reaching the maximum power point.<br/>
A Maximum Power Point Tracking Control for Photovoltaic Array without Voltage Sensor
Tomonobu Senjyu,Tomiyuki Shirasawa,Katsumi Uezato 전력전자학회 2002 JOURNAL OF POWER ELECTRONICS Vol.2 No.3
This paper presents a maximum power point tracking algorithm for Photovoltaic array using only instantaneous output current information. The conventional Hill climbing method of peak power tracking has a disadvantage of oscillations about the maximum power point To overcome this problem, we have developed an algorithm that will estimate the duty ratio corresponding to maximum power operation of solar cell The estimation of the optimal duty ratio involves, finding the duty ratio at which integral value of output current is maximum. For the estimation, we have used the well know Lagrange's interpolation method. This method can track maximum power point quickly even for changing solar isolation and avoids oscillations after reaching the maximum power point.
A Maximum Power Point Tracking Control for Photovoltaic Array without Voltage Sensor
Senjyu, Tomonobu,Shirasawa, Tomiyuki,Uezato, Katsumi The Korean Institute of Power Electronics 2002 JOURNAL OF POWER ELECTRONICS Vol.2 No.3
This paper presents a maximum power point tracking algorithm for Photovoltaic array using only instantaneous output current information. The conventional Hill climbing method of peak power tracking has a disadvantage of oscillations about the maximum power point. To overcome this problem, we have developed an algorithm that will estimate the duty ratio corresponding to maximum power operation of solar cell. The estimation of the optimal duty ratio involves, finding the duty ratio at which integral value of output current is maximum. For the estimation, we have used the well know Lagrange's interpolation method. This method can track maximum power point quickly even for changing solar isolation and avoids oscillations after reaching the maximum power point.