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Masuta, Taisuke,Murata, Akinobu,Endo, Eiichi The Korean Institute of Electrical Engineers 2014 The Journal of International Council on Electrical Vol.4 No.1
Demand side management is an important part of the smart grid for alleviating the uncertainty in renewable energy generation including such as wind power generation and photovoltaic generation. The nuclear accident caused by the 2011 Tohoku Earthquake forced a re-evaluation of the future power generation system in Japan. As a result, demand side management has become critical for future Japanese power systems with its large integration of renewable energy sources, and the evaluation of the impacts of this management is needed for planning purposes. This paper proposes a new energy system model that expands the function of MARKAL (Market Allocation) and considers the characteristics of the total power system in more detail. The relationship between demand side management and the future power generation mix was evaluated using energy system analysis as part of the proposed model. The electric water heaters and heat pump water heaters are conceived as the controllable loads in the demand side management.
통일신학-그 내용개요를 위한 제안 : 윤세원총장의 제안을 기초로
마스다 요시히꼬 선문대학교 통일신학연구원 1996 통일신학연구 Vol.1 No.-
그러므로 새로운 통일신학서는 통일가정의 책, 통일가정을 위한책 또는 세계평화가정연합 시대와 새 가정맹세 시대의 책이어야한다. 그래서, 만일 우리가 교회론에 관한 장을 마련한다면 가정교회와 종족적 교회가 그 장의 주요 부분이 되어야한다. In addressing the growing problem of SPAM e-mail on the Internet, we examine methods for the automated construction of filters to eliminate such unwanted messages from user's mailbox. We take notice that e-mail filtering is a text classification task. The main problems in text classification are lack of labeled data, as well as the cost of labeling the unlabeled data. We address these problems by adapting co-training. We experiment with adaptive co-training on the e-mail domain. Our results show that the performance of adaptive co-training depends on the learning algorithm and features it uses. In particular, adaptive co-training outperforms co-training and other algorithms on email classification.
Development of Koala Robot Capable of Expressing Various Kinds of Feelings
Fuminori Souma,Hiroyuki Masuta,Hun-ok Lim 제어로봇시스템학회 2012 제어로봇시스템학회 국제학술대회 논문집 Vol.2012 No.10
This paper describes the mechanism and the control system of a koala robot. It is extremely important for this kind of pet robot to be familiar with a human being. The robot can express various types of feelings by using body motions, eye motions, and sounds. It consists of 14 DOFs such as 2-DOF in the neck, and a 3-DOF in each leg. Its height is 233[mm], and its weight is 2.24[kg]. Several types of sensors and devices such as LED modules are attached to the head, the face, and the body to express many different types of emotions. Various emotional expression experiments were conducted and evaluated on the basis of questionnaires made by nineteen subjects. As a result, the effectiveness of the mechanism and the control of the robot were verified.
Performance Analysis of Ubiquitous Power Systems under Coordinated Control of System Elements
Liyanage, Kithsiri M.,Masuta, Taisuke,Shimizu, Koichiro,Kihara, Hiroyuki,Yokoyama, Akihiko,Ota, Yutaka,Nakajima, Tatsuhito,Taniguchi, Haruhito The Korean Institute of Electrical Engineers 2011 The Journal of International Council on Electrical Vol.1 No.1
The trend of integrating renewable energy sources into power networks is becoming common in practice, making power systems to be more ubiquitous in nature. The connection of renewable sources in large numbers at distribution level could cause adverse power fluctuations. By employing battery energy storage systems, these fluctuations can be reduced. However economic constraints imposed by high battery cost may not justify liberal use of battery storage to control power fluctuations. The authors have previously shown the possibility of reducing battery energy storage systems' capacity without degrading the performance in terms of energy capturing efficiency and arresting power fluctuations of a ubiquitous power network through coordinated control of elements. Meantime there are attempts to make use the battery energy storage available in electric vehicles to provide a cushion against power and frequency fluctuations caused by renewable generation. In this paper authors presents a comparison between the effectiveness of conventional battery energy storage system and that of battery energy storage available in electric vehicles to improve the performance of ubiquitous power network under coordinated control. This study has shown that energy storage from electric vehicles can outperform conventional battery energy storage systems of similar capacity range under certain conditions.
Emi Ota,Chikara Masuta,Minoru Takeshita 한국식물병리학회 2023 Plant Pathology Journal Vol.39 No.6
A defective RNA3 (D3Yα) of strain Y of cucumber mosaic virus (CMV-Y) was examined on host-specific maintenance, experimental conditions, and a viral factor required for its generation in plants. D3Yα was stably maintained in cucumber but not in tomato plants for 28 days post inoculation (dpi). D3Yα was generated in Nicotiana tabacum or N. benthamiana after prolonged infection in the second and the third passages, but not in plants of N. benthamiana grown at low temperature at 28 dpi or infected with CMV-Y mutant that had the 2b gene deleted. Collectively, we suggest that generation and retention of D3Yα depends on potential host plants and experimental conditions, and that the 2b protein has a role for facilitation of generation of D3Yα.
New In-Pipe Robot Capable of Coping with Various Diameters
Sari Yabe,Hiroyuki Masuta,Hun-ok Lim 제어로봇시스템학회 2012 제어로봇시스템학회 국제학술대회 논문집 Vol.2012 No.10
This paper describes a new robot capable of inspecting pipes with different diameters. The robot is composed of units and connecting links. One unit is used for the robot to move in a straight pipe, while two or more units are needed to move and turn in a divergent pipe. Several experiments are conducted in the pipes with different diameters, and the effectiveness of the mechanism of the robot is confirmed.
Kazuyoshi Furuta,Saki Nagashima,Tsuyoshi Inukai,Chikara Masuta 한국식물병리학회 2017 Plant Pathology Journal Vol.33 No.1
One of the major problems in strawberry productionis difficulty in diagnosis of anthracnose caused by Colletotrichumacutatum or Glomerella cingulata in latentinfection stage. We here developed a diagnostic toolfor the latent infection consisting of initial culturingof fungi, DNA extraction, synthesis of PCR-amplifiedprobes and microtube hybridization (MTH) using amacroarray. The initial culturing step is convenient tolure the fungi out of the plant tissues, and to extractPCR-inhibitor-free DNA directly from fungal hyphae. For specific detection of the fungi, PCR primers weredesigned to amplify the fungal MAT1-2 gene. The subsequentMTH step using the PCR products as probescan replace the laborious electrophoresis step providingus sequence information and high-throughputscreening. Using this method, we have conducted asurvey for a few thousands nursery plants every yearfor three consecutive years, and finally succeeded ineliminating latent infection in the third year of challenge.
Mechanism of One-Legged Jumping Robot With Artificial Musculoskeletal System
Hideki Iijima,Keisuke Sayama,Hiroyuki Masuta,Atsuo Takanishi,Hun-ok Lim 제어로봇시스템학회 2013 제어로봇시스템학회 국제학술대회 논문집 Vol.2013 No.10
This paper describes the mechanism and vertical jumping pattern of a one-legged jumping robot that can mimic the muscular and skeletal system of a human leg. The jumping robot has a waist, a thigh, a shin, a foot, and a toe. Its weight is 12.34 kg, and its height is 1010 mm. It has a total of 13 actuators: 10 mono-articular types and 3 bi-articular types. Two kinds of pneumatic artificial muscles such as mono-articular and bi-articular muscles are installed in the rear and the front of the thigh and shin to antagonize each other. For a vertical jump, a joint angle pattern is developed based on the linear and angular momentum. The effectiveness of the mechanism and the jumping pattern of the robot are verified through simulations and experiments.
김보민,Jun-ichi Inaba,Chikara Masuta 한국원예학회 2011 Horticulture, Environment, and Biotechnology Vol.52 No.2
The Arabidopsis gene AINTEGUMENTA (At-ANT) functions in cell proliferation and organ growth. The ANT protein has two copies of the AP2 domains, R1 and R2. Recently, a partial cDNA sequence of the At-ANT homolog in Antirrhinum majus (Am-ANT) was reported (Delgado-Benarroch et al., 2009). Here, we used virus-induced gene silencing (VIGS) to analyze the function of the reported Am-ANT. We then determined the open reading frame (ORF) of Am-ANT and its predicted amino acid sequence. We induced VIGS using the Cucumber mosaic virus vector (CMV-A1) that contained partial sequence of Am-ANT (A1:ANT) and suppressed the level of Am-ANT mRNA and noted for any phenotypic changes. The function of Am-ANT was very similar to that of At-ANT. The A1:ANT-infected Antirrhinum plants had smaller floral organs and leaves, even though cell sizes were unchanged in flowers and larger in leaves. The CMV-based VIGS showed that the isolated Am-ANT gene was indeed functional in cell proliferation and organ growth as observed for At-ANT. In conclusion, we found that the CMV vector had the advantage of systemically infecting A. majus without severe symptoms for functional analysis of A. majus genes.
Stability Control and Pattern Generation for Biped Humanoid Robot
Yuki Kamogawa,Kouhei Yamada,Hiroyuki Masuta,Hun-ok Lim 제어로봇시스템학회 2013 제어로봇시스템학회 국제학술대회 논문집 Vol.2013 No.10
This paper describes stability control for a biped humanoid robot. The stability control consists of ZMP compensation control and inverted pendulum control for the robot to walk stably on the ground. The ZMP compensation control compensates the displacement of the waist according to ZMP, and the inverted pendulum control accelerates ZMP to the falling direction of the robot. Also, a whole motion pattern generation based on the preview control is developed. It enables the robot to walk with arm swings. According to the walking parameters, the angles of the whole body are calculated by inverse kinematics. In order to verify the effectiveness of the pattern generation and the control method, the simulation of the whole body motion is conducted by using Adams and MATLAB/Simulink.