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6th International Conference on Business and Industrial Research, ICBIR 2021

作者： Chiba, Shohei Sasaoka, Hisayuki National Institute of Technology Asahikawa College Advanced Course of Production System Engineering Asahikawa Japan National Institute of Technology Asahikawa College Dep. of Electrical and Computer Engineering Asahikawa Japan

ISBN: (纸本)9781665433495

Reinforcement learning, deep learning, and deep reinforcement learning can effectively acquire action rules for the autonomous motion of objects. However, some researchers have reported that the machine learning process requires a large amount of learning time. Besides, the process needs to consider the similarity of the environment between the training target and the test target. There is no such thing as driving only on a course learned in advance in actual autonomous driving. In this study, we have used a transfer learning algorithm for autonomous drivings for model cars. The training target for acquiring the learning model and the actual driving courses are changed. In this study, we report on the effectiveness of transfer learning using a model car as the basis for a learning model acquired by reinforcement learning. © 2021 IEEE.

关键词： Deep learning

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CMSAS: A concept of middleware architecture to integrate heterogeneous sensor networks and actuators 14

CMSAS: A concept of middleware architecture to integrate het...

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6th ACM MobiCom Workshop on Wireless of the Students, by the Students, for the Students, S3 2014

作者： Nakamura, Yugo Fujiwara, Takahiro Advanced Course of Production System Engineering National Institute of Technology Hakodate College 14-1 Tokura-cho Hakodate Hokkaido042-8501 Japan Dept. of Production System Engineering National Institute of Technology Hakodate College 14-1 Tokura-cho Hakodate Hokkaido042-8501 Japan

ISBN: (纸本)9781450330732

Sensor Network technologies are expected to be used in various kinds of application systems. Most of them, however, have been developed to work in a dedicated system. It is desired that various types of sensor networks could be operable in a same application system. To meet the requirement, we have studied middleware architecture named CMSAS (Common Middleware in Sensors, Actuators and Storages), which aims to realize virtual communications between various devices such as heterogeneous sensor networks, actuators and storages. In this paper, we propose the concept of CMSAS based on RT middleware, which was developed by National Institute of advanced Industrial Science and Technology (AIST) to integrate components in robot technologies. We also discuss implementation design of CMSAS in wireless sensor networks to collect acceleration data. Copyright © 2014 ACM.

关键词： Middleware

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Heat Transfer Efficiency Evaluation for Outward and Inward Multi-Flame-Hole Gas Burner

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Journal of Thermal Science 2012年第2期21卷 189-195页

作者： Shin-ichi MORITA Yasutaka HAYAMIZU Takashi KATAYAMA Hideo INABA Department of Mechanical Engineering Yonago National College of Technology 4448 Hikona-cho Yonago city Tottori 683-8502 Japan Department of System Production Engineering Yonago National College of Technology Advanced Course 4448 Hikona-cho Yonago city Tottori 683-8502 Japan Tsuyama National College of Technology 624-1 Numa Tsuyama city Okayama 708-8509 Japan

The purpose of this study is to understand the factor that influence the heating efficiency of the outward and inward multi-hole gas burner. The flame-hole angle and the distance from flame hole to heating object are chosen as the experimental parameters. The measurement of the flame temperature distribution is carried out on each experimental condition. The observation of combustion flame, by the Schlieren method, is done from the purpose to understand the combustion phenomenon on the heating efficiency. LPG (Liquefied petroleum gas) is used for the test fuel gas. The compositions of LPG are propane 97.5vol%, butane 0.2vol% and methane + ethylene 2.3vol%. The optimum ranges of the flame-hole angle and the distance from flame hole to heating object are clarified. The experimental correlation equations for the outward and inward multi-flame-hole gas burner are proposed.

关键词： Burner Heat Transfer Design Thermal Efficiency Energy Saving

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Soccer agents using inductive learning with Hand-coded rules

Soccer agents using inductive learning with Hand-coded rules

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IEEE International Conference on systems, Man and Cybernetics

作者： H. Sasaoka S. Muraki K. architecture Advanced Course of Production System Engineering Asahikawa National College of Technology Asahikawa JAPAN

This paper proposes a learning method for rules of soccer agents' actions in RoboCup Soccer. In general, soccer agents need to do high skilled actions in real time and they should have a mechanism to decide the actions. The soccer agents based on our method refer to some types of rules in order that they go into highly skilled actions. One type of them is the rules that are Hand-coded rules. Another type is the rules that are acquired using inductive learning and they are acquired from examples of actions, automatically. We describe the basic idea for them and indicate examples of rules.

关键词： Machine learning Games production systems systems engineering and theory Educational institutions Learning systems Humans Costs

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Effect of surface condition on eddy current evaluation of ductile cast iron matrix 72

Effect of surface condition on eddy current evaluation of du...

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72nd World Foundry Congress, WFC 2016

作者： Horikawa, Noritaka Honma, Takato National Institute of Technology Asahikawa College 1-62-2 Shunkoudai Asahikawa072-8142 Japan Advanced Course of Production System Engineering National Institute of Technology Asahikawa College Japan

ISBN: (纸本)9781510833128

This study examined the effect of the surface conditions on evaluating ductile cast iron matrix with the eddy current method. Specimens having matrix with various pearlite ratio were prepared. The surfaces of the specimens are machined by face mill and shaping machine with various cutting conditions. Surface roughness of the test piece was measured. Eddy current testing was carried out with an eddy current flaw tester. Cutting condition affects the eddy current signals especially when a worn cutting chip was used. Difference of matrix can be evaluated by using eddy current signals, but the surface machining has unignorable effect. © 2016, The WFO (The World Foundry Organization Ltd). All rights reserved.

关键词： Eddy current testing

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A trial of flapping water turbine

Nihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japa...

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Nihon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B 2011年第779期77卷 1445-1456页

作者： Iwagishi, Chiso Nakamura, Takahiko Honmura, Shinji Nakagawa, Koji Hakodate National College of Technology Advanced Course of Production System Engineering Tokura 14-1 Hakodate Hokkaido 042-8501 Japan

A flapping water turbine is a kind of power generating machine which extracts mechanical energy from flowing water by swing of blade motion. In this study, we carried out numerical simulation of blade motion and experiment on river. In the simulation, we made numerical integration of momentum equation about roll angle and compared the result with experiment in water channel. The disagreement in roll angle between the simulation and the result of experiment were discussed by using analytical model and basic data of blade fluid dynamic characteristics. The result of river experiment showed that flapping water turbine can extract energy from stream with rippling surface and turbulence. © 2011 The Japan Society of Mechanical Engineers. © 2012 The Japan Society of Mechanical Engineers.

关键词： Rivers

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Deformation in axial compression of aluminum tubular structures with ribs

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Keikinzoku/Journal of Japan Institute of Light Metals 2019年第8期69卷 379-386页

作者： Yokoya, Keisuke Miyazaki, Makoto Tojo, Yusuke Yamashita, Minoru Institute of Technology Nagano College Advanced Course of Production and Environment System National 716 Tokuma Nagano-shi Nagano381-8550 Japan Department of Mechanical Engineering Tokyo Institute of Technology [2-12-1 Ookayama School of Engineering Meguro-ku Tokyo152-8552 Japan Department of Mechanical Engineering National Institute of Technology Nagano Japan DENSO Aircool Corporation Japan Department of Mechanical Engineering Gifu University Japan

Dynamic compression behavior of various kinds of polygonal tubular structures with ribs are investigated. Square hollow structures and that with rib reinforcement of aluminum extrusions are in dynamic axial compression, using a drop hammer. Numerical simulation was also conducted for the wider variety of cross-sectional shapes and reinforcements. The effect of the axial length, cross-sectional shape and reinforcing rib arrangement on the deformation behavior were investigated. Comparable compressive force was obtained when the cross-sectional area of the structure is similar, even if the number of edges in cross-section increases from four (square) to eight. Rib reinforcement is very effective for the improvement of the crush or energy absorbing performance. Deformation behavior was successfully predicted by the numerical simulation. Numerical simulation of the compression of the various polygonal tubular structures with radial ribs was also carried out. The number of radial ribs in cross-section of the polygonal hollow structure has a positive relationship to the deformation constraint at corners and the torsional rigidity, consequently, the crush resistance increased. © 2019 The Japan Institute of Light Metals.

关键词： Reinforcement

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Research on Metamaterial Technology for Microwave Wireless Power Transfer

Research on Metamaterial Technology for Microwave Wireless P...

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2024 International Symposium on Antennas and Propagation, ISAP 2024

作者： Yamamoto, Tsunayuki Kobashi, Takeo Maruyama, Tamami Department of Integrated Science and Technology National Institute of Technology Tsuyama College Tsuyama-shi Japan Advanced Electronics and Information System Engineering Course National Institute of Technology Tsuyama College Tsuyama-shi Japan Department of Production Systems Engineering Institute of Technology Hakodate College Hakodate-shi Japan

ISBN: (纸本)9798350364774

In this paper, two technologies of metamaterial for microwave wireless power transfer are shown. One is a zeroth-order resonance for a microwave snow melting system, and another one is a focusing reflector for realizing of a highly efficient wireless power transfer space. A zeroth-order resonance leads a uniformed microwave heating and a flexibility of feeding in a snow melting system. Focusing reflector can make some electromagnetic hot and null points in a space. These are expected to be required technologies for highly efficient wireless power transfer. © 2024 IEEE.

关键词： Reflection

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Novel active CRLH transmission lines incorporating FETs for reconfigurable antennas

Novel active CRLH transmission lines incorporating FETs for ...

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International Congress on advanced Electromagnetic Materials in Microwaves and Optics (METAMATERIALS)

作者： H. Mizutani K. Ota R. Ishikawa K. Honjo Advanced Course of Production System Engineering Salesian Polytechnic Machida JAPAN University of Electro-Communications Graduate School of Informatics and Engineering Chofu JAPAN

In this paper, the novel active composite right/left-handed transmission lines (CRLH-TLs) are presented incorporating FETs for the reconfigurable antennas. The demonstrated CRLH-TL with three FETs has four states with respect to the bias combination of the FETs. The measured characteristics of the developed active CRLH-TL indicate two states of the radiation and the reflection with the bias combination. In the case of the radiation state, the backward radiations are observed from the EM simulation in the left-handed (LH) region. The proposed active CRLH-TLs incorporating FETs provide the reconfigurable characteristics for the leaky wave antenna.

关键词： Field effect transistors Loss measurement Photonic band gap Electromagnetics Equivalent circuits Propagation losses Metamaterials

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"Ee-class"- Interactive lecture support system using the Wii remote

"Ee-class"- Interactive lecture support system using the Wii...

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13th IASTED International Conference on Computers and advanced Technology in Education, CATE 2010

作者： Sugimoto, Masaki Kiyota, Kimiyasu Ezaki, Nobuo Advanced Course of Production System Engineering Toba National College of Maritime Technology 1-1 Ikegami-cho Toba-shi MIE 517-8501 Japan Department of Human-Oriented Information Systems Engineering Kumamoto National College of Technology 2659-2 Suya Koshi Kumamoto 861-1102 Japan

ISBN: (纸本)9780889868670

In recent years, lectures using electronic devices have been tried in various educational institutions. Using these electronic devices is effective as a means of active participation in lectures for students. The Wii remote is one of these devices. In this paper, we propose the "Eeclass," an interactive lecture support system which uses the Wii Remote. One feature of this system is that students can write in the air using Wii - remotes instead of a blackboard. Implemented functions are as follows: (1) Automatic attendance confirmation, (2) Additional writing on electronic blackboard using an electronic pen device, (3) Automatic counting of a show of hands, (4) Voting opinions, and (5) Writing letter in the air. From the experimental result for 1077 Japanese characters using this handwriting function, we confirmed that the recognition accuracy was 78.5% for the first test and for the 15th was 98.8%.

关键词： Students

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