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RISS 인기검색어
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- 저자 : Takeshi Kawase (검색결과 4 건)
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An Investigation of Control Parameters of Active Filters Based on Voltage Detection
Yukihiko SATO,Takeshi KAWASE,Hiraku MACHIDA 전력전자학회 2001 ICPE(ISPE)논문집 Vol.2001 No.10
Compensation characteristics of active filters based on voltage detection are investigated. These active filters act equivalently as a passive circuit so that they may not cause practical problems such as stimulation of resonance in the distribution lines. Thus, these active filters can be used as the general-purpose active filters. On the other hand, these active filters may have a possibility of the anti-resonance associated with the line inductance of the distribution lines. In this paper, the relationship between the anti-resonance and the control parameters of the proposed active filters is clarified. Some methods to avoid the problems due to the anti-resonance are investigated. Experimental results are included to confirm the validity of the investigation presented in this paper.<br/>
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A Proposal for Prototype-Free Production Preparation Processes Utilizing 3DCG Animations
Shinji Shinoda,Kazuhiro Shimozawa,Akira Niwa,Takeshi Kawase,Toshiyuki Matsumoto,Tadahiro Mizumachi 대한산업공학회 2009 Industrial Engineeering & Management Systems Vol.8 No.2
As the use of 3DCAD data became widespread in designing products in manufacturing, attempts have been made to shorten lead time and reduce cost of production preparation utilizing 3DCAD data for launching assembly lines. In order to create assembly plans not only efficient but easy for operators to operate (‘easy-tooperate’), this study presents approaches, methods, and systems for creating 3DCGAs (3 Dimensional Computer Graphic Animations) which automatically utilize a prototype-free production preparation methodology. Characteristics of this study include that it proposes the methodology for creating assembly operation 3DCGAs automatically, for all the possible assembly operations corresponding each of the possible assembly sequences first. Using the created 3DCGAs, the study next considers assembly methods by evaluating how easy or ‘operator friendly’ they are in implementing, and devises tools or jigs to be used, and plans efficient assembly line organization. The concept of the methodology was formed by focusing on the value-adding assembly steps at which parts turn into products directly. The study also validates the effectiveness of the presented methodology by employing the methods used in actual production preparation process in businesses, and proves that an efficient assembly line can be organized in a shorter period of time utilizing the developed system and by preparing easy-to-operate and efficient plans in 3DCGAs at the design stage.
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A Proposal for Prototype-Free Production Preparation Processes Utilizing 3DCG Animations
Shinoda, Shinji,Shimozawa, Kazuhiro,Niwa, Akira,Kawase, Takeshi,Matsumoto, Toshiyuki,Mizumachi, Tadahiro Korean Institute of Industrial Engineers 2009 Industrial Engineeering & Management Systems Vol.8 No.2
As the use of 3DCAD data became widespread in designing products in manufacturing, attempts have been made to shorten lead time and reduce cost of production preparation utilizing 3DCAD data for launching assembly lines. In order to create assembly plans not only efficient but easy for operators to operate ('easy-to-operate'), this study presents approaches, methods, and systems for creating 3DCGAs (3 Dimensional Computer Graphic Animations) which automatically utilize a prototype-free production preparation methodology. Characteristics of this study include that it proposes the methodology for creating assembly operation 3DCGAs automatically, for all the possible assembly operations corresponding each of the possible assembly sequences first. Using the created 3DCGAs, the study next considers assembly methods by evaluating how easy or 'operator friendly' they are in implementing, and devises tools or jigs to be used, and plans efficient assembly line organization. The concept of the methodology was formed by focusing on the value-adding assembly steps at which parts turn into products directly. The study also validates the effectiveness of the presented methodology by employing the methods used in actual production preparation process in businesses, and proves that an efficient assembly line can be organized in a shorter period of time utilizing the developed system and by preparing easy-to-operate and efficient plans in 3DCGAs at the design stage.
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