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Volume 49 (2002)
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Volume 49, Issue 1
Displaying 1-14 of 14 articles from this issue
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Makoto Watanabe, Chul-Ho Kim, Kazuo SugiyamaArticle type: Article
2002 Volume 49 Issue 1 Pages 1-8
Published: May 31, 2002
Released on J-STAGE: July 19, 2017
JOURNAL FREE ACCESSThis study clarified aspects of the core-competence of the in-house design department within manufacturing company in Japan. The reason for focusing on manufacturing company in Japan is as follows: (1) the staff number of design departments exceeds one hundred people, (2) their business style depends on exporting to overseas market and (3) they develop and supply new products almost every year. In this order, descriptive items of the core-competence among in-house design departments were gathered. Hearing interviews with the surveyed design departments' general manager were conducted. Based on this, the various items were classified into three groups "organization", "operation" and "resource". Further, visualization of each group's structure was achieved by using quantification theory type III .Their core-competence was understood as to modeling six criteria, as follows: [1] Operation ("Division Closely" vs. "Design Originally"; "Project Management" vs. "Step Management"); [2] Organization ("Center Type" vs. "Division Type"; "Business Performance Priority Type" vs. "Business Creation Type"); [3] Resource ("Group of the Specialist" vs. "Group of the Multi- talent"; "Depends on Individual" vs. "Depends on Organization"). Authors conclude that these criteria can be managerially as to becoming an index for predicting and outlining future trends within the in-house design management practice.View full abstractDownload PDF (897K) -
Aya HarikaiArticle type: Article
2002 Volume 49 Issue 1 Pages 9-18
Published: May 31, 2002
Released on J-STAGE: July 19, 2017
JOURNAL FREE ACCESSThis study is an investigation of the plan of interior design for the Peter Behrens House designed by himself, one of the most important achievements shown at the first exhibition (1901) of the artist colony in Darmstadt. This study examines the script of a celebratory play entitled "The Sign" and shows that Behrens' central motif, "a diamond", had its origins in the climax of the play, whose performance at the opening of the exhibition Behrens directed. This study also suggests that another key motif in his design for the House, "a crystal", is regarded as a pair concept. Because of his choosing these symbols, the interior of the Behrens House became not only a geometrical design but a I so marked a departure from the existing Jugendstil.View full abstractDownload PDF (1478K) -
Ji-sook choi, Yoshitsugu MoritaArticle type: Article
2002 Volume 49 Issue 1 Pages 19-28
Published: May 31, 2002
Released on J-STAGE: July 19, 2017
JOURNAL FREE ACCESSWe studied the method of structuring the sign system for pedestrians in the underground space by investigating and analyzing the sign system at Tenjin Underground commercial Area in Fukuoka city by 1) classifying the signs by types and comparing their number for each type in sections, 2) classifying the signs by the points of installation, types, functions and contents of information and comparing their numbers, 3) classifying the signs by their height and comparing by the points of installation, and 4) classifying the signs by their points of installation and finding patterns. We found out that the current pedestrian signs in Tenjin Underground commercial Area could by classified into those installed with a certain regularity and those concentrated in at certain points. We also found out that there were two problems with the current signage system; the effective use of space for signage and discontinuity of information due to imbalance in information depending on how the points of installation are distributed, and difficulty in obtaining information due to insufficient types of signs. We suggest that there is a need for the new method of posting of signs in order to encourage bilateral communication between the underground space and pedestrians in order for the pedestrians to easily obtain the necessary information as.they move in the underground space.View full abstractDownload PDF (1661K) -
Yuji HagiwaraArticle type: Article
2002 Volume 49 Issue 1 Pages 29-36
Published: May 31, 2002
Released on J-STAGE: July 19, 2017
JOURNAL FREE ACCESSSocial equipping of information infrastructures are steadily advancing. Using these facilities, the designer can grasp direct request and opinion of the user. Based on such fact, design support system in which the user could research "form and color" on the product was constructed. Target of the design in this study was made to be products of the circumference of the desk for recent university student. The theme was made to be the feeling of the unification on the design. First, the result of the interview for the university student was analyzed, and principal component on the image which they required was extracted. To the second, the relationship between "position in the principal component space" and "form and color" was expressed by the fuzzy rule. The fuzzy system for acquiring the plan using these rules was constructed. Using this fuzzy system, the simulation which acquired the plan in the optional position in the principal component space was carried out. Then, the result of this simulation showed the possibility of the design development in which the user also participated.View full abstractDownload PDF (1002K) -
Tomonaga SaitoArticle type: Article
2002 Volume 49 Issue 1 Pages 37-46
Published: May 31, 2002
Released on J-STAGE: July 19, 2017
JOURNAL FREE ACCESSThis paper explores what design process realize innovative concept of product asked in a digitai product. The following points have been extracted from the interview to the development persons in charge. (1) The setup of the design target which focused on the non-object characteristic. (2) The design process initiated by a designer's vision which is neither a technicai seeds initiative type nor a market needs initiative type. (3) The formation process of the design target by prototyping. (4) Two way directions concept formation process both of top-down and bottom-up. (5) The knowledge interaction between the development persons cocerned beyond the formal organization These are not dependent on formal organization structure, they are based on the informal interaction of the persons concerned. In the digital product design, it was proved that emergence served as an important key as the process for realizing an innovative design.View full abstractDownload PDF (1501K) -
Tomonaga Saito, Sadayosi IsidaArticle type: Article
2002 Volume 49 Issue 1 Pages 47-54
Published: May 31, 2002
Released on J-STAGE: July 19, 2017
JOURNAL FREE ACCESSThis study is an investigation of formation process of the product concept of digital camera in relation to the business domains of each company. As a result of investigating about ail products, it has classified into four, the basic function as a camera, the function to photpgraph, the function to create and the function to connect, as a factor which characterizes digital camera. As a result of investigating about how to place the specific gravity for each company of these, the difference in the product development directivity was found. The followings were understood as a result of investigating the relevance of the difference and the business domain's. 1 .Fuji Film has strengthened the camera as network terminal. 2. Canon aims at the digital camera as substitution of a film camera. 3. Sony aims at the camera as entertainment tool which aimes at the synergistic effect with AV . 4. Olympus puts emphasis on the camera as optical product. From these, the aspect which a digitai product changes in the various direction has become clear.View full abstractDownload PDF (1075K) -
Tomonaga SaitoArticle type: Article
2002 Volume 49 Issue 1 Pages 55-62
Published: May 31, 2002
Released on J-STAGE: July 19, 2017
JOURNAL FREE ACCESSThis paper examines the prototyping as a method for inducing an innovative design in the design of a digital equipment which hid the large possibilities. The meaning of prototyping was summarized to following points. 1) The cultures of prototyping determines the quality of an innovation. 2) In digital value creation, the role of prototyping is large. 3) It is because digital value mainly consists of the non-physical characteristics of product. 4) The process of "Prototype-driven specifications" is required. 5) A prototype serves as a media franca in development process. In order to verify these, the actual circumstaces of prototyping in companies was investigated. Consequently, it turns out that the prototyping of drawing the way a product should be, taking change of technology and society into consideration is incorporated into a development process, organization structure, etc., and recognition that prototyping is effective as a future design process is being established.View full abstractDownload PDF (1078K) -
Hidehiko TsubogoArticle type: Article
2002 Volume 49 Issue 1 Pages 63-72
Published: May 31, 2002
Released on J-STAGE: July 19, 2017
JOURNAL FREE ACCESSWe have conducted a survey of the relation between the design of bamboo baskets, and the geographical and occupational characteristics of Chichibu (mountain), Hachiooji (hill), Tokorozawa (tableland). The results are as follows. 1. There are two fundamental technical patterns of the baskets; one is cylindrical and plaited in "zarumeami", with the bottom plaited in "nanameajiroami", and the other is cylindrical and plaited in mutsumeami". 2. In the mountains, in addition to these two patterns, there is another pattern, which is rectangular parallelepiped with the bottom plaited in "ajiroami", the body in "zarumeami", and the rim in "kumibuchi". 3. The design of the baskets for cereal farming is the fundamental design, and a variety of designs for other work are observed. 4. The difference in carrying methods between steep and flat land has to do with the shapes and sizes of baskets.View full abstractDownload PDF (1609K) -
Yoshiyuki Matsuoka, Ken Shouji, Ryo Sato, Fumiyuki MatsunoArticle type: Article
2002 Volume 49 Issue 1 Pages 73-82
Published: May 31, 2002
Released on J-STAGE: July 19, 2017
JOURNAL FREE ACCESSA vibration simulation model of a passenger-wheelchair system was constructed for comfort design of a wheelchair transporting apparatus, and the optimum characteristics of the suspension mounted on a wheelchair was simulated by the model. The objective of this paper is to make the prototype of wheelchair refliecting our past study and to examine the effectiveness of the improvement for riding comfort. Firstly, the structure of the suspension mounted on a wheelchair was designed to synchronize the vibration characteristics of the structure and the optimum characteristics simulated in our past study. Secondly, the wheelchair mounting the designed structure was produced as a trial. As effect of the designed wheelchair, the decrease of vibration and the improvement of riding comfort were verified through the experiment. In addition, it was clarified that moving hip point forward could lead discomfort was turned out.View full abstractDownload PDF (1225K) -
Yoshiyuki Matsuoka, Hiroyuki SaitoArticle type: Article
2002 Volume 49 Issue 1 Pages 83-92
Published: May 31, 2002
Released on J-STAGE: July 19, 2017
JOURNAL FREE ACCESSThe conventional engineering design methods assumed to obtain a unique optimum solution. The methods are useful for applying to the design that objective is clear. However, the conditions related to an artifacts design are diverse, so the engineering design methods for artifacts are desired to obtain globally diverse solutions from the space of solutions. This study proposes the emergent form-generation system to obtain diverse solutions. This system has both the generation process and the optimization process. The generation process was proposed in the past study. In this paper, the optimization process was proposed, and the emergent form-generation system was applied to the artifacts design. As a result, it was shown that design solutions were obtained with adequate diversity. This result indicated the system is useful for applying to the artifacts design.View full abstractDownload PDF (1307K) -
Yoshiyuki Matsuoka, Taichi Yamashita, Takeshi KitamuraArticle type: Article
2002 Volume 49 Issue 1 Pages 93-102
Published: May 31, 2002
Released on J-STAGE: July 19, 2017
JOURNAL FREE ACCESSIn the design of public artifact, such as railway vehicle seat, it is desired to concern diverse conditions. Accordingly, seat swing function was optimized from dynamic aspect in the past study. Recent study clarified that the reduction of blood flow causes physical dysfunction and it is one of the social issues. Thus, in the design of seat swing function, it is necessary to consider not only the dynamic aspect but also the physical aspect. In this study, the influence of seat swing function on blood flow was elucidated considering diverse physique and sitting postures as diverse conditions. From the analysis, it was clarified that the increase of compressive force followed by increase of cushion angle causes reduction of blood flow. Furthermore, the relationship between compressive force and blood flow was analyzed minutely by measuring body pressure distribution. As a result, it was indicated that the compressive force on great saphenous vein, popliteal vein and small saphenous vein has great influence on reduction of blood flow.View full abstractDownload PDF (1187K) -
Kenichi Kumamaru, Tateo Kumeda, Rei Takanashi, Norihiko MoriArticle type: Article
2002 Volume 49 Issue 1 Pages 103-110
Published: May 31, 2002
Released on J-STAGE: July 19, 2017
JOURNAL FREE ACCESSThe purpose of this research is to examine how a designer observes the characteristics of a product form when he designs a new product on the basis of market information, and is to construct a reasoning system whose function exeeds designer's observation ability of the form characteristics. We choose automobile cars as a case. We got a market information in which preference cars and non-preference cars were chosen from 67 sample cars by one user who represented a market. 6 subjects from students to experts designed new cars on the basis of the market information. We clarified whether the design plans filled the form charactaristics included in market information and whether the design plans were new ones by using reduct of rough set theory. The system of this research, representing all the form charactaristics with reducts, can control design concerned to users preference and non-preference.View full abstractDownload PDF (974K) -
Tooru Yoshioka, Shigeru IchiharaArticle type: Article
2002 Volume 49 Issue 1 Pages 111-116
Published: May 31, 2002
Released on J-STAGE: July 19, 2017
JOURNAL FREE ACCESSWe examined how contemporary young women interpreted the concept of "iki" which had been used since Edo- era, and examined whether or not Shuzo Kuki's theory for "iki" was fit to those young women. Kuki's theory is based on his careful observation and his original sense. Though his theory is very suggeetive, it has not been examined objectively. So, we examined his theory by the experiment using the SD method: Female university students evaluated pictures on a computer display in which a model wore a dress or a yukata (Informal summer kimono) with vertically striped patterns and posed herself variously. The result of the experiment supported his suggestion that "iki" had both meanings of "evaluation" and "coquetry". Moreover, the word "chic" considered, in general, as the closest word to "iki" among English had similar meaning to "shibumi" rather than "iki".View full abstractDownload PDF (729K) -
Mitsuaki Shiraishi, Kazuo SugiyamaArticle type: Article
2002 Volume 49 Issue 1 Pages 117-124
Published: May 31, 2002
Released on J-STAGE: July 19, 2017
JOURNAL FREE ACCESSOur work-styles have been changed slowly by information technology. So there are changes of office interia. But communication on work is one of the most important factors to complete our work. We propose the admesurement best-suited method for the number of conference room at office. We put the queue theory into this method to get the probability to be under conference on conference room. So we research a usual state of conference room (a opening time of conference, conference hours, a member of taking part in a conference). By putting the queue theory into this method, we can get the standard (the probability) to propose a number of conference room at office.View full abstractDownload PDF (905K)
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