Bulletin of Japanese Society for the Science of Design

There are three points (visual sense, ergonomics, environment engineering) on the evaluation of office interia space. It is important that visual sense that make our first impressions on office interia space. Office interia designers have knowledge for evaluating office interia. Bat their knowledge isn't clear. So, we try to arrange their knowledge by Fuzzy Fault Tree Analysis as the evaluation by visual sense become subjective. We suggest factors that office interia become worse and compose tree-like-structure. We could the strucure and could express the subjective evaluation office interia by desaigners by quantitative method.

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The importance of satisfying diversified consumers' needs has been frequently discussed in the field of design. However, the information on consumer is normally generated by market reseacher, which results often too abstract and verbal for designer to use for designing product. Designer needs more concrete and visual information which can be directly applied to design. This exploratory study proposes a method for measuring consumers' design style which means personal value system on various design elements. An illustrative problem is exemplified for measuring Korean young people's design style on personal wrist watch.

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There are a lot of open offices using island type without barrier (ex. low partition) in Japan. Recently many office workers desire their personal space in office. So, office planners use low partition for those desire. But we know the effect of low partition by experience only. This paper will clear two points by investigation and experiment ; 1)the effect of low partition by quantitative method, 2)the proper relation between the width and depth of the desk and the height of partition for our workstation. The result for these two points are as follows ; 1)low partition have the effect for keeping the personal space of many office workers. (The sense of students is as near as the sense of office workers.) 2) If we use low partition, we need to set the width of desk more than 110 cm and the depth of desk more than 70 cm and the height of low partition from 20 cm to 30 cm above the desk top.

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Ths paper analizes the structure of shape recognition by finding which elements pepole give priority when evaluating similarity of Passenger Car Styling. Difference of judgement between "Designers" and "Users" was also analyzed. To ensure accuracy, a sample was made based on an orthogonal array, and effective values of changes to elements were taken from the array. As a result, it was found that distinguishable elements were concentrated around car fronts, and moreover that elements involving the existence/nonexistence of optional design elments were very effective for recognition among some types of cars. A comparison of these effective values during a long period observation showed that developers judged that elements, which users had judged to be different, were similar and originated from a common source, through finding the cause of the transformation of the element and thus the origin of the object, as a result of their professional knowledge. Lastly, a method of supplying a quantitative index with effective values for distinguishing elements was suggested.

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