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Article type: Cover
1993 Volume 43 Issue 6 Pages
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Published: February 15, 1993
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Article type: Cover
1993 Volume 43 Issue 6 Pages
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Article type: Index
1993 Volume 43 Issue 6 Pages
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Article type: Appendix
1993 Volume 43 Issue 6 Pages
i-v
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Aya HIROSE, Kazuho YOSHIMOTO, Tatuji ISHIDATE
Article type: Article
1993 Volume 43 Issue 6 Pages
391-399
Published: February 15, 1993
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The closeness on layout planning is an index how close a pair of activities should be placed. In contrast to abound researches for layout techniques, very limited works have been done for calculating the closeness rating. In this paper, we clarify the structure of closeness using the concept of "Flow-Stock" in space construction. The flow is the functional structure and the stock is the link structure in the system. So, if the flow and the stock are analyzed by quantity, the layout will be planned by systematic approaches. Furthermore, we propose the steps for closeness rating which is an important input data in layout planning to reflect characteristics of flow and the stock.
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Saburo TENDA, Yoshitaka NAGAI
Article type: Article
1993 Volume 43 Issue 6 Pages
400-408
Published: February 15, 1993
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A method for modeling conditional probabilities p (y|x) was suggested. The x is a number to discriminate similar types in which entities in work groups were classified by the method. If an entity belongs to a similar type x, the probability that the entity attains a goal in designing work groups is p (1|x). The models are used as design criteria. For the criteria, it is effective to describe differences among the similar types in properties. In this paper, a method to describe the differences with formulas of predicate logic is suggested from the viewpoint of the information compaction.
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Soemon TAKAKUWA
Article type: Article
1993 Volume 43 Issue 6 Pages
409-417
Published: February 15, 1993
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The picking system considered in this paper consists of operators, free-cycle (or nonsynchronous) type of conveyors, and racks containing items to be picked. This particular system is analyzed to examine its performance under various picking conditions. In addition, a multiple objective optimization problem is formulated in terms of chance-constrained goal programming by using simulation technique, A procedure for obtaining the solution for multiple objective systems is presented with a numerical example.
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Futoshi TAMAKI, Akihiro KANAGAWA, Hiroshi OHTA
Article type: Article
1993 Volume 43 Issue 6 Pages
418-424
Published: February 15, 1993
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If each sample of a process is classified into one of some categories by an inspection, for analyzing and controlling the process, p charts on pn charts are used for each category. On the other hand, Duncan proposed Chi-square chart controlling the process by using the text of goodness of fit. This control chart has many convenient characteristics, but there are some restrictions on using this chart. In this paper, we propose a more general control chart resolving these problems and a procedure on how to design it. Further, we also propose a new control chart matching with the recent development and diffusion of personal computers.
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Abdul Hakim HALIM, Hiroshi OHTA
Article type: Article
1993 Volume 43 Issue 6 Pages
425-430
Published: February 15, 1993
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In scheduling literature, the flow shop problem concerns only with finding a processing order of jobs on each machine. However, this paper addresses a flow shop datch-scheduling problem capturing the issues of the flow shop and batch-scheduling, that is, to determine batch sizes of parts with a common due date, and to schedule the resulting batches so as to satisfy the objective of minimizing actual flow times of the parts through the shop. The objective not only minimizes inventory but also provides both receiving material just in time and delivery just in time. A heuristic method solving the problem is proposed. An example is also provided to show how the proposed method works.
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De-bi TSAO, Takao ENKAWA, Kenji ITOH
Article type: Article
1993 Volume 43 Issue 6 Pages
431-438
Published: February 15, 1993
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A two-echelon inventory system with one central warehouse and m branch warehouses is considered. The system is replenished once every cycle from an outside supplier, with each cycle then divided into two different phases. In the first phase, the bulk of initial system stock is shipped to the branch warehouses, with some inventory retained at the central warehouse for balancing inventories in branch warehouses in the second phase. In this paper, we propose two methods for determination of the retaining stocks. In the first method, system safety stocks are retained at the central warehouse, and we propose an approximated calculation formula for system safety stock which ensures a predetermined system service level. The other method is to find an optimal retaining stock quantity which minimizes the expected number of system backorders under a given initial system stock, and we identify the relationship between the optimal retaining stock and system conditions.
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Hiroki YAMASHITA
Article type: Article
1993 Volume 43 Issue 6 Pages
439-445
Published: February 15, 1993
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Breakeven analysis, which provides information about cost-volume-profit relationship, is widely used as a technique of management accounting. In is useful for short-term profit planning. But traditional breakeven analysis gives management no information about corporate income taxes. In this study I derive the functions of taxes as cost based on the accrual basis, showing that the relationship between corporate income taxes and sales volume is piecewise linear, and introduce the functions to the breakeven analysis, which gives management additional information about the relationship between the taxes, profit after taxes, and sales volume, and the ratio of the taxes to profit before taxes.
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Masanobu MATSUMARU, Hiroshi YAMASITA, Mamoru OZEKI
Article type: Article
1993 Volume 43 Issue 6 Pages
446-451
Published: February 15, 1993
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In this study, we deal with an appraisal of merged companies. The evaluating ways of mergered companies consist of quantified indexes. But even if we obtain highly reliable indexes, it is an individual who rates the success of a merger, which means the rating lacks standardization. So in our study, we introduce fuzziness as a method to capture the indefinite factor of the rater. From this study we have confirmed the following items. We have (1) constructed a company rating model considering the fuzziness of the individual ; (2) obtained the criteria of the so-called "good companies" ; (3) obtained the fuzzy probability of the so-called "good companies" ; (4) quantified the information of merger effect from the fuzzy message ; and (5) estimated the appraisal of merged companies.
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[in Japanese]
Article type: Article
1993 Volume 43 Issue 6 Pages
452-
Published: February 15, 1993
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[in Japanese]
Article type: Article
1993 Volume 43 Issue 6 Pages
452-
Published: February 15, 1993
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[in Japanese]
Article type: Article
1993 Volume 43 Issue 6 Pages
452-
Published: February 15, 1993
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[in Japanese]
Article type: Article
1993 Volume 43 Issue 6 Pages
452-
Published: February 15, 1993
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[in Japanese], [in Japanese]
Article type: Article
1993 Volume 43 Issue 6 Pages
452-
Published: February 15, 1993
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[in Japanese], [in Japanese]
Article type: Article
1993 Volume 43 Issue 6 Pages
452-453
Published: February 15, 1993
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[in Japanese], [in Japanese], [in Japanese], [in Japanese]
Article type: Article
1993 Volume 43 Issue 6 Pages
453-
Published: February 15, 1993
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[in Japanese], [in Japanese]
Article type: Article
1993 Volume 43 Issue 6 Pages
453-
Published: February 15, 1993
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[in Japanese]
Article type: Article
1993 Volume 43 Issue 6 Pages
453-
Published: February 15, 1993
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[in Japanese], [in Japanese]
Article type: Article
1993 Volume 43 Issue 6 Pages
453-
Published: February 15, 1993
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[in Japanese], [in Japanese], [in Japanese]
Article type: Article
1993 Volume 43 Issue 6 Pages
453-
Published: February 15, 1993
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[in Japanese], [in Japanese], [in Japanese]
Article type: Article
1993 Volume 43 Issue 6 Pages
453-
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[in Japanese], [in Japanese]
Article type: Article
1993 Volume 43 Issue 6 Pages
454-
Published: February 15, 1993
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[in Japanese], [in Japanese], [in Japanese]
Article type: Article
1993 Volume 43 Issue 6 Pages
454-
Published: February 15, 1993
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[in Japanese], [in Japanese]
Article type: Article
1993 Volume 43 Issue 6 Pages
454-
Published: February 15, 1993
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[in Japanese], [in Japanese], [in Japanese]
Article type: Article
1993 Volume 43 Issue 6 Pages
454-
Published: February 15, 1993
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[in Japanese], [in Japanese], [in Japanese]
Article type: Article
1993 Volume 43 Issue 6 Pages
454-
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[in Japanese]
Article type: Article
1993 Volume 43 Issue 6 Pages
454-
Published: February 15, 1993
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[in Japanese]
Article type: Article
1993 Volume 43 Issue 6 Pages
454-455
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[in Japanese]
Article type: Article
1993 Volume 43 Issue 6 Pages
455-
Published: February 15, 1993
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[in Japanese], [in Japanese], [in Japanese]
Article type: Article
1993 Volume 43 Issue 6 Pages
455-
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[in Japanese], [in Japanese], [in Japanese]
Article type: Article
1993 Volume 43 Issue 6 Pages
455-
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[in Japanese], [in Japanese]
Article type: Article
1993 Volume 43 Issue 6 Pages
455-
Published: February 15, 1993
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[in Japanese], [in Japanese], [in Japanese]
Article type: Article
1993 Volume 43 Issue 6 Pages
455-
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[in Japanese], [in Japanese], [in Japanese], [in Japanese]
Article type: Article
1993 Volume 43 Issue 6 Pages
455-
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Article type: Article
1993 Volume 43 Issue 6 Pages
456-
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Article type: Article
1993 Volume 43 Issue 6 Pages
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Article type: Article
1993 Volume 43 Issue 6 Pages
456-
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Article type: Article
1993 Volume 43 Issue 6 Pages
456-
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Article type: Article
1993 Volume 43 Issue 6 Pages
456-
Published: February 15, 1993
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[in Japanese], [in Japanese]
Article type: Article
1993 Volume 43 Issue 6 Pages
456-
Published: February 15, 1993
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[in Japanese], [in Japanese], [in Japanese]
Article type: Article
1993 Volume 43 Issue 6 Pages
456-457
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[in Japanese], [in Japanese]
Article type: Article
1993 Volume 43 Issue 6 Pages
457-
Published: February 15, 1993
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[in Japanese], [in Japanese], [in Japanese]
Article type: Article
1993 Volume 43 Issue 6 Pages
457-
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Article type: Article
1993 Volume 43 Issue 6 Pages
457-
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[in Japanese], [in Japanese]
Article type: Article
1993 Volume 43 Issue 6 Pages
457-
Published: February 15, 1993
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[in Japanese], [in Japanese]
Article type: Article
1993 Volume 43 Issue 6 Pages
457-
Published: February 15, 1993
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[in Japanese]
Article type: Article
1993 Volume 43 Issue 6 Pages
457-458
Published: February 15, 1993
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