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Article type: Cover
1988 Volume 39 Issue 3 Pages
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Published: August 15, 1988
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Article type: Cover
1988 Volume 39 Issue 3 Pages
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Article type: Index
1988 Volume 39 Issue 3 Pages
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Article type: Appendix
1988 Volume 39 Issue 3 Pages
i-iii
Published: August 15, 1988
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Heihachiro FUKUDA
Article type: Article
1988 Volume 39 Issue 3 Pages
139-145
Published: August 15, 1988
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Return on investment has conventionally been one of the most common economic indicators used in process capability and capacity planning. Although this indicator is used in the evaluation of completed plans, it is of no value in revising plans, and is also difficult to apply to the optimization of plans that include capabilities. This paper proposes what could be termed a "relative annual profit", at the level at which production ratio exceeds the minimal production ratio required for recovery of fixed costs as deduced by production process capability. At this point, the indicator will provide information needed for process capability and capacity planning. Further, the following becomes apparent through a comparison of the directions being taken by the relative annual profit and return on investment (discounted method). The former is applied if the situation is such that hte (depreciation rate in fixed costs) × (number of years in the plan) are growing ; the latter if the trend is in the opposite direction.
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Masahiro INUIGUCHI, Yasufumi KUME
Article type: Article
1988 Volume 39 Issue 3 Pages
146-152
Published: August 15, 1988
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In this paper, the goal program with interval coefficients and interval goals is formulated. Since the program is formalized based on the interval concept, two kinds of deviation form the interval of the goal can be considered. On each deviation, the program is formulated based on two kinds of decision procedure, i. e. minimizing the infimum and the supremum of the interval. The properties of these four formulated programs are investigated. As a program can be selected among four formulated programs by decision maker, the subject of decision maker can be reflected in the solution.
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Zentaro NAKAMURA, Hirokazu KONO
Article type: Article
1988 Volume 39 Issue 3 Pages
153-160
Published: August 15, 1988
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Transportation lot sizing problem for a single item of product between two distant production stages is considered. The problem is to obtain minimum number of transportation lots and lot sizes which give balanced earliness (time interval between earliest transportation starting time and latest delivery time) for each lot. A product is produced at the upstream stage at a constant rate according to a given schedule, and then transported by the lot to the downstream stage without causing any shortage, where demand rate varies finite number of times in a given period of time. The problem is formulated on a cumulative domain whose horizontal axis represents time and vertical axis refers to the cumulative amount of production and transportation. Through geometric analysis on that domain, a fundamental theorem concerning the relationship between the changes of the stepped transportation line and the value of start-lag is obtained and the optimal solution procedure is presented.
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Kinya TAMAKI, Yukio HASEGAWA, Tatsuji ISHIDATE
Article type: Article
1988 Volume 39 Issue 3 Pages
161-168
Published: August 15, 1988
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This paper introduces a developed task description method which specifies the design process for robotizing assembly systems in a construction building. The task description deals with three types of information on operational objects, operational environments and operational means for the robotized operation systems. Applyin this method, basic data are available for setting robot specifications (such as robot joint configurations, length of link, and joint movement range). This paper discusses a robotization case study of temporary assembling operations for structural steel in erection work.
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Shusaku HIRAKI, Rintaro MURAMATSU
Article type: Article
1988 Volume 39 Issue 3 Pages
169-175
Published: August 15, 1988
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In recent years, knockdown production systems (KDPS) have been or are being widely developed in order to avoid trade frictions and improve the international harmony. In this paper, considering the KDPS as three stage production-inventory-transportation system, we formulate the pull type ordering model and analyze the influences of the transportation lead time. Two kinds of buffer capacities, that is, the safety stock of transported component parts and the emergency procurement by the air cargo are introduced and relations between these buffer capacities and the transportation lead time are clarified.
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Kiyoshi HORIE
Article type: Article
1988 Volume 39 Issue 3 Pages
176-182
Published: August 15, 1988
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The purpose of this study is to detect the condition of Japanese leadership. The principle of "Acceptance" as the condition of Japanese leadership is extracted on the basis of examining Nakane's theory of Japanese human relations and Okonogi's theory of "Ajase complex." The relationship of the principle of "Acceptance" and the "feelings as one body" as Japanese basic personality trait and the feelings of "Amae" which are induced by the "feelings as one body" is discussed.
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[in Japanese]
Article type: Article
1988 Volume 39 Issue 3 Pages
183-
Published: August 15, 1988
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[in Japanese], [in Japanese]
Article type: Article
1988 Volume 39 Issue 3 Pages
183-
Published: August 15, 1988
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[in Japanese], [in Japanese]
Article type: Article
1988 Volume 39 Issue 3 Pages
183-
Published: August 15, 1988
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[in Japanese], [in Japanese], [in Japanese]
Article type: Article
1988 Volume 39 Issue 3 Pages
183-
Published: August 15, 1988
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[in Japanese]
Article type: Article
1988 Volume 39 Issue 3 Pages
183-
Published: August 15, 1988
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[in Japanese]
Article type: Article
1988 Volume 39 Issue 3 Pages
183-
Published: August 15, 1988
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[in Japanese], [in Japanese], [in Japanese]
Article type: Article
1988 Volume 39 Issue 3 Pages
184-
Published: August 15, 1988
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[in Japanese], [in Japanese], [in Japanese]
Article type: Article
1988 Volume 39 Issue 3 Pages
184-
Published: August 15, 1988
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[in Japanese], [in Japanese], [in Japanese]
Article type: Article
1988 Volume 39 Issue 3 Pages
184-
Published: August 15, 1988
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[in Japanese], [in Japanese], [in Japanese]
Article type: Article
1988 Volume 39 Issue 3 Pages
184-
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[in Japanese], [in Japanese], [in Japanese]
Article type: Article
1988 Volume 39 Issue 3 Pages
184-
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[in Japanese], [in Japanese], [in Japanese]
Article type: Article
1988 Volume 39 Issue 3 Pages
184-
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[in Japanese], [in Japanese], [in Japanese]
Article type: Article
1988 Volume 39 Issue 3 Pages
184-185
Published: August 15, 1988
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[in Japanese]
Article type: Article
1988 Volume 39 Issue 3 Pages
185-
Published: August 15, 1988
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[in Japanese], [in Japanese], [in Japanese]
Article type: Article
1988 Volume 39 Issue 3 Pages
185-
Published: August 15, 1988
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[in Japanese]
Article type: Article
1988 Volume 39 Issue 3 Pages
185-
Published: August 15, 1988
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[in Japanese]
Article type: Article
1988 Volume 39 Issue 3 Pages
185-
Published: August 15, 1988
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[in Japanese], [in Japanese], [in Japanese]
Article type: Article
1988 Volume 39 Issue 3 Pages
185-
Published: August 15, 1988
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Article type: Article
1988 Volume 39 Issue 3 Pages
185-
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Article type: Article
1988 Volume 39 Issue 3 Pages
185-186
Published: August 15, 1988
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[in Japanese]
Article type: Article
1988 Volume 39 Issue 3 Pages
186-
Published: August 15, 1988
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[in Japanese]
Article type: Article
1988 Volume 39 Issue 3 Pages
186-
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Article type: Article
1988 Volume 39 Issue 3 Pages
186-
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Article type: Article
1988 Volume 39 Issue 3 Pages
186-
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Article type: Article
1988 Volume 39 Issue 3 Pages
186-
Published: August 15, 1988
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Article type: Article
1988 Volume 39 Issue 3 Pages
186-
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[in Japanese], [in Japanese], [in Japanese]
Article type: Article
1988 Volume 39 Issue 3 Pages
186-187
Published: August 15, 1988
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Article type: Article
1988 Volume 39 Issue 3 Pages
187-
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Article type: Article
1988 Volume 39 Issue 3 Pages
187-
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Article type: Article
1988 Volume 39 Issue 3 Pages
187-
Published: August 15, 1988
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[in Japanese], [in Japanese], [in Japanese]
Article type: Article
1988 Volume 39 Issue 3 Pages
187-
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Article type: Article
1988 Volume 39 Issue 3 Pages
187-
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Article type: Article
1988 Volume 39 Issue 3 Pages
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Article type: Article
1988 Volume 39 Issue 3 Pages
187-188
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Article type: Article
1988 Volume 39 Issue 3 Pages
188-
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Article type: Article
1988 Volume 39 Issue 3 Pages
188-
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Article type: Article
1988 Volume 39 Issue 3 Pages
188-
Published: August 15, 1988
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[in Japanese], [in Japanese], [in Japanese], [in Japanese]
Article type: Article
1988 Volume 39 Issue 3 Pages
188-
Published: August 15, 1988
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[in Japanese], [in Japanese], [in Japanese]
Article type: Article
1988 Volume 39 Issue 3 Pages
188-
Published: August 15, 1988
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[in Japanese], [in Japanese], [in Japanese]
Article type: Article
1988 Volume 39 Issue 3 Pages
188-
Published: August 15, 1988
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