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Article type: Cover
1975 Volume 26 Issue 2 Pages
Cover1-
Published: September 30, 1975
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Article type: Cover
1975 Volume 26 Issue 2 Pages
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Article type: Appendix
1975 Volume 26 Issue 2 Pages
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Article type: Index
1975 Volume 26 Issue 2 Pages
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Article type: Appendix
1975 Volume 26 Issue 2 Pages
116-
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Ryukichi OHKUMA, Chiharu YAMAMURA, Masahiko URABE
Article type: Article
1975 Volume 26 Issue 2 Pages
117-122
Published: September 30, 1975
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Kuninori KIMOTSUKI
Article type: Article
1975 Volume 26 Issue 2 Pages
123-128
Published: September 30, 1975
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The influences of environmental conditions of the working place must be considered not only from the productivety but also from theeffects on the physiological and psychological elements of workers. The investigation on the actual condition of environment is the first step of search for many kinds of problems with the measurement by the physical and chemical methods. The most important task in the second step is to find the ways how to esimate and improve the results of the investigation. Therefore, philosophical criteria of hygienists and other staffs must be brought to bear thoroughly on the administration of occupational environments.
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Kiyoshige SHIOZAWA, Atsushi OOTAKI, Shin'ichi OKAMOTO
Article type: Article
1975 Volume 26 Issue 2 Pages
129-136
Published: September 30, 1975
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This paper gives the information of the method of predicting air pollution as a means of environmental assessment. The outlines are given on dispersion model and statistical model. The information may be useful for industrial engineers to design the production process and the plant in their factories.
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Ken'ichi MORI, Tshiro KUROZAWA
Article type: Article
1975 Volume 26 Issue 2 Pages
137-140
Published: September 30, 1975
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The model identification is very important in the demand forecasting by time series analysis. Variances of time series data and auto-covariances of forecasting errors in 1)additive, 2)multiplicative, and 3)modified multiplicative models are investigated in this paper. Concerning the models 2), 3), it is clarified that the random components are unseparable from the data. For the additive model identification is studied by the modified variate difference method as follows : the seasonal and trend componets are separated by two-way analysis of variance method and the orders of their polynomials are estimated.
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Shigeji MIYAZAKI, Fumio HASHIMOTO, Yoshisuke UMEKI, Masanobu TAMURA
Article type: Article
1975 Volume 26 Issue 2 Pages
141-146
Published: September 30, 1975
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In this paper, a new technique of probabilistic dispatching method is suggested, in which a parameter is given in the range of 0 to 1,in order to control the randmness of dispatching rules. Inmany cases, the schedule made by this technique is better than that by the daterministic or random dispatching method. It is described that MWKR dispatching rule is proper for maximum flow time evaluation, and LWRK dispatiching rule is proper for average flow time evaluation, when the new technique is applied to the static job-shop scheduling problem.
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Masatoshi KITAOKA
Article type: Article
1975 Volume 26 Issue 2 Pages
147-153
Published: September 30, 1975
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This paper deals whis the problem of a mathematical figure model that could be used by any analysis of body movements in materials handling. In this approach is used a geometric method to the human body. A front figure model is a transformed human body. In the previous report, a mathematical analysis for materials handling was made by means of a side figure model A side figure model is connected with a front figure model. The application of this model in materials handling is made with geometric calclation and harmonic analysis. Discussed and suggested here are the development of a model and its computer graphic representation.
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Akiyuki SAKUMA
Article type: Article
1975 Volume 26 Issue 2 Pages
154-159
Published: September 30, 1975
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Rating using VTR has many advantages such as group rating. However, the validity of using television monitor through which the actual work pace is shown to the rater must be ascertained before it is put into practical use. The comparison between direct rating and VTR rating was made by the use of paired data taken from the specially designed work for experiment which was considered to have typical work pattern. It was concluded that VTR rating has no significasnt difference from direct rating. It was also found that human judgement against speed was linearly spaced within the practical range.
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Yoshiaki TOYODA
Article type: Article
1975 Volume 26 Issue 2 Pages
160-163
Published: September 30, 1975
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When solving large scale zero-one programming problems with computers, computation is usually stopped in a given computation time, even if the final solution has not been reached. Therefore, it will be very convenient if computation time can be estimated. However, as the number of solutions explicitly examined is not certain in generally known methods for zero-one programming, the estimation of computation time is difficult, while the Primal Effective Gradient Method makes it possible, because the number of the repitition of the procedure is roughly known. This paper is intended to present an estimatin method of computation time for solving zero-one programming problems with the primal Effective Gradient Method, and the comparison of estimated and actual computation times.
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Eiichi KOYANO
Article type: Article
1975 Volume 26 Issue 2 Pages
164-168
Published: September 30, 1975
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This article describes the characteristics of the mean of, and the variance of, the "service interval" of the clerical unit of the parallel-compound-type office, which consists of a number of office personnel, using I/O Methods for the determinatin of the number of clerical personnel needen. Each member of the clerical personnel in the parallel-compound-type office is capable of doing all kinds of the "clerical variety", which includes the processing of different kinds of forms and records, classified by the differences in the processing methods. work time, and preparing time. This mean of, and varianve of, the service interval are the mean of, and variance of, the output interval of the clericl unit when the input interval is zero. From the results of this study, the mean of the service interval is a fixed calue even though the input clerical unit volume is increased, also, it decreases proportionally as the number of personnel in the office is increased, when the input-clerical-variety ratio is fixed. Moreover, the coefficient of the deviation of the service interval is a fixed value even though the input clerical volume are increased, and the coefficient increases slightly as the number of personnel in the office is increased, where the input-clerical-variety ratio is fixed.
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Yoshitaka NAGAI, Koji TANAKA, Shoji UNE, Masayuki MATSUI, Saburo TENDA
Article type: Article
1975 Volume 26 Issue 2 Pages
169-174
Published: September 30, 1975
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In this paper, we prescribed that the manufacturing work group consists of workers, supervisor, and task. and we tried to know the effects of these elements (workers, supervisor and task) on the group effectivencess using quantification analysis. Then we recognized that worker's group atmosphere, worker's educational background, worker's age, job attribute score and LPC score of the supervisor were important factors in group effectivencess.
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Takehiko MATSUDA, Tetsuo UI
Article type: Article
1975 Volume 26 Issue 2 Pages
175-179
Published: September 30, 1975
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Manpower planning in an organization essintially consists of three-level planning problems. i.e., job family subsystem level, primary subsystem level (level of subsystem by job family and job class), and secondary subsystem level (level of subsystem by job family, job class, and length of service). Theis paper presents three-level planning models which form an integrated model as a whole. The planning model of each level is developed as a goal programming modl. By using the present models, manpower planning problems can be solved systematically, including long-term and macroview planning problems and short-term and microview planning problems.
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Fumio SHIRATO, Makoto NAKAMURA
Article type: Article
1975 Volume 26 Issue 2 Pages
180-183
Published: September 30, 1975
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To succeed in taking order for products, it is important to offer low price and short manufacturing period. It is also necessary to anticipate load hours and make manufacturing plan in order to finish with in required period of time. But manufacturer has a time limit for planning. This system object to develop the type, quantity and assemblies of products temporary selecting from standard bill of materials on the step of inquiry. According to the settlement of the specification, it is possible to make detailed plan and shift them to the temporary ones.
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[in Japanese]
Article type: Article
1975 Volume 26 Issue 2 Pages
184-185
Published: September 30, 1975
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[in Japanese], [in Japanese], [in Japanese]
Article type: Article
1975 Volume 26 Issue 2 Pages
186-
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[in Japanese]
Article type: Article
1975 Volume 26 Issue 2 Pages
186-
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[in Japanese], [in Japanese]
Article type: Article
1975 Volume 26 Issue 2 Pages
186-
Published: September 30, 1975
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[in Japanese], [in Japanese], [in Japanese]
Article type: Article
1975 Volume 26 Issue 2 Pages
186-
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Article type: Article
1975 Volume 26 Issue 2 Pages
186-
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[in Japanese], [in Japanese], [in Japanese]
Article type: Article
1975 Volume 26 Issue 2 Pages
186-187
Published: September 30, 1975
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[in Japanese], [in Japanese], [in Japanese]
Article type: Article
1975 Volume 26 Issue 2 Pages
187-
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Article type: Article
1975 Volume 26 Issue 2 Pages
187-
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Article type: Article
1975 Volume 26 Issue 2 Pages
187-
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Article type: Article
1975 Volume 26 Issue 2 Pages
187-
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[in Japanese], [in Japanese], [in Japanese], [in Japanese], [in Japane ...
Article type: Article
1975 Volume 26 Issue 2 Pages
187-188
Published: September 30, 1975
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[in Japanese], [in Japanese]
Article type: Article
1975 Volume 26 Issue 2 Pages
188-
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Article type: Article
1975 Volume 26 Issue 2 Pages
188-
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[in Japanese], [in Japanese]
Article type: Article
1975 Volume 26 Issue 2 Pages
188-
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[in Japanese]
Article type: Article
1975 Volume 26 Issue 2 Pages
188-
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Article type: Article
1975 Volume 26 Issue 2 Pages
188-
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Article type: Article
1975 Volume 26 Issue 2 Pages
188-189
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[in Japanese]
Article type: Article
1975 Volume 26 Issue 2 Pages
189-
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Article type: Article
1975 Volume 26 Issue 2 Pages
189-
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Article type: Article
1975 Volume 26 Issue 2 Pages
189-
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Article type: Article
1975 Volume 26 Issue 2 Pages
189-
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Article type: Article
1975 Volume 26 Issue 2 Pages
189-190
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Article type: Article
1975 Volume 26 Issue 2 Pages
190-
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Article type: Article
1975 Volume 26 Issue 2 Pages
190-
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Article type: Article
1975 Volume 26 Issue 2 Pages
190-
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Article type: Article
1975 Volume 26 Issue 2 Pages
190-
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[in Japanese]
Article type: Article
1975 Volume 26 Issue 2 Pages
190-
Published: September 30, 1975
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[in Japanese]
Article type: Article
1975 Volume 26 Issue 2 Pages
190-191
Published: September 30, 1975
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[in Japanese]
Article type: Article
1975 Volume 26 Issue 2 Pages
191-
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Article type: Article
1975 Volume 26 Issue 2 Pages
191-
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[in Japanese], [in Japanese]
Article type: Article
1975 Volume 26 Issue 2 Pages
191-
Published: September 30, 1975
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[in Japanese], [in Japanese], [in Japanese]
Article type: Article
1975 Volume 26 Issue 2 Pages
191-
Published: September 30, 1975
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