MISC - YANAGAWA Yoshinari

メイクスパン最小化を目指した混合組立ライン問題に対するメタヒューリスティック解法の適用

倉重賢治, 柳川佳也

日本経営工学会論文誌   66 ( 2 )   75 - 82   2015

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DOI： 10.11221/jima.66.75

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A Study on Mixed-Model Assembly Line in Consideration of Walking Back Time and Line Stops

20 ( 2 )   69 - 74   2014.4

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A Proposal for the Children's Group Composition by Using the Sociogram

21 ( 1 )   1 - 10   2014

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A Proposal for the Children's Group Composition by Using the Sociogram

Koudai KANEMOTO, Yoshinari YANAGAWA, Shigeji MIYAZAKI

Transactions of the Japan Society for Production Management   21 ( 1 )   1 - 10   2014

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PRODUCTION/EMPLOYMENT PLANNING WITH EMPLOYMENT ADJUSTMENT UNDER BUSINESS UNCERTAINTIES

Yutori Kei, Yanagawa Yoshinari, Okubo Hiroki, Miyazaki Shigeji

ICIM2012: PROCEEDINGS OF THE ELEVENTH INTERNATIONAL CONFERENCE ON INDUSTRIAL MANAGEMENT   154 - 158   2012

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商品情報の関連度を考慮した商品のグループ化と商品陳列の一提案

藤原裕也, 大久保寛基, 柳川佳也, 宮崎茂次

日本生産管理学会全国大会講演論文集   34th   2011

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中小企業群バーチャルエンタープライズの作業期間情報に関する影響分析

久田大良, 大久保寛基, 柳川佳也, 宮崎茂次

日本生産管理学会全国大会講演論文集   33rd   2011

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自律分散型生産制御システムにおける有効性分析の研究

加藤宏, 大久保寛基, 柳川佳也, 宮崎茂次

日本生産管理学会全国大会講演論文集   31st   2010

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需要変動による雇用調整を考慮した生産・雇用計画

柳川佳也, 大久保寛基, 宮崎茂次

日本生産管理学会全国大会講演論文集   32nd   2010

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An Improvement for a Business Efficiency Analysis Method Using DEA and Inverted DEA

UKITA Masahiro, YANAGAWA Yoshinari, MIYAZAKI Shigeji

Journal of Japan Industrial Management Association   60 ( 3 )   119 - 127   2009

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Data envelopment analysis (DEA) is a technique to measure relative effectiveness based on a ratio scale for industries. DEA is widely used everywhere and for various models. Inverted data envelopment analysis (IDEA) is an extended model of DEA. In this study, we review business analysis using DEA and IDEA. These analysis methods analyze an object based on efficiency/inefficiency. However, a new problem has arisen in business analysis methods where the domains of efficiency and inefficiency are interconnected. We propose an improvement, suggesting a better business analysis technique. We evaluated the technique by performing a numerical value experiment with real numerical values and compared the original technique with the proposed method. As a result, by solving some examples, the proposed method meets some general practical needs of business analysis. One problem is that a unitary evaluation does not exist because the proposed method evaluates the object from the aspects of both efficiency and inefficiency. The proposed method has no problem in determining the level of efficiency, and can lead a result which will be accepted by the evaluation of individual changing parameters.

DOI： 10.11221/jima.60.119

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NC工作機械における段取作業を考慮した作業計画機能の研究

大久保寛基, 柳川佳也, 宮崎茂次

日本生産管理学会全国大会講演論文集   29th   2009

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予定出庫時刻に基づく駐車場内の車の配置法

藤原祥平, 大久保寛基, 柳川佳也, 宮崎茂次

日本生産管理学会全国大会講演論文集   30th   2009

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資金繰りに着目した製品投入順序計画

柳川佳也, 大久保寛基, 宮崎茂次

日本生産管理学会全国大会講演論文集   30th   2009

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Sequencing method for products in consideration of various assembly time and different parts prices in a single workstation: mixed-model assembly scheduling problem in JIT production system

Production management   14 ( 2 )   21 - 29   2008.3

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DOI： 10.14846/seisankanri1995.14.2_21

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An optimization of operation assignment and worker's capacity

Production management   14 ( 2 )   79 - 84   2008.3

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Application of Six Sigma methodology to reduce waiting times at Okayama University Hospital

Production management   14 ( 2 )   91 - 96   2008.3

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A METHOD TO REDUCE WAITING TIME FOR OUTPATIENTS IN A HOSPITAL BY QUEUING THEORY

Yongru Ji, Yoshinari Yanagawa, Shigeji Miyazaki

ICIM 2008: PROCEEDINGS OF THE NINTH INTERNATIONAL CONFERENCE ON INDUSTRIAL MANAGEMENT   11 - 16   2008

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AN IMPROVEMENT FOR A BUSINESS EFFCIENCY ANALYASIS METHOD FOR USING DEA AND INVERTED DEA

Masahiro Ukita, Yoshinari Yanagawa, Shigeji Miyazaki

ICIM 2008: PROCEEDINGS OF THE NINTH INTERNATIONAL CONFERENCE ON INDUSTRIAL MANAGEMENT   746 - 751   2008

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THREE GENDERS GA WITH EDGE EXCHANGE CROSSOVER

Yohei Miki, Yoshinari Yanagawa, Hiroki Okubo, Shigeji Miyazaki

ICIM 2008: PROCEEDINGS OF THE NINTH INTERNATIONAL CONFERENCE ON INDUSTRIAL MANAGEMENT   763 - 768   2008

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学習塾の業務効率化への改善活動

加藤宏, 大久保寛基, 柳川佳也, 宮崎茂次

日本生産管理学会全国大会講演論文集   28th   2008

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Court Administrative Evaluation Using DEA

UKITA Masahiro, YANAGAWA Yoshinari, MIYAZAKI Shigeji

Journal of Japan Industrial Management Association   58 ( 1 )   54 - 61   2007

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A technique using DEA to evaluate the administrative business of local governments exists. This paper analyzes administrative evaluations for court systems using DEA. In addition, an attempt is made to evaluate not only administrative efficiency, but also inefficiency using inverted DEA. The court system includes the Supreme Court, High Court, and District Court, etc. First, an administrative evaluation of the High Court is performed. Additionally, the District Court, Summary Court and Family Court in each prefecture of Japan is evaluated. As a result, a significant change in evaluation was not apparent for a few years since the evaluation period was short. Moreover, we have found that efficient courts had few lawsuit cases per judge, and that the opposite was true for inefficient courts. However, when there is a large number of judges and the number of lawsuits is low, the court is not efficient. In order to improve efficiency, the number of judges needs to be increased as a whole. However, there is also a need to reduce the number of judges in a portion of the court system where the number is excessive.

DOI： 10.11221/jima.58.54

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視認率を考慮した書店におけるディスプレイ法

義若 紘史, 柳川 佳也, 宮崎 茂次

生産管理   13 ( 1 )   11 - 18   2006.8

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Language：Japanese   Publisher：日本生産管理学会  

DOI： 10.14846/seisankanri1995.13.11

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ガソリンスタンドにおける自動勤務表スケジューリング

宮崎 茂次, 柳川 佳也

生産管理   12 ( 2 )   85 - 91   2006.1

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テーマパークにおける人材教育と運営の効率

金本 孝泰, 柳川 佳也, 宮崎 茂次

生産管理   12 ( 2 )   25 - 33   2006.1

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Automatic attendance sheet scheduling in a gas station

Miyazaki Shigeji, Yanagawa Yoshinari

Proceedings of the 11th International Conference on Industrial Engineering Theory, Applications; Practice   2006

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Sequencing Method for Products of Various Assembly Time and Different Parts Prices at a Single Workstation－ Mixed-model Assembly Scheduling Problem in JIT Production System

Jianjun Zhang, Shigeji Miyazaki, Yoshinari Yanagawa

Proceeding of Seventeenth Annual POM Conference, CD-Proceeding   2006

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University education and employment in Japan. Students' perceptions on employment attributes and implications for university education

Nguyen Danh Nguyen, Yanagawa Yoshinari, Miyazaki Shigeji

Quality Assurance in Education   13 ( 3 )   202 - 218   2005

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DOI： 10.1108/09684880510607945

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Sequencing Method for Products in Consideration of Different Parts Prices in a Single Workstation

ZHANG Jiajun, YANAGAWA Yoshinari, MIYAZAKI Shigeji

Journal of Japan Industrial Management Association   55 ( 5 )   227 - 233   2004

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A just-in-time production system was founded by Toyota Motor Corporation. A broad definition of JIT is that only the right amount of necessary goods are supplied in the right place at the right time. Keeping the rate of each part used constant (parts usage leveling goal) is the most important goal in assembly scheduling of mixed-model products in JIT production system. Since the goal-chasing method was proposed, a number of papers have dealt with this problem. The purpose of the JIT production system, however, is not only to reduce inventory levels, but also to reduce inventory costs and increase profits. Until now, this subject has not been discussed in any JIT research. Therefore, in this paper, we propose a new heuristic method for different part compositions and different parts prices in mixed-model assembly scheduling at a single work-station. It is based on a price-based goal-chasing method to decrease variations in the purchasing cost of parts. The main contribution of this paper is that we do not only consider the quantity of parts, but also the purchase price of the parts. A large number of better results shows the effectiveness of the proposed heuristic method through numerical experiments.

DOI： 10.11221/jima.55.227

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Value of Higher Education Service: Different Viewpoints and Managerial Implications

Nguyen Danh Nguyen, Yoshinari Yanagawa, Shigeji Miyazaki

Proceeding of Second World Conference on POM and Fifteenth Annual POM Conference   2004

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Products sequencing method in consideration of different parts price in an assembly process price-based goal chasing method

Y Yanagawa, Z Jiajun, M Shigeji

ICIM' 2004: PROCEEDINGS OF THE SEVENTH INTERNATIONAL CONFERENCE ON INDUSTRIAL MANAGEMENT   291 - 298   2004

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Value of Higher Education : Different Viewpoints and Managerial Implications

Nguyen Danh Nguyen, Yoshinari Yanagawa, Shigeji Miyazaki

Proceeding of Eight International Conference on Manufacturing and Management   2004

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Using Lean Thinking to Identify Higher Education Improvement

Nguyen Danh Nguyen, Yanagawa Yoshinari, Miyazaki Shigeji

Proceedings of the Second International Conference on Management Education for 21st Century, Section of Management Education   2003

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Time-based goal chasing method for mixed-model assembly line problem with multiple work stations

K Kurashige, Y Yanagawa, S Miyazaki, Y Kameyama

PRODUCTION PLANNING & CONTROL   13 ( 8 )   735 - 745   2002.12

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DOI： 10.1080/0953728031000057325

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Maximize Profit in Two-Stage Flow Shop Scheduling

KAYAKI Noriya, YANAGAWA Yoshinari, MIYAZAKI Shigeji

Transactions of the Japan Society of Mechanical Engineers. Series C.   68 ( 672 )   2502 - 2509   2002.8

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This paper presents a scheduling method to maximize total profit as a performance measure in a two-stage flow shop model. The profit is defined as the difference between the revenue and the cost of production, and a scheduling method to maximize total profit is proposed using the Branch and Bound method aiming at maximizing revenue and minimizing costs. This paper compares the optimal schedule which maximize total profit with the optimal schedule which minimize total flow time searched by Johnson's theory. This paper also shows the usefulness and some characteristics of the proposed method through various numerical experiments.

DOI： 10.1299/kikaic.68.2502

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Scheduling to Maximize Profits in a Single Machine Model

KAYAKI Noriya, YANAGAWA Yoshinari, MIYAZAKI Shigeji

Transactions of the Institute of Systems, Control and Information Engineers   15 ( 4 )   203 - 212   2002.4

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Language：Japanese   Publisher：THE INSTITUTE OF SYSTEMS, CONTROL AND INFORMATION ENGINEERS (ISCIE)  

Various scheduling methods have been proposed in order to minimize total flow time or total actual flow time, and thereby promote efficient production. However, such methods are not so effective to maximize company profit, given that requests from customers and the prices of products have grown widely diversified in recent years. In such a case, it must be determined whether the profit can be maximized when both flow times are minimized. This paper proposes an optimal scheduling method which maximizes total profit as a performance measure in a single machine model. Our computational experiments show the usefulness and characteristics of the proposed method.

DOI： 10.5687/iscie.15.203

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単一工程モデルによる利益最大化スケジューリングの提案(統合オペレーション(1))

栢木 紀哉, 柳川 佳也, 宮崎 茂次

日本オペレーションズ・リサーチ学会春季研究発表会アブストラクト集   2002   68 - 69   2002.3

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Language：Japanese   Publisher：公益社団法人日本オペレーションズ・リサーチ学会  

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炭素税の導入による国内貨物輸送への影響に関するシミュレーション・モデル

若林 義啓, 柳川 佳也, 宮崎 茂次

生産管理   8 ( 2 )   9 - 17   2002.3

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A simulation model regarding influence to domestic physical distribution by carbon tax

Y Wakabayashi, Y Yanagawa, S Miyazaki

ICIM' 2002: PROCEEDINGS OF THE SIXTH CHINA-JAPAN INTERNATIONAL CONFERENCE ON INDUSTRIAL MANAGEMENT   477 - 483   2002

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Scheduling to Maximize Profit in a Single Machine Model Considering Due Date

KAYAKI N.

Proc. Pacific Conference on Manufacturing & Management   2   702/707   2002

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DOI： 10.5687/iscie.15.203

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Mixed-Model Assembly Line Scheduling in Consideration of Idle Time and Line Stops

KURASHIGE Kenji, YANAGAWA Yoshinari, MIYAZAKI Shigeji, KAMEYAMA Yoshimasa

Transactions of the Japan Society of Mechanical Engineers. Series C.   67 ( 653 )   262 - 269   2001.1

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Language：Japanese   Publisher：The Japan Society of Mechanical Engineers  

DOI： 10.1299/kikaic.67.262

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最適打順についての一考察

柳川 佳也, 宮崎 茂次

生産管理   7 ( 2 )   193 - 196   2001.1

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Optimization of physical distribution and facility location in consideration of environmental problem based on "Modal Shift" for importation

Y Wakabayashi, Y Yanagawa, S Miyazaki

ISIM'2000: PROCEEDINGS OF THE FIFTH CHINA-JAPAN INTERNATIONAL SYMPOSIUM ON INDUSTRIAL MANAGEMENT   48 - 53   2000

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Mixed-model assembly line scheduling in consideration of idle time and line stops

K Kurashige, Y Yanagawa, S Miyazaki, Y Kameyama

ISIM'2000: PROCEEDINGS OF THE FIFTH CHINA-JAPAN INTERNATIONAL SYMPOSIUM ON INDUSTRIAL MANAGEMENT   91 - 96   2000

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Sequencing method for products in consideration of assembly time

Kenji Kurashige, Yanagawa Yoshinari, Shigeji Miyazaki, Yoshimasa Kameyama

International Journal of Production Economics   60   565 - 573   1999.4

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Language：English   Publisher：Elsevier Science B.V.  

DOI： 10.1016/S0925-5273(98)00174-1

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Sequencing method for products in consideration of assembly time

Kenji Kurashige, Yanagawa Yoshinari, Shigeji Miyazaki, Yoshimasa Kameyama

International Journal of Production Economics   60   565 - 573   1999.4

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Language：English   Publisher：Elsevier Science B.V.  

DOI： 10.1016/S0925-5273(98)00174-1

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Sequencing method for products in consideration of assembly time

K Kurashige, Y Yanagawa, S Miyazaki, Y Kameyama

INTERNATIONAL JOURNAL OF PRODUCTION ECONOMICS   60-1   565 - 573   1999.4

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DOI： 10.1016/S0925-5273(98)00174-1

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新しい目的関数に基づく組立時間を考慮した製品の投入順序決定法

倉重賢治, 柳川佳也, 宮崎茂次, 亀山嘉正

日本経営工学会論文誌   1999

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DOI： 10.11221/jima.49.384

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Sequencing Method for Products in Consideration of Assembly Time Based on New Objective Function

KURASHIGE Kenji, YANAGAWA Yoshinari, MIYAZAKI Shigeji, KAMEYAMA Yoshimasa

Journal of Japan Industrial Management Association   49 ( 6 )   384 - 392   1999

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In mixed-model assembly scheduling in JIT production system, keeping the consumption rate of each part used constant (parts usage leveling goal) is important. The goal (GC) chasing method and a number of papers have been proposed to achieve this goal. In such papers, however, the difference of assembly time among each product has not been considered. It has also never been described how the influence of the difference affects the parts usage leveling goal. Recently, a time-based goal chasing (TBGC) method that considers of the different assembly times among each product has been proposed. In this paper, we propose a new objective function. Finally, we show the efficiency of our proposed method and describe the influence of many conditions by numerical experiments.

DOI： 10.11221/jima.49.384

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Multiple Objectives Scheduling with JIT Theory in a Flow Shop FMS

KAWTUMMACHAI Ruengsak, YANAGAWA Yoshinari, OHASHI Kazumasa, MIYAZAKI Shigeji

Transactions of the Japan Society of Mechanical Engineers. Series C.   64 ( 627 )   4519 - 4524   1998.11

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In an FMS, a most complicated problem to be solved may be the scheduling problem which is flexible due to the complexity of the system. FMS needs very high cost for installation, therefore in order to get high efficiency, the most appropriate schedule (in general means the schedule with the minimum cost) should be obtained in the stage of scheduling. In this article an FMS model which is a flow shop-type production system has been engaged. Scheduling method is based on the multiple objectives and the total objective function is to minimize the value of all concerned objectives. Consequently, scheduling algorithm has been composed by applying the backward scheduling with Simulated Annealing (SA) method to realize JIT theory. Finally, numerical example has been conducted to show how the scheduling algorithm works and especially to find the efficiency of the proposed algorithm. According to the numerical example, it is shown that the algorithm works well when it was applied with the concerned FMS system.

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Mixed-Model Assembly Line Scheduling in Consideration of Assembly Time

KURASHIGE Kenji, YANAGAWA Yoshinari, MIYAZAKI Shigeji, KAMEYAMA Yoshimasa

Transactions of the Japan Society of Mechanical Engineers. Series C.   64 ( 624 )   3238 - 3245   1998.8

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In a mixed-model assembly line problem, two objectives has been proposed to decide the product scheduling. One is to minimize the work congestion and the other is keeping the consumption rate of each part. In JIT production system, the latter one is more important, so the goal chasing method (GC) has been prposed to achieve this goal. The difference of assembly time among each product was not cnsidered in any solution algorithms. Recently, the time based goal chasing method (TBGC) has been proposed in which the different assembly time among each product is considered. The good point of TBGC is able to consider the idle time contained in an assembly line. However, TBGC is only applied to a single work station problem. In this paper, TBGC is applied to an assembly line and numerical experiments are presented.

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Application of Branch and Bound Method in Divided Line Balancing Problem

KURASHIGE Kenji, YANAGAWA Yoshinari, MIYAZAKI Shigeji

32 ( 2 )   137 - 143   1998.6

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Optimal Parallel Machine Scheduling in Consideration of Total Actual Flow Time and Total Processing Time

OSAKADA Takafumi, YANAGAWA Yoshinari, MIYAZAKI Shigeji

Journal of Japan Industrial Management Association   49 ( 5 )   293 - 302   1998

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Total actual flow time is known as an effective evaluation measure under Just-In-Time environments. In such case, minimization of the total actual flow time has been previously studied, but an algorithm which minimizes total processing time after minimization of total actual flow time has never proposed. This paper proposes an optimal scheduling algorithm in a parallel machine scheduling problem to minimize total processing time on the assumption that total actual flow time has been minimized beforehand under a Just-In-Time environment. The optimal algorithm is developed on the basis of an active new node search procedure utilizing the Branch and Bound method. Some computational experience shows the usefulness of the algorithm, which is coded in C-language.

DOI： 10.11221/jima.49.293

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Mixed-Model Assembly Scheduling by Considering Assembly Times and Part Consumption Ratio in Single Workstation

WANGWIWATSIN Porndech, YANAGAWA Yoshinari, MIYAZAKI Shigeji

Transactions of the Japan Society of Mechanical Engineers. Series C.   63 ( 610 )   2181 - 2188   1997.6

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Since the goal chasing method (GC) was first proposed to achieve a constant rate of parts usage goal in a mixed-model assembly scheduling problem, many studies have dealt with this problem. In these studies, however, the difference in assembly time among products which affects the scheduled result was not addressed. Consequently, we proposed a time-based goal chasing method (TBGC) in our previous work. In this paper, we present different definitions of the ideal number of parts used which lead to various evaluation measures, addressed and utilized in previous studies. We propose a new method, TBGC + ML, in which assemble time and usage quantities of parts are both considered evaluation measure. Then, through a number of numerical experiments, we show that our two proposed methods are superior to other methods, and discuss their effectiveness when used under different conditions.

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Application of Backward Scheduling Rules in JIT/FMS Environment

KAWTUMMACHAI Ruengsak, YANAGAWA Yoshinari, MIYAZAKI Shigeji

Transactions of the Japan Society of Mechanical Engineers. Series C.   62 ( 600 )   3371 - 3377   1996.8

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DOI： 10.1299/kikaic.62.3371

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Application of Branch and Bound Method Method in Divided Line Balancing Problem

KURASHIGE Kenji, YANAGAWA Yoshinari, MIYAZAKI Shigeji

Journal of the Japan Society for Precision Engineering   62 ( 5 )   691 - 695   1996.5

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In large scale problems of line balancing, a weak point is to spend very effort of calculation when branch and bound method is adopted to solve the result. Therefore, in this paper, they propose the method which can seek the satisfactory result by split the problem into partition. Firstly, problem is divided into several parts, in each part the optimal line balancing is investigated, and then, the results of all parts are jointed together to search the trial solution for the whole part. Lastly, in order to improve the trial solution, line balancing of the union of partitional result is conducted again to search for the satisfactory result. Furthermore, computer is used for the result calculation, the result is compared with the convent ioal method to find the efficiency of this proposed method.

DOI： 10.2493/jjspe.62.691

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Layout Method for Grouping Locations with Same Relation of Distances

NAGAKI Jiro, YANAGAWA Yoshinari, MIYAZAKI Shigeji

Transactions of the Japan Society of Mechanical Engineers. Series C.   62 ( 595 )   1204 - 1209   1996.3

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Many previous researches for the Quadratic Assignment Problem (QAP) have been proposed and applied to several layout problems. Tabu Search setting up "tabu list" is one of the effective approaches in these researches. This paper proposes a heuristic method making use of the main features of Tabu Search for QAP. A suboptimal solution should be efficiently obtained by the proposed method which sets up some restricted and forbidden conditions under various situations. The algorithm in this method is coded in C language. Through a numerical example, steps of the algorithm are shown. The effectiveness of obtained solutions is investigated by the computational experiences.

DOI： 10.1299/kikaic.62.1204

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Scheduling for Parallel Machines with Different Efficiencies

YANAGAWA Yoshinari, MIYAZAKI Shigeji, HIRAKATA Satoshi, TERADO Nobuyuki

Transactions of the Japan Society of Mechanical Engineers. Series C.   62 ( 595 )   1156 - 1162   1996.3

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This paper concerns a sheduling problem for parallel machines with different machining efficiencies. Each job has a common due date. Neither tardiness nor early shipping are allowed. Therefore, Jobs completed early must be stored in the shop until the due date. Under these conditions the actual flow time of each job is measured from the starting time until the due date. The performance measure of schedules is the total actual flow time. An analytical procedure leads to some theorems to determine the assignment of jobs to each machine. An optimal algorithm based on these theorems is presented. A numerical example illustrates the procedure of the algorithm.

DOI： 10.1299/kikaic.62.1156

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Sequencing Method for Various-assembly-timed Products in a Single Work Station : Mixed-model Assembly Scheduling Problem in JIT Production System : Part I

WANGWIWATSIN Porndech, YANAGAWA Yoshinari, MIYAZAKI Shigeji

Journal of Japan Industrial Management Association   47 ( 2 )   84 - 90   1996

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This paper, taking the difference of assembly time of each product into account, proposes a new heuristic method based on the goal chasing method for sequencing various-assembly-time products in a single work station. In addition, the effect of neglecting the difference of assembly time of each product is discussed through comparing a number of results obtained by the goal chasing method and our proposed method. A large number of better results show the effectiveness of our proposed method.

DOI： 10.11221/jimapre.47.2_84

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比較かんばん方式における定期・定量引き取り方式の優位性に関する研究

中島 丈温, 柳川 佳也, 宮崎 茂次

日本経営工学会誌   45 ( 6 )   604 - 604   1995

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DOI： 10.11221/jimapre.45.6_604_3

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Operation Planning of MRP/JIT Method for Rarely Withdrawal Parts

NAKAJIMA Takeharu, YANAGAWA Yoshinari, MIYAZAKI Shigeji

Journal of Japan Industrial Management Association   46 ( 4 )   284 - 290   1995

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Recently, many companies have accomplished high efficiency "stockless" manufacturing as a result of adopting "JIT" production system. Moreover, as the individual preference has become strong, the variation of products should be developed rapidly. Therefore, in manufacturing is often processed only 1 unit per 1 month. Suppose that KANBAN is applied to such rarely withdrawal parts, the quantities of WIP become larger in the factory. MRP/JIT method, an integrated concept of MRP and KANBAN, is proposed to solve problems caused by rarely withdrawal parts in KANBAN production system. The proposed MRP/JIT system, the improved fixed interval withdrawal KANBAN system are compared mutually under variety conditions like processed rate of parts and analyzed total operation cost. Furthermore, the efficiency of the above-mentioned methods is investigated.

DOI： 10.11221/jimapre.46.4_284

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積載量を考慮したかんばん方式最適運用法(特別セッション(2)ジャスト・イン・タイム生産システム)

柳川 佳也, 宮崎 茂次

日本オペレーションズ・リサーチ学会春季研究発表会アブストラクト集   1994   165 - 166   1994.5

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Language：Japanese   Publisher：公益社団法人日本オペレーションズ・リサーチ学会  

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An optimal operation planning for the fixed quantity withdrawal Kanban system with variable leadtimes

Yoshinari Yanagawa, Shigeji Miyazaki, Hiroshi Ohta

International Journal of Production Economics   33 ( 1-3 )   163 - 168   1994

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DOI： 10.1016/0925-5273(94)90129-5

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多段階生産システムにおける分割MRP/JIT方式運用法

多田 典玄, 柳川 佳也, 宮崎 茂次

日本経営工学会誌   45 ( 3 )   281 - 281   1994

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DOI： 10.11221/jimapre.45.3_281_3

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微少引き取り部品におけるハイブリッドかんばん方式に関する研究

中島 丈温, 柳川 佳也, 宮崎 茂次

日本経営工学会誌   44 ( 6 )   543 - 544   1994

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DOI： 10.11221/jimapre.44.6_543_7

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微少引き取り部品へのMRP/JIT方式の適用法

中島 丈温, 柳川 佳也, 宮崎 茂次

日本経営工学会誌   44 ( 3 )   254 - 254   1993

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DOI： 10.11221/jimapre.44.3_254_6

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The Effect of Defective Parts under the Fixed Order Interval Kanban System

YANAGAWA Yoshinari, MIYAZAKI Shigeji

Journal of Japan Industrial Management Association   42 ( 6 )   440 - 444   1992

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Conventional Kanban system requires an assumption that no defect exists in a container delivered to the succeeding station. In this paper, the effect of the defective parts in a container on the optimal operation planning is analyzed. The analysis leads to the optimal order interval (R^*) and the optimal container capacity (u^*) which minimize the total operating costs including the shortage inventory cost per hour due to the defective parts in the fixed order interval Kanban system. The result shows that u^* must always be smaller than the optimal container capacity under the conditions of no defective part.

DOI： 10.11221/jimapre.42.6_440

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The Optimal Operation Planning of Kanban under the Adaptable Capacity of Container

KANADA Yasuhisa, YANAGAWA Yoshinari, MIYAZAKI Shigeji

Journal of Japan Industrial Management Association   43 ( 3 )   179 - 185   1992

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This paper deals with the fixed order interval withdrawal Kanban system under the variable demand rates. Firstly, two methods, the adaptable capacity of containers and the adaptable number of Kanbans, are introduced. Secondly, the algorithm to determine the optimal operation planning for the two methods is presented. Thirdly, the solutions by the two methods for various numerical examples are compared. The results indicate that the total operation cost under the adaptable capacity containers is lower than the total operation cost under the adaptable number of Kanbans for the small variation of hourly demand.

DOI： 10.11221/jimapre.43.3_179

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An Optimal Operation Planning for the Fixed Quantity Withdrawal Kanban System with Variable Leadtime

YANAGAWA Yoshinari, MIYAZAKI Shigeji, OHTA Hiroshi

Journal of Japan Industrial Management Association   43 ( 1 )   1 - 5   1992

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This paper deals with an optimal operation planning for the fixed quantity withdrawal Kanban system with variable leadtime and different consumption rate of parts for each period. The behaviour of the optimal planning (the optimal container capacity) which minimizes average total operation cost is shown by means of simulations under various values of parameters : the order cost factor, the range of consumption rate of parts and the range of leadtime for delivery.

DOI： 10.11221/jimapre.43.1_1

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コンテナの部品収納数を可変としたかんばん方式の最適運用法

金田 康寿, 柳川 佳也, 宮崎 茂次

日本経営工学会誌   42 ( 3 )   206 - 206   1991

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DOI： 10.11221/jimapre.42.3_206_6

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不良品による定期引取りかんばん方式運用法への影響

柳川 佳也, 宮崎 茂次

日本経営工学会誌   41 ( 6 )   431 - 431   1991

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DOI： 10.11221/jimapre.41.6_431_4

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An Optimal Operation Planning of Kanban with Variable Leadtime

YANAGAWA Yoshinari, MIYAZAKI Shigeji, OHTA Hiroshi

Journal of Japan Industrial Management Association   40 ( 6 )   399 - 406   1990

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In the majority of previous researches on Kanban system, the leadtime for delivery is treated as a fixed value.In many practical situations, however, the leadtime is likely variable. In this paper, an optimal operation planning of the fixed-interval withdrawal Kanban with variable leadtime is proposed. A cost is incurred for the inventory level less than the safety inventory level, since the risk of shortage of inventory should be considered.Behaviors of the optimal number of Kanbans and withdrawal interval of Kanban are investigated in terms of various parameters such as standard deviation and the mean of leadtime.

DOI： 10.11221/jimapre.40.6_399

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リードタイムの変動を考慮した定量引取りかんばん方式の最適運用法(研究発表)

柳川 佳也, 宮崎 茂次, 太田 宏

日本経営工学会誌   41 ( 3 )   217 - 217   1990

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DOI： 10.11221/jimapre.41.3_217_5

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The Optimal Operation Planning for the Fixed Quantity Withdrawal Kanban System

YANAGAWA Yoshinari, MIYAZAKI Shigeji, OHTA Hiroshi

Journal of Japan Industrial Management Association   41 ( 1 )   37 - 42   1990

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This paper deals with the optimal operation planning for the fixed quantity withdrawal kanban system. First, the formulas are given for obtaining the average inventory level and the minimum number of Kanbans to be required for fixed quantity withdrawal Kanban system. Secondly, the algorithm is proposed to determine the optimal container capacity so as to minimize the total operation cost composed of inventory cost and withdrawal cost. Thirdly, the behaviour of the optimal plannings is analysed under various values of parameters ; the order cost factor, the average consumption of parts per hour, and the duration of period in which the consumption rate of parts is constant.

DOI： 10.11221/jimapre.41.1_37

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Optimal Transportation Strategies for the Mixed Parts Delivery under Kanban System

YANAGAWA Yoshinari, MIYAZAKI Shigeji, OHTA Hiroshi

Journal of Japan Industrial Management Association   40 ( 6 )   407 - 413   1990

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A procedure for minimizing the total operating costs in the fixed interval withdrawal Kanban system has been proposed in terms of two decision variables (order interval and container capacity). In the practical situation, however, the transportation strategy between the preceeding stations and the succeeding stations is critical for minimizing the withdrawal cost under the mixed parts delivery. In this paper an algorithm is proposed to determine the suitable transportation strategy among two major categories, depot system and picking up system, as well as the optimal order interval, container capacity and necessary number of Kanbans in the supplier Kanben.

DOI： 10.11221/jimapre.40.6_407

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定量引取りかんばん方式の最適運用法

柳川 佳也, 宮崎 茂次, 太田 宏

日本経営工学会誌   40 ( 5 )   363 - 363   1989

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DOI： 10.11221/jimapre.40.5_363_4

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An Analysis of Cost Factors for the Optimal Operation Planning in Kanban System : The Optimal Operation Planning of Kanban in Toyota Production System (Part II)

YANAGAWA Yoshinari, MIYAZAKI Shigeji, OHTA Hiroshi

Journal of Japan Industrial Management Association   40 ( 3 )   141 - 148   1989

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In Part I the optimal order interval of the fixed interval withdrawal Kanban system has been given to minimize the total operating cost. In this paper the cost function compoesed of inventory cost, order cost, and container soct for the supplier Kanban system including the inventory at the preceding station is analyzed. The optimal operation planning of the supplier Kanban is given in terms of two decision variables-the order interval and the container capacity-on the basis of field data in a factory ; the behaviours of optimal order interval and container capacity are investigated under various values of parameters.

DOI： 10.11221/jimapre.40.3_141

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かんばん方式における混載部分の最適輸送計画

柳川 佳也, 宮崎 茂次, 太田 宏

日本経営工学会誌   40 ( 3 )   197 - 197   1989

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DOI： 10.11221/jimapre.40.3_197_4

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かんばん方式の費用構造分析と最適運用法 : トヨタ生産システムにおけるかんばん方式の最適運用法(第2報)

柳川 佳也, 宮崎 茂次, 太田 宏

日本経営工学会誌   39 ( 3 )   194 - 194   1988

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DOI： 10.11221/jimapre.39.3_194_4

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