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Dissertations / Theses on the topic 'Optimization of production quantity'

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Published: 5 June 2025

Last updated: 2 August 2025

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1

FIGUEIRA, ALEXANDRE FRANKENTHAL. "SIMULTANEOUS OPTIMIZATION OF THE QUANTITY, LOCATION AND SIZING OF PRODUCTION UNITS BY GENETIC ALGORITHMS." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2014. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=35688@1.

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PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO<br>CONSELHO NACIONAL DE DESENVOLVIMENTO CIENTÍFICO E TECNOLÓGICO<br>Os custos de instalação e as taxas de produção ao longo da vida de um reservatório de óleo e gás são influenciados diretamente pela localização, quantidade e capacidade das Unidades Estacionárias de Produção (UEPs). A distância entre um poço e a UEP a qual foi alocado é um fator impactante na perda de carga a que os fluídos são submetidos. A dissipação de energia aumenta quando essa distância é maior e todo o sistema de produção recebe a interferência negativa desta perda, o q

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Kim, Jongyoon 1974. "Integrated quality and quantity modeling of a production line." Thesis, Massachusetts Institute of Technology, 2005. http://hdl.handle.net/1721.1/30338.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2005.<br>Includes bibliographical references (p. 141-149).<br>The interaction of quantity and quality performance in a factory is clearly of great economic importance. However, there is very little quantitative analytical literature in this area. This thesis is an essential early research step in analyzing how production system design, quality, and productivity are inter-related in transfer lines. We develop a new Markov process model for machines with both quality and operational failures, and we identify

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3

Autret, Ronan. "Hard turning process optimization in dry cutting and minimum quantity lubrication." Thesis, Georgia Institute of Technology, 2002. http://hdl.handle.net/1853/19450.

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4

Katariya, Abhilasha Prakash. "Joint production and economic retention quantity decisions in capacitated production systems serving multiple market segments." [College Station, Tex. : Texas A&M University, 2008. http://hdl.handle.net/1969.1/ETD-TAMU-2985.

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5

Iskandar, Youssef. "Optimization of minimum quantity cooling / lubrication machining of composites through flow visualization." Thesis, McGill University, 2013. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=119384.

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Modern machining involves more dependence on green manufacturing techniques. Minimum Quantity Cooling Lubrication (MQCL) of machining processes has replaced conventional flood cooling in many applications, involving various materials and cutting conditions. The use of this technique results in considerable reductions in the quantity of lubricant used, reducing manufacturing costs as well as the impact of the process on the environment. With the objective of achieving a fuller understanding of this technology, an interest has been taken in the properties of the aerosol, and their impact on mach

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Ouyang, Jintao. "Cumulative quantity control chart and maintenance strategies for industrial processes." Thesis, Click to view the E-thesis via HKUTO, 2004. http://sunzi.lib.hku.hk/hkuto/record/B31121184.

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7

Lieberman, Janet Samantha. "Designing a simple, robust, precision robotic platform for medium quantity production." Thesis, Massachusetts Institute of Technology, 2007. http://hdl.handle.net/1721.1/40457.

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Thesis (S.B.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2007.<br>Includes bibliographical references (p. 21).<br>A niche which has yet to be saturated in the growing market of educational and research robotic platforms is the mechanically-simple, electronically-powerful research robot. Useful in fields such as algorithm and artificial intelligence research, such a robot would support a variety of sensor configurations and run both precisely and autonomously. Such a robot requires a robust, simple, preassembled mechanical platform; an electronics system which easi

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Zhu, Xiang. "Replenishment strategy and coordination with quantity flexibility in a rolling-horizon environment /." View abstract or full-text, 2006. http://library.ust.hk/cgi/db/thesis.pl?IELM%202006%20ZHU.

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9

Arianson, Marte. "Well Models for Production Optimization." Thesis, Norwegian University of Science and Technology, Department of Engineering Cybernetics, 2008. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-9703.

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<p>In coupled reservoir simulations a model of a reservoir and the production system are joined together to obtain realistic responses. One way of performing production optimization is to make use of a gas oil ratio (GOR) estimate when calculating the optimal flow rates. Today this estimate is either not accurate enough or calculating it is a time consuming process. The thesis tries on an alternative online approach for estimating the GOR. It makes use of basis functions in the form of polynomials and normalized radial basis functions together with a recursive least squares (RLS) algorithm.

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10

Kuney, Clark G. "Sample quantity production of ultra-high refractive index distributions of glass microspheres." Online version, 2003. http://www.uwstout.edu/lib/thesis/2003/2003kuneyc.pdf.

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11

Saeed, Muhammad. "Production and Delivery (Optimization of production system and reliability)." Thesis, Högskolan Dalarna, Datateknik, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:du-4728.

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This thesis is done to solve two issues for Sayid Paper Mill Ltd Pakistan. Section one deals with a practical problem arise in SPM that is cutting a given set of raw paper rolls of known length and width, and a set of product paper rolls of known length (equal to the length of raw paper rolls) and width, practical cutting constraints on a single cutting machine, according to demand orders for all customers. To solve this problem requires to determine an optimal cutting schedule to maximize the overall cutting process profitability while satisfying all demands and cutting constraints. The aim o

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Knudsen, Brage Rugstad. "Production Optimization in Shale Gas Reservoirs." Thesis, Norwegian University of Science and Technology, Department of Engineering Cybernetics, 2010. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-10035.

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<p>Natural gas from organic rich shales has become an important part of the supply of natural gas in the United States. Modern drilling and stimulation techniques have increased the potential and profitability of shale gas reserves that earlier were regarded as unprofitable resources of natural gas. The most prominent property of shale gas reservoirs is the low permeability. This is also the reason why recovery from shale gas wells is challenging and clarifies the need for stimulation with hydraulic fracturing. Shale gas wells typically exhibit a high initial peak in the production rate with a

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13

Kayhan, Mehmet. "Integrating Multi-period Quantity Flexibility Contracts With A Capacitated Production And Inventory Planning." Phd thesis, METU, 2008. http://etd.lib.metu.edu.tr/upload/12609902/index.pdf.

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This research introduces a general approach for integrating a probabilistic model of the changes in the committed orders with an analytical model of production and inventory planning under multi-period Quantity Flexibility contracts. We study a decentralized structure where a capacitated manufacturer, capable of subcontracting, serves multiple contract buyers who actually perform forecasts on a rolling horizon basis. We model the evolution of buyers&#039<br>commitments as a multiplicative forecast evolution process accommodating contract revision limits. A finite Markovian approximation to thi

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14

Blue, Benjamin. "Factors impacting organic corn production in the U.S." Thesis, Kansas State University, 2017. http://hdl.handle.net/2097/35371.

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Master of Agribusiness<br>Department of Agricultural Economics<br>Keith Harris<br>The organic food industry experienced rapid growth over the past several decades. Typically, the majority of this growth is associated with the produce sector, but as consumers demand organic options for more food products, organic grains, dairy, and animal meat have emerged as viable food alternatives. There is currently a shortage of organic grains, specifically corn, to feed the livestock that provide organic meat and dairy products. This shortage has led to increased imports of organic corn in order to satisf

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Zia, Muhammad Irfan. "Production Control MechanismsComparison using Multi-ObjectiveSimulation Optimization." Thesis, University of Skövde, School of Technology and Society, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:his:diva-3266.

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<p>The choice of an efficient and effective production control mechanism (PCM)along with the appropriate buffer allocation pattern is very important for anyproduction engineer/decision maker when designing a production line in order toattain the required system performance. This project work aims to give an insightwith different PCMs, different buffer allocation patterns and arrangement ofworkers of different capability to help the production engineers/decision makersto select the right mechanism and pattern. This study has been performed withmulti-objective simulation optimisation (MOSO) tool

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Uncu, Oya Nihan. "Optimization Of Bioethanol Production From Kitchen Waste." Master's thesis, METU, 2010. http://etd.lib.metu.edu.tr/upload/3/12611373/index.pdf.

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Kitchen waste, which is collected in large amounts from cafeterias, restaurants, dining halls, food processing plants, and household kitchens, have become a valuable material for bioprocess engineering. Due to the high carbohydrate fraction, kitchen waste has great potential to be used as a potential substrate for ethanol production. Utilization of it as a raw material in ethanol fermentation would also contribute to reduction of costs. In the first part of this study, the effect of pretreatment method and enzymatic hydrolysis on glucose production was evaluated. Dry baker&rsquo<br>s yeast, Sa

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Juell, Aleksander. "Production Optimization of Remotely Operated Gas Wells." Doctoral thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for petroleumsteknologi og anvendt geofysikk, 2012. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-15934.

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Camacho, Emely. "Optimization of Lentivirus Production for Cancer Therapy." Thesis, Uppsala universitet, Institutionen för medicinsk biokemi och mikrobiologi, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-164715.

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Vectors based on lentivirus backbones have revolutionized our ability to transfer genesinto many cell types. Lentiviral vectors integrate into the chromatin of target cells and do not transfer any viral genes causing vector replication. Both of these features arecommonly used in gene therapy and have been used clinically in individuals sufferingfrom cancer, infections and genetic diseases. It has been discovered that T-cells can be genetically modified to be used as effective weapons against cancer: therefore virus mustbe produced to deliver the gene of interest into the T-cells. In this proje

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Um, Byung-Hwan. "Optimization of ethanol production from concentrated substrate." Auburn, Ala., 2007. http://repo.lib.auburn.edu/07M%20Dissertations/UM_BYUNG-HWAN_51.pdf.

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Whittemore, Brett A. "Recombinant collagen production optimization in Escherichia coli." Thesis, Massachusetts Institute of Technology, 2005. http://hdl.handle.net/1721.1/30974.

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Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2005.<br>This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.<br>Includes bibliographical references (p. 151-158).<br>An Escherichia coli-based collagen-production process was used to investigate several process optimization objectives for use at the industrial scale. The effect of cooling on fermentation growth kinetics was studied, with preliminary results indicating that cooling an early t

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Farinha, Inês da Silva. "Optimization of bioplastics production from cheese whey." Master's thesis, FCT - UNL, 2009. http://hdl.handle.net/10362/2377.

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Dissertation presented in partial fulfillment of the requirements for the degree of Master in Biotechnology<br>Polyhydroxyalkanoates (PHAs) are polyesters produced by a variety of microorganisms. Due to the similarity of chemical and physical properties with the conventional plastics, and full biodegradability, PHAs constitute one of the best alternatives for synthetic polymers replacement. However, the production costs of these biopolymers are very high when compared to synthetic polymers production. One way to reduce the production costs is the utilization of low cost raw materials, such as

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Haddon, Antoine. "Mathematical Modeling and Optimization for Biogas Production." Thesis, Montpellier, 2019. http://www.theses.fr/2019MONTS047.

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La digestion anaérobique est un processus biologique au cours duquel des micro-organismes décomposent de la matière organique pour produire du biogaz (dioxyde de carbone et methane) qui peut être utilisé comme source d'énergie renouvelable. Cette thèse porte sur l'élaboration de stratégies de contrôle et la conception de bioréacteurs qui maximisent la production de biogaz.La première partie se concentre sur le problème de contrôle optimal de la maximisation de la production de biogaz dans un chemostat avec un modèle à une réaction, en contrôlant le taux de dilution. Pour le problème à horizon

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Kosheleva, Natalia. "Optimization of production and use superconductor products." Thesis, Lille 1, 2015. http://www.theses.fr/2015LIL10094/document.

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Ce travail de thèse est consacré à l'optimisation du processus de fabrication des supraconducteurs à basse température (SBT) et à haute température (SHT). Le but est l'optimisation de fabrication de ces produits.Le premier chapitre est dédié au processus de production des SBT. La recherche concerne le problème de réchauffement de la surface des fils par les forces de friction lors du processus d’étirage. Le processus de réchauffement/refroidissement génère des contraintes résiduelles. Cet aspect a été traité dans ce chapitre. On y présente également une méthode pour déterminer les angles optim

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El-Sayed, Jacqueline Johnson. "Multi-objective optimization of manufacturing processes design /." free to MU campus, to others for purchase, 1997. http://wwwlib.umi.com/cr/mo/fullcit?p9841282.

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Shu-ChuanLan and 藍淑娟. "Extended Production Quantity Models under Stochastic Demand." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/00579393853770557713.

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博士<br>國立成功大學<br>工業與資訊管理學系碩博士班<br>101<br>In this thesis, an extended Economic Production Quantity (EPQ) model under stochastic demand is investigated, where a fixed lot sizing policy is implemented to reduce the complexity of production planning and inventory control, and outsourcing with a secondary facility is used to supplement the lot sizing policy and to cope with the random demand. The considered cost includes: setup cost for the batch production, inventory carrying cost, backorder cost when the demand cannot be met immediately during the production period, and outsourcing cost when the t

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Chiu, Yi-Jing, and 邱怡菁. "Optimization in Quality and Quantity of CVD Graphene Growth." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/70540238514133499257.

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碩士<br>國立中正大學<br>光機電整合工程研究所<br>103<br>High quality graphene could enable many applications ranging from high-speed electronics to sensors. Increasing the connectivity of graphene grains synthesized by chemical vapor deposition (CVD) is one promising approach to improving the quality of polycrystalline graphene for electronics applications. Previous studies showed that the limited connectivity is caused by catalyst deactivation due to an outgrowing graphene layer. This coking effect is an inherent limitation of the surface-catalyzed CVD process and causes structural defects and vacancies in the

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Kim, Jongyoon, and Stanley B. Gershwin. "Quality and Quantity Modeling of a Production Line." 2003. http://hdl.handle.net/1721.1/3918.

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During the past three decades, the success of the Toyota Production System has spurred research in the area of manufacturing systems engineering. Two research fields, productivity and quality, have been extensively studied and reported separately both in the manufacturing systems research literature and the practitioner, but there is a lack of research in the intersection of these areas. In addition to that, most studies on the relationship among manufacturing system design, quality and productivity are based on anecdotal evidence or qualitative reasoning that lack sound scientific quantitativ

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Pai, Yen-Pin, and 白彥彬. "Production order quantity for quality and cost consideration." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/41859703996803372375.

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碩士<br>逢甲大學<br>工業工程與系統管理學研究所<br>98<br>In conventional production-inventory management approach, the production order quantity is determined by referring to the costs such as ordering cost and inventory cost. However, the quality level being produced may change during production process due to the deterioration process. Thus, under the deterioration process, production order quantity solely based on the conventional production-inventory management system may be overproduced, due to a lack of consideration of varied quality costs at different points of time, along with the production run length.

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Wang, Jian-Ji, and 王建基. "The Economic Production Quantity with Backorderunder Imperfect Process." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/44500522230309271650.

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碩士<br>國立成功大學<br>工業與資訊管理學系碩博士班<br>97<br>Determining the economic production quantity (EPQ) or production cycle length under various conditions has considerable researches. Typical models for determining the EPQ assume that the quality of products and production process are perfect. In practice, due to the deterioration of production, generate of defective items is inevitable. This paper presents two models to solve the economic production quantity with backorder under imperfect production process. The first EPQ model incorporates the effect of shift of production rate and the generation of defe

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Chen, Jih-An, and 陳至安. "An integrated model on economic production quantity with imperfect production and maintenance." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/45085217158176035865.

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博士<br>國立臺灣科技大學<br>工業管理系<br>92<br>In this paper, we develop an integrated model for the joint determination of both economic production quantity (EPQ) and level of preventive maintenance (PM) for an imperfect production process. This process has a general deterioration distribution with increasing hazard rate. The effect of PM activities on the deterioration pattern of the process is modeled using the imperfect maintenance concept. In this concept, it is assumed that after performing PM, the aging of the production system is reduced proportional to the PM level. After a period of tim

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Poffe, Andrea, and S. B. Gershwin. "Integrating Quality and Quantity Modelling in a Production Line." 2005. http://hdl.handle.net/1721.1/18177.

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"Production timing and price-quantity competition in differentiated duopolies." 2003. http://library.cuhk.edu.hk/record=b5891672.

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Tam Chi Sang.<br>Thesis (M.Phil.)--Chinese University of Hong Kong, 2003.<br>Includes bibliographical references (leaves 73-76).<br>Abstracts in English and Chinese.<br>Chapter 1 --- Introduction --- p.p.1<br>Chapter 1.1 --- Review of Literature --- p.p.4<br>Chapter 1.2 --- Relationships to the existing works --- p.p.11<br>Chapter 2 --- Demand Functions --- p.p.20<br>Chapter 3 --- Exogenous Timing Duopoly --- p.p.24<br>Chapter 3.1 --- Description of the game --- p.p.24<br>Chapter 3.2 --- Equilibrium Analysis --- p.p.27<br>Chapter 4 --- Endogenous Timing Duopoly --- p.p.38<br>Chapter 4.

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Yuan-Shuan, Li, and 李源軒. "Economic Production Quantity under the Effect of Learning Process." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/p27d4v.

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碩士<br>逢甲大學<br>工業工程與系統管理學系<br>103<br>Traditional models for determining the economic production quantity (EPQ) assume a constant production rate. One result of this assumption is that the number of units produced in a given period is constant. However, the constant production rate assumption is not valid whenever the operator begins production of a new product, changes to a new machine, and restarts after a break, or implements a new production process. In such situations learning cannot be ignored. The most widely used and accepted form of the learning curve is the Wright’s Learning Curve (WLC

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Luo, Wu-Chen, and 駱武謙. "Approximation Models on Economic Production Quantity with Learning Effect." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/21929619479446929876.

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碩士<br>國立屏東科技大學<br>工業管理系所<br>97<br>There was learning effect in the past relevant production references.Part of the processing separate accumulation productive time or cost, usually were calculated conveniently, however, it was approximated by the continuous integral in the real value as well, for example: Accumulation of productive time Log-Linear Model The researchers took notices of that the above approximate error. They proposed that other integral approach models, and attempted to control between the real value error, but they also brought the question as following, they inferred the EPQ m

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Tang, Wei-heng, and 黨偉恆. "Optimal batch size with learning economic production quantity model." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/01486955082273449534.

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碩士<br>國立中央大學<br>工業管理研究所<br>100<br>The economic production quantity (EPQ) model has been developed for a long time. One of the assumptions is that there has a constant production rate. But in real situations, there occurs a situation is that the production rate would increase by repetitive manufactures. This phenomenon called effect of learning. Hence, we want to know how this effect working and how to improve the productivity in this model. These issues become the most important thing here. In this paper we discuss the traditional EPQ model with production learning. This research’s background

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Huang, Tsen Han, and 黃增漢. "Economic Manufacturing Quantity Model With Number-Independent Imperfect Production System." Thesis, 1997. http://ndltd.ncl.edu.tw/handle/82245017367602594031.

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TSAI, HSUEH-LI, and 蔡雪麗. "A Study on Economic Production Quantity Models with Learning Effect." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/74159260881438109815.

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碩士<br>國立屏東科技大學<br>工業管理系<br>94<br>The classical economic production quantity (EPQ) model assumes that items produced are of perfect quality and that the production rate is constant. However, in realistic situations, product quality is never perfect, and is directly affected by the reliability of the production processes. In addition, under certain circumstances, the time required to produce a product declined at a decreasing rate as experience with the repetitive task increased. In this study, the effects of learning and imperfect production processes on the economic production quantity problem

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Wu, Bi-Yu, and 吳碧玉. "Economic Production Quantity (EPQ) model with Imperfect Quality Items Produced." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/12730518659920285294.

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碩士<br>朝陽科技大學<br>工業工程與管理系碩士班<br>91<br>This study examines the problem of random defective rate on the economic production quantity (EPQ) model with backlog permitted. One of the unrealistic assumptions of classic finite production model is that it assumes manufacturing facility functions perfectly at all times. However, in most practical settings, due to process deterioration or other factors, defective items are generated. In this paper, random defective rate is considered and all defective items are assumed not repairable. Because of the random scrap rate, it follows that the cycle length of

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Tsai, Yu-Chun, and 蔡侑峻. "Imperfect Economic Production Quantity Models under Predictive maintenance and Reworking." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/fdjyan.

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碩士<br>國立臺灣科技大學<br>工業管理系<br>105<br>Recently, many companies begin to develop intelligent production systems and perform predictive maintenances due to the popular of Industry 4.0. Predictive maintenance monitors production systems by using sensors and data analysis, and maintains production systems before out of control. The traditional economic production quantity (EPQ) model assumes all products are perfect quality, which is not realistic. Production systems may shift from the “in-control” state to the “out-of-control” state, resulting in a higher defective rate. This paper develops imperfect

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(9777347), Nicholas Anderson. "Forecasting of the mango crop: Quantity and quality." Thesis, 2017. https://figshare.com/articles/thesis/Forecasting_of_the_mango_crop_Quantity_and_quality/13444388.

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Precision management of the mango crop can be aided by quantitative measures of indices relevant to fruit maturation and measurement of the fruit load per tree. Such measures address fruit quantity and quality, respectively. Mango fruit DM at harvest is an index of ripened fruit eating quality of ripened fruit, and DM is also useful in assessment of the stage of maturation of the fruit. This thesis considered the robustness of NIR spectroscopy based DM models for use with fruit from different harvest events and of five cultivars (Calypso™, Honey Gold, Keitt, Kensington Pride and R2E2), from tw

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Lin, Feng-Yu, and 林鳳玉. "The Economic Production Quantity Model with Random Scrap Items Derived Algebraically." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/85797805786647917532.

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碩士<br>朝陽科技大學<br>工業工程與管理系碩士班<br>93<br>This study proposes an algebraic method for solving imperfect quality economic production quantity (EPQ) model. It includes the following two subjects: (1) the EPQ model with random scrap items and shortages are permitted and backordered; (2) the EPQ model with random scrap items and no shortages are allowed. Algebraic derivations are used in each case, in order to obtain the optimal production operating policies that minimize the overall production-inventory costs. Traditional approaches for deriving optimal production lot size are by using the differentia

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Lyu, Bo-Hong, and 呂柏宏. "Optimal economic production quantity of deteriorate item with fixed warehouse capacity." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/g393ra.

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碩士<br>國立中央大學<br>工業管理研究所<br>96<br>An enterprise has some limits on owned warehouse capacity that is constant. Besides retailer often stock a lot of inventories that has characteristic of deterioration. A rented warehouse is used when the ordering quantity exceeds the limited capacity of the owned warehouse, and it is assumed that deterioration rates of items in the two warehouses may be different. This study minimize retailers and manufactures total cost to consider fixed warehouse capacity with deterioration items in a finite planning horizon. Mathematic software Mathematica 5.2 is used to der

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Chiu, Pao-Ping, and 丘寶平. "Economic Production Quantity Models involving Lead Time as a Decision Variable." Thesis, 1999. http://ndltd.ncl.edu.tw/handle/68611914443511589351.

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Chang, Wei-Shan, and 張瑋珊. "An Economic Production Quantity Model Considering Process Quality and Fuzzy Demand." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/93259891007482578550.

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碩士<br>國立成功大學<br>工業與資訊管理學系碩博士班<br>96<br>Inventory management plays an important role in business. In practice, the problem that inventory managers face directly to is the uncertainty of demand, which has been examined mostly in Economics Order Quantity models. Therefore, in this study we consider Economics Production Quantity models with and without backorders, using fuzzy numbers to deal with the uncertainty of demand. Although several studies have analyzed the interaction between the economics of production and process quality, most of them view quality from a very traditional perspective

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Hsiao, Liang-Po, and 蕭良伯. "An Economic Production Quantity With Shortage Under Time-Varying Unit Cost." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/56905031550017222939.

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碩士<br>萬能科技大學<br>經營管理研究所在職專班<br>103<br>Considering fluctuating unit production cost under a foreseeable time horizon, this study presents an optimal policy for the economic production quantity with shortage in a production system. Incorporating continuous both linear and exponential trend in unit cost at the mature stage of a product life cycle, we develop a mathematical inventory model for production policy and then present a recursive algorithm and a one-dimension search method to derive the optimal production schedule and number of production cycles. Theoretical demonstrations, including tha

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Yen, Hsieh-Ching, and 謝清彥. "The Study of Economic Manufacturing Quantity Model for Imperfect Production Process." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/36947784804341565782.

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碩士<br>南台科技大學<br>工業管理研究所<br>95<br>Traditional economic manufacturing quantity（EMQ）model assumes that the production process is perfect. However, due to process deterioration or othere factors, the defective items are generated in the production process. In this study, the author proposes the modified EMQ model for determining the economic manufacturing quantity and process parameters. There are three modified models considered as follows: 1. the integrated model with X-bar control chart and EMQ; 2. the integrated model with process mean and EMQ; 3. the integrated model with EMQ and warranty

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Chang, Fu-Chi, and 張富棋. "Imperfect Economic Production Quantity Models under RFID Adoption and Trade Credit." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/25053345145334308836.

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碩士<br>國立臺灣科技大學<br>工業管理系<br>103<br>In practice, suppliers usually provide retailers with a credit period so that they do not need to provide payment for goods immediately. Also, radio frequency identification (RFID) is widely used to identify, trace, and track information during manufacturing processes. The traditional economic production quantity model assumes all products are of perfect quality, which is often not true. Partial backlogging is also common in today’s business. This paper develops imperfect economic production quantity models under RFID adoption, trade credit and reworking of im

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Chen, Day Jin, and 陳黛金. "The Determination of Economic Process Mean and Production Batch Quantity for a Multicharacteristic Production-Inventory System." Thesis, 1993. http://ndltd.ncl.edu.tw/handle/86689648534735937965.

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碩士<br>中原大學<br>工業工程研究所<br>81<br>Models of optimality setting the process mean in order to minimize the total process cost and of economically determining the production batch quantities in order to minimize total production cost have been developed respectively. Among those models, Gupta and Golhar's model is the first one to combine these two inter-related aspects. In their model, single quality characteristic and one-sided tolerance is considered for inspec- tion.From these

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Rodrigues, E. "Optimization of monoclonal antibody production." Doctoral thesis, 2013. http://hdl.handle.net/1822/24841.

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Dissertação de mestrado em Biomedical Engineering<br>Monoclonal antibodies (mAbs), with their unique high specificity, are the most successful product of biopharmaceutical industry, with application in a number of diseases. Due to the high doses typically required, the industry is constantly pressured to develop processes of production that obtain high product yields at reduced costs. Many progresses have been made in this field, mainly due to the emergence of mammalian cell culture technology, and to developments on culture media, production systems, monitoring and scale-up techniques. C

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Kharin, Dmitrii. "Production optimization using discrete simulation." Master's thesis, 2018. http://hdl.handle.net/10198/17999.

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Mestrado APNOR e Universidade de S. Petersburgo<br>Production and manufacturing setups involving lean solutions and customer driven “pull” logic (e.g. kanban systems) are more and more common. Usually, these systems allow companies to increase efficiency, quality levels, work force motivation and general productivity. Although these systems are not too difficult to plan and operate, in complex situations, even small adjustments can produce some unforeseen effects. In this scenario, discrete simulation can provide the tools to model the underlying systems and test the desired changes befo

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