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Dissertations / Theses on the topic 'Replacement of obsolete equipment'

Author: Grafiati

Published: 28 May 2022

Last updated: 31 July 2025

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1

Вишнева, Л. А. "Модернизация системы управления технологическим процессом отделения белой фильтрации". Thesis, Видавництво СумДУ, 2011. http://essuir.sumdu.edu.ua/handle/123456789/10434.

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2

Kim, Kyongsun Park Chan S. "Group versus staggered replacement policy strategic replacement decisons /." Auburn, Ala, 2008. http://repo.lib.auburn.edu/EtdRoot/2008/SUMMER/Industrial_and_Systems_Engineering/Thesis/Kim_Kyongsun_56.pdf.

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3

Wake, D. C. "The optimal replacement of mining equipment." Thesis, University of Nottingham, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.376166.

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4

Okereke, C. S. "Optimal replacement strategies for coal extraction equipment." Thesis, University of Bradford, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.373218.

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5

Cohen, Gavin. "Equipment replacement decision making in the mining industry." Thesis, Stellenbosch : Stellenbosch University, 2001. http://hdl.handle.net/10019.1/52260.

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Thesis (MBA)--Stellenbosch University, 2001.<br>Some digitised pages may appear illegible due to the condition of the original hard copy<br>ENGLISH ABSTRACT: The decision to make equipment replacements has a major influence on the competitiveness of any business. A company like Iscor recently spent approximately one billion Rand to modernise its fleet of equipment at various centres. This report presents a holistic approach to the issue of equipment replacement decision-making. It contends that equipment replacement decisions are not isolated incidents that occur by chance. In fact, the

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6

Revie, Ian Crawford. "The manufacture and evaluation of custom acetabular components for total hip replacement." Thesis, Queen's University Belfast, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.286851.

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7

Ameyugo, Gregorio. "Generalized optimization modeling for defense capital planning and equipment replacement." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 1996. http://handle.dtic.mil/100.2/ADA322571.

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Thesis (M.S. in Operations Research) Naval Postgraduate School, September 1996.<br>Thesis advisor(s): Gordon H. Bradley. "September 1996." Includes bibliographical references (p. 61). Also available online.

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8

Gunawardena, Niranjan D. "A methodology for optimising maintenance and replacement of construction equipment." Thesis, Loughborough University, 1990. https://dspace.lboro.ac.uk/2134/7425.

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Mathematical optimisation models are seldom used in making maintenance decisions regarding construction equipment. The reason for this could be, simply, the lack of such models for maintenance of construction equipment compared to those in other areas such as industrial equipment- maintenance. Most of the general mathematical models proposed for industrial equipment maintenance could not be used for construction equipment due to the current state of poor record keeping and narrowly defined maintenance policies currently existing in construction equipment companies. However, some optimisation t

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9

Bouamra, Omar. "Advances in capital replacement modelling with applications." Thesis, University of Salford, 1996. http://usir.salford.ac.uk/14770/.

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This thesis addresses the capital replacement modelling problems associated with a mixed, or inhomogeneous, fleet and also takes account of the fleet size problem. Applications considered relate to a fleet of buses and a fleet of medical equipment. The initial chapters introduce the notion of capital replacement modelling and review previous work in the field, as well as reviewing the fleet size problem. Replacement policies are also put in the context of the fleet rather than the context of a 'typical plant'. In the third chapter, we present our first attempt to model capital replacement with

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Bushendorf, Jeffrey. "Field study of the 5-Axis Forest-Line versus the 5-Axis Fidia-211 in the case of a midwestern engineering firm." Online version, 2009. http://www.uwstout.edu/lib/thesis/2009/2009bushendorfj.pdf.

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11

Mak, Sek-man Leo. "Replacement decisions of production assets : an optimization approach /." [Hong Kong] : University of Hong Kong, 1986. http://sunzi.lib.hku.hk/hkuto/record.jsp?B12324000.

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12

麥錫民 and Sek-man Leo Mak. "Replacement decisions of production assets: an optimization approach." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1986. http://hub.hku.hk/bib/B31263860.

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13

NIGRI, SIMONE BARBOSA. "A MATHEMATICAL METHOD TO SET A CRITERIUM FOR THE REPLACEMENT OF EQUIPMENT." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 1998. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=14176@1.

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A otimização da remuneração econômica do capital investido é motivo de grande preocupação da atividade financeira das empresas (privadas ou não). Daí procurarem conquistar e manter, através da função qualidade x preço, sempre maior participação no mercado para seus serviços e/ou produtos. Neste trabalho estão apresentados e estudados seis métodos, e pertinentes filosofias, utilizados no traçado de políticas de substituição. Os métodos apresentados são: - Método da Matemática Financeira; - Método da Equação de Custos; - Método de Terborgh (primeiro, segundo e terceiro métodos); - Método do Cap

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14

Rao, Shashi. "Some studies in simultaneous failure in equipment items." Thesis, Virginia Tech, 1990. http://hdl.handle.net/10919/41607.

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This study can be classified under the subject of equipment item replacement analysis. Simultaneous failure, SF, of the components of an equipment item, EI, is the topic of this thesis. Examination of the possibility of designing components of an EI for SF is one objective of the study. The motive for this objective is the belief that SF designs of EI minimize the total cost of acquiring and operating the EI. Examination of the strength of materials reveals that design life of components is not sufficiently flexible to realize SF, and design requirements can predetermine design life. This is

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15

Al-Kahtani, Tariq. "Decision making process for prioritizing replacement of medical equipment considering non-technical factors." Thesis, University of Exeter, 2010. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.515548.

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16

Goma, Ophelia D. "An investigation of the behavior of replacement investment /." free to MU campus, to others for purchase, 1997. http://wwwlib.umi.com/cr/mo/fullcit?p9841143.

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17

Lenning, Anders Ilstad. "Life cycle model for economical evaluation of replacement/improved maintenance strategy for systems and equipment." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for marin teknikk, 2011. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-15495.

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Systems that deteriorate over time can result in increased operational costs. Reduced efficiency, increased fuel consumption, increased failure rate that induces increased downtime costs, are some of the consequences due to deterioration. Analysis of systems and equipment that deteriorate over time is an important aspect of ageing management. In this thesis, the available literature from maintenance and life cycle theory has been mapped. The goal was to develop a model for Odfjell Drilling, which could be used to estimate the life cycle costs for optimal repair intervals for systems and equipm

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18

Al-Abiyad, Shala Abulgacem. "Managing property, plant and equipment factors affecting decisions about their replacement in Libyan manufacturing companies." Thesis, Edinburgh Napier University, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.506347.

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19

Luxhoj, James T. "A dynamic programming approach to the multi-stream replacement problem." Diss., Virginia Polytechnic Institute and State University, 1986. http://hdl.handle.net/10919/49829.

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20

Yang, Qi. "Remanufacturing Versus New Acquisition of Production Equipment: Definitions and Decision-making Checklist." Thesis, Mälardalens högskola, Akademin för innovation, design och teknik, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-27276.

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With technology changing at a dramatic pace, entrepreneurs may assume that acquiring the newest production equipment available is the best option. But that is not always the case. It is important to first assess the needs in order to decide whether new or remanufactured production equipment is the best alternative. Investment on production equipment can be initiated due to existing equipment cannot handle capacity; products evolve and changes needed to meet market requirement; to continuously improve production system; or the general requirements for quality, environment, economy and safety. H

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21

Burger, Dirk Adriaan. "The development of an optimal earthmoving machine replacement interval model in an open-cast mining environment." Thesis, Stellenbosch : Stellenbosch University, 2001. http://hdl.handle.net/10019.1/52511.

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Thesis (MBA)--Stellenbosch University, 2001.<br>ENGLISH ABSTRACT: The replacement of earthmoving machines forms a significant portion of the annual capital expenditure on South African mines. The decision on the timing of the replacement varies substantially between different operations, but frequently it is not based on any scientific study or analysis. The reason for this is that most textbooks propose complex calculations for the determination of an optimal replacement point, and subsequently the mathematical effort serves as a deterrent to those who are tasked with replacement evalu

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22

Karim, Aria, and Anna Schnelzer. "Differences in Lengths of Life of Production Equipment & Production Systems and their implications on Acquisition & Replacement Processes." Thesis, Mälardalens högskola, Innovation och produktrealisering, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-28558.

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Nowadays usage of advanced production equipment becomes more common among production industries, future challenges in the market require flexibility in production industries due to growing competition and demand responses. Decisions regarding acquisition and replacement of production equipment have a major role in future profitability and competitiveness of production industries. Production equipment life cycle is dependent on technical, economical and conceptual lengths of life. Technical and economical lengths of life are connected to production equipment and the conceptual length of life is

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23

Nourbakhsh, Ghavameddin. "Reliability analysis and economic equipment replacement appraisal for substation and sub-transmission systems with explicit inclusion of non-repairable failures." Thesis, Queensland University of Technology, 2011. https://eprints.qut.edu.au/40848/1/Ghavameddin_Nourbakhsh_Thesis.pdf.

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The modern society has come to expect the electrical energy on demand, while many of the facilities in power systems are aging beyond repair and maintenance. The risk of failure is increasing with the aging equipments and can pose serious consequences for continuity of electricity supply. As the equipments used in high voltage power networks are very expensive, economically it may not be feasible to purchase and store spares in a warehouse for extended periods of time. On the other hand, there is normally a significant time before receiving equipment once it is ordered. This situation has crea

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Tzeferakos, Steven Andrew. "Technical change and productivity, with emphasis on machinery and equipment, advanced manufacturing technologies, replacement investments, and capital deepening in Canadian manufacturing industries." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape3/PQDD_0015/MQ57335.pdf.

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25

Sharma, Manu. "Reverse Logistics and Environmental Considerations in Equipment Leasing and Asset Management." Diss., Georgia Institute of Technology, 2004. http://hdl.handle.net/1853/4869.

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Reverse Logistics and Environmental Considerations in Equipment Leasing and Asset Management Manu Sharma 151 Pages Directed by Dr. Jane C. Ammons Today many business enterprises employ capital assets in the form of electronic equipment (e.g., personal computers, workstations and peripherals) in large quantities. As a result of rapid technological progress, these products have a very short life cycle, typically not much more than three or four years. Unfortunately, the disposal of electronic equipment (which contains hazardous materials) presents an environmental problem. In the face of ra

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26

Rasmüssen, Louis. "Modernisation et formation de la main-d'oeuvre : nouveaux rapports entre l'entreprise et le milieu régional : le cas de la Stone-Consolidated de Ville de la Baie /." Thèse, Chicoutimi : Université du Québec à Chicoutimi, 1992. http://theses.uqac.ca.

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27

Feldens, Aray Gustavo Furtado. "Sistemática para desenvolvimento de políticas de substituição de frotas de ônibus para transporte público urbano : uma abordagem multicritério." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2006. http://hdl.handle.net/10183/8902.

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O sistema de transporte público por ônibus no Brasil tem sido afetado por influências variadas que exigem do setor uma maior eficiência e redução de custos. A queda da demanda de passageiros nos centros urbanos e o aumento do preço dos insumos das empresas de transporte acima da inflação oneram significativamente o sistema de transporte. Considerando que o ativo operacional mais importante da empresa é o ônibus, uma política de substituição destes equipamentos viabiliza uma gestão mais eficiente e econômica da empresa. O objetivo desta Dissertação é o de desenvolver uma sistemática para Políti

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Sommerfeld, Edward John. "A plant fleet asset management system." Thesis, Queensland University of Technology, 1999.

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29

Tatíček, Vojtěch. "Konstrukce transportního vozíku s robotem nebo nosičem palet." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2019. http://www.nusl.cz/ntk/nusl-400969.

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The aim of this work was to design the construction of transport equipment under industrial robot, pallet holder or other equipment. This manipulation device can be moved in one axis on a rigid guide. The device is designed for use in a linear manufacturing system for handling workpieces and tools. It is capable of operating two rows of machines when it is placed in the middle. The main function of this device is to extend the workspace to the carried devices. This type of construction can be used in combination with an industrial robot for other technological tasks such as welding or light ma

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Wang, C. T., and 王秋棠. "fuzzy dynamic equipment replacement programming." Thesis, 1996. http://ndltd.ncl.edu.tw/handle/78160480812675187674.

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碩士<br>高雄工學院<br>管理科學系<br>85<br>For any enterprise, the quality and efficiency of the production equipment are very important. Any aged or broken production assess can make an enterprise spend more money on its operation and maintenance. Besides, the modern industrial technology is able to provide more effective equipment with flexible productivity which saves labor,operating and maintenance costs. Therefore, to decide when to replace the current producing equipment with newer or more deve

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Luo, Shangyuan. "Investigations in parallel replacement analysis /." Diss., 2003. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:3117165.

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Rogers, Jennifer Lynn. "Equipment replacement under continuous and discontinuous technological change /." Diss., 2005. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:3167074.

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Lan, Lin Shy, and 林世南. "Appling Product Life Cycle Forecast To Equipment Replacement." Thesis, 1994. http://ndltd.ncl.edu.tw/handle/23687840427376327375.

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Singh, Avninder (Gill). "Analysis of lot size inventory and equipment replacement problems." 1992. http://hdl.handle.net/1993/18701.

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Ban, Jinlong. "Parallel replacement under deterioration and technological change /." Diss., 2003. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:3117137.

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36

Adkins, Roger, and D. Paxson. "Stochastic equipment capital budgeting with technological progress." 2013. http://hdl.handle.net/10454/13546.

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Yes<br>We provide multi-factor real option models (and quasi-analytical solutions) for equipment capital budgeting under uncertainty, when there is either unexpected, or anticipated, or uncertain (volatile) technological progress. We calculate the threshold level of revenues and operating costs using the incumbent equipment that would justify replacement. Replacement is deferred for lower revenue thresholds. If progress is anticipated or highly uncertain, alert financial managers should wait longer before replacing equipment. Replacement deferral increases with decreases in the expected correl

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Wu, Shing Horng, and 吳信宏. "Equipment Replacement and Investment Decision in Hospital ─ AHP''s application." Thesis, 1994. http://ndltd.ncl.edu.tw/handle/21833284913007405968.

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38

LIN, CHUNG-PAO, and 林忠寶. "A Study of Key Factors for Core System Equipment Replacement Strategy." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/xg4gs2.

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碩士<br>國立高雄應用科技大學<br>企業管理系碩士在職專班<br>105<br>Taiwan high-speed railway has become the extremely important public transport system on western corridor of Taiwan as of 2017. The high-speed Train operation depends on the Core System Equipment. Starting 2003, the Core System Equipment began manufactured, installed and tested, and conducted integrated testing commissioning, and Taiwan's high-speed railway started formal operation in 2007. The Core System Equipment is used in different environment and conditions. The design life of equipment and function is different. The importance to the operation an

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39

Du, Plessis Colin. "Replacement of earthoving equipment at surface coal mining operations in South Africa." Diss., 2008. http://hdl.handle.net/2263/23398.

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In order to mine coal, South African surface coal mining operations are heavily dependent on their earthmoving equipment fleets. These equipment fleets represent large capital investments by the companies. Mine management must make complex decisions on their deployment, maintenance, and retirement. They have finite physical and economic life and require replacement at some stage. However, different methodologies are employed to determine the timing of earthmoving equipment replacements. These vary from complex financial models to an intuitive knowledge that a machine must be replaced at a part

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Dube, Khanyisa Phumza. "Total repair cost limit replacement policies: analyses and comparisons." Thesis, 2016. http://hdl.handle.net/10539/21041.

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A Research Report submitted to the Faculty of Science, University of the Witwatersrand, Johannesburg, in partial fulfilment of the requirements for the degree of Master of Science. Johannesburg, 2016<br>Maintenance of technical systems aims at retaining their reliability and availability, restoring their capability of continuing their operation in case they have failed. A number of reliability and maintenance policies that play a significant role in reducing system failures and in making cost-effective decisions on whether to repair or replace a system will be examined in great detail.

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Somboonwiwat, Tuanjai. "A methodology to solve large-scale group fleet replacement problems." Thesis, 2001. http://hdl.handle.net/1957/32541.

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This research addresses the large-scale group fleet replacement problem with multiple vehicle types of multiple units, under budget and demand constraints. Past research in group fleet replacement is limited and has focused on one vehicle type, with multiples units and constraints. Many studies in fleet replacement have also dealt with single replacement, with single units, and with no constraints. The objective of this research is to find the methodology to solve the general large-scale group fleet replacement problem. A multi-phase methodology based on the grouping concept is presented and i

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Pretorius, Nico. "The optimal replacement life of opencast mining haultrucks utilizing key performance indicators." Thesis, 2012. http://hdl.handle.net/10210/6701.

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M.Phil.<br>In an ever - increasing competitive business world it is essential to optimise the replacement of expensive mining equipment. The decisions regarding the replacement of assets used in a coal mine are usually based on life cycle costing models. Financial methods such as Net Present Value, Internal Rate of Return or Payback are applied to determine the feasibility of replacement of the asset. Whereas these methods and other models such as life cycle costing, challenger / defender and the Non-Homogeneous Poisson Process models can be applied in most cases, it is deemed to be insufficie

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SALEH, NEVEN SALEH KHALIL. "COMPREHENSIVE FRAMEWORKS FOR DECISION MAKING SUPPORT IN MEDICAL EQUIPMENT MANAGEMENT." Doctoral thesis, 2014. http://hdl.handle.net/11583/2579737.

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Throughout medical equipment life cycle, hospitals need to take decisions on medical equipment management based upon a set of different criteria. In fact, medical equipment acquisition, preventive maintenance, and replacement are considered the most important phases, accordingly a properly planned management for these issues is considered a key decision of medical equipment management. In this thesis, a set of frameworks were developed regarding acquisition, preventive maintenance, and replacement to improve management process of medical equipment. In practice, quality function deployment was

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Adkins, Roger, and Dean Paxson. "The effect of tax depreciation on the stochastic replacement policy." 2013. http://hdl.handle.net/10454/5806.

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The optimal replacement policy for an asset subject to a stochastic deteriorating operating cost is determined for three different tax depreciation schedules and a known re-investment cost, as the solution to a two-factor model using a quasi-analytical method. We find that tax depreciation exerts a critical influence over the replacement policy by lowering the operating cost thresholds. Although typically a decline in the corporate tax rate, increase in any initial capital allowance, or decrease in the depreciation lifetime (increase in depreciation rate) results in a lower operating cost thre

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Chipoyera, Honest Walter. "Inspection and replacement models for reliability and maintenance: filling in gaps." Thesis, 2017. http://hdl.handle.net/10539/23607.

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A thesis submitted in fulﬁllment of the requirements for the Degree of Doctor of Philosophy, School of Statistics and Actuarial Science, Faculty of Science University of Witwatersrand, Johannesburg. February 2017.<br>The work done in this thesis on ﬁnite planning horizon inspection models has demonstrated that with the advent of powerful computers these days it is possible to easily ﬁnd an optimal inspection schedule when the lifetime distribution is known. For the case of system time to failure following a uniform distribution, a result for the maximum number of inspections for the ﬁnite plan

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Lung-De, Gau, and 高隆德. "Research on decision model formulation and analysis for the multi-stage equipment replacement in FPD plant." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/95385903037815489421.

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碩士<br>明新科技大學<br>工業工程與管理研究所<br>100<br>FPD(Flat Panel Display) manufacturing in which TFT-LCD taking the majority, no matter in array, cell, or module process, is quite complex. As noted in literature, the bottleneck occurred in the machinery station during the manufacturing process. However, the bottleneck station could appear in material handling Robot Station that used for moving panel during the processes. Therefore this paper will utilize the robust high-tech facility, Panel Handling Station (PHS), developed by Gthink Tech to substitute for Robot Station in Cell process of TFT-LCD manufact

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Mutsvanga, Clarence. "Design of regional pillars for the Khuseleka Ore Replacement Project (KORP) - UG2." Thesis, 2017. https://hdl.handle.net/10539/24084.

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A research report submitted to the Faculty of Engineering and Built Environment, University of the Witwatersrand, Johannesburg, in partial fulfilment of the requirements for the degree of Master of Science in Engineering, Johannesburg 2017<br>Depletion of mineral resources is a reality of mining. It is critical that as resources get depleted, new reserves are subsequently opened up continuously if a mine is to continue operating. Failure to open up new reserves will result in a mining operation running out of reserves and ultimately ceasing operations. Besides the economic considerations of an

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Engelhardt, Mark Owen. "Development of a strategy for the optimum replacement of water mains / Mark Engelhardt." Thesis, 1999. http://hdl.handle.net/2440/19392.

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Errata sheet pasted onto front end-paper.<br>Bibliography: leaves 357-377.<br>xxvi, 514 leaves : ill. (some col.), fold. maps ; 30 cm.<br>Title page, contents and abstract only. The complete thesis in print form is available from the University Library.<br>Thesis (Ph.D.)--University of Adelaide, Dept. of Civil and Environmental Engineering, 1999?

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Engelhardt, Mark Owen. "Development of a strategy for the optimum replacement of water mains / Mark Engelhardt." 1999. http://hdl.handle.net/2440/19392.

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Errata sheet pasted onto front end-paper.<br>Bibliography: leaves 357-377.<br>xxvi, 514 leaves : ill. (some col.), fold. maps ; 30 cm.<br>Title page, contents and abstract only. The complete thesis in print form is available from the University Library.<br>Thesis (Ph.D.)--University of Adelaide, Dept. of Civil and Environmental Engineering, 1999?

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Kitila, Abenezer Wakuma. "Waste electrical and electronic equipment (e-waste) management and disposal methods in the city of Addis Ababa, Ethiopia." Thesis, 2018. http://hdl.handle.net/10500/25154.

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E-waste is a world-wide, interregional, and domestic problem. E-waste management is a challenging task not only due to its speedily increasing volume but more outstandingly because of its hazardous nature. This study examined the e-waste management and disposal methods in the city of Addis Ababa to propose appropriate e-waste management model. Further, it attempted to comprehend the existing policy gap by identifying the different obstructions to the adoption of e-waste management policy. To this end, the study employs both descriptive and explanatory research designs. It selected 100 househol

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