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Littérature scientifique sur le sujet « Equipment and supplies - Maintenance and repair »

Auteur : Grafiati

Publié le 4 juin 2021

Mis à jour le 16 février 2022

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Articles de revues sur le sujet "Equipment and supplies - Maintenance and repair"

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Fan, Hongqin, Hyoungkwan Kim et Osmar R. Zaïane. « Data warehousing for construction equipment management ». Canadian Journal of Civil Engineering 33, n^o 12 (1 décembre 2006) : 1480–89. http://dx.doi.org/10.1139/l06-108.

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Equipment logistics, maintenance, and repair are important aspects of construction equipment management. A well-managed equipment fleet helps reduce downtime, as well as total maintenance and repair costs. With quickly growing fleets of equipment, large contractors tend to divert the maintenance and repair of equipment from equipment managers to project managers. As a result, the equipment managers shift their attention from operational-level decision-making to corporate-level strategic decision-making regarding equipment management, which is often a challenging job with the current equipment management system. This paper presents an equipment data warehouse and a prototype decision support system (DSS). The proposed equipment data warehouse enables equipment managers to visually analyze the equipment fleet data from different perspectives and at various level of details. The data-warehouse-based DSS facilitates high-level, fact-based decision-making regarding equipment logistics, supplies, maintenance, repair, and replacement and has higher levels of performance and flexibility than the current equipment management system.Key words: data warehouse, decision support system, equipment management, multidimensional modeling.

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Biały, Witold, et Jiri Fries. « Computer Systems Supporting the Management of Machines/Equipment in Hard Coal Mines. Case Study ». Management Systems in Production Engineering 27, n^o 3 (1 septembre 2019) : 138–43. http://dx.doi.org/10.1515/mspe-2019-0022.

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AbstractComputer systems supporting the management of machines operation and maintenance in companies have been successfully applied in many branches of industry. Over the last few years these systems have been considerably transformed. It also seems that using them for operating mining machines in hard coal mines is inevitable, as maintenance generates high production costs. If implemented, the systems will allow for optimization of stocks, spare parts and materials, supplies, outsourced services as well as maintenance-repair works. Application of a system supporting the management of mining machines/equipment will also enable a better, more effective use of employees. As a result of these actions, the time needed for preparations and repair will be shortened, which will translate directly into the economic effects of mines.

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Brueton, Valerie, et Richard Brueton. « Simulating a patient’s pathway through a new surgical facility : a method to promote hospital safety in resource-poor settings ». Tropical Doctor 49, n^o 1 (30 septembre 2018) : 3–7. http://dx.doi.org/10.1177/0049475518795766.

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Improving hospital safety is challenging in resource-poor countries. Before a new hospital opened in Malawi, we simulated a patient’s pathway from admission to discharge, through which we identified associated administrative and clinical activities. Newly recruited hospital personnel enacted the simulation: admission procedures; preoperative clinical assessment; patient preparation for theatre and surgery; safety checks of surgical and anaesthetic equipment; adherence to aseptic technique; postoperative care; and hospital discharge. Hospital personnel were familiar with their clinical and administrative roles. Some essential equipment required repair/recalibration. Additional supplies of oxygen, nitrous oxide and anaesthetic drugs were needed. Policies requiring clarification, forms requiring amendment and general maintenance tasks for completion were identified. The simulation exercise identified areas for safety improvement and thus could be replicated to promote hospital safety elsewhere.

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Larson, D. L. « Performance of the Coolidge Solar Thermal Electric Power Plant ». Journal of Solar Energy Engineering 109, n^o 1 (1 février 1987) : 2–8. http://dx.doi.org/10.1115/1.3268173.

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Energy performance and equipment evaluation results are presented for the grid-connected Coolidge solar thermal-electric power plant. Performance was determined for each of the major subsystems—line-focus collector array, thermal energy storage and 200 kW, organic Rankine cycle engine and generator. Day-long collector array efficiency was about 32, 26, and 9 percent in June, September, and December, respectively. Energy conversion efficiency was about 20 percent; electrical parasitics reduced this by 12 percent. Operation and maintenance required about 90 h/mo, only 20 percent requiring special skills or training. Operating supplies and repair services cost about $6300 per year. Major equipment problem catagories were fluid leakage and electric motor and electronic component failures. The presented operating data provide a basis for improved design and analysis.

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Pratama Putra, Gilang Muharam, et Andri Irawan. « ANALISIS PEMELIHARAAN PREVENTIF AC PACKAGE PADA GERBONG KERETA PENUMPANG K1 DI DEPO 2 GERBONG KERETA BANDUNG ». GEMA : Jurnal Gentiaras Manajemen dan Akuntansi 12, n^o 1 (22 janvier 2020) : 48–59. http://dx.doi.org/10.47768/gema.v12i1.204.

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This study aims to analyze the maintenance of AC Package preventive on the K1 passenger train car at Depo 2 of Bandung Rail Car. This research is a qualitative descriptive, using snowball sampling technique. Data collection techniques in this study were interviews, observation, and documentation. In this study using a validity test that is a triangulation of sources, triangulation of techniques and triangulation of time. The results showed that in maintaining the economic life of the AC Package is still not good and still found damage to the AC Package. In the supply of technicians, equipment and supplies are still not available as specified. There are still 44 technicians needed and the equipment is still in poor condition. in this case, the AC Package preventive maintenance activities on K1 passenger train cars still have a lot to be repaired at Depo 2 Bandung

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Kolmykov, V. I., I. N. Rodionova, O. V. Vorobyeva et L. M. Fomichyeva. « ОN THE INTEGRATED CRITERIA OF MACHINERY AND EQUIPMENT RELIABILITY ». Proceedings of the Southwest State University 21, n^o 6 (28 décembre 2017) : 96–102. http://dx.doi.org/10.21869/2223-1560-2017-21-6-96-102.

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On the example of chain conveyors, the article shows the relationship between the change in the operation process of constructive, energy and other parameters of a machine and reliability parameters. The authors have presented the analysis of methodological approach that is based on wear and damage of machine parts with increase in the duration of their operation and the impact of these changes on the performance of a machine. On the example of heavy-duty transporters, the paper presents the method which shows that at a constant load of conveyor (Q и W-const ) with increase in the duration of its operation, the power required to drive it will also increase. According to this parameter, one can judge about the current status of power components of a conveyor, and it is also possible to calculate the reliability (longevity, failure-free performance, etc.). If you use a chain with links strengthened by innovative technologies (e.g., wear-resistant coatings and modification of surface layers by diffusion saturation, etc.) longetivity increases. The energy supplied to the machine is spent on useful work and overcoming friction forces and other resistance forces arising in the machine elements. As you increase the duration of operation, the condition of machine parts changes (due to wear, corrosion, fatigue and other destructive processes). These changes mainly cause more energy consumption for overcoming them. Thus, when having a constant load of conveyor (Q и W-const ) with increase in the duration of its operation the power required to drive it will increase too. For this parameter which is easily measured by appropriate instruments, it is possible to judge the current status of the power components of a conveyor, and calculate the reliability (longetivity, failure-free performance, etc.)., etc.). One of the important indicators of reliability of complex machinery is maintainability. Machines parts are restored in parallel in specialized shops or businesses, and the repair time does not overlap with the downtime of the whole machine to be repaired. Therefore, maintainability in such cases can be more properly evaluated using such an indicator as the complexity of maintenance and repair. The article shows the possibility of evaluating machine reliability according to the complexity of works, their maintenance and repair. The obtained dependences established for evaluation of reliability of machines on the basis of complex criteria can be used at the design stage, when calculations of the output parameters can be carried out instead of costly full-scale or bench testings.

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Nasarwanji, Mahiyar F., Alan G. Mayton et Jonisha Pollard. « Why Slips, Trips, and Falls Are Still A Problem : A Hazard Assessment At Surface Mines ». Proceedings of the Human Factors and Ergonomics Society Annual Meeting 63, n^o 1 (novembre 2019) : 1856–60. http://dx.doi.org/10.1177/1071181319631372.

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Slips, trips, and falls (STF) contribute significantly to nonfatal incidents at surface mines. Although fall fatalities and STF from mobile equipment have been investigated, nonfatal incidents and STF hazards encountered at mines are not well documented. This paper aims to identify occupations and activities associated with nonfatal STF incidents at surface stone, sand, and gravel mines, document through a systematic observation the STF hazards encountered, and corroborate the findings of the hazard assessment using an analysis of nonfatal injury narratives reported in the Mine Safety and Health Administration (MSHA) injury database. Mobile equipment operators, laborers/utility men, and mechanics were most often involved in nonfatal STF incidents. Walking/running, getting on/off equipment, machine maintenance and repair, and handling supplies and materials accounted for over 80% of the activities being performed at the time of the incident. Solid debris, in the form of rocks and stones on unpaved surfaces and material accumulation on paved surfaces, and liquid contaminants, primarily pooled water, were common hazards identified during the systematic observation. Stair tread issues and transitions to and from ladders were also identified as hazards. These findings were in line with injury data where rocks, ice/snow, uneven ground, water, hoses, mud, and loose/unstable material were the most common contaminants and hazards encountered at the time of the incident. In addition, several recommendations are provided to help eliminate or remediate the identified hazards.

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Kholmuratovich, Khursanov Rustam. « Legal Regulation Of Telecommunication Services Under The Legislation Of Uzbekistan ». American Journal of Social Science and Education Innovations 03, n^o 06 (1 juin 2021) : 185–93. http://dx.doi.org/10.37547/tajssei/volume03issue06-31.

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To date, the introduction of new methods in the telecommunication service and the quality changes in this area of the service require such improvements in the legal order. These aspects are also reflected in the legal regulation of the telecommunication service. The provision of telecommunication involves a complex set of actions of the participants of this legal relationship, such as the acquisition of technical means, the use of technical means and in this connection the installation of this or that material, their maintenance, repair of these devices in case of necessity. In this sense, the relations of telecommunication services include the impersonation of certain signs of the energy supply contract. First of all, in the power supply contract, the power supply organization also supplies energy to the subscriber through the connected network. The telecommunication service also requires the presence of an adjoining network. Therefore, subscriber is connected directly with the service provider through telephone wires and on the basis of the specified number, a telephone connection service is provided to him. Meanwhile, a contract is concluded with a person who has certain equipment in the energy supply contract. This is exactly the case in the contract for the provision of telecommunication services.

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Shakhov, S. I., K. N. Vdovin, Yu M. Rogachikov et D. S. Shakhov. « Perfection of equipment for electromagnetic stirring of liquid steel in CCM molds ». Ferrous Metallurgy. Bulletin of Scientific , Technical and Economic Information 75, n^o 7 (8 août 2019) : 828–33. http://dx.doi.org/10.32339/0135-5910-2019-7-828-833.

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To obtain quality continuously casted billets, electromagnetic stirring (EMS) of melt is used. Most of the industrial CCM operating in Russia are equipped by EMS systems, supplied by foreign companies. EMS stators of foreign production are manufactured as a rule in nonseparable bodies and after their failures the systems must undergo expensive repair abroad at the manufacturers. At VNIIMETMASH the EMS systems of external design were created, in which this problem was solved. The version ЭМПУ 880 (EMPU 880) is completely demountable, that provides conditions for its maintenance and repair under conditions of electric shop of a plant without attraction of expensive materials and equipment. All the materials are domestic made and available. The developed facility comprises 3-phases stator submerged into water, placed in a demountable body of a corrosionresistant steel. The airproofing the body accomplished by a heat-resistant resin. Water supply into the internal area of the body and taking it away is made by end nipples. The terminal unit is arranged in the body having removable covers to connect the power mains. The output ends of the three phases are airtight in the sealing blocks under pressure of 10–12 atm. The designed EMS facility is placed at arranged locations. The peculiarities of the EMS facility design allow to increase up to 585 mm the distance to the plain of maximum rotating forces of the meniscus in the mold. Taking into account that the total energy in the active zone flow decreased and the distance to the meniscus increases, quieter meniscus can be expected at more intensive regimes of the stirring. This circumstance allow improving considerably the quality of the continuously casted billet.

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Semenov, A. P. « Organization of life cycle management of indigineous russian locomotives ». Herald of the Ural State University of Railway Transport, n^o 1 (2021) : 62–71. http://dx.doi.org/10.20291/2079-0392-2021-1-62-71.

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The service system for managing the life cycle of locomotives faces the problem of obtaining objective information about the technical condition of the locomotive and its operation. Designers of equipment and the locomotive as a whole, locomotive-building plants, service companies, locomotive repair plants and the operating organization have their own information systems that are not connected to each other. It is proposed to create a cross-platform management system for the locomotive life cycle database with the collection of information from all information systems at all stages of the locomotive life cycle with the appropriate management organization, which is described in the article. Information about the structure of the locomotive equipment, possible suppliers and maintenance regulations (MRO) is formed at the design stage. Information on the numbers and suppliers of installed equipment and test results is generated at the stage of locomotive manufacturing. In operation, the mileage of the locomotive, the ton-kilometer work, and, if possible, the electricity consumption are recorded. The MRO system registers the types and volumes of work, their duration and cost, and the spare parts and materials used. Equipment replacement is also registered. Separately, the reasons for failures and super-cycle work are analyzed. As a result, the database is formed for multi-factor analysis of the reasons for the low reliability of locomotives, the high cost of the life cycle. Corrective measures are being developed.

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Thèses sur le sujet "Equipment and supplies - Maintenance and repair"

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Chan, Fan, et 陳帆. « Structural and cultural change in a government service under commercialisation ». Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1995. http://hub.hku.hk/bib/B31266344.

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Powell, Lydia Charlotte. « The biofouling of reverse osmosis membranes : from characterisation to control ». Thesis, Swansea University, 2011. https://cronfa.swan.ac.uk/Record/cronfa42695.

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Membrane technology can be utilised for the high purification and desalination of water. However membrane filtration processes are commonly impeded by membrane fouling, which can lead to flux decline and an overall reduction in separation efficiency within the process. Therefore the aim of this research study was a comprehensive investigation of the issue of biofouling on industrial RO membranes through molecular biology techniques, characterisation of surface charge of foulant bacteria and RO membrane surface and AFM imaging and force measurements on clean and fouled membranes for the determination of adhesion force and micromechanical properties. The laboratories within Gwangju Institute of Science and Technology, South Korea and Swansea University, Wales were equipped for the scope of this research work. Research focused on the extraction of microbial DNA obtained from fouling layers on the surface of Reverse Osmosis Membranes obtained from the Fujairah Water and Power Plant, UAE. The use of the culture independent method of the molecular technique based on the 16S rDNA sequence and constructed gene libraries, was then used to determine the bacterial species that caused significant fouling on the RO membrane. Four bacterial species isolated from the fouling layer from the RO membrane were characterised in terms of electrophoretic mobility and zeta potential to determine the cell surface charge within various industrial relevant environments for the elucidation of cell adhesion mechanisms to the membrane surface. AFM images of virgin and fouled membranes were obtained and analysed to reveal the roughness of the surface which could influence fouling and the surface charge of the membranes were measured through the method of streaming potential at various industrial relevant environments to further elucidate the mechanisms of cell adhesion to the membrane surface. Force measurements were performed to reveal the adhesion force and elasticity values of virgin, process fouled and purposely fouled with the four bacterial isolates, to determine process behaviour in various environmental conditions. Through this research and future work, it is hoped that a rational strategy for economic and effective cleaning processes will be developed which will maintain efficient membrane operation and prolong membrane life, thus enabling the reduction of operating costs of such processes.

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Sinske, Stefan (Stefan Andreas). « A spatial decision support system for pipe break susceptibility analysis and impact assessment of municipal water distribution systems ». Thesis, Stellenbosch : Stellenbosch University, 2002. http://hdl.handle.net/10019.1/52697.

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Dissertation (PhD)--Stellenbosch University, 2002.
ENGLISH ABSTRACT: Municipal water distribution maintenance is very important for sustainable urban development. Water pipe breaks result not only in a disruption in service but also in significant loss of water, which otherwise could have been sold to the consumer. In countries where water is scarce, such as South Africa, water losses can be detrimental to the living standard of people. Water pipe breaks can furthermore cause extensive damage to nearby lower-lying properties. Existing decision support systems available in the field of water distribution system maintenance are mainly focused on leak detection and pipe rehabilitation/replacement strategy. These existing systems, however, do not address the actual causes of pipe breaks and pipe break impact is also not supported. The aim of this research is to develop a spatial decision support system (SDSS) for pipe break susceptibility analysis and impact assessment. The engineer (or public works administrator) can apply the SDSS to model the complex pipe break phenomena in the municipal water distribution system. The SDSS can identify pipes susceptible to breaking and pipes with potentially high break impact as far as water loss and damage caused to nearby property are concerned. This combined pipe break susceptibility analysis and potential impact assessment should promote more informed decision-making on preventative maintenance measures to be taken and their prioritisation. The dissertation consists offive parts. In the first part (Chapters 1-4) theories on information systems, fuzzy logic, object-oriented modelling, Unified Modelling Language (UML) and pipe break causes are presented. This literature review provides a basis on which the SDSS for pipe break susceptibility analysis and impact assessment can be developed. In the second part (Chapter 5) the general user requirements and design of the SDSS are given. The general SDSS architecture, the general system functionality and the user interface are described and designed in this part of the dissertation. The third part (Chapter 6) provides the detailed user requirements and design of the subsystems of the SDSS. Specialised functionality for pipe break susceptibility analysis and impact assessment is added to the general design of the SDSS. Subsystems are designed for analysing the pipe break susceptibility due to age, air-pocket formation and tree-root attack. Pipe break impact assessment subsystems are also designed for assessing water loss and potential damage caused to nearby property. Finally, a combined analysis subsystem is designed for combined pipe break susceptibility analysis and impact assessment. In the fourth part (Chapter 7), the SDSS is applied to the water distribution system of the Paarl Municipality to identify pipes in the network that have both high break susceptibility and also high break impact. The pipe break susceptibility analysis model of the SDSS is also tested and calibrated by comparing the model results with actual pipe break occurrence data of the study area. The final chapter (Chapter 8) contains the summary and recommendations regarding the functionality of the newly developed SDSS.
AFRIKAANSE OPSOMMING: Die instandhouding van munisipale waterverspreidingstelsels is uiters belangrik vir volhoubare stedelike ontwikkeling. Waterpypbreuke lei nie alleenlik tot onderbreking in diensverskaffing nie, maar ook tot beduidende waterverlies en verlies aan inkomste uit waterverkope. In lande waar water skaars is, soos in Suid-Afrika, kan waterverliese die lewenstandaard van die bevolking nadelig beïnvloed. Waterpypbreuke kan ook groot skade aan naby-geleë laag-liggende eiendomme aanrig. Besluitnemingstelsels tans beskikbaar op die gebied van instandhouding van waterverspreidingstelsels is hoofsaaklik gerig op lekkasie-opsporing en pyprehabilitasie- en pypvervangingstrategieë. Hierdie bestaande stelsels spreek egter nie die eintlike oorsake van pypbreuke aan nie, daar word ook nie op die impak van pypbreuke ingegaan nie. Die doelwit van hierdie navorsing is om 'n ruimtelike besluitnemingstelsel (RBS) - vir pypbreuk-risiko-analise en impakberaming te ontwikkel. Die ingenieur (of stelselbestuurder) kan met behulp van die RBS die komplekse pypbreukverskynsel in 'n munisipale waterverspreidingstelsel modelleer. Die RBS kan pype met hoë breek-potensiaal identifiseer asook pype wat, indien dit breek, groot waterverlies of skade aan naby-geleë eiendomme sal veroorsaak. Hierdie gekombineerde pypbreuk-risiko-analise en impakberaming behoort meer oordeelkundige besluitneming te bevorder deur beter prioritisering van voorkomende instandhoudingsmaatreëls en die uitvoering daarvan. Die proefskrif bestaan uit vyf dele. In die eerste deel (Hoofstukke 1-4) word die teorieë oor inligtingstelsels, 'fuzzy logic', objek-georiënteerde modellering, 'unified modelling language (UML)' en die oorsake van pypbreuke behandel. Hierdie literatuurstudie skep die basis waaruit die RBS vir pypbreukrisikobepaling en impakberaming ontwikkel sal word. In die tweede deel (Hoofstuk 5) word die algemene gebruikersbehoeftes en die ontwerp van die RBS uiteengesit. Die algemene RBS struktuur en die gebruikerskoppelvlak word in hierdie deel van die proefskrif beskryf en ontwerp. In die derde deel (Hoofstuk 6) word die gedetailleerde gebruikersbehoeftes en die ontwerp van die substelsels van die RBS uiteengesit. Gespesialiseerde funksionaliteit vir pypbreuk-risikobepaling en impakberaming is tot die algemene ontwerp van die RBS bygevoeg. Substelsels is ontwerp vir die ontleding van pypbreuk-risiko as gevolg van ouderdom, lugblaas-vorming en boomwortelaanval. Substelsels vir impakberaming is ook ontwerp om waterverlies en potensiële skade aan eiendomme vas te stel. Ten slotte word 'n gekombineerde ontledingsubstelsel vir gekombineerde pypbreuk-risikobepaling en impakberaming opgestel. In die vierde deel (Hoofstuk 7) word die RBS toegepas op die waterverspreidingstelsel van die Paarlse munisipaliteit om pype uit te ken wat beide 'n hoë breuk-risiko en 'n hoë breuk-impak bevat. Die pypbreuk-analise model van die RBS is ook getoets en gekalibreer deur die resultate van die model te vergelyk met data van werklike pypbreuke in die studiegebied. Die laaste hoofstuk (Hoofstuk 8) bevat die samevatting en die aanbevelings rakende die funksionaliteit van die voorgestelde RBS.

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Santos, William O. « An analysis of the prediction accuracy of the U.S. Navy repair turn-around time forecast model ». Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2003. http://library.nps.navy.mil/uhtbin/hyperion-image/03Jun%5FSantos.pdf.

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Thesis (M.S. in Operations Research)--Naval Postgraduate School, June 2003.
Thesis advisor(s): Robert A. Koyak, Samuel E. Buttrey. Includes bibliographical references (p. 55). Also available online.

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De, Wet Vorster Hendrik. « An analysis of the effectiveness of the asset maintenance plan at Spoornet : case study : class diesel locomotives (traction and rolling stock) ». Thesis, Peninsula Technikon, 2001. http://hdl.handle.net/20.500.11838/1019.

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Thesis (MTech (Business Administration))--Peninsula Technikon, 2001
Maintenance of locomotives is the main function of Bellville Locomotive Traction Depot in the Western Cape. Therefore, it is important to have a sound maintenance plan in place, to prevent a negative impact on the availability and reliability of locomotive supply for hauling power to train services. The purpose of the research is to determine the causes of the increased frequency of maintenance through a case study relating to 35-class locomotives. The abnormal increased frequency of wheel change and inter-bogie control repairs on 35-class diesel locomotives is investigated. A research survey was adopted, which included questionnaires and personal interviews based on the literature search. The target group is L&N section, which includes below-deck maintenance, overhaul and change out, repairs to locomotive bogies, frames, wheels, snubbers, inter-bogie control and traction motors. Sixteen people are responsible for all below-deck repairs and service of 52 locomotives. The results of the research will expose the shortcomings of the maintenance plan and propose solutions. This will be achieved by testing the effectiveness of the existing maintenance plan at Spoornet through the identification of the causes for the abnormal increase in wheel changes and inter-bogie control repairs on 35-class diesel locomotives. The outcome from this case study research will be to quantify the benefits arising from the effective application of a maintenance plan.

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Doyle, Leo F. « A guide for the selection and maintenance of computer peripherals ». Virtual Press, 1991. http://liblink.bsu.edu/uhtbin/catkey/834517.

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This thesis is a resource document for computer information that is not presently available as a single unit. It describes most of the commonly available computer peripherals and some not-so-common ones from the micro, mini, and mainframe computer worlds. Physical descriptions, methods of operation, trouble shooting, maintenance, and some schematics and future trends are covered. A few older devices having historical significance are also discussed.By knowing where the computer industry is currently and seeing where it has been hardware-wise, it should be possible to project the direction in which the computer industry is headed. People in the computer profession and people that use computers need to be educated about peripheral devices so that they may make informed decisions on which equipment to acquire and in planning for the future. This thesis should be a valuable aid in this process. The information presented should save time and money during the decision-making process and lead to more effective choices of equipment.
Department of Computer Science

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Qweleka, Sazile. « The factors that hinder the overall equipment effectiveness at Ford Struandale Engine Plant ». Thesis, Nelson Mandela Metropolitan University, 2009. http://hdl.handle.net/10948/1163.

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This treatise investigates the underlying factors that are hindering the improvement of Overall Equipment Effectiveness at the Ford Struandale Engine Plant. In January of 2008 the Ford Motor Company announced plans to invest more than R1.5 billion to expand operations for the production of Ford's next-generation compact pickup truck and the PUMA diesel engine. Ford will use the investment to expand operations both in Silverton for the production of 75 000 units of a new bakkie and in Port Elizabeth for 220 000 units of its new-generation PUMA diesel engines (http://www.autoblog.com /2008/01/31/ford-to-invest-209m-in-south-africa-for-new-ranger-pickup/). Only five Ford plants globally will be producing the PUMA engine (Turkey, UK, Thailand, Argentina and South Africa – Ford Struandale Engine Plant). The Ford Struandale Engine Plant will be the only plant which will have the I4 assembly, I5 assembly and 3C (Crank, Cylinder Block, and Cylinder Head) machining and the expectations of operating in a lean environment is high. The management team at the Ford Struandale Engine Plant needs to understand what the underlying factors that are hindering the improvement of Overall Equipment Effectiveness of the plant or, in other words, they need to be informed of the total benefits of TPM. A literature review was conducted to determine what the theory reveals about Overall Equipment Effectiveness, the three factors of OEE (Availability, Performance Efficiency, and Quality), the influence of Six Big Losses on each of the factors and the role of Total Productive Maintenance in improving OEE by eliminating these Six Big Losses. A Ford literature study was conducted to reveal the current literature being applied at Ford. This was then followed by an empirical survey conducted within the Ford Struandale Engine Plant. In addition, a task team formed to analyse the current maintenance operating strategy. Finally, the findings from discussions with the task team, the empirical survey, Ford Struandale Engine Plant literature survey and a general literature survey were amalgamated to draw conclusions relating to the Ford Struandale Engine Plant. These conclusions indicate what the underlying factors are that are hindering the improvement of Overall Equipment Effectiveness of the Ford Struandale Engine Plant facilities and equipment. Then recommendations are made as to how the Ford Struandale Engine Plant can improve the Overall Equipment Effectiveness of its facilities and equipment.

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Collins, Fred C. « Evaluation of a repairable equipment population system and its logistics support subsystem ». Thesis, This resource online, 1992. http://scholar.lib.vt.edu/theses/available/etd-10062009-020124/.

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Moore, Thomas P. « Optimal design, procurement and support of multiple repairable equipment and logistic systems ». Diss., Virginia Polytechnic Institute and State University, 1986. http://hdl.handle.net/10919/71158.

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A concept for the mathematical modeling of multiple repairable equipment and logistic systems (MREAL systems) is developed; These systems consist of multiple populations of repairable equipment, and their associated design, procurement, maintenance, and supply support. MREAL systems present management and design problems which parallel the·management and design of multiple, consumable item inventory systems. However, the MREAL system is more complex since it has a repair component. The MREAL system concept is described in a classification hierarchy which attempts to categorize the components of such systems. A specific mathematical model (MREAL1) is developed for a subset of these components. Included in MREAL1 are representations of the equipment reliability and maintainability design problem, the maintenance capacity problem, the retirement age problem, and the population size problem, for each of the multiple populations. MREAL1 models the steady state stochastic behavior of the equipment repair facilities using an approximation which is based upon the finite source, multiple server queuing system. System performance measures included in MREAL1 are: the expected MREAL total system life cycle cost (including a shortage cost penalty); the steady state expected number of shortages; the probability of catastrophic failure in each equipment population; and two budget based measures of effectiveness. Two optimization methods are described for a test problem developed for MREAL1. The first method computes values of the objective function and the constraints for a specified subset of the solution space. The best feasible solution found is recorded. This method can also examine all possible solutions, or can be used in a manual search. The second optimization method performs an exhaustive enumeration. of the combinatorial programming portion of MREAL1, which represents equipment design. For each enumerated design combination, an attempt is made to find the optimal solution to the remaining nonlinear discrete programming problem. A sequential unconstrained minimization technique is used which is based on an augmented Lagrangian penalty function adapted to the integer nature of MREAL1. The unconstrained minimization is performed by a combination of Rosenbrock's search technique, the steepest descent method, and Fibonacci line searches, adapted to the integer nature of the search. Since the model contains many discrete local minima, the sequential unconstrained minimization is repeated from different starting solutions, based upon a heuristic selection procedure. A gradient projection method provides the termination criteria for each unconstrained minimization.
Ph. D.

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Reasor, Roderick. « A decision support system for integrated design analysis of a repairable item and it's logistic support system ». Diss., This resource online, 1990. http://scholar.lib.vt.edu/theses/available/etd-07102007-142510/.

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Livres sur le sujet "Equipment and supplies - Maintenance and repair"

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K, Geitner Fred, dir. Major process equipment maintenance and repair. Houston, Tex : Gulf Pub. Co., 1985.

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K, Geitner Fred, dir. Major process equipment maintenance and repair. 2^e éd. Houston, Tex : Gulf Pub. Co., 1997.

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Greaves, Roland E. The commercial food equipment repair and maintenance manual. New York : CBI, 1987.

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Seth, Masia, dir. Alpine ski maintenance and repair. Chicago : Contemporary Books, 1987.

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Masia, Seth. Cross-country ski maintenance and repair. Chicago : Contemporary Books, 1987.

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Corporation, National Learning. Toll equipment maintenance supervisor. Syosset, NY : National Learning Corp., 1989.

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Lenk, John D. Complete guide to telephone equipment troubleshooting and repair. Englewood Cliffs, N.J : Prentice-Hall, 1987.

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Chambers, Jane. Bicycle repair made easy. Westlake Village, CA : Silvermine Video, 2008.

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Schmidt, Cheryl Ann. The complete computer repair textbook. 2^e éd. El Granada, CA : Scott/Jones Inc., 2000.

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Nigel, Calder. Refrigeration for pleasureboats : Installation, maintenance, and repair. Camden, Me : International Marine Pub., 1991.

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Chapitres de livres sur le sujet "Equipment and supplies - Maintenance and repair"

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Bailey, Harold, et David Hancock. « Maintenance, Repair and Fixing Equipment ». Dans Brickwork 3 and Associated Studies, 84–98. London : Macmillan Education UK, 1990. http://dx.doi.org/10.1007/978-1-349-11381-1_7.

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Nechval, Nicholas, Maris Purgailis, Kaspars Cikste, Gundars Berzins, Uldis Rozevskis et Konstantin Nechval. « Prediction Model Selection and Spare Parts Ordering Policy for Efficient Support of Maintenance and Repair of Equipment ». Dans Analytical and Stochastic Modeling Techniques and Applications, 321–38. Berlin, Heidelberg : Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-13568-2_23.

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Bloch, Heinz P., et Fred K. Geitner. « Repair and maintenance of rotating equipment components ». Dans Machinery Component Maintenance and Repair, 449–518. Elsevier, 2019. http://dx.doi.org/10.1016/b978-0-12-818729-6.00008-3.

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« Repair and Maintenance of Rotating Equipment Components ». Dans Machinery Component Maintenance and Repair, 447–500. Elsevier, 2005. http://dx.doi.org/10.1016/s1874-6942(05)80023-9.

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Stewart, Maurice, et Oran T. Lewis. « Tubular Heat Exchanger Inspection, Maintenance, and Repair ». Dans Heat Exchanger Equipment Field Manual, 253–419. Elsevier, 2013. http://dx.doi.org/10.1016/b978-0-12-397016-9.00003-8.

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Gupta, Shakti. « Chapter-23 Hospital Equipment Repair and Maintenance ». Dans Hospital Stores Management, 137–40. Jaypee Brothers Medical Publishers (P) Ltd., 2000. http://dx.doi.org/10.5005/jp/books/10360_23.

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Groh, Heinrich. « Inspection, maintenance and repair of explosion protected equipment ». Dans Explosion Protection, 472–84. Elsevier, 2004. http://dx.doi.org/10.1016/b978-075064777-9/50011-x.

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Bloch, Heinz P., et Fred K. Geitner. « Repair and Maintenance of Mechanical Seals and Rotating Equipment Components ». Dans Practical Machinery Management for Process Plants, 430–86. Elsevier, 1990. http://dx.doi.org/10.1016/b978-0-08-051057-6.50012-9.

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CURRELL, G., R. M. MUNAVU, D. G. RIVERS et P. K. SRIVASTAVA. « The Maintenance and Repair of Scientific Equipment used in Tertiary Education : An ICSU Initiative ». Dans Education, Industry and Technology, 313–17. Elsevier, 1987. http://dx.doi.org/10.1016/b978-0-08-033913-9.50069-5.

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dit Bouran Sidibe, Ibrahima, Imene Djelloul, Abdou Fane et Amadou Ouane. « Optimal Maintenance Policy for Second-Hand Equipments under Uncertainty ». Dans Practical Applications in Reliability Engineering. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.96230.

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This chapter addresses a maintenance optimization problem for re-manufactured equipments that will be reintroduced into the market as second-hand equipments. The main difference of this work and the previous literature on the maintenance optimization of second-hand equipments is the influence of the uncertainties due to the indirect obsolescence concept. The uncertainty is herein about the spare parts availability to perform some maintenance actions on equipment due to technology vanishing. The maintenance policy involves in fact a minimal repair at failure and a preventive repair after some operating period. To deal with this shortcoming, the life cycle of technology or spare parts availability is defined and modeled as a random variable whose lifetimes distribution is well known and Weibull distributed. Accordingly, an optimal maintenance policy is discussed and derived for such equipment in order to overcome the uncertainty on reparation action. Moreover, experiments are then conducted and different life cycle of technologies are evaluated according to their obsolescence processes (accidental or progressive vanishing) on the optimal operating condition.

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Actes de conférences sur le sujet "Equipment and supplies - Maintenance and repair"

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Narcus, Andrew R., John W. Appleby et Russell B. Jones. « The Effects of Component Defects on Utility Gas Turbine Operational Risk and Mitigation Practices ». Dans ASME Turbo Expo 2014 : Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/gt2014-26052.

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Component deterioration is observed in fleet gas turbine units during overhaul and maintenance activities of utilities providing electric power, co-generation or mechanical drive operations. Affected components include those provided by Original Equipment Manufacturers (OEM) and newly-manufactured and repaired hardware from OEM or aftermarket suppliers. This study details: i) the gas turbine flow path component deterioration and distress typically observed from operation, ii) some of the typical reasons (expected and abnormal) for the component damages, iii) the resulting effects and detriment to the utilities, and iv) a means for reducing the potential for component damages and operational risk to the utilities. Abnormal gas path component deterioration is one of the leading causes for forced opening of IGT units. Unscheduled opening of production gas turbine units during normal and critical operating time periods can result in significant costs to the utilities and insurance providers due to unplanned overhaul and maintenance costs, replacement components costs, and lost production revenue during the outage. Often the majority of the premature component deterioration within a set can be attributed to the quality of manufacturing or repair processing and inadequate inspections of the components. Escapes in quality assurance can occur resulting in components being supplied to utilities that do not meet design intent, such as debris contamination, coatings issues, and mis-machined features. Additionally, component suppliers are often pressured to meet production deadlines and provide delivery of the components to the utilities to avoid contractual penalties. This scenario can result in the potential for reduced focus on the quality of the components and quality-control escapes of design-deviated components delivered to the utilities for unit operation. Any uncontrolled deviations, damage, and discrepancies that result from hardware manufacturing and repair processes can have a significant impact on the long term durability of turbomachinery components. These component “damages” and manufacturing defects can be reduced or eliminated through proper functional quality inspections and component assessment, prior to unit installation. Additional issues concerning, improper tooling and methods employed during component removal and re-installation during maintenance activity can also result in damage to components and premature deterioration. This study focuses on how utilities can perform or audit the functional checks on components prior to unit installation in an effort to reduce component degradation, operational risk and potential of forced outage of units resulting in additional maintenance costs and lost revenue.

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Herman, Alan L. « Equipment Maintenance and Repair Management ». Dans 36th Annual Earthmoving Industry Conference. 400 Commonwealth Drive, Warrendale, PA, United States : SAE International, 1985. http://dx.doi.org/10.4271/850759.

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Burkett, Eldon L. « Plating Shop Personnel Personal Protective Equipment ». Dans Airframe Finishing, Maintenance & Repair Conference & Exposition. 400 Commonwealth Drive, Warrendale, PA, United States : SAE International, 1990. http://dx.doi.org/10.4271/900966.

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Monnot, John P. « User's Perspective-Equipment Maintenance and Repair Management ». Dans 36th Annual Earthmoving Industry Conference. 400 Commonwealth Drive, Warrendale, PA, United States : SAE International, 1985. http://dx.doi.org/10.4271/850758.

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Cottin, Olivier, et Xavier Lefebvre. « Inspection, Maintenance and Repair of ATEX Equipment ». Dans 2007 4th European Conference on Electrical and Instrumentation Applications in the Petroleum & Chemical Industry. IEEE, 2007. http://dx.doi.org/10.1109/pciceurope.2007.4354017.

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Yuan, Dan. « Problems in Substation Equipment Maintenance and Repair ». Dans 2015 4th National Conference on Electrical, Electronics and Computer Engineering. Paris, France : Atlantis Press, 2016. http://dx.doi.org/10.2991/nceece-15.2016.249.

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McKeown, Kathleen, et Steven Feiner. « Interactive multimedia explanation for equipment maintenance and repair ». Dans the workshop. Morristown, NJ, USA : Association for Computational Linguistics, 1991. http://dx.doi.org/10.3115/112405.1138650.

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McKeown, Kathleen, et Steven Feiner. « Interactive multimedia explanation for equipment maintenance and repair ». Dans the workshop. Morristown, NJ, USA : Association for Computational Linguistics, 1990. http://dx.doi.org/10.3115/116580.1138598.

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McKeown, Kathleen, et Steven Feiner. « Interactive multimedia explanation for equipment maintenance and repair ». Dans the workshop. Morristown, NJ, USA : Association for Computational Linguistics, 1990. http://dx.doi.org/10.3115/116580.116599.

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Zhao, Yongjun, Vitali Volovoi, Mark Waters et Dimitri Mavris. « A Sequential Approach for Gas Turbine Power Plant Preventive Maintenance Scheduling ». Dans ASME 2005 Power Conference. ASMEDC, 2005. http://dx.doi.org/10.1115/pwr2005-50131.

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Traditionally the gas turbine power plant preventive maintenances are scheduled with constant maintenance intervals based on recommendations from the equipment suppliers. The preventive maintenances are based on fleet wide experiences, and they are scheduled in a one-size-fit-all fashion. However, in reality, the operating conditions for each gas turbine may vary from site to site, and from unit to unit. Furthermore, the gas turbine is a repairable deteriorating system, and preventive maintenance usually restores only part of its performance. This suggests the gas turbines need more frequent inspection and maintenance as it ages. A unit specific sequential preventive maintenance approach is therefore needed for gas turbine power plants preventive maintenance scheduling. Traditionally the optimization criteria for preventive maintenance scheduling is usually cost based. In the deregulated electric power market, a profit based optimization approach is expected to be more effective than the cost based approach. In such an approach, power plant performance, reliability, and the market dynamics are considered in a joint fashion. In this paper, a novel idea that economics drive maintenance expense and frequency to more frequent repairs and greater expense as the equipment and components age is introduced, and a profit based unit specific sequential preventive maintenance scheduling methodology is developed. To demonstrate the feasibility of the proposed approach, this methodology is implemented using a base load combined cycle power plant with single gas turbine unit.

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Rapports d'organisations sur le sujet "Equipment and supplies - Maintenance and repair"

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CORPS OF ENGINEERS WASHINGTON DC. Maintenance of Supplies and Equipment : Materiel Maintenance Policies. Fort Belvoir, VA : Defense Technical Information Center, février 1999. http://dx.doi.org/10.21236/ada404386.

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ARMY MATERIEL COMMAND ALEXANDRIA VA. Maintenance of Supplies and Equipment, Guide to Reliability-Centered Maintenance. Fort Belvoir, VA : Defense Technical Information Center, juin 1985. http://dx.doi.org/10.21236/ada170938.

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