Tesis sobre el tema "Operation and maintenance policy"
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Martinod, Restrepo Ronald Mauricio. "Politiques d’exploitation et de maintenance intégrées pour l’optimisation économique, sociétale et environnementale des systèmes de transports urbains interconnectés". Electronic Thesis or Diss., Université de Lorraine, 2021. http://www.theses.fr/2021LORR0069.
Texto completoUrban public transport systems influence the infrastructure of urban areas and the lives of their inhabitants while directly stimulating the economy. Intelligent urban public transport systems help to improve the quality of life and the environment in cities. The rapid development of urban transport solutions has led to a large number of operators entering the market, thus preventing a global optimum. These discrete optimisations, without any articulation between transport operators, avoid the identification of a global optimum. As a result, the inefficient operation of urban public transport systems does not necessarily reduce the environmental cost. To address these challenges, this thesis proposes a methodology associated with mathematical models developing optimisation approaches for multimodal public transport networks, for achieving the best service policy while minimising operation costs in order to satisfy the principle of sustainability, frequently expressed in urban development goals
Onyenanu, Tochukwu Emmanuel. "An improved maintenance management strategy for gas field equipment in Escravos gas–to–liquid plant, Nigeria / T.E. Onyenanu". Thesis, North-West University, 2010. http://hdl.handle.net/10394/4894.
Texto completoThesis (M.Ing. (Development and Management Engineering))--North-West University, Potchefstroom Campus, 2011.
Ye, Jacqueline Ming-Shih. "Improving maintenance operation through transformational outsourcing". Thesis, Massachusetts Institute of Technology, 2007. http://hdl.handle.net/1721.1/39682.
Texto completoIncludes bibliographical references (p. 40-42).
Outsourcing maintenance to third-party contractors has become an increasingly popular option for manufacturers to achieve tactical and/or strategic objectives. Though simple in concept, maintenance outsourcing is difficult in execution, especially in a cost-sensitive environment. This project examines the Full Service business under ABB Ltd to understand the key factors that drive the success of an outsourced maintenance operation. We present a qualitative causal loop diagram developed based on the case study of Kinleith Pulp and Paper Mill in New Zealand. The diagram describes the interconnections among various technical, economic, relationship, and humanistic factors and shows how cost-cutting initiatives can frequently undermine labor relationship and tip the plant into the vicious cycle of reactive, expensive work practices. The model also explains how Kinleith achieved a remarkable turnaround under ABB, yielding high performance and significant improvements in labor relations. A case study of Tasman Pulp and Paper Mill provides a contrasting case where success has been more difficult. Results point to the importance of creating sufficient resources ("slack") to implement improvement activities and pace implementation based on pre-existing dynamics on site.
by Jacqueline Ming-Shih Ye.
S.M.
M.B.A.
Aryee, Susan. "HOTEL MAINTENANCE MANAGEMENT : Strategic practices in hotel operation". Thesis, KTH, Bygg- och fastighetsekonomi, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-48230.
Texto completoGuo, Nan. "Improving the operation and maintenance of CSO structures". Thesis, University of Sheffield, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.548380.
Texto completoBaker, Carol. "Operation, administration and maintenance in all optical networks". Master's thesis, University of Cape Town, 2001. http://hdl.handle.net/11427/5240.
Texto completoThe phenomenal growth rate of Internet traffic as well as the increasing demand for high bandwidth services such as video-on-demand (VoD), high definition TV (HDTV), video-conferencing etc., have created a new networking environment in which flexibility, scalability and high bandwidth capacity are of utmost importance. All Optical Networks has emerged as a promising technology to deliver the high capacity demands of current and envisaged future applications.
Farrell-Poe, Kitt. "Operation and Maintenance Tips for Your Septic System". College of Agriculture and Life Sciences, University of Arizona (Tucson, AZ), 2010. http://hdl.handle.net/10150/146410.
Texto completoOriginally published: 2000
Properly sited, designed, constructed, and maintained septic systems can provide an efficient and economical wastewater treatment alternative to public sewer systems. Onsite/septic system owners need information on how septic systems work, how to maintain them, and precautions to take to decrease the potential for the septic system to contaminate groundwater or surface water. This publication provides operation and maintenance tips for managing your septic system.
Addo, Lee Nii Noi 1972. "Procurement strategies for long-term control, operation and maintenance". Thesis, Massachusetts Institute of Technology, 1997. http://hdl.handle.net/1721.1/10195.
Texto completoDinwoodie, Iain. "Modelling the operation and maintenance of offshore wind farms". Thesis, University of Strathclyde, 2014. http://oleg.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=24845.
Texto completoJohannesson, Linus. "A case study on age maintenance policy". Thesis, Växjö University, School of Mathematics and Systems Engineering, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:vxu:diva-6430.
Texto completoSyftet med denna uppsats är att undersöka en komponents optimala utbyts" tid med hänsyn till kostnad och risk, och föreslå schemalagda underhåll, med hjälp av statistiska metoder. Genom att använda statistiska verktyg och historiska data, kan en komponents samt systemets brister predikteras. När forskaren vet hur ett system beter sig, kan dess fördelar exploateras och tas till vara på. Schemaläggning av förebyggande service, kostnads prognoser samt uppskattning av förlängda garantier är möjliga fördelar som kan nyttjas av denna rapport. Detta medför en högre tillgänglighet och förbättrat rykte hos kund. Tillförlitligthet teori är en viktigt del av Total Quality Management, TQM, som säkerhetsställer kvalité. I denna uppsats jämförs, förklaras och verifieras 2 kända ARP, och strategin att ersätta endast då komponenten går sönder i en fallstudie. Denna uppsats indikerar att en ARP med ändlig horisont ger mer optimalta resultat än en ARP med oändlig horisont eller då ingen utbytespolicy används. Barlow \& Proschan visade detta redan 1962. I denna uppsats påvisas att ARP-teorier kan minska omkostnader och stilleståndstid samt öka tillgängligheten.
The purpose of this thesis is to examine when a part's optimal replacement time occurs in terms of risk and cost, and provide maintenance plans accordingly using statistical methods. With the use of statistical tools and historical data, the failures of components as well as the system can be predicted. Once the researcher knows how the system behaves, he/she can reveal the gains that can be made. Scheduling of preventive maintenance, improved warranty cost forecasts and estimation of lengthened warranty costs are plausible benefits from this report. This will further result in higher availability and improved reputation among clients. Reliability theory is an important part of Total Quality Management (TQM), ensuring good quality. This thesis will compare the differences between two known age replacement policies (ARP), and with the strategy of replacing only on failures in a real case-study. This thesis indicates that an ARP with finite horizon yields a more optimal solution than an ARP with infinite horizon as well as using no replacement policy at all. Barlow & Proschan established this as far back as 1962. With the aid of ARP theories it has been shown in this thesis that lowering costs is possible and in the progress lower downtime which increases availability.
Henriksson, Lovisa. "Optimal Maintenance and Operation Scheduling Using Mixed Integer Linear Programming : A Method to Automatize Maintenance Planning". Thesis, KTH, Optimeringslära och systemteori, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-257889.
Texto completoI många tekniska system är en viktig faktor att ha tillgänglig utrustning vid behov. För att undvika oväntade driftavbrott görs regelbundet förebyggande underhåll av utrustningen och underhållsplanering är nödvändigt för att upprätthålla ett effektivt fungerade system till optimal kostnad. I den här studien används linjär blandad heltalsprogrammering (MILP) för att optimera förebyggande underhålls- och driftplanering för en generell flotta av utrustning. Underhållskraven består av mixade kalender- och driftbaserade villkor. Underhåll av hierarkisk typ är också hanterat. Målet är att minimera antalet underhållstillfällen. Jämn drift och spridning i planerade underhåll är också önskat. Resultaten visar att det är möjligt att optimera förebyggande underhålls- och driftscheman med MILP. Det finns vissa begränsningar i storlek, beroende på vilka bivillkor som är inkluderade och parametervärden. Storleksbegränsningar kan hanteras med stegvisa beräkningar, manuell manipulering av resultaten, eller om tillräckliga slutvillkor kan erhållas, uppdelning av planeringsperioden.
Lundberg, Kristina. "Rail operation and maintenance in an environmental management system context". Licentiate thesis, KTH, Land and Water Resources Engineering, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-248.
Texto completoThe Swedish National Rail Administration, Banverket, has the overarching sector responsibility for Swedish railways, including a responsibility for implementing and managing the government decision for an ecologically sustainable development. In support of achieving ecologically sustainable development and fulfilment of the national environmental objectives and environmental legislation, Banverket initiated the implementation of an Environmental Management System (EMS) in 1998. The overall aim of this thesis is to examine the EMS applied at Banverket with regard to the identification and monitoring of environmental aspects at the administrative Railway Regions of Banverket. The analysis is based on a qualitative approach comprising questionnaires, interviews, document analysis and participating observations.
Areas for potential improvements are identified. A more stringent use of the EMS is needed in the organisation. Furthermore, a link between activity, aspect and impact when identifying environmental aspects would improve the procedure. Like in other public organisations, the monitoring of environmental aspects at Banverket is insufficient. Introducing indicators and integrating different Government requirements for environmental monitoring into one system, using EMS as a tool would make the system more effective. In the thsesis a framework is proposed for the identification of environmental aspects pertaining to operation and maintenance at Banverket. This framework has an input–output perspective and provides a clear connection between activity, aspect and impact. Furthermore, by establishing the framework on a system used mainly for environmental performance evaluation, a better connection between the identification and monitoring of aspects is created, possibly improving both processes. The framework for the identifica-tion of environmental aspects, as proposed in the thesis, could also be modified and applied in other organisations.
A major conclusion of the study is that the EMS applied at Banverket, in its present form, is not an effective environmental management tool for achieving ecologically sustainable development within the rail sector. Adapted methods for identification and monitoring of environmental aspects for public organisations such as Banverket would facilitate the application of EMS and increase its effectiveness as an environmental tool.
Stenström, Christer. "Operation and maintenance performance of rail infrastructure : Model and Methods". Doctoral thesis, Luleå tekniska universitet, Drift, underhåll och akustik, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-26302.
Texto completoGodkänd; 2014; 20140904 (chrste); Nedanstående person kommer att disputera för avläggande av teknologie doktorsexamen. Namn: Christer Stenström Ämne: Drift och underhållsteknik/Operation and Maintenance Uppsats: Operation and Maintenance Performance of Rail Infrastructure Model and Methods Opponent: Professor Rommert Dekker, Director of the Econometrics Institute, Erasmus University Rotterdam, Nederländerna Ordförande: Professor Uday Kumar, Institutionen för samhällsbyggnad och naturresurser, Luleå tekniska universitet Tid: Tisdag den 11 november 2014 kl 10.00 Plats: F1031, Luleå tekniska universitet
Melnychenko, Oleksandr y Ruslan Kostyrko. "Integrated reporting - a tool for the companies’ responsible operation maintenance". Thesis, National Aviation University, 2021. https://er.nau.edu.ua/handle/NAU/54616.
Texto completoIt has been specified that changes in the corporate governance paradigm and the interests of stakeholders determine the transformation of corporate reporting. The roadmaps for solving the problem of integrated reporting generation and analysis for the purposes of different users’ information requests were offered.
Iyer, Prasad. "The Effect of Maintenance Policy on System Maintenance and System Life-Cycle Cost". Thesis, Virginia Tech, 1999. http://hdl.handle.net/10919/31815.
Texto completoMaster of Science
Gjordeni, Kejsi y Ayca Kaya. "Digitizing the Maintenance Management Operation : Exploring the Opportunities of an Information System in a Railway Maintenance Organization". Thesis, KTH, Skolan för industriell teknik och management (ITM), 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-264090.
Texto completoDigitalisering har påverkat och transformerat företag över hela världen genom att erbjuda nya värdeproducerande möjligheter. För att bibehålla konkurrenskraft i en föränderlig omvärld måste järnvägsoperatörer transformera sina företag och förvärva nya digitala lösningar och verktyg kopplade till järnvägsteknologier. Genom att digitalisera informationsintensiva processer med hjälp av informationssystem, blir det möjligt för järnvägsföretag att minska förlust av drifttid samt minska den totala underhållskostnaden. Samtidigt har den begränsade forskningen gällande användning av informationssystem i underhållsorganisationer försvårat digitaliseringsförsöken. Litteratur och tidigare studier har behandlat de två ämnena separat, dock har överlappande forskning varit otillräcklig. Denna studie syftar till att bidra med kunskap för att överbrygga gapet i litteraturen genom att undersöka de vinningar en underhållsorganisation kan erhålla med hjälp av ett informationssystem och de framgångsfaktorer som krävs för att uppnå dem. Genom att utföra denna studie i samarbete med det svenska underhållsbolaget MTR Tech AB har de potentiella användningsområdena av ett informationssystem identifierats. De tre huvudsakliga affärsmöjligheterna som kan erhållas från ett informationssystem är: stödjande av felsökningsprocessen, bättre planering av avhjälpande underhåll, samt möjliggörandet av tillståndsbaserat underhåll. Samtidigt har det visat sig att lönsamheten av ett informationssystem är direkt kopplat till dess utnyttjandegrad. Vi har således dragit slutsatsen att den affärsmöjlighet som bör eftersträvas är den som med största sannolikhet kommer att genomföras framgångsrikt under rådande omständigheter. Slutligen visar våra resultat att de framgångsfaktorer som krävs för att uppnå affärsmöjligheterna är en dedikerad projektgrupp, tydlig kommunikation och informationsdelning, samt lämplig personal.
Cebola, Nuno M. F. "Investigating on-call work in rail infrastructure maintenance". Thesis, University of Nottingham, 2014. http://eprints.nottingham.ac.uk/14347/.
Texto completoVassiliadis, Constantine. "Integration of maintenance optimization in process design and operation under uncertainty". Thesis, Imperial College London, 2000. http://hdl.handle.net/10044/1/8590.
Texto completoRuiz, Cárcel Cristóbal. "Predictive condition monitoring of industrial systems for improved maintenance and operation". Thesis, Cranfield University, 2014. http://dspace.lib.cranfield.ac.uk/handle/1826/9305.
Texto completoMarie Curie
Saghatforoush, Ehsan. "Extension of constructability to include operation and maintenance for infrastructure projects". Thesis, Queensland University of Technology, 2014. https://eprints.qut.edu.au/70121/2/Ehsan_Saghatforoush_Thesis.pdf.
Texto completoDyer, Caroline. "Operation Blackboard : policy implementation in Indian elementary education". Thesis, University of Edinburgh, 1993. http://hdl.handle.net/1842/19709.
Texto completoCoulter, Keith (Keith Allan) Carleton University Dissertation Political Science. "Operation Eagle Claw: explaining a foreign policy failure". Ottawa, 1995.
Buscar texto completoTabikh, Mohamad y Ammar Khattab. "Scheduled maintenance policy for minimum cost : a case study". Thesis, Linnéuniversitetet, Institutionen för teknik, TEK, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-13668.
Texto completoKaryotakis, A. "On the optimisation of operation and maintenance strategies for offshore wind farms". Thesis, University College London (University of London), 2011. http://discovery.ucl.ac.uk/1302066/.
Texto completoRaymond, Scott P. "Operation and Maintenance Support Information (OMSI) creation, management, and repurposing with XML". Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2004. http://library.nps.navy.mil/uhtbin/hyperion/04Sep%5FRaymond.pdf.
Texto completoThesis Advisor(s): Daniel R. Dolk, Gordon H. Bradley. Includes bibliographical references (p. 119-120, 121-122). Also available online.
Murdock, William P. "Component availability for an age replacement preventive maintenance policy". Diss., This resource online, 1995. http://scholar.lib.vt.edu/theses/available/etd-06062008-155245/.
Texto completoDaheshpour, Kasra. "Network level decision support system to assess railway track maintenance needs". Thesis, University of Birmingham, 2018. http://etheses.bham.ac.uk//id/eprint/8164/.
Texto completoHughes, N. C. "Spanish international development co-operation : a policy network approach". Thesis, University of Sheffield, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.274955.
Texto completoGrunder, Henry Dale. "Overdue: A policy analysis of college library operation programs". W&M ScholarWorks, 1988. https://scholarworks.wm.edu/etd/1539618645.
Texto completoGraszi, Nassib Nadim y M. Zenkin. "Optimization of car operation and repair processes with use of remote electronic diagnostic systems". Thesis, Київський національний університет технологій та дизайну, 2019. https://er.knutd.edu.ua/handle/123456789/14598.
Texto completoWilhelm, John A. "Analysis of optimum depot level component replacement policy for retrograded M1 Abrams tanks". Thesis, Monterey, California : Naval Postgraduate School, 1990. http://handle.dtic.mil/100.2/ADA241240.
Texto completoThesis Advisor(s): Whitaker, Lyn R. Second Reader: Sovereign, Michael G. "September 1990." Description based on title screen as viewed on December 17, 2009. DTIC Identifier(s): Preventive Maintenance, Theses, M-1 Tanks, Optimal Replacement Time, Age Replacement Policy, RC-IRON (Reliability Centered-Inspect And Repair Only As Necessary). Author(s) subject terms: Age Replacement Policy, Optimal Replacement, Preventive Maintenance. Includes bibliographical references (p. 113-114). Also available in print.
Al-Hussein, Maria. "An information model to support maintenance and operation management of building mechanical systems". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/MQ59293.pdf.
Texto completoWildt, Stephen F. "Efficient use of resources in the Marine Corps Operation and Maintenance Fund account". Monterey, California. Naval Postgraduate School, 2006. http://hdl.handle.net/10945/10103.
Texto completoA descriptive analysis of resource utilization in the Operations and Maintenance Marine Corps (OandM, MC) account. This analysis is conducted by examining unliquidated orders and reverted balances in this account. "Reverted balances" is term used to describe resources that are potentially yielded back to the U. S. Treasury at the end of the five year expiration period for any appropriation. For purposes of familiarity and common language the terms "reverted" and "expired" will be used somewhat interchangeably with this understanding.
Uliczka, Helen. "Forest biodiversity maintenance : instruments and indicators in the policy implementation /". Uppsala : Dept. of Conservation Biology, Swedish Univ. of Agricultural Sciences, 2003. http://epsilon.slu.se/s291.pdf.
Texto completoAramon, Bajestani Maliheh. "Integrating Maintenance Planning and Production Scheduling: Making Operational Decisions with a Strategic Perspective". Thesis, 2014. http://hdl.handle.net/1807/65637.
Texto completoHer, Chorng-Yih y 何崇溢. "Study of Maintenance Operation Planning of System". Thesis, 1995. http://ndltd.ncl.edu.tw/handle/56195270011290031574.
Texto completoLiang-KuangChu y 朱亮光. "Using BIM in Facility Operation & Maintenance Management- Switchgear Operation Space Planning". Thesis, 2012. http://ndltd.ncl.edu.tw/handle/01356679425882745796.
Texto completo國立成功大學
工學院工程管理碩士在職專班
100
Switchgear in electricity supply system is the necessary infrastructure for all buildings. After completed of construction, operation organization needs to obey government regulation and maintenance plan advised by manufacturer to perform operation and maintenance. To avoid electricity hazard, government regulations defined minimum activities space, which must be followed during design of a construction project to ensure smoothly and safety operation. During design stage, equipments and piping with physical appearance dimensions is easy for designers to finish space planning and coordinating. In construction stage, each space confliction will be found during installation. However, operation activities space is not same with equipments and piping to have a well procedure now to avoid space design defeat. Rapid development of BIM, Building Information Modeling, gets great benefit from 3D visualization function and process efficiency of space conflict identification and optimization. However, all of above is for equipments and piping space and not for operation activities now. The first step of using BIM for operative space management is to study all operative activities, its space requirement and establish a procedure. Thus, this study focus on switchgear in building electrical room to come out three operation spaces including operation and maintenance, people patrol and equipment move in via switchgear operating activities analysis. This study also proposed a space management processes covered from switchgear design, project space coordination, construction to operation and provide a 3D visualized operating space model for space management. Through the case study delivery that operational 3D space can provide a good communication channel and as a good tool to solve operating space issue.
Lin, Chun-Fu y 林俊甫. "OPTIMAL PREDICTIVE MAINTENANCE POLICY RESEARCH". Thesis, 2009. http://ndltd.ncl.edu.tw/handle/36275824930298734566.
Texto completo國防大學理工學院
兵器系統工程碩士班
97
The major purpose of defense weapon system is to achieve high operational availability with lower life-cycle cost. It is important for the national defense logistics support to fulfill the future operational requirement and reduce the total life-cycle cost via better maintenance policies and more accurate maintenance period to achieve high availability under a decreased national defense budget and refined armed force organization. Reliability-Centered Maintenance (RCM) is a critical process of Logistic Support Analysis (LSA) to decide the preventive maintenance (PM) requirement to develop a focused and cost-effective maintenance plan. However the higher frequency of the preventive maintenance often waste manpower and logistics support resources, and further decrease the availability of the weapon systems. This research proposed a predictive maintenance policy, which leads in the conception of condition-based maintenance to monitor the actual weapon conditions periodically and analyze important parameter of weapon system to detect extraordinarily in the early stage, then given maintenance staff the suitable action service plan previously. An antiaircraft missiles system is selected as a case to illustrate the logic process of RCM and proposed predictive maintenance policy. This research has developed an optimal predictive maintenance policy based on imperfect maintenance model. Firstly, the quasi-renewal process has been applied to construct the failure distribution and availability model. Secondly, considering the age preventive maintenance policies, the maintenance cost models have been developed to minimize the maintenance cost rate. Thirdly, the optimal preventive and predictive maintenance period have been able to solve via the numerical analysis. Furthermore, according to the relationship between the health condition and operation time, the optimal predictive maintenance policy has been built to derive the optimal health condition threshold of the weapon system. The results can be applied to optimize the maintenance planning with better availability and lower total life-cycle cost.
WEN-CHENG, CHEN y 陳文正. "Aircraft Maintenance Out-Sourcing Policy". Thesis, 2008. http://ndltd.ncl.edu.tw/handle/39905231888341161826.
Texto completo國立臺灣科技大學
工業管理系
96
Abstract Most of the firm all have their resource boundary, also be affected by the change of the environment or other non-reasonable factor, for the airline business which own huge capital, labor power requirement highly, and knowledge base widely, how to distribute and utilize such firm resource which shall depend the company strategy to do the support the management forever, by analyzing the haul report and information, understand aviation maintenance industry be centralization on U.S.A. and. E.U. area which own highly GDP level, this is a particular situation after they spend a lot of capital on traffic infrastructures, but these well condition have been changed by the labor fee be raised, lack of man power supplement, and facility utilization rate down such problem, base on these factor the aviation maintenance industry is not different with other business, shall move the business focus to the Asia area as well as , on Asia area we all knew the labor fee is lower, fulfill man power supplement, and the prediction of more aircraft order in the future, these surroundings already speed the aviation maintenance industry to another space. For airline they ought to appearance and think their strategy, and choice the corrected strategy which is a investment, through the SWOT analysis these restrictions, clarify the external and internal of the firm own how many strengths or weakness factor inside, such factor certainly to talented with company culture to deploy different performance, included the competitive circumstance be changed frequently, Especially the first of 1990 period conventional airlines be established at that moment, they owned the in-house repair capability to be a advantage and strengths, but Low cost carrier which be established around the middle of 90s, They usually utilized the out sourcing strategy forwarding the maintenance task to the third party even the safety and service items, to continue the core business inside the firm, to construction the novel business model of the airlines. Out sourcing rule provided the strategy is to minimize the variation of the man power demand, the opportunity is supported by highly growing vision of the aviation maintenance industry, and reduced the weakness is to substantiate control the total operation cost, the purpose of minimized the threaten is avoiding the deflation, no matter what condition or business style these firm have ,the conventional airline and low cost carrier, they followed such four factor to enlarge the business scale or survivor on the this aviation market. The final target of the enterprise is getting the earning from market, most of the judgments shall depend the annual report of the enterprise, the top management could learn the new style or followed the original business model, shall depend their deeply thinking to get the new knowledge and benchmarking, keep away from following the out-of-date experience or action, we all knew the state of the aviation business is variation often, efficient utilization the out sourcing on the aviation maintenance industry, to get the profit from the competition, the strategy really established a trade model in the aviation maintenance industry.
Baker, John M. "Formation, maintenance, and operation of environmental NGOs in Thailand". 1995. http://catalog.hathitrust.org/api/volumes/oclc/36384377.html.
Texto completo林和民. "Centralized Operation and Maintenance for Distributed Digital Switching Systems". Thesis, 2001. http://ndltd.ncl.edu.tw/handle/52181626742893325027.
Texto completo大葉大學
電機工程研究所
89
Traditional maintenance of digital switching systems requires on-site works. It is time-consuming and needs lots of labors. The development of computer networks produces no gap for information exchange. This thesis proposes a new method for centralized maintenance of digital switching systems using existing network structure of Chunghwa Telecom (CHT). By building the Telnet Function under TCP/IP of CHT Intranet, client can access the local server whenever a terminal is available. Thus, maintenance can be performed remotely. Besides the maintenance of digital switching system, voice, data exchange and power control can also be integrated into the system. The simulation results will demonstrate that the method proposed in this thesis will offer low-cost and efficient operations.
JHU, LIN-SIANG y 朱麟享. "Research of Maintenance and Operation for Solar Power Plant". Thesis, 2015. http://ndltd.ncl.edu.tw/handle/28859874917077949296.
Texto completo正修科技大學
電機工程研究所
103
Solar Power Plants could along with 20 or more years of maintenance operations, the running of solar power plant aims to maintain operating income, That can recycle ahead of time and increase Return On Investment (ROI) while solar power plant maintenance operating properly. This thesis makes a further discussion on following respects: monitoring systems, power generation aggregating, promotion on the efficiency of power generation, power equipments maintenance and trouble shooting. Take the case by I-DOMAIN Industrial Solar Power Plant Park as an example, Maintenance and operation of various projects apply to I-DOMAIN plant Expecting these discussions is helpful to existing or new plants on operation.
孫大琦. "Study on maintenance, operation and management of sluice gate". Thesis, 2018. http://ndltd.ncl.edu.tw/handle/8eb2qy.
Texto completo國立嘉義大學
土木與水資源工程學系研究所
106
Abstract Keywords: water gate management, operation, water conservancy facilities In recent years, climate change has occurred, and rivers and streams in Taiwan have been frequently reported. At this time, the water gate is one of the most important water conservancy and flood prevention facilities in the river. This study takes the Beigangxi water system as an example. Through the water gate management agency, operator and the maintenance personnel as the research object, the water gate management index analysis is carried out, so that the water gate can truly achieve the purpose of improving flood control. A total of 101 valid questionnaires were collected in this study. The results of the questionnaire analysis showed that in the watergate operation part, the occupations were mostly roadside stalls, and the education was mainly below the middle school. The working year was about 5-7 years. The water gate operation time varies according to different types of water gates, and most of them can be completed within 15 minutes. Most of the main work motivations are due to the convenient location of the work place near the home. The work place of the staff is mostly the tidal river section. The problems encountered in the operation are old equipment, although the electric water gate is the most convenient but the relative electric machinery. The component is prone to problems with moisture damage. The time of education and training courses varies according to the proficiency of the water gate operation. If the personnel have rich experience in operation, the number of hours required is relatively reduced, and vice versa. The content of education and training is based on the simple elimination of the water gate failure and the fault notification process. Consideration. In the maintenance section of the water gate, nearly 90% of the employees in the outdoor work area are thicker due to the thicker work items. The seniority of the personnel is generally not affected by the human resources of the employer of the sampled personnel, but if the senior staff is high, There may be a gap between the few of the agencies that may be in the process of inheritance and the majority of the senior members. The working area is also located in the tidal river section. The problems in the trial operation and cleaning of the water gate equipment are mainly caused by electric water valves. The reason is that the motor equipment needs special attention to moisture and water seepage. The watertightness of the water gate excludes poor design and construction and earthquake deformation, mainly affecting the drift of the water system and the influence of the amount of garbage. It is considered reasonable for personnel to have more than 50% of the weekly maintenance during the flood season and the maintenance of the non-flood period every two weeks. Finally, the educational training courses offered by the management units range from high to low fire drills, emergency response in the flood season, mechanical and electrical maintenance priorities and occupational safety and health.
LEE, YUN-KUANG y 李雲光. "Knowledge Management System for Mobile Communication Operation and Maintenance". Thesis, 2018. http://ndltd.ncl.edu.tw/handle/9yt577.
Texto completo中華大學
工業管理學系
106
ABSTRACT With the knowledge economy’ age coming, the companies’ competition is not only rely on the way of master and apprentice, instead, it depends on these essential factors, such as innovation, profession, service, experience, and skills. In addition, the rapid growth of the internet and social media make community interaction produce great changes. Thus, how to create and spread the knowledge in organization effectively, and promote its additional value and advantages are already become the necessary issue for all the company. In recent years, the popularization and development of mobile communication formally move towards 5G era. The set up base station require density more intensive, distribute in a large number throughout Taiwan. Each base station has all kind of equipment and peripherals, for instance, uninterrupted power system, DC power supply equipment, battery, air conditioning and other equipment, they need to have perfect management mechanism. Due to the number of base station continuous expansion, the manpower of staff that maintenance and operation the base station is relative deficiency, they usually very busy. How to use the staff effectively, improve the performance of maintenance and operation, reduce the cost of maintenance and operation, and enhance the good communication quality, are the problems that telecom service industry should be faced. In this paper, I will use the PlonePlone software to integrated and construction belongs to maintenance and operation of mobile communication’s knowledge management system, and focus on the mobile base station’s maintenance and operation staff to the main research objects. Use of newcomers practice, and build a set of telecommunications management knowledge base, in order to make the newcomers into the situation as soon as possible, and make technology effective and keep improving. Keywords:Knowledge Management、Mobile Communication、Base Station、Maintenance and Operation
Leng, Chi-Chiang y 冷基強. "General periodic inspection policy with preventive maintenance". Thesis, 1997. http://ndltd.ncl.edu.tw/handle/72508003924864568618.
Texto completo國立中正大學
數理統計研究所
85
In this article, we consider a modified inspection policy with periodic check intervals with preventive maintenance. If the jth check is made, then theunit after check has the same age as before with probability theta(j) andis as good as new with probability q(j) which depend on the check numbers j( j=0,1,2,...). The mean time to failure and the expected numbers of checksbefore failure are derived, forming renewal-type equations. The total expectedcost and the expected cost per unit of time until detection of failure areobtained. Optimum policies which minimize the expected costs are given as a numerical example with Weibull distribution.
Chen, Yi-Wen y 陳怡文. "Study of Multiactions Dynamic Preventive Maintenance Policy". Thesis, 2001. http://ndltd.ncl.edu.tw/handle/11304318502712801670.
Texto completo國立清華大學
工業工程與工程管理學系
89
Abstract The purpose of this dissertation provides a dynamic preventive maintenance policy for the equipment inspected by sensors. The sensors can inspect several parameters of the equipment which can be generate a Health Index (H) in real time at each inspecting time nd, n=0,1,2,3…The H will be translated into equipment status and saved in the system database. According to the equipment status, we can decide the best preventive actions at time nd by the rule of the lowest total maintenance cost per cycle. The state of the equipment can be charge by H. Each state of the equipment has several preventive actions to choose. We suppose the state transition probability of the equipment as a steady state transition probability matrix, which means the state of the equipment is a Markov chain. Base on continuing updated H value, we can estimate the state transition probability of the equipment and the risk rate of each preventive action at every nd n=0,1,2,3…. As a result, the state transition probability of the equipment will be updated with nd. In brief, the major differences between this preventative policy and others are that this one policy is updated by time and the state transition probability of the equipment can be updated by time. Therefore, the enterprise can base on the equipment historical data to generate the updated transition probability with time, and follow the methodology as we mention above then it can build up an useful maintenance policy. Key word: Health index, Multiaction, Dynamic maintenance policy.
Yang, Kai-Jui y 楊鎧瑞. "ntegrating Production Scheduling and Optimal Maintenance Policy". Thesis, 2012. http://ndltd.ncl.edu.tw/handle/76258247593732407838.
Texto completo國立臺灣大學
工業工程學研究所
101
Ion implant area is one of the most important processes in semiconductor fabrication industry. The characteristic of this area is that the sequence for different arrival rate of WIP type would affect the variation of machine failure rate. This means the scheduling decision making is just machine maintenance work. Many companies only pursue production efficiency but ignore the importance of maintenance work. We should integrate them simultaneously The main purpose of this study is to construct the unique failure rate estimation model for the machine, and the establishment of risk aversion strategies in the schedule for the sort of process behavior simulation of two different considerations. Second, determine the most suitable scheduling method. Finally, using simulation results to further identify the control threshold for the integration of machine maintenance and production efficiency. The main contribution of this study in addition to construction of the analysis of different use the context of ion implantation filament failure rate estimation model, and through methods described above to provide the optimum dispatching method which can reduce the uncertainties in the complex manufacturing process, such as breakdown of machine suddenly.
Huei, Su Yu y 蘇郁惠. "The Reserch in Resale Price Maintenance Policy". Thesis, 1994. http://ndltd.ncl.edu.tw/handle/50645157954202612914.
Texto completoMwangi, Patrick Nduati. "Costing calculation of operation and maintenance in community water supplies". Thesis, 2001. http://hdl.handle.net/10413/9011.
Texto completoThesis (M.Sc.Eng.)-University of Durban Westville, 2001.
Wu, Ying-Ying y 吳嫈嫈. "The Study of Base Fighter Operation and Maintenance Simulation Model". Thesis, 1996. http://ndltd.ncl.edu.tw/handle/49522160479465763567.
Texto completo國立交通大學
工業工程研究所
84
Modern weapon systems are expensive and complicated. Total resources areaffected from mission requirement definition , product design , analysis andmanufacture, to product deployment. This problem is hard to solve usingtraditional analytical methods. In this paper, we proposed a simplified modelalong with a simulation method to simulate operational environments, systemrequirements, and resources allocation to aid in decision-making. This paperfocuses on the existing design characteristics of modern fighters where theoptimum combat capability of a fighter incorporating logistic considerationscan adjust resource allocations to maxmize combat capability. This simulationmodel includes preflight, sortie, postflight,scheduled/unscheduled maintenanceactivities , and considers those activities as oneoperation and maintenancecycle. By controlling the flying schedule ,maintenance manpower and quantityof support equipments, this model studiesthe relationship between the abovecontrollable factors, and the output resultssuch as daily sortie rate ,availability, and flying hours. By using regression analysis of simulationresults, this model can support the decision- making process, to include basemission planning and resources allocation. The simulation model is constructedon personal computer using SLAM II simulation language.