Research work has been published in the areas of maintenance modeling, optimization, and management. This paper proposes a new simultaneous optimization model of the industrial systems design and maintenance. Mathematical models our replacement optimization model is generic in the sense that it can be used for modelling widelyvarying applicationsof maintenance planning, since it utilizesthe opportunity for nonperiodic maintenance. Publishers pdf, also known as version of record includes final page, issue and volume. The handbook of maintenance management and engineering covers a wide range of topics in maintenance management and engineering. Overview of optimization models for planning and scheduling.
The use effectiveness of a system depends not only on its reliability but also on maintainability, which makes the products or systems more competitive. Maintenance modeling and optimization eindhoven university of. Pdf maintenance optimization models and criteria peter. Maintenance, modeling and optimization springerlink. From literature surveys 3, 4, 6, 8, 10 it appears that most papers deal with maintenance optimization models. Maintenance can be defined as the combination of all technical and associated administrative actions intended to retain an item or system in, or restore it to, a state in which it can perform its required function 2. Maintenance, modeling and optimization request pdf. Maintenance, modeling and optimization mohamed bendaya. This study aims to present the development of a model for optimization of periodicity in the preventive maintenance plans of industrial assets, through the study of the lifespan of systems justified by use, time, condition, and costs. An optimization model for aircraft maintenance scheduling. Applications of maintenance optimization models repub, erasmus. Optimization of maintenance strategies under consideration of logistic processes a dissertation submitted to the swiss federal institute of technology zurich for the degree of doctor of. These sections cover a wide range of important topics, including system reliability modeling, optimization, software reliability and quality, maintenance theory and inspection, reliability failure analysis, sampling plans and schemes, software development processes and improvement, stochastic process modeling, statistical distributions and.
A mdp is an optimization model for discretestage, stochastic sequential decision making. On the basis of some advantages which have been noticed, but also of shortcomings of the existing models and concepts of maintenance. Because of the complexity of the underlying probability models, we use. Reliability modeling, analysis and optimization series on. In july 2001, he was appointed as a professor of operation and maintenance engineering at lulea university of technology, lulea, sweden. Annual plans for budgeting, term crude contracts and programmed maintenance. Repairable system models are typically used to evaluate the performance of one or. Introduction the importance of the maintenance functions and maintenance management has greatly grown in all sectors of manufacturing and service organizations. Using predictive analytics to optimize asset maintenance. Optimization models for improving periodic maintenance. Maintenance strategy, reactive maintenance, preventive maintenance, proactive maintenance, reliability, life cycle costing, change management, human factors. Provides an interdisciplinary approach which links, engineering, science, technology, mathematical modelling, data collection and analysis, economics and management. Strategic plans for future years and expansion projects. Maintenance, modeling, and optimization provides in one volume the latest developments in the area of maintenance modeling.
Since fuel consumption, other aircraft expenses and. Block replacement model barlow et al 1960 introduced for optimization. Excellent college students have contributed chapters. For those seeking an optimal balance between operability and cost, our stone. It includes extensive references to the theoretical foundations, recent research and future directions of this important subject. The commercial grade solver solves the optimization problem and then sends the result back as an access. Furthermore, the networkcentric service model is transforming into a usercentric service model. This thesis investigates several important issues in postsale cost modeling and optimization. Extensions of the encompassing models to timely datasketching, tensor and kernelbased learning tasks are also provided. Using predictive analytics to optimize asset maintenance in.
Using predictive analytics to optimize asset maintenance in the utilities industry by working proactively to collect and distill digital information, transmission and distribution utilities can enhance customer satisfaction, reduce total cost of ownership, optimize the field force and improve compliance. Preventive maintenance optimization in healthcare domain. Reliability modeling, analysis and optimization series. The proposed techniques have been tested on mid to largescale real power networks obtained from south american, north american, and. Journal of quality in maintenance engineering emerald.
Markov chains and markov decision processes markov chain is a random process, wherein a probability of transition between states only depends on the current state. Alaswad jordan university of science and technology bachelor of science in mechanical engineering, 2000. Unfortunately, many data scientists today are not sufficiently familiar with steps 2 and 3 of this process. We hope that this initial contribution will serve as a useful informative introduction to this field. Maintenance optimization model, preventive maintenance, corrective maintenance, risk based optimization, simulation 1. Refer to chen and feldman3, chen and trivedi4, and hontelez et al. Such a global approach to maintenance optimization requires expertise from various fields, e. Publishers pdf, also known as version of record publication date. How to reduce machine downtime with pm optimization. Six sigma concept in the maintenance process of technical systems 95 ees and their motivation for work, which includes a radical change of culture of companies 4. Further, a close cooperation between management, maintenance personnel and analysts is required to achieve a successful result. Furthermore, bridge maintenance management aims at improving the overall network effectiveness through. Review of markov models for maintenance optimization in. Optimizing preventive maintenance models michael bartholomewbiggs.
Markov models for maintenance optimization be optimized for a given parameter, usually to minimize the referenced in this paper, grouped by the method used and application. In broad terms, maintenance optimization models includes the mathematical models focused on finding either the optimal balance between costs and benefits of. An overall model for maintenance optimization sciencedirect. Finally, future developments and some new trends in the subject of maintenance are presented. Maintenance optimization consists of the development and analysis of mathematical models. On the maintenance modeling and optimization of repairable. For expensive equip ment optimisation is costeffective as is also the case for systems with a high degree of commonality, like. Preventive maintenance oiling the wheels is almost as effective as turning the clock back 1. The costing of a maintenance program is analyzed under the warranty context from both the. The institute of asset management iam, in collaboration with asset and maintenance.
Modeling and optimization of maintenance policies for. An analysis of maintenance strategies and development of a. Maintenance, modeling and optimization by mohamed bendaya, salih o. The use of max to min and min to max heuristics has been proposed for solving preventive maintenance problems and their performances are compared 1. Discrete and continuous time scheduling models iii. Provides an interdisciplinary approach which links, engineering, science, technology, mathematical modelling, data collection and analysis. Request pdf maintenance, modeling and optimization production costs are being reduced by automation, robotics, computerintegrated manufacturing, cost reduction studies and more. Manpower planning in airlines modeling and optimization. Classification of optimization models for batch scheduling ii. This introductory textbook links theory with practice using real illustrative cases involving products, plants and infrastructures and exposes the student to the evolutionary trends in maintenance. Duffuaa, abdul raouf english pdf 2000 481 pages isbn.
Preventive maintenance optimization of critical equipments in. The traditional approach is based on statistical analysis of equipment failures, called the. A maintenance optimization model is a mathematical stochastic model which aims to quantify costs in a wide sense and to find the optimum balance between the cost of maintenance on one side, and the associated cost benefit on the other 3. Reliability centred maintenance is a maintenance optimization tool which has a role in providing an effective response to such demands on the industry, by enhancing the effectiveness of operations and maintenance. In such environment, there is an urgent need for optimization of the usage of network resources. Maintenance optimization based on mathematical modeling phd thesis to obtain the degree of phd at the university of groningen on the authority of the rector magni. The importance of optimizing maintenance management for efficient operations 3 based on our optimization project experience both globally and in russia, deloitte has identified key problems in maintenance functions and has developed a model to optimize maintenance. Reliability centred maintenance is a maintenance optimization tool which has a role in providing an effective response to such demands on the industry, by enhancing the effectiveness of operations and maintenance programmes.
Application of reliability centred maintenance to optimize. Handbook of maintenance management and engineering. On the impact of optimisation models in maintenance. There has been extensive literature on models for maintenance. Research a modeling approach to maintenance decisions using statistical quality control and optimization julie simmons ivy1.
Using applications and examples which reflect the growing importance of maintenance. Two different scenarios a dissertation submitted in partial fulfillment of the requirements for the degree of doctor of philosophy in industrial engineering by suzan m. In the sequel of this paper we will investigate applications of maintenance optimization models in more detail. Pdf handbook of maintenance management and engineering. A modeling approach to maintenance decisions using. This model aims to help the designer in searching for technical pdf 588 kb. Commercial software for scheduling of batch plants vi. These new technologies are expensive to buy, repair, and maintain. Industrial engineering modeling and simulation o taking advantage of osd commercial technologies for maintenance activities ctma program through a cooperative agreement with the national center for manufacturing sciences ncms. Due to widespread automation and the high capital tied up in production equipment, the importance of maintenance is ever increasing.
Optimization is an act, process, or methodology of making something as fully perfect, functional or effective as possible. Sterken and in accordance with the decision by the college of deans. Hence, the demand on maintenance is growing and its costs are escalating. The maintenance scheduling problem is a combinatorial optimization problem. In general, there is a long time gap between the emergence of a theory and its application. Only type a and b maintenance constraints are being considered. He worked as a senior lecturer and associate professor at lulea university and joined university of stavanger, norway as a professor of mechanical engineering maintenance in 1997.
Many traditional techniques have proved to be fruitful in maintenance optimization problems. Safety, health and environment objectives, maintenance costs and costs of lost production are all taken into consideration, and maintenance is thus optimized with respect to multiple objectives. The objective is to minimize the maintenance cost and any costs incurred during the reassignment of aircraft to the. Pdf maintenance optimization models and criteria peter muchiri. Traditionally, oil refineries typically perform the following types of periodic optimization studies. Aircraft assignment is made before maintenance scheduling. Prominent scholars have contributed chapters covering a wide range of. To learn these models however, there is a consequent need to advance online, scalable optimization.
Perfect means having all the qualities you want, rather than making every asset as close to new or to specification as possible. This paper provides a complete formulation for maintenance scheduling and a heuristic approach to solve the problem. Only the existing maintenance bases are considered and no recommendations are made for the construction of new feasible and optimal location of maintenance bases. University of groningen maintenance optimization based on. In this chapter, maintenance models and policies, optimal problems, and related techniques are summarized, based on two recent survey papers and the latest research papers. Department of energys federal energy management program femp. Using predictive analytics to optimize asset maintenance in the utilities industry by working proactively to collect and distill digital information, transmission and distribution utilities can enhance customer. These sections cover a wide range of important topics, including system reliability modeling, optimization, software reliability and quality, maintenance theory and inspection, reliability failure analysis, sampling plans and schemes, software development processes and improvement, stochastic process modeling. Mathematical modeling for optimization of periodicity in the. Furthermore, discussions have been held with various people concerning the value of maintenance optimization models. Convex optimization has also found wide application in combinatorial optimization and global optimization. Existing approaches of maintenance modeling and optimization are designed for performing pm 2, 3. This thesis focuses on modeling and optimization of maintenance systems.
An optimization model for aircraft maintenance scheduling and. The optimization code is then sent across the network to the plexos site where it is input to a commercial grade solver. Optimization model and solution method for operational. Literature abounds with research papers in the areas of reliability and maintenance. Given the timedependence and random nature of the bridge performance, a stochastic modeling is required. This thesis will be defended in public on thursday 9 february 2017 at 16. Optimization model and solution method for operational aircraft maintenance routing problem. We use kijimas second virtual age model to describe the imperfect repair process. Download maintenance, modeling and optimization pdf ebook.
The importance of optimizing maintenance management for. Maintenance optimisation models 1 worth the time spent on the analysis. First of all, a literature search has been made on applications of maintenance optimization models and on tools developed to assist in maintenance optimization. Request pdf maintenance, modeling and optimization production costs are being reduced by automation, robotics, computerintegrated manufacturing, cost. Repairable systems modeling refers to the application of operations research techniques e. The heuristic procedure provides good solutions in reasonable computation time. Previous studies mostly adopted asymptotic cost rate criterion for oprimizing maintenance policies. Maintenance optimization for multicomponent systems under.
Optimization models for improving periodic maintenance schedules by utilizing opportunities torgny almgren volvo aero corporation and chalmers university of technology niclas andreasson lic. May 07, 2019 shipyard infrastructure optimization plan. Excellent college students have contributed chapters overlaying quite a lot of topics. This makes maintenance an investment opportunity to be optimized, not a cost to be minimized. Maintenance, modeling, and optimization provides in a single amount the most recent developments inside the area of maintenance modeling. The summary is done in terms of classification of the discussed problems, but some important ones are emphasized in detail. Optimization of bridge maintenance management using markovian.
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