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Operations Research, Systems Engineering and Industrial Engineering Commons™
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- Keyword
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- Decision Making Models (7)
- مدل های تصمیم گیری (7)
- Maintenance (6)
- نگهداری و تعمیرات (6)
- Area for improvement (2)
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- Business excellence model (2)
- Condition based maintenance (CBM) (2)
- Decision making (2)
- Dynamic programming (2)
- European quality award (2)
- Exchange. (2)
- Fuzzy logic (2)
- Reliability (2)
- Threshold (2)
- Assessment system (1)
- BLEVE (1)
- Borda method. (1)
- Conference Papers (1)
- Control Limits (1)
- Decision maker (DM) (1)
- Distribution centers location problem (1)
- EFQM (1)
- EWMA (1)
- European Foundation for Quality Management (1)
- Flexible maintenance activity (1)
- Fuzzy AHP. (1)
- Fuzzy multi criteria decision making (1)
- Group decision making (1)
- Hotelling’s T2 (1)
- International Journal of Scientific Engineering and Technology (IJSET) (1)
Articles 1 - 15 of 15
Full-Text Articles in Operations Research, Systems Engineering and Industrial Engineering
Consequence Analysis Of Bleve Scenario In The Propane Tank: Acase Study At Bandar Abbas Gas Condensate Refinery Of Iran, Saeed Nazari, Najmeh Karami, Hojjat Moghadam, Parvin Nasiri
Consequence Analysis Of Bleve Scenario In The Propane Tank: Acase Study At Bandar Abbas Gas Condensate Refinery Of Iran, Saeed Nazari, Najmeh Karami, Hojjat Moghadam, Parvin Nasiri
Innovative Research Publications IRP India
The occurrence of incidents resulting from chemical releases requires preparatory measures. Despite special layers of protection in chemicalindustries to avoid such releases and subsequent consequences, human errors still occur and negatively contribute to failures in different activities include maintenance practices and operating control and so on. It is proven that one of the most devastating risk in the oil and gas companies is explosion, particularly BLEVE. Thus, the study of this phenomena and analysis of its consequences at various stages is necessary. Recent studies claimed that the predictionof damaging effectafter the explosion by mathematical models is necessary for its effective …
Problem Tree & Italian Transport Companies, Sajjad Khaksari
Problem Tree & Italian Transport Companies, Sajjad Khaksari
SAJJAD KHAKSARI
Slides of Report: Production System Analysis & Italian Transport Companies; A briefly endeavor to modeling, 3th edition; Problem Tree; Production Functions (PF's); Organization Chart; Information Pattern; Standard Time; Make-span (MS); Modeling; DM's; Work Sequence; Report; Table of Agents; Table of Resources; Production System Analysis & Italian Transport CompaniesCourse of Prof. Agostino Villa; Politecnico di Torino, Student: Sajjad Khaksari; June 11, 2015;
A Case Study Of Quality Control Charts In A Manufacturing Industry, Fahim Ahmwdl Touqir, Md. Maksudul Islam, Lipon Kumar Sarkar
A Case Study Of Quality Control Charts In A Manufacturing Industry, Fahim Ahmwdl Touqir, Md. Maksudul Islam, Lipon Kumar Sarkar
Md. Maksudul Islam
Statistical Process Control (SPC) is a powerful collection of problem solving tools and the most sophisticated useful method in achieving process stability and improving the process capability through the reduction of variability. In the manufacturing process, every product doesn’t meet the desired range of quality consistently with the customer specification. This inconsistency occurs due to several sources of variations such as machines, operators, materials etc. The Ultimate target of control chart is to monitor the variations, and subsequently control the process. On account of applying SPC methods, this study deals with the control and improvement of the quality of bolt …
Assessment System Based On Fuzzy Scoring In European Foundation For Quality Management (Efqm) Business Excellence Model, J Dodangeh
Javad Dodangeh
There are a few popular business excellence models that provide standard criteria against which an organization can measure its performances. European Foundation for Quality Management (EFQM) is the most popular one. The organizational self-assessment process is an admissible system in the area of Total Quality Management (TQM). Most specialists concur to the description of self-assessment that is presented by the European Foundation for Quality Management (EFQM). However, the current selfassessment methods in EFQM model have some drawbacks and problems which are scoring in these methods influenced by experts’ judgment and thus, are subjective. Furthermore, these methods cannot consider the empirical …
Designing Fuzzy Multi Criteria Decision Making Model For Best Selection Of Areas For Improvement In Efqm, J Dodangeh
Designing Fuzzy Multi Criteria Decision Making Model For Best Selection Of Areas For Improvement In Efqm, J Dodangeh
Javad Dodangeh
In a growingly competitive business environment, numerous organizations adopt the total quality management (TQM) approach, to struggle for business excellence. To monitor the progress towards business excellence, thousands of organizations across the world use self-assessment on a regular basis. There are a few popular business excellence models, that provide standard criteria against which an organization can measure its performances. European Foundation for Quality Management (EFQM) is the most popular ones. The EFQM Excellence Model was introduced at the beginning of 1992, as the framework for assessing organizations for the European Quality Award. It is now the most widely used organizational …
An Improved Ant Colony System For A Real Time Routing Strategy, Hannaneh Rashidi-Bajgan, Taravatsadat Nehzati, Napsiah Ismail
An Improved Ant Colony System For A Real Time Routing Strategy, Hannaneh Rashidi-Bajgan, Taravatsadat Nehzati, Napsiah Ismail
Hannaneh Rashidi-Bajgan
There is a large number of literatures about routing and dispatching plans for automated guided vehicle system (AGVS), however a small fraction of these works dealt with dynamic characteristic of this kind of scheduling problems. Current paper surveys a real time strategy to responding requests for supposed material handling system in the plant. We arranged this designing on a preplanned system where all data are known before the constructing routes. An improved ant colony optimization (ACO) is applied in order to find the shortest route path as new solicitations happened. We explore ACO initially for static version of the problem, …
Six Sigma Process Simplified-Explained Through Spc And Control Limits, Raman Attri
Six Sigma Process Simplified-Explained Through Spc And Control Limits, Raman Attri
Raman K. Attri
No abstract provided.
The Optimization Of The Threshold For The Preventive Maintenance Actions In A Condition-Based Maintenance Program Via Dynamic Programming Approach, Kamran Shahanaghi, Mehdi Jafarian, Majid Beikverdi, Zeinab Nezhadbiglari
The Optimization Of The Threshold For The Preventive Maintenance Actions In A Condition-Based Maintenance Program Via Dynamic Programming Approach, Kamran Shahanaghi, Mehdi Jafarian, Majid Beikverdi, Zeinab Nezhadbiglari
Mehdi Jafarian
The last step of a condition based maintenance (CBM) program is maintenance decision-making. This step is the most important and the most critical stage of maintenance for executive personnel and management whom work on taking maintenance actions. This decision making would be done according to certain criteria such as risk, cost, reliability and availability. This paper considered a dynamic programming model to optimization of the threshold for the preventive maintenance actions in a condition-based maintenance program. The basis of this modeling is the average cost of maintenance actions, failures and exchanges. In this paper, we improved the memory of the …
A New Multiobjective Modeling In Distribution Center Location Problem, Mehdi Jafarian, Azizolah Jafari, Mehdi Sharif-Yazdi, Seyed Javad Hosseininejad
A New Multiobjective Modeling In Distribution Center Location Problem, Mehdi Jafarian, Azizolah Jafari, Mehdi Sharif-Yazdi, Seyed Javad Hosseininejad
Mehdi Jafarian
As has been mentioned in the literature, distribution centers location problem (DCLP) is a multiobjective problem. Cost (or distance) minimization is the primary objective in this area. While significance of each relation between a distribution center (DC) and a customer/retailer is different, it has not been considered seriously. By adapting available facility and new facility concepts of the multifacility location problem with costumer/retailer and a DC respectively, a utility function as the second objective based on the importance has been used. These importances are in decision maker (DM) s’ mind which should be quantified to be of use for modeling …
Lexicographic Goal Programming Approach For Portfolio Optimization, Mehdi Jafarian, Azizolah Jafari
Lexicographic Goal Programming Approach For Portfolio Optimization, Mehdi Jafarian, Azizolah Jafari
Mehdi Jafarian
The mean variance model of portfolio optimization that was introduced by Markowitz includes two conflicted objective functions. These two criteria, risk and return does not encompass all of the information about investment. Information like liquidity, annual dividends and performance in later years. Thus portfolio selection is a usual multi-objective decision making (MODM) problem. This paper will investigate the optimum portfolio for a private investor, taking into account 6 criteria. It is well known that GP, based on preemptive priorities and target values, has been successful in solving MODM problems. In this paper we classify the MODM model with consideration of …
Ranking Maintenance Strategies From The Point Of View Of Lean Thinking: Group Decision Making Model By Using Borda Method, Mehdi Jafarian, Kamran Shahanaghi, Aliakbar Faegh, Majid Samsami
Ranking Maintenance Strategies From The Point Of View Of Lean Thinking: Group Decision Making Model By Using Borda Method, Mehdi Jafarian, Kamran Shahanaghi, Aliakbar Faegh, Majid Samsami
Mehdi Jafarian
The selection of maintenance strategies is a typical multiple criteria decision-making (MCDM) problem. There have been taken different maintenance strategies in order to obtaining optimistic maintenance strategy. In this paper we aim to rank different maintenance strategies from the point of view of lean thinking. After obtaining information from experts whose expertness is in field of maintenance, in order to ranking these strategies we form a group decision making model and solve this model by using Borda method. Finally we analyze its results
An Introduction To Maintenance, Kamran Shahanaghi, Mehdi Jafarian
An Introduction To Maintenance, Kamran Shahanaghi, Mehdi Jafarian
Mehdi Jafarian
در فضای رقابتی امروز، بنگاههای اقتصادی در تلاشی مستمر برای دستیابی به کیفیت بالا، هزینه پایین، افزایش سرعت در ارائه کالا و خدمات و ... میباشند. بنابراین دستیابی به اهداف فوق را میتوان در زمره مهمترین دغدغههای مدیران امروزی قلمداد نمود. نگهداری و تعمیرات نیز به عنوان یکی از مهمترین فرآیندهای یک بنگاه اقتصادی از این قاعده مستثنا نبوده و در زیر ذره بین مدیران و کارشناسان قرار گرفته است. در این مقاله سعی نویسندگان بر این بوده است تا برخی از مهمترین جنبههای پژوهشی مطرح در این حوزه را عنوان نمایند.
Optimization Models For The Single Machine Scheduling Problem With A Single Flexible Maintenance Activity And Stochastic Maintenance Activities Time, Kamran Shahanaghi, Azizolah Jafari, Mehdi Jafarian, Hamid Babaei, Hojat Mehrazmay, Majid Beikverdi, Ahmad Yazdian
Optimization Models For The Single Machine Scheduling Problem With A Single Flexible Maintenance Activity And Stochastic Maintenance Activities Time, Kamran Shahanaghi, Azizolah Jafari, Mehdi Jafarian, Hamid Babaei, Hojat Mehrazmay, Majid Beikverdi, Ahmad Yazdian
Mehdi Jafarian
In this paper, modeling and solving of a single machine scheduling problem with a single flexible maintenance activity and stochastic maintenance activities time was considered. Also it assumes that the all activities are resumable. Chen solved and investigate complexity of this problem without probabilistic condition by Mixed binary integer programming (BIP) so we solving this problem with considering stochastic programming concepts. An example has investigated at the end chapter to show actual consequences by Lingo.
The Optimization Of The Threshold For The Preventive Maintenance Actions In A Condition-Based Maintenance Program Via Dynamic Programming Approach, Mehdi Jafarian, Majid Beikverdi, Kamran Shahanaghi, Zeinab Nezhadbiglari
The Optimization Of The Threshold For The Preventive Maintenance Actions In A Condition-Based Maintenance Program Via Dynamic Programming Approach, Mehdi Jafarian, Majid Beikverdi, Kamran Shahanaghi, Zeinab Nezhadbiglari
Mehdi Jafarian
The last step of a condition based maintenance (CBM) program is maintenance decision-making. This step is the most important and the most critical stage of maintenance for executive personnel and management whom work on taking maintenance actions. This decision making would be done according to certain criteria such as risk, cost, reliability and availability. This paper considered a dynamic programming model to optimization of the threshold for the preventive maintenance actions in a condition-based maintenance program. The basis of this modeling is the average cost of maintenance actions, failures and exchanges. In this paper, we improved the memory of the …
Cbm With Economic Decision Making: A New Modelling By Markov Chain, Kamran Shahanaghi, Mehdi Jafarian
Cbm With Economic Decision Making: A New Modelling By Markov Chain, Kamran Shahanaghi, Mehdi Jafarian
Mehdi Jafarian
فعالیت های نگهداری و تعمیرات در هر بنگاه اقتصادی از یک سو سبب کاهش هزینه های ناشی از عدم فعالیت دستگاه ها، هزینه های تعمیرات و سود از دست رفته، شده و از سوی دیگر به عنوان فعالیتی هزینه بر، هزینه های گاها سنگینی را به سازمان وارد می¬سازد. از این رو توسعه سیاست های نگهداری و تعمیرات و بهینه سازی هر یک از این سیاست ها، عاملی مهم در کاهش هزینه های سازمان خواهد بود. در این میان فرآیند نگهداری و تعمیرات مبتنی بر شرایط، به عنوان یکی از کاراترین سیاست¬های نگهداری و تعمیرات، با حذف فعالیت های نگهداری …