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Other Operations Research, Systems Engineering and Industrial Engineering Commons™
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- Maintenance (5)
- نگهداری و تعمیرات (5)
- Decision Making Models (4)
- مدل های تصمیم گیری (4)
- Assessment (1)
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- Borda method. (1)
- Condition based maintenance (CBM) (1)
- Conference Papers (1)
- Decision making (1)
- Definition (1)
- Discrete-event simulation (1)
- Dynamic programming (1)
- Exchange. (1)
- Flexible maintenance activity (1)
- Group decision making (1)
- Industrial sectors (1)
- Innovation (1)
- Lean maintenance (1)
- Maintenance strategies (1)
- Operations research (1)
- Post-test (1)
- Pre-test (1)
- R&D Society (1)
- R&D management (1)
- Reliability (1)
- Sequencing and Sceduling Models (1)
- Sequencing and scheduling (1)
- Simulation (1)
- Stochastic Model (1)
- Stochastic Process (1)
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Articles 1 - 8 of 8
Full-Text Articles in Other Operations Research, Systems Engineering and Industrial Engineering
R&D Management In Iran, Opportunities And Threats, Nader Ale Ebrahim, Ali Ghazizadeh, Arash Golnam, Hamid Tahbaz Tavakoli
R&D Management In Iran, Opportunities And Threats, Nader Ale Ebrahim, Ali Ghazizadeh, Arash Golnam, Hamid Tahbaz Tavakoli
Nader Ale Ebrahim
Research and Development (R&D) management in Iran has faced many barriers and obstacles, in which R&D units are considered as the basic core of the product development and innovation. Due to structural shortcomings, a great number of organizations and industries have not yet been able to position themselves in the market. There are about 1141 R&D units throughout Iran, due to the geographical decentralization of these units this paper considers and analyzes the R&D case study in one of the provinces located in the north part of Iran, and the findings can be generalized to the other industrialized areas and …
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 …
Details And Description Of Operations Research, Paul Savory
Details And Description Of Operations Research, Paul Savory
Industrial and Management Systems Engineering: Reports
The ambiguous term operations research was coined during World War II. A frequent substitute is management science. Operations research is a scientific approach to analyzing problems and making decisions. It uses mathematics and mathematical modeling on computers to forecast the implications of various choices and zero in on the best alternatives. This content paper provides an overview of operations research. It highlights operations research problems, methods for solving problems, different areas of operations research, and example problems.
Pre/Post Assessment Of Abilities, Paul Savory
Pre/Post Assessment Of Abilities, Paul Savory
Industrial and Management Systems Engineering: Instructional Materials
One approach to assess if students are learning in a course is to conduct a pre-test, post-test assessment of the course material. By comparing the two results, one can make an assessment of the knowledge learned in the course. For certain types of courses, it can be a challenge in defining an assessment instrument that measure student knowledge. This example is one I have developed for my IMSE 440/840 (Discrete Event Computer Simulation) course. Students are asked rate their ability for key course objectives defined on the course syllabus. I administer it on the first day of the course and …