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18 Resources for
research & development and institute for operations research
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R&D (206 results)
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- Time-Varying Competition
- Researchers typically assume that competitive intensity is invariant when the demand and cost conditions change. With this assumption, an increase in demand or cost will cause prices to increase. It introduces the notion of time-varying competition to the marketing literature by modeling the indirect effects of demand and cost variables...
- White papers 2005-02-10
- Modeling Tool Failures in Semiconductor Fab Simulation
- This research investigates how well Weibull, Gamma, and special bimodal distribution are suited as an alternative to the exponential distribution approach in the stochastic modeling of machine downtimes and times between failures. It also discusses the question whether sampling shop-floor data should not only include first order statistics, but also...
- White papers 2004-11-11
- Visual Modeling of Business Problems: Workflow and Patterns
- Computer-based business analysis relies on models, or algorithmic representations of the business process. Real-life business problems can become very complex, which creates difficulties in generation, analysis, testing, and the actual use of the models. The paper discusses a proposed solution: the visual modeling workflow. A diagram or a group of...
- White papers 2004-11-11
- Modeling Concurrent Operational Interruptions in Construction Activities With Simplified Discrete Event Simulation Approach (SDESA)
- This paper introduces an enhanced version of the Simplified Discrete Event Simulation Approach SDESA by incorporating a concurrent interruptions model, which is intended to make construction simulations more realistic without compromising the simplicity of original SDESA. Particular emphasis is placed on how model the effects of operational interruptions upon the...
- White papers 2004-11-11
- Module-Based Modeling of Flow-Type Multistage Manufacturing Systems Adopting Dual-Card Kanban System
- A systematic procedure of module-based modeling is designed and proposed to develop a simulation of any flow type multistage manufacturing system adopting especially the dual-card Kanban system. First, functional analysis is performed to present kanban flows exactly in the same fashion in a simulation model as they are actually appeared...
- White papers 2004-11-11
- An Architecture for Distributed Simulation Games
- This paper gives a description of architecture for internet mediated simulation games. A Java based implementation of the services which span the architecture resulted in a "ready to use" design of a simulation core and multiple remote user interfaces. The architecture presented in this paper shows the various possibilities for...
- White papers 2004-11-11
- Visualization of Probabilistic Business Models
- One of the main challenges in the modeling of business problems is to provide the modeler and the user with meaningful visual tools. The business model is usually presented by different types of flow charts and diagrams. If the modeling process is simplified in how it is represented to the...
- White papers 2003-10-31
- Reducing Human Error in Simulation in General Motors
- This paper focuses on the steps taken to minimize human error in simulation modeling in General Motors. While errors are costly and undesirable in any field, they are especially harmful in simulation which has been struggling to gain acceptance in the business world for a long time. The solution discussed...
- White papers 2003-10-31
- Agent-Based Modeling and Simulation in Construction
- Agent-based Modeling and Simulation ABMS is a relatively new development that has found extensive use in areas such as social sciences, economics, biology, ecology etc. Can ABMS be effectively used in finding answers to complex construction systems? The focus of this paper is to provide some answers to this question....
- White papers 2003-10-31
- Special Purpose Simulation Modeling of Tower Cranes
- This paper describes the special purpose simulation template, which is based on the tower crane operations performed by PCL Constructors. On-site management of the tower crane resource is based on prioritized work tasks that need to be performed within a set period of time. Traditional SPS modeling techniques use 'relationship...
- White papers 2002-11-15
- The Role of Modeling Demand in Process Re-Engineering
- Process modeling of airline passenger processes from their arrival at the airport until they board their flight requires a model of the arrival process of passengers at the airport. The model of passenger arrival describes the varying arrival rate of passengers at the airport. This paper describes a method for...
- White papers 2002-11-15
- EZStrobe-General-Purpose Simulation System Based on Activity Cycle Diagrams
- EZStrobe is a very simple but powerful general-purpose simulation system designed for modeling construction operations, but domain independent and thus useful for modeling a wide variety of systems in any discipline. EZStrobe is based on Activity Cycle Diagrams and employs the Three-Phase Activity Scanning paradigm. It is therefore naturally adept...
- White papers 2001-11-14
- E-Commerce and Operations Research in Airline Planning, Marketing, and Distribution
- Many e-commerce principles were pioneered in the airline industry. These include the ?rst business-to-business electronic information exchange and industry wide electronic marketplace. This environment provided unprecedented opportunity for operations research OR modeling. By the mid-1980s airlines used customer shopping data to calibrate traveler demand- and-choice models, analyzed multi-channel product distribution...
- White papers 2001-04-01
- A Simulation Study of the Radiology Department at JMH
- This paper discusses a study of the Radiology department at Jackson Memorial Hospital. The animated simulation model was fed data from the operations database. Several inefficiencies were identified, and suggestions for improvement were explored. These adjustments included six scenarios: Current system, Modeling each procedure to take place with the assistance...
- White papers 2000-11-13
- Productivity Modeling of Semiconductor Manufacturing Equipment
- Optimizing a semiconductor wafer fab requires balancing technology and productivity. Recent work on productivity modeling will be described and focus on discrete event simulation models of unitary tool, modules, and whole fab. In addition, some related cost-modeling aspects will be presented. The presentation provides a case study performed to analyze...
- White papers 2000-11-13
- A Methodology for Developing Robotic Workcell Simulation Models
- Robotic workcell simulation is a modeling-based problem solving approach developed for the design, analysis, and offline programming of robotic workcells. Current industrial practices show that commercial robotic simulation software packages are able to provide designers with an interactive and virtual environment in which credible solutions for robotic workcell designs can...
- White papers 2000-11-13
- Simulation Modeling and Analysis of New International Terminal
- This paper describes project involving the development of simulation models for the new international terminal at Istanbul Ataturk Airport, Istanbul, Turkey. The simulation models helped evaluate the passenger and aircraft flow from the terminal entrance to boarding; identify the system bottlenecks as well as the system capacities. The models have...
- White papers 2000-11-13
- Simulation of the Drug Development Process: A Case Study From the Pharmaceutical Industry
- This paper uses a case study from the pharmaceutical industry to show how simulation modeling can be applied to understanding large, highly-complex processes such as drug development. The paper concludes that simulation provides an enhanced resource planning capability compared with that provided by traditional spreadsheet analysis. This capability difference stems...
- White papers 2000-11-13
Additional Resources
- China Chromium Market Report, 2008-2010 Provides the Latest Development Trends for the Global and Chinese Chromium Industries
- DUBLIN, Ireland -- Research and Markets (http://www.researchandmarkets.com/research/7a8e86/china_chromium_mar) has announced the addition of the "China Chromium Market Report, 2008-2010" report to their offering. Up to now, the report is the most detailed research report on the Chinese Chromium market. It can provide the latest development trends of both the...
- Articles 2008-07-16
- Innovative Wireless Technologies Provides Critical Component to Successful L-3 Wireless Mesh Communications Solution
- FOREST, Va. -- Innovative Wireless Technologies IWT today announced that in-mine operation of its wireless mesh communications technology was successfully demonstrated as part of L-3 Communications' Wireless Mesh Mine Communications System. IWT is providing its communications technology to the team led by L-3's Global Security & Engineering Solutions (GS&ES) division...
- Articles 2008-07-15
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