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Proceeding of the 2001 Winter Simulation Conference (Cat. No.01CH37304)

9-12 Dec. 2001

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  • Proceedings of the 2001 Winter Simulation Conference [front matter]

    Publication Year: 2001, Page(s):i - xx
    IEEE is not the copyright holder of this material | PDF file iconPDF (770 KB)
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  • Panel session: the future of simulation

    Publication Year: 2001, Page(s):1453 - 1460
    Cited by:  Papers (2)
    IEEE is not the copyright holder of this material | PDF file iconPDF (860 KB)
    Freely Available from IEEE
  • Panel session- education for simulation practice-five perspectives

    Publication Year: 2001, Page(s):1571 - 1579
    Cited by:  Papers (2)
    IEEE is not the copyright holder of this material | PDF file iconPDF (984 KB)
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  • Author directory

    Publication Year: 2001, Page(s):1643 - 1678
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  • Author index

    Publication Year: 2001, Page(s):1681 - 1685
    IEEE is not the copyright holder of this material | PDF file iconPDF (227 KB)
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  • Use of Six Sigma to optimize Cordis sales administration and order and revenue management process

    Publication Year: 2001, Page(s):1252 - 1258 vol.2
    Cited by:  Papers (2)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (393 KB) | HTML iconHTML

    Cordis Corporation, a Johnson and Johnson Company, undertook a project to reduce the sales representatives administrative tasks by 50% and to optimize the order and revenue management process for its customers. The existing process was complex, consisting of numerous handoffs, non-integrated systems, and duplication of work. Due to these issues, sales representatives and sales administration were ... View full abstract»

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  • Simulation-based solution of load-balancing problems in the photolithography area of a semiconductor wafer fabrication facility

    Publication Year: 2001, Page(s):1170 - 1177 vol.2
    Cited by:  Papers (14)  |  Patents (2)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (590 KB) | HTML iconHTML

    Presents the results of a simulation study for the solution of load-balancing problems in a semiconductor wafer fabrication facility. In the bottleneck area of photolithography the steppers form several different subgroups. These subgroups differ, for example, in the size of the masks that have to be used for processing lots on the steppers of a single group. During lot release it is necessary to ... View full abstract»

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  • Implementation of response surface methodology using variance reduction techniques in semiconductor manufacturing

    Publication Year: 2001, Page(s):1225 - 1230 vol.2
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (461 KB) | HTML iconHTML

    Semiconductor manufacturing is generally considered a cyclic industry. As such, individual producers able to react quickly and appropriately to market conditions will have a competitive advantage. Manufacturers who maintain low work in process inventory, ensure that specialized equipment is in good repair, and produce quality products at least possible cost will have the best opportunities to effe... View full abstract»

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  • Architecture using Jini technology for simulation of an agent-based transportation system

    Publication Year: 2001, Page(s):1079 - 1083 vol.2
    Cited by:  Papers (1)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (422 KB) | HTML iconHTML

    This paper describes an architecture for the simulation of a transportation system that uses agent technology to deliver people and goods from their origins to their destinations. The intent of the architecture is to analyze incremental changes to the existing transportation paradigm to determine what type of system we could plan for in the future. Each entity within the system that has computatio... View full abstract»

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  • Simulation data exchange (SDX) implementation and use

    Publication Year: 2001, Page(s):1473 - 1477 vol.2
    Cited by:  Papers (6)  |  Patents (1)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (397 KB) | HTML iconHTML

    Facility layouts of existing or proposed production systems often form the basis of a dynamic simulation study to prove the design concept and to determine if the required throughput (jobs per hour) can be achieved. Traditionally, this requires the simulation engineer to duplicate the CAD drawing in the simulation environment before being able to model it. With sophisticated manufacturing systems ... View full abstract»

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  • Distributed simulation with incorporated APS procedures for high-fidelity supply chain optimization

    Publication Year: 2001, Page(s):1138 - 1145 vol.2
    Cited by:  Papers (18)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (770 KB) | HTML iconHTML

    Tactical and operational planning for manufacturing enterprises are more important today than ever before as their supply chains span the globe. Two state-of-the-art technologies that are critical to success are discrete event simulation and advanced planning and scheduling. They are commonly applied in designing and executing operations at each site within the supply chain. However, as supply cha... View full abstract»

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  • A crowd of Little Man Computers: visual computer simulator teaching tools

    Publication Year: 2001, Page(s):1632 - 1639 vol.2
    Cited by:  Papers (2)  |  Patents (1)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (776 KB) | HTML iconHTML

    This paper describes the use of a particular type of computer simulator as a tool for teaching computer architecture. The Little Man Computer (LMC) paradigm was developed by Stuart Madnick of MIT in the 1960s and has stood the test of time as a conceptual device that helps students understand the basics of how a computer works. With the success of the LMC paradigm, LMC simulators have also prolife... View full abstract»

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  • An empirical validation of a duality model of TCP and queue management algorithms

    Publication Year: 2001, Page(s):1269 - 1274 vol.2
    Cited by:  Papers (2)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (423 KB) | HTML iconHTML

    In this paper we validate through simulations a duality model of TCP and active queue management (AQM) proposed earlier. In this model, TCP and AQM are modeled as carrying out a distributed primal-dual algorithm over the Internet to maximize aggregate source utility. TCP congestion avoidance algorithms, such as Reno and Vegas, iterate on source rates, the primal variable. AQM algorithms, such as R... View full abstract»

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  • Dow Chemical design for Six Sigma rail delivery project

    Publication Year: 2001, Page(s):1248 - 1251 vol.2
    Cited by:  Papers (3)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (276 KB) | HTML iconHTML

    Dow Chemical needed to find a solution that would enable them to meet the forecasted increase in demand for a line of products. In order to find the most cost effective solution that met all project criteria, Dow Chemical implemented Six Sigma principles. By utilizing the Six Sigma methodology combined with discrete event simulation, Dow was able to devise a solution that would allow them to meet ... View full abstract»

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  • How "overstaffing" at bottleneck machines can unleash extra capacity

    Publication Year: 2001, Page(s):1163 - 1169 vol.2
    Cited by:  Papers (1)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (513 KB) | HTML iconHTML

    Using simulation, Headway Technologies predicted that increasing staffing among a group of already lightly loaded machine operators - "overstaffing" would significantly improve throughput of its factory. This was counterintuitive since the operators already had significant idle time. Yet time studies confirmed that bottleneck equipment for which these operators were responsible was spending over 2... View full abstract»

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  • The shortest processing time first (SPTF) dispatch rule and some variants in semiconductor manufacturing

    Publication Year: 2001, Page(s):1220 - 1224 vol.2
    Cited by:  Papers (31)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (308 KB) | HTML iconHTML

    Looking for appropriate dispatch rules for semiconductor fabrication facilities (wafer fabs), practitioners often intend to use the Shortest Processing Time First (SPTF) rule because it is said to reduce cycle times. In our study, we show, however, that this positive effect on cycle times can be achieved in single machine systems but not necessarily in complete wafer fabs. In addition, we discuss ... View full abstract»

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  • Choosing among seven BASES

    Publication Year: 2001, Page(s):1443 - 1449 vol.2
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (518 KB) | HTML iconHTML

    In this paper, the selection of a BASE Case was every bit as important as the simulation itself. The production team had been familiar with simulations and had used their results on previous projects. The team was concerned with the design of additional capacity for a current production line along with their ability to gain approval for the proposed project. They knew that simulation could be the ... View full abstract»

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  • Simulation of a night taxi-bus service for the historical center of Rome

    Publication Year: 2001, Page(s):1072 - 1078 vol.2
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (628 KB) | HTML iconHTML

    The Municipality of Rome plans to introduce a taxi-bus system as a night service. A micro-simulation model was developed to estimate the needed information. Two major topics regarding this model are presented. First, the iteration process for input parameters is described. The number of potential customers is determined by means of an external modal split model. Two input parameters (frequency of ... View full abstract»

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  • Scheduling batch processing machines in complex job shops

    Publication Year: 2001, Page(s):1200 - 1207 vol.2
    Cited by:  Papers (4)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (602 KB) | HTML iconHTML

    This paper considers a complex job shop problem with reentrant flow and batch processing machines. A modified shifting bottleneck heuristic (MSB) is considered for generating machine schedules to minimize the total weighted tardiness. We observe that the MSB could produce infeasible schedules where cyclic schedules are found. A cycle elimination procedure is proposed to remove the possibility of t... View full abstract»

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  • Integrating capacity simulation into process planning

    Publication Year: 2001, Page(s):1470 - 1472 vol.2
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (222 KB) | HTML iconHTML

    Process planning in the automotive industry is referred to as advance manufacturing engineering, because it is done in advance of production-before the facilities are created. When developing these processes, simulation is typically done by service groups, not the process planner, resulting in communication errors and unnecessary iterations. Software applications are now becoming available that no... View full abstract»

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  • Staging queues in material handling and transportation systems

    Publication Year: 2001, Page(s):1104 - 1108 vol.2
    Cited by:  Papers (5)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (382 KB) | HTML iconHTML

    In most physical queueing applications, customers join a queue and move forward after each service, leaving room for others to join behind them. Some queues found in material handling and transportation systems do not operate like this because the queued entities (pallets or unoccupied cars, for example) are incapable of moving forward autonomously. We develop a model for the resulting staging que... View full abstract»

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  • Development of a high-level supply chain simulation model

    Publication Year: 2001, Page(s):1129 - 1137 vol.2
    Cited by:  Papers (16)  |  Patents (1)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (859 KB) | HTML iconHTML

    This paper describes an effort that involved development of a simulation model for evaluating the business processes and inventory control parameters of a logistics and distribution supply chain. A generic simulation tool, rather than a supply chain simulator, was developed for meeting customized needs of the effort. The paper describes, the approaches used to model at the selected level of abstra... View full abstract»

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  • On the use of fuzzy clustering in construction simulation

    Publication Year: 2001, Page(s):1547 - 1555 vol.2
    Cited by:  Papers (1)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1051 KB) | HTML iconHTML

    This paper presents a methodology that integrates fuzzy clustering and computer simulation and demonstrates its use in modeling earthmoving operations. A simulation system (SimEarth) was developed to model earthmoving operations utilizing object-oriented features and discrete event simulation. Fuzzy clustering is used to provide realistic estimates of haulers' travel time so as to improve the accu... View full abstract»

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  • Assessment of student preparation for discrete event simulation courses

    Publication Year: 2001, Page(s):1624 - 1631 vol.2
    Cited by:  Papers (1)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (633 KB) | HTML iconHTML

    Over the past years, there has been a growth in simulation courses both at undergraduate and postgraduate levels. A discrete event simulation course, as with any non-basic course, has some prerequisites that must be satisfied by students before attending classes. Statistics, computer programming and modeling are the most important, together with knowledge on the specific field being simulated (man... View full abstract»

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  • Multi-objective simulation optimization for a cancer treatment center

    Publication Year: 2001, Page(s):1405 - 1411 vol.2
    Cited by:  Papers (13)  |  Patents (3)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (538 KB) | HTML iconHTML

    The paper presents a case study application of a cancer treatment center facility. A simulation model was created and integrated to a multi-objective optimization heuristic developed by the authors with the purpose of finding the best combination of control variables that optimize the performance of four different objectives related to the system. The results obtained show that the implementation ... View full abstract»

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