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2008 Winter Simulation Conference最新文献

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A simulation approach to the evaluation of operational costs and performance in liner shipping operations 班轮运输运营成本和绩效评估的模拟方法
2008 Winter Simulation Conference Pub Date : 2008-12-07 DOI: 10.1109/WSC.2008.4736370
A. A. McLean, W. Biles
{"title":"A simulation approach to the evaluation of operational costs and performance in liner shipping operations","authors":"A. A. McLean, W. Biles","doi":"10.1109/WSC.2008.4736370","DOIUrl":"https://doi.org/10.1109/WSC.2008.4736370","url":null,"abstract":"This paper presents a simulation model of the operation of a liner shipping network that considers multiple service routes and schedules. The objective is to evaluate the operational costs and performance associated with liner shipping, as well as the impact of individual service schedules on the overall system. The approach proposes a discrete-event simulation model where shipping activities, container ship operations, and intermodal container movements are considered. The model allows for direct and transshipment operations of container cargo, and the evaluation of fuel consumption and other logistics metrics. The model is used to evaluate a liner shipping network consisting of four service routes, up to 64 container ships, and up to 20 ports with diverse physical characteristics and cost components. The results show the contribution of service routes, ports, container ships, and containers to the cost and performance of the system.","PeriodicalId":162289,"journal":{"name":"2008 Winter Simulation Conference","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115612397","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 21
Optimizing inspection strategies for multi-stage manufacturing processes using simulation optimization 基于仿真优化的多阶段制造过程检测策略优化
2008 Winter Simulation Conference Pub Date : 2008-12-07 DOI: 10.1109/WSC.2008.4736291
Vahid Sarhangian, A. Vaghefi, H. Eskandari, M. Ardakani
{"title":"Optimizing inspection strategies for multi-stage manufacturing processes using simulation optimization","authors":"Vahid Sarhangian, A. Vaghefi, H. Eskandari, M. Ardakani","doi":"10.1109/WSC.2008.4736291","DOIUrl":"https://doi.org/10.1109/WSC.2008.4736291","url":null,"abstract":"This paper deals with the problem of determining the optimal inspection strategy for a multi-stage production process using simulation optimization. An optimal inspection strategy is the one that results in the lowest total inspection cost, while still assuring a required output quality. Because of the complexity of the problem, simulation is used to model the multi-stage process subject to inspection and to calculate the resulting inspection costs. Simulation optimization is then used to find the optimal inspection strategy. The performance of the proposed method is presented through the use of a numerical example.","PeriodicalId":162289,"journal":{"name":"2008 Winter Simulation Conference","volume":"132 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124271615","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 10
Productivity evaluation of 56” pipe production unit 56 "管材生产装置产能评价
2008 Winter Simulation Conference Pub Date : 2008-12-07 DOI: 10.1109/WSC.2008.4736426
Soheil Mardani, Mohammad Alkatheer
{"title":"Productivity evaluation of 56” pipe production unit","authors":"Soheil Mardani, Mohammad Alkatheer","doi":"10.1109/WSC.2008.4736426","DOIUrl":"https://doi.org/10.1109/WSC.2008.4736426","url":null,"abstract":"Simulation is not only used for future forecasting, it is also used to analyze the past. Ahwaz Pipe Mills is producing wide variety of diameter sizes (12\" to 56\") all capable of meeting a large diversity of customer requirements for gas/oil and water in past 30 years The basic process of pipe production is not complex. The steel sheets pass several press and welding machines to form a pipe. Due to the necessary buffers and inspection stages it becomes complex. One of the most important challenges at the plants are the downtimes of the equipment which requires the production system to be dynamic. According this uncertainty measuring the amount of time that the whole production line is idle is almost an impossible job. Applying simulation techniques at APM has been done with two main goals: Increase productivity and to use production resources more effectively & analyzing past production operations.","PeriodicalId":162289,"journal":{"name":"2008 Winter Simulation Conference","volume":"46 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116926958","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Impact of qualification management on scheduling in semiconductor manufacturing 资质管理对半导体生产调度的影响
2008 Winter Simulation Conference Pub Date : 2008-12-07 DOI: 10.1109/WSC.2008.4736302
C. Johnzen, P. Vialletelle, S. Dauzére-Pérés, C. Yugma, Alexandre Derreumaux
{"title":"Impact of qualification management on scheduling in semiconductor manufacturing","authors":"C. Johnzen, P. Vialletelle, S. Dauzére-Pérés, C. Yugma, Alexandre Derreumaux","doi":"10.1109/WSC.2008.4736302","DOIUrl":"https://doi.org/10.1109/WSC.2008.4736302","url":null,"abstract":"A qualification management software that proposes recipe qualifications on tools in toolsets for semiconductor manufacturing has been developed. The qualification proposals are based on flexibility measures that have been shown to model capacity allocation in semiconductor workshops. In this paper, qualifications are used in order to see how increased flexibility for the capacity allocation improve scheduling. For this a scheduler simulator for the photolithography area has been used. Tests prove that qualifications - if they are well managed - both enable the simulator to achieve better scheduling and enable toolsets to be less sensitive to tool breakdowns.","PeriodicalId":162289,"journal":{"name":"2008 Winter Simulation Conference","volume":"45 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117258454","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 18
The improvement of deformations and charateristics of HGA during clamping using finite element analysis 用有限元分析方法改善了HGA在装夹过程中的变形和特性
2008 Winter Simulation Conference Pub Date : 2008-12-07 DOI: 10.1109/WSC.2008.4736207
Thoatsanope Kamnerdtong, S. Chutima, Jukkraphun Parirukvijit
{"title":"The improvement of deformations and charateristics of HGA during clamping using finite element analysis","authors":"Thoatsanope Kamnerdtong, S. Chutima, Jukkraphun Parirukvijit","doi":"10.1109/WSC.2008.4736207","DOIUrl":"https://doi.org/10.1109/WSC.2008.4736207","url":null,"abstract":"This paper presents the study of Head Gimbal Assembly (HGA) clamping for characteristic parameters measurement which is an important stage of hard disk drive assembly process. During clamping, HGA is deformed. The values of static attitude and gram load which are significant characteristics of HGA are affected and could exceed acceptable values. Consequently, a lot of HGAs are rejected or these might decrease the performance and the read-write precision of hard disk drive. In this research, finite element analysis is performed to study the behaviors of HGA under various clamping forces and configurations for the process development. Results show that using lower clamping force and having rectangular shape for the upper part and with fillet for the lower part of clamping unit have less deformation than the other configurations of clamping. These make considerable improvement of parameter measurement during HGA clamping process efficiently and effectively.","PeriodicalId":162289,"journal":{"name":"2008 Winter Simulation Conference","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121280744","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Linear modeling and simulation of low-voltage electric system for single-point vulnerability assessment of military installation 军事设施低压电力系统单点易损性评估的线性建模与仿真
2008 Winter Simulation Conference Pub Date : 2008-12-07 DOI: 10.1109/WSC.2008.4736192
E. C. Portante, T. Taxon, J. Kavicky, Tarek Abdallah, Timothy K. Perkins
{"title":"Linear modeling and simulation of low-voltage electric system for single-point vulnerability assessment of military installation","authors":"E. C. Portante, T. Taxon, J. Kavicky, Tarek Abdallah, Timothy K. Perkins","doi":"10.1109/WSC.2008.4736192","DOIUrl":"https://doi.org/10.1109/WSC.2008.4736192","url":null,"abstract":"This paper describes the formulation and development of a linear model to support the single-point vulnerability assessment of electric distribution systems at existing and future U.S. Department of Defense (DoD) military sites. The model uses flow sensitivity factors to rank candidates for designation as ¿critical components¿ and uses triggered cascading line outages to confirm the component¿s criticality. The model is written in Java and integrated in a package that employs a user-friendly graphical user interface (GUI) for convenient display of results. This paper describes the process used to formulate the model and presents a sample application.","PeriodicalId":162289,"journal":{"name":"2008 Winter Simulation Conference","volume":"57 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127153390","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Modeling and simulation of e-mail social networks: A new stochastic agent-based approach 电子邮件社交网络的建模与仿真:一种新的基于随机代理的方法
2008 Winter Simulation Conference Pub Date : 2008-12-07 DOI: 10.1109/WSC.2008.4736399
Fabian Menges, B. Mishra, G. Narzisi
{"title":"Modeling and simulation of e-mail social networks: A new stochastic agent-based approach","authors":"Fabian Menges, B. Mishra, G. Narzisi","doi":"10.1109/WSC.2008.4736399","DOIUrl":"https://doi.org/10.1109/WSC.2008.4736399","url":null,"abstract":"Understanding how the structure of a network evolves over time is one of the most interesting and complex topics in the field of social networks. In our attempt to model the dynamics of such systems, we explore an agent-based approach to model growth of email-based social networks, in which individuals establish, maintain and allow atrophy of links through contact-lists and e-mails. The model is based on the idea of common neighbors, but also on a detailed specialization of the classical preferential attachment theory, thus capturing a deeper understanding of the topology of inter-node connections. In our event-based simulation that schedules the agents¿ actions over time, the proposed model is amenable to significant efficiency improvements through an application of the Gillespie stochastic simulation schemes. Computer simulation results are used to validate the model by showing that its unique features endow it with ability to simulate real-world email networks with convincing realism.","PeriodicalId":162289,"journal":{"name":"2008 Winter Simulation Conference","volume":"76 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127288828","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 24
Using slithers of simulation in a new approach for intelligent initialization of non-terminating systems 在非终止系统的智能初始化中，采用仿真滑块的新方法
2008 Winter Simulation Conference Pub Date : 2008-12-07 DOI: 10.1109/WSC.2008.4736112
P. Brabazon
{"title":"Using slithers of simulation in a new approach for intelligent initialization of non-terminating systems","authors":"P. Brabazon","doi":"10.1109/WSC.2008.4736112","DOIUrl":"https://doi.org/10.1109/WSC.2008.4736112","url":null,"abstract":"Reduction and even avoidance of the initial transient is known to be possible using intelligent initialization but it is not an approach that has been actively researched for some time. Using ideas from complexity science and informed by the recently developed equation-free technique a new method for identifying initializing conditions is developed. Many short bursts of simulation, called slithers, are used to construct the dynamic function of a system. Importantly, the function reveals the point attractor of the dynamic system to which it will evolve and the conditions at the attractor define the initializing conditions for future simulation runs. The method is demonstrated by application to a queuing network.","PeriodicalId":162289,"journal":{"name":"2008 Winter Simulation Conference","volume":"85 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124997232","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Simulations-based and solver-based optimization approaches for batch processes in semiconductor manufacturing 半导体制造中基于仿真和基于求解器的批处理优化方法
2008 Winter Simulation Conference Pub Date : 2008-12-07 DOI: 10.1109/WSC.2008.4736300
A. Klemmt, S. Horn, G. Weigert, T. Hielscher
{"title":"Simulations-based and solver-based optimization approaches for batch processes in semiconductor manufacturing","authors":"A. Klemmt, S. Horn, G. Weigert, T. Hielscher","doi":"10.1109/WSC.2008.4736300","DOIUrl":"https://doi.org/10.1109/WSC.2008.4736300","url":null,"abstract":"Scheduling is one of the key factors for semiconductor fabrication productivity. Objectives like lot cycle time and throughput must be optimized to push the technological development and secure the existence on the rapid growing global market. But especially in the frontend the manufacturing process is dominated by cluster-tools and reentrance flows which makes a production planning and optimization very hard. The workflow here is mostly controlled only by dispatch rules. To get a further improvement in manufacturing planning strategies, there is an increasing request of exact or simulation-based solution methods for specified work centers or bottleneck machine groups. One example of this is the semiconductor oven process. Here, complex batch processes with a lot of restrictions have to be scheduled. A reduction of cycle time in this section by optimized manufacturing strategies has a great influence on all global optimization objectives. Two approaches are investigated in this paper.","PeriodicalId":162289,"journal":{"name":"2008 Winter Simulation Conference","volume":"289 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125882212","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 28
A particle filtering framework for randomized optimization algorithms 随机优化算法的粒子滤波框架
2008 Winter Simulation Conference Pub Date : 2008-12-07 DOI: 10.1109/WSC.2008.4736125
Enlu Zhou, M. Fu, S. Marcus
{"title":"A particle filtering framework for randomized optimization algorithms","authors":"Enlu Zhou, M. Fu, S. Marcus","doi":"10.1109/WSC.2008.4736125","DOIUrl":"https://doi.org/10.1109/WSC.2008.4736125","url":null,"abstract":"We propose a framework for optimization problems based on particle filtering (also called Sequential Monte Carlo method). This framework unifies and provides new insight into randomized optimization algorithms. The framework also sheds light on developing new optimization algorithms through the freedom in the framework and the various improving techniques for particle filtering.","PeriodicalId":162289,"journal":{"name":"2008 Winter Simulation Conference","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125522351","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 28
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