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2017 Winter Simulation Conference (WSC)最新文献

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Enhancing pattern search for global optimization with an additive global and local Gaussian Process model 利用全局加性高斯过程和局部加性高斯过程模型增强全局优化的模式搜索
2017 Winter Simulation Conference (WSC) Pub Date : 2017-12-03 DOI: 10.1109/WSC.2017.8247942
Qun Meng, S. Ng
{"title":"Enhancing pattern search for global optimization with an additive global and local Gaussian Process model","authors":"Qun Meng, S. Ng","doi":"10.1109/WSC.2017.8247942","DOIUrl":"https://doi.org/10.1109/WSC.2017.8247942","url":null,"abstract":"Optimization of complex real-time control systems often requires efficient response to any system changes over time. By combining pattern search optimization with a fast estimated Gaussian Process model, we are able to perform global optimization more efficiently for response surfaces with multiple local minimums or even dramatic changes over the design space. Our approach extends pattern search for global optimization problems by incorporating the global and local information provided by an additive global and local Gaussian Process model. We further develop a global search method to identify multiple promising local regions for parallel implementation of local pattern search. We demonstrate our methods on a standard test problem.","PeriodicalId":145780,"journal":{"name":"2017 Winter Simulation Conference (WSC)","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-12-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122730263","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 as the practice of representation 建模作为表现的实践
2017 Winter Simulation Conference (WSC) Pub Date : 2017-12-03 DOI: 10.1109/WSC.2017.8248133
P. Fishwick
{"title":"Modeling as the practice of representation","authors":"P. Fishwick","doi":"10.1109/WSC.2017.8248133","DOIUrl":"https://doi.org/10.1109/WSC.2017.8248133","url":null,"abstract":"One of the characteristics of being human is to model. In our history, we began with representations of animals made from natural materials, and painted on cave walls. We also made regular marks on animal bones. While the modern accounting of these products is art (animal representations) and mathematics (bone marks), a more comprehensive understanding points to modeling in both cases. We saw or imagined things, and then we made models of our experience. One could say to be human is to model. Since the inception of modeling, we created areas of knowledge and have divided things into many groups. These groups have sub-groups to where our knowledge resembles a large house with its artificial partitions. And yet, modeling is still pervasive although it differs slightly in form among these subdivisions that we now refer to as disciplines. Since modeling is ubiquitous, it serves as a basis to reframe our activities in the information age. We claim that models are natural transformers from human experience to information; to create information for object X, create a model of X. Even simplistic activities such as grabbing a drink from the refrigerator or taking a walk translate into information management and processing, made evident through modeling.","PeriodicalId":145780,"journal":{"name":"2017 Winter Simulation Conference (WSC)","volume":"256 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-12-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122655845","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: 5
Potential of runway capacity enhancements without building a new runway 在不兴建新跑道的情况下提升跑道容量的潜力
2017 Winter Simulation Conference (WSC) Pub Date : 2017-12-03 DOI: 10.1109/WSC.2017.8247987
S. Kern
{"title":"Potential of runway capacity enhancements without building a new runway","authors":"S. Kern","doi":"10.1109/WSC.2017.8247987","DOIUrl":"https://doi.org/10.1109/WSC.2017.8247987","url":null,"abstract":"Runway expansion planning is mainly based on specific airport studies, complicating the transfer of results to another airport. Thus a normalized airport is introduced, including a set of technologies/procedures, to investigate possibilities to gain runway capacity. The advantage of this approach is the comparability of different enhancements and understanding their effectiveness under different situations. So before establishing a new runway the current runway structure can be used more efficiently, leading to optimal solutions for individual constraints. This is shown for a set of operational enhancements like runway usage strategy or sequencing, studied under different traffic mixes as well as arrival-departure ratios. Hereby the main focus of this paper is set to dependent parallel runway configurations.","PeriodicalId":145780,"journal":{"name":"2017 Winter Simulation Conference (WSC)","volume":"77 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-12-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114432707","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
Using agent based modeling to replicate origins of social complexity: The case of limited evidence in the late Longshan cultures and early Erlitou culture 基于主体的模型复制社会复杂性的起源——以龙山文化晚期和二里头文化早期的有限证据为例
2017 Winter Simulation Conference (WSC) Pub Date : 2017-12-03 DOI: 10.1109/WSC.2017.8248142
Carmen Iasiello
{"title":"Using agent based modeling to replicate origins of social complexity: The case of limited evidence in the late Longshan cultures and early Erlitou culture","authors":"Carmen Iasiello","doi":"10.1109/WSC.2017.8248142","DOIUrl":"https://doi.org/10.1109/WSC.2017.8248142","url":null,"abstract":"Within the archaeological record for Bronze Age Chinese culture, there continues to be a gap in our understanding of the sudden rise of the Erlitou State from the previous late Longshan chiefdoms. In order to examine this period, I develop and use an agent based model (ABM) to explore possible sociopolitically relevant hypotheses for the gap between the demise of the late Longshan cultures and rise of the first state level society in East Asia. I test land use strategy making and collective action in response to drought and flooding scenarios, the two plausible environmental hazards at that time. The model results show cases of emergent behavior where an increase in social complexity could have been experienced if a catastrophic event occurred while the population was sufficiently prepared for a different catastrophe, suggesting a plausible lead for future research into determining the life of the time period.","PeriodicalId":145780,"journal":{"name":"2017 Winter Simulation Conference (WSC)","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-12-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114508747","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
Conceptual framework for an automated battle planning system in combat simulations 战斗模拟中自动作战规划系统的概念框架
2017 Winter Simulation Conference (WSC) Pub Date : 2017-12-03 DOI: 10.1109/WSC.2017.8248122
Byron R. Harder, C. Blais, Imre Balogh
{"title":"Conceptual framework for an automated battle planning system in combat simulations","authors":"Byron R. Harder, C. Blais, Imre Balogh","doi":"10.1109/WSC.2017.8248122","DOIUrl":"https://doi.org/10.1109/WSC.2017.8248122","url":null,"abstract":"Automated planning is a key to unlocking the next generation of human behavior modeling for military simulations. Automated planning is distinguished from other dynamic behavior by its ability to reason with predictions or assumptions about future outcomes, which has traditionally been left to the meticulous effort of human modelers. In this paper, we present a conceptual planning framework as an architectural roadmap for the development of this kind of capability in support of modeling and simulation. This paper also presents an initial implementation of the framework in a representative combat simulation for exploring potential future opportunities for community advancement of the planning techniques.","PeriodicalId":145780,"journal":{"name":"2017 Winter Simulation Conference (WSC)","volume":"36 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-12-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121879971","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
Simulating networks with NS-3 and enhancing realism with DCE 用NS-3模拟网络，用DCE增强真实感
2017 Winter Simulation Conference (WSC) Pub Date : 2017-12-03 DOI: 10.1109/WSC.2017.8247825
Jared S. Ivey, B. Swenson, G. Riley
{"title":"Simulating networks with NS-3 and enhancing realism with DCE","authors":"Jared S. Ivey, B. Swenson, G. Riley","doi":"10.1109/WSC.2017.8247825","DOIUrl":"https://doi.org/10.1109/WSC.2017.8247825","url":null,"abstract":"Communication networks are constantly evolving with new technologies providing greater quality, resiliency, and security to the data traversing current networks. In this ever-changing field, simulation provides an avenue for examining the traffic within new or existing networks. In simulating a network, characteristics and metrics of the topology may be derived without interfering with the existing framework or incurring an immediate hardware or software cost. The popular network simulator ns-3 is an effective tool for studying these network behaviors. This talk presents an overview of ns-3, discussing its design as a discrete event network simulator and its capabilities. Code snippets will be examined, demonstrating how to configure a network topology in simulation, generate packet traffic to traverse the simulated network, visualize the network behaviors, and glean metrics from the simulation. A subproject of ns-3, Direct Code Execution (DCE), is also described, demonstrating a mechanism for deploying real-world applications within the simulation.","PeriodicalId":145780,"journal":{"name":"2017 Winter Simulation Conference (WSC)","volume":"10 6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-12-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122052411","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
Towards an automated framework for agent-based simulation of refugee movements 建立基于代理人的难民流动模拟的自动化框架
2017 Winter Simulation Conference (WSC) Pub Date : 2017-12-03 DOI: 10.1109/WSC.2017.8247870
D. Suleimenova, David Bell, D. Groen
{"title":"Towards an automated framework for agent-based simulation of refugee movements","authors":"D. Suleimenova, David Bell, D. Groen","doi":"10.1109/WSC.2017.8247870","DOIUrl":"https://doi.org/10.1109/WSC.2017.8247870","url":null,"abstract":"Forced migration is a growing global problem, and the world now has a record amount of 22.5 million refugees. Models that predict refugee movements are few and far between, and constructing these models requires a substantial amount of manual effort while erupting refugee crises require a very rapid response. Here we present a vision towards establishing an automated framework, aimed to enable researchers to construct simulations of refugee movements more quickly and systematically. Our approach incorporates a diverse range of data sources, and uses the FabSim toolkit in conjunction with the Flee simulation code to quickly generate simulation workflows. In addition, we highlight a few key steps that we have already taken towards realizing this vision and discuss opportunities for wider applicability.","PeriodicalId":145780,"journal":{"name":"2017 Winter Simulation Conference (WSC)","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-12-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122165146","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: 12
Analyzing and simplifying model uncertainty in fuzzy cognitive maps 模糊认知图模型不确定性分析与简化
2017 Winter Simulation Conference (WSC) Pub Date : 2017-12-03 DOI: 10.1109/WSC.2017.8247923
E. Lavin, P. Giabbanelli
{"title":"Analyzing and simplifying model uncertainty in fuzzy cognitive maps","authors":"E. Lavin, P. Giabbanelli","doi":"10.1109/WSC.2017.8247923","DOIUrl":"https://doi.org/10.1109/WSC.2017.8247923","url":null,"abstract":"Fuzzy Cognitive Mapping (FCM) represents the ‘mental model’ of individuals as a causal network equipped with an inference engine. As individuals may disagree or evidence be insufficient, causal links may be assigned a range rather than one value. When all links have range, the massive search space is a challenge to running simulations. In this paper, we presented, implemented, and evaluated a new approach to identify which ranges are important and simplify models accordingly. Our approach uses a factorial design of experiments, implemented using parallelism to offset its high computational cost. Our implementation (including our new Python library for FCM) is freely available on a third-party repository. Our evaluation on three previously published models shows that our approach can simplify almost half of a model under common settings, and runs within seconds on entry-level hardware for small FCMs. Further research is needed on simplifying the few FCMs having many links.","PeriodicalId":145780,"journal":{"name":"2017 Winter Simulation Conference (WSC)","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-12-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128354858","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: 3
Optimizing production allocation with simulation in the fashion industry: A multi-company case study 用模拟优化时装行业的生产分配:一个多公司的案例研究
2017 Winter Simulation Conference (WSC) Pub Date : 2017-12-03 DOI: 10.1109/WSC.2017.8248102
Virginia Fani, Romeo Bandinelli, R. Rinaldi
{"title":"Optimizing production allocation with simulation in the fashion industry: A multi-company case study","authors":"Virginia Fani, Romeo Bandinelli, R. Rinaldi","doi":"10.1109/WSC.2017.8248102","DOIUrl":"https://doi.org/10.1109/WSC.2017.8248102","url":null,"abstract":"Production Planning and Control (PP&C) has been deeply analyzed in the literature, both in general terms and focusing on specific industries, such as the fashion one. The paper aims to add a contribution in this field presenting an optimization model for the Fashion Supply Chain (FSC), developed considering an interdependent environment composed by a group of focal companies that work with both exclusive and not-exclusive suppliers. The proposed framework will combine simulation and optimization models based on parameters, decision variables, constraints and Objective Functions (OFs) collected through a literature review. The framework has been developed in a parametrical way, in order to fit the peculiarities of the different actors operating along the FSC. The empirical implementation of the framework has been conducted using data coming from fashion companies belonged to the same network, considering rush orders as stochastics events for the scenario analysis and Key Performance Indicators (KPIs) assessment.","PeriodicalId":145780,"journal":{"name":"2017 Winter Simulation Conference (WSC)","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-12-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128634964","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
Simulation-based business game for teaching methods in logistics and production 基于模拟的物流与生产教学方法商务游戏
2017 Winter Simulation Conference (WSC) Pub Date : 2017-12-03 DOI: 10.1109/WSC.2017.8248129
Alexander Hübl, Gudrun Fischer
{"title":"Simulation-based business game for teaching methods in logistics and production","authors":"Alexander Hübl, Gudrun Fischer","doi":"10.1109/WSC.2017.8248129","DOIUrl":"https://doi.org/10.1109/WSC.2017.8248129","url":null,"abstract":"Uncertainty in planning tasks such as processing times, set-up times, customer required lead times, due dates, time to failure, time to repair and the complexity in terms of product variety, outsourcing, short lead times, low inventory levels, low costs and high utilization are major hurdles for planning logistics and production processes. This paper introduces a simulation-based business game for methods in planning logistics and production processes. Basic methods such as material requirement planning (MRP), Constant work in progress (Conwip), Kanban, reorder policies, dispatching rules, basic demand forecasting methods and master production schedule (MPS) are implemented in the game. Due to the generic environment additional methods can be implemented efficiently. The midterm planning concept sales and operations planning (S&OP) is implemented as well, where the gamers have to act as managers responsible for purchasing, production, sales and finance. Their target is to identify sales and production volumes for the next planning periods.","PeriodicalId":145780,"journal":{"name":"2017 Winter Simulation Conference (WSC)","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-12-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128635780","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: 6
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