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The APIOBPCS Deziel and Eilon parameter configuration in supply chain under progressive information sharing strategies 渐进式信息共享策略下的APIOBPCS Deziel和Eilon参数配置
2008 Winter Simulation Conference Pub Date : 2008-12-07 DOI: 10.1109/WSC.2008.4736385
S. Cannella, E. Ciancimino
{"title":"The APIOBPCS Deziel and Eilon parameter configuration in supply chain under progressive information sharing strategies","authors":"S. Cannella, E. Ciancimino","doi":"10.1109/WSC.2008.4736385","DOIUrl":"https://doi.org/10.1109/WSC.2008.4736385","url":null,"abstract":"The aim of this paper is to investigate how different smoothing parameter levels of the Automatic Pipeline Inventory and Order Based Production Control System smoothing replenishment rule impact on the bullwhip dampening efficacy, under progressive information sharing strategies. The main results of this work are: (1) The smoothing parameter variations significantly impact on performance of the supply chains characterised by low information sharing level. (2) As smoothing parameters increase, the supply chain process performance improves and the customer service level worsens. This opposite trend noticeably decreases as information sharing level increases. (3) Amongst the bullwhip dampening techniques, deeper information sharing weights more than the value of smoothing parameters. The analysis is performed through continuous time differential equation modelling.","PeriodicalId":162289,"journal":{"name":"2008 Winter Simulation Conference","volume":"52 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":"123770906","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
Simulation based optimization of multi-location transshipment problem with capacitated transportation 有运输能力的多地点转运问题的仿真优化
2008 Winter Simulation Conference Pub Date : 2008-12-07 DOI: 10.5555/1516744.1517206
B. Ekren, S. Heragu
{"title":"Simulation based optimization of multi-location transshipment problem with capacitated transportation","authors":"B. Ekren, S. Heragu","doi":"10.5555/1516744.1517206","DOIUrl":"https://doi.org/10.5555/1516744.1517206","url":null,"abstract":"In this study, a single-item two-echelon inventory system where the items can be stored in each of N stocking locations is optimized using simulation. The aim of this study is to minimize the total inventory, backorder, and transshipments costs, based on the replenishment and transshipment quantities. In this study, transshipments which are the transfer of products among locations at the same echelon level and transportation capacities which are the transshipment quantities between stocking locations, are also considered. Here, the transportation capacities among the stocking locations are bounded due to transportation media or the locations¿ transshipment policy. Assuming stochastic demand, the system is modeled based on different cases of transshipment capacities and costs. To find out the optimum levels of the transshipment quantities among stocking locations and the replenishment quantities, the simulation model of the problem is developed using ARENA 10.0 and then optimized using the OptQuest tool in this software.","PeriodicalId":162289,"journal":{"name":"2008 Winter Simulation Conference","volume":"77 4 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":"121915635","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: 23
A new policy for the service request assignment problem with multiple severity level, due date and sla penalty service requests 针对具有多个严重级别、到期日和sla惩罚服务请求的服务请求分配问题的新策略
2008 Winter Simulation Conference Pub Date : 2008-12-07 DOI: 10.1109/WSC.2008.4736251
Anshul Sheopuri, Sai Zeng, C. Dorai
{"title":"A new policy for the service request assignment problem with multiple severity level, due date and sla penalty service requests","authors":"Anshul Sheopuri, Sai Zeng, C. Dorai","doi":"10.1109/WSC.2008.4736251","DOIUrl":"https://doi.org/10.1109/WSC.2008.4736251","url":null,"abstract":"We study the problem of assigning multiple severity level service requests to agents in an agent pool. Each severity level is associated with a due date and a penalty, which is incurred if the service request is not resolved by the due date. Motivated by Van Meighem (2003), who shows the asymptotic optimality of the generalized longest queue policy for the problem of minimizing the due date dependent expected delay costs when there is a single agent, we develop a class of index-based policies that is a generalization of the priority first-come-first-serve, weighted shortest expected processing time and generalized longest queue policy. In our simulation study of an assignment system of a large technology firm, the index-based policy shows an improvement of 0-20 % over the priority first-come-first-serve policy depending upon the load conditions.","PeriodicalId":162289,"journal":{"name":"2008 Winter Simulation Conference","volume":"18 7","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120902248","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
Introduction to Monte Carlo simulation 蒙特卡罗模拟入门
2008 Winter Simulation Conference Pub Date : 2008-12-07 DOI: 10.1109/WSC.2008.4736059
S. Raychaudhuri
{"title":"Introduction to Monte Carlo simulation","authors":"S. Raychaudhuri","doi":"10.1109/WSC.2008.4736059","DOIUrl":"https://doi.org/10.1109/WSC.2008.4736059","url":null,"abstract":"This is an introductory tutorial on Monte Carlo simulation, a type of simulation that relies on repeated random sampling and statistical analysis to compute the results. In this paper, we will briefly describe the nature and relevance of Monte Carlo simulation, the way to perform these simulations and analyze results, and the underlying mathematical techniques required for performing these simulations. We will present a few examples from various areas where Monte Carlo simulation is used, and also touch on the current state of software in this area.","PeriodicalId":162289,"journal":{"name":"2008 Winter Simulation Conference","volume":"1 2","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-12-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120913372","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: 537
Modeling of supply chain with variation of inventory systems at nodes 考虑节点库存系统变化的供应链建模
2008 Winter Simulation Conference Pub Date : 2008-12-07 DOI: 10.1109/WSC.2008.4736434
G. Fernando, Davila R. Diana, Sumoza S. Marlloly, R. Luis
{"title":"Modeling of supply chain with variation of inventory systems at nodes","authors":"G. Fernando, Davila R. Diana, Sumoza S. Marlloly, R. Luis","doi":"10.1109/WSC.2008.4736434","DOIUrl":"https://doi.org/10.1109/WSC.2008.4736434","url":null,"abstract":"In this paper is analyze the advantages of using different inventory systems in supply chains involving echelons with different intentions in each one. This model is based on a network composed by eight nodes distributed between plants, distribution centers, warehouses and markets .The principal objective is analyze the influence of inventory systems as reorder point, periodic review and s-S inventory in the total cost of system and individual cost every node, through a simulation model development in Arena® 10.0 with interface in visual BASIC and experiment design with two response variables, the averages of lost sales costs on markets and the average inventory costs on the distribution centers. The different systems of inventory influence in the total and individual cost.","PeriodicalId":162289,"journal":{"name":"2008 Winter Simulation Conference","volume":"61 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":"116399934","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
Smooth flexible models of nonhomogeneous poisson processes using one or more process realizations 使用一个或多个过程实现的非齐次泊松过程的光滑柔性模型
2008 Winter Simulation Conference Pub Date : 2008-12-07 DOI: 10.1109/WSC.2008.4736088
M. Kuhl, Shalaka C. Deo, James R. Wilson
{"title":"Smooth flexible models of nonhomogeneous poisson processes using one or more process realizations","authors":"M. Kuhl, Shalaka C. Deo, James R. Wilson","doi":"10.1109/WSC.2008.4736088","DOIUrl":"https://doi.org/10.1109/WSC.2008.4736088","url":null,"abstract":"We develop and evaluate a semiparametric method to estimate the mean-value function of a nonhomogeneous Poisson process (NHPP) using one or more process realizations observed over a fixed time interval. To approximate the mean-value function, the method exploits a specially formulated polynomial that is constrained in least-squares estimation to be nondecreasing so the corresponding rate function is nonnegative and smooth (continuously differentiable). An experimental performance evaluation for two typical test problems demonstrates the method¿s ability to yield an accurate fit to an NHPP based on a single process realization. A third test problem shows how the method can estimate an NHPP based on multiple realizations of the process.","PeriodicalId":162289,"journal":{"name":"2008 Winter Simulation Conference","volume":"134 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":"116343497","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: 11
PLCStudio: Simulation based PLC code verification PLCStudio:基于仿真的PLC代码验证
2008 Winter Simulation Conference Pub Date : 2008-12-07 DOI: 10.1109/WSC.2008.4736071
S. C. Park, C. Park, Gi-Nam Wang, Jonggeun Kwak, Sungjoo Yeo
{"title":"PLCStudio: Simulation based PLC code verification","authors":"S. C. Park, C. Park, Gi-Nam Wang, Jonggeun Kwak, Sungjoo Yeo","doi":"10.1109/WSC.2008.4736071","DOIUrl":"https://doi.org/10.1109/WSC.2008.4736071","url":null,"abstract":"Proposed in this paper is the architecture of a PLC programming environment that enables a visual verification of PLC programs. The proposed architecture integrates a PLC program with a corresponding plant model, so that users can intuitively verify the PLC program in a 3D graphic environment. The plant model includes all manufacturing devices of a production system as well as corresponding device programs to perform their tasks in the production system, and a PLC program contains the control logic for the plant model. For the implementation of the proposed PLC programming environment, it is essential to develop an efficient methodology to construct a virtual device model as well as a virtual plant model. The proposed PLC programming environment provides an efficient construction method for a plant model based on the DEVS (discrete event systems specifications) formalism, which supports the specification of discrete event models in a hierarchical, modular manner.","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":"126575699","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: 17
Simulation and optimization in a health center in Medellin, Colombia 哥伦比亚麦德林一家医疗中心的模拟和优化
2008 Winter Simulation Conference Pub Date : 2008-12-07 DOI: 10.1109/WSC.2008.4736211
Karol Perez, Laura Cardona, Sebastian Gomez, Tomas Olarte, P. Escudero
{"title":"Simulation and optimization in a health center in Medellin, Colombia","authors":"Karol Perez, Laura Cardona, Sebastian Gomez, Tomas Olarte, P. Escudero","doi":"10.1109/WSC.2008.4736211","DOIUrl":"https://doi.org/10.1109/WSC.2008.4736211","url":null,"abstract":"Simulation has been widely applied to health care cases in numerous countries. In Colombia, these applications are scarce. We use a systemic approach, discrete event simulation, simulation-optimization and linear programming to reduce waiting times in a health center in Medellin, Colombia. With this reduction we ensure a high level of satisfaction of patients with a relatively low additional cost.","PeriodicalId":162289,"journal":{"name":"2008 Winter Simulation Conference","volume":"21 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":"126649531","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: 4
Multiple worlds in simulation games for spatial decision making: Concept and architecture 模拟游戏中的多世界空间决策:概念和架构
2008 Winter Simulation Conference Pub Date : 2008-12-07 DOI: 10.1109/WSC.2008.4736367
M. Fumarola, A. Verbraeck
{"title":"Multiple worlds in simulation games for spatial decision making: Concept and architecture","authors":"M. Fumarola, A. Verbraeck","doi":"10.1109/WSC.2008.4736367","DOIUrl":"https://doi.org/10.1109/WSC.2008.4736367","url":null,"abstract":"In this paper we present the use of ¿what-if¿-analysis in simulation games for spatial decision making by introducing the concept of multiple worlds. We expect that ¿what-if¿-analysis in games enables the trainees to achieve more robust results, which is defined as the ability to achieve the required goals given different scenarios. Scenarios are defined as exogenous variables on the multiple worlds. Viable decisions for a particular world are assessed by splitting the given world into multiple ones and running simulations for these new worlds. This assessment is performed by a) comparing the alternatives represented by each world and b) exploring the timeline of each world by selecting specific time instants. The navigation both through multiple worlds and through time should provide the users the possibility to formulate a robust answer for the specified problem. We will present a viable architecture and 4 distinct modes of game-play for the simulation game.","PeriodicalId":162289,"journal":{"name":"2008 Winter Simulation Conference","volume":"2 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":"127210412","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
Mexican Public Hospitals: A model for improving emergency room waiting times 墨西哥公立医院:改善急诊室等待时间的模式
2008 Winter Simulation Conference Pub Date : 2008-12-07 DOI: 10.1109/WSC.2008.4736218
Rodolfo Medina, A. Vazquez, Hector A. Juarez, Ricardo A. Gonzalez
{"title":"Mexican Public Hospitals: A model for improving emergency room waiting times","authors":"Rodolfo Medina, A. Vazquez, Hector A. Juarez, Ricardo A. Gonzalez","doi":"10.1109/WSC.2008.4736218","DOIUrl":"https://doi.org/10.1109/WSC.2008.4736218","url":null,"abstract":"Summary form only given. Public health care services are facing a growing demand, where funds to these services are being stretched. Public hospitals should find a way to optimize the use of resources and improve the quality of services being offered. Even though this conference has documented successful experiences with simulation through the years, it has also opened discussion for a general, robust model to face emergency room challenges successfully. This paper presents a brief state of the art review of simulation work done in Mexican public health care system, and finally a proposal to improve these services using simulation.","PeriodicalId":162289,"journal":{"name":"2008 Winter Simulation Conference","volume":"50 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":"127255247","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
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