Simulation Practice and Theory最新文献_第2页

Successes and failures in UK/US development of simulation 英美模拟开发的成功与失败

Simulation Practice and Theory Pub Date : 2002-05-15 DOI: 10.1016/S0928-4869(01)00048-9

S.P Murphy, T Perera

引用次数: 26

Performance modelling of pools in soft real-time design architectures 软实时设计体系结构中池的性能建模

Simulation Practice and Theory Pub Date : 2002-04-15 DOI: 10.1016/S0928-4869(01)00053-2

Carlos Juiz, Ramon Puigjaner

引用次数: 10

Exploring impact of time management services on HLA-based Petri Nets Simulation Engine 探索时间管理服务对基于hla的Petri网仿真引擎的影响

Simulation Practice and Theory Pub Date : 2002-04-15 DOI: 10.1016/S0928-4869(01)00049-0

Kpatcha M. Bayarou , Kouakou Dieu-Donné Konan , Helena Szczerbicka

引用次数: 3

Multicast grouping for data distribution management 用于数据分发管理的组播分组

Simulation Practice and Theory Pub Date : 2002-04-15 DOI: 10.1016/S0928-4869(01)00054-4

Katherine L Morse , Michael Zyda

{"title":"Multicast grouping for data distribution management","authors":"Katherine L Morse , Michael Zyda","doi":"10.1016/S0928-4869(01)00054-4","DOIUrl":"10.1016/S0928-4869(01)00054-4","url":null,"abstract":"<div><p>The High Level Architecture's (HLA) Data Distribution Management (DDM) services are the most recent in a succession of systems designed to reduce the amount of data received by individual simulations in large-scale distributed simulations. A common optimization in these interest management systems is the use of multicast groups for sending data to a selected subset of all potential receivers. The use of multicast has met with considerable success in this application. However, its use to date has relied on a priori knowledge of communication patterns between simulations and static assignment of multicast groups to these patterns. As larger, more complex, and less predictable simulations are built, the need has arisen for more efficient use of multicast groups as they are a restricted resource [3Com Corporation, Scaling Performance and Managing Growth with the CoreBuilder 3500 Layer 3 Switch (available at <span>http://www.3com.com/products/dsheets/400347a.html</span><svg><path></path></svg>) lists a limit of 6 K, the highest number identified while Synthetic Theater of War (STOW) (D. Van Hook, RITN IM and IM history, personal communication, January 1996) had a hardware limit of approximately 1000. A typical workstation network interface card has only a few (H. Abrams, Extensible interest management for scalable persistent distributed virtual environments, Ph.D. Dissertation, Naval Postgraduate School, December 1999)]. This paper presents two algorithms for performing grouping, and the message delivery time improvements resulting from applying the algorithms to selected data sets.</p></div>","PeriodicalId":101162,"journal":{"name":"Simulation Practice and Theory","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2002-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0928-4869(01)00054-4","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80168417","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

Comparing high level architecture data distribution management specifications 1.3 and 1516 比较高级架构数据分布管理规范1.3和1516

Simulation Practice and Theory Pub Date : 2002-04-15 DOI: 10.1016/S0928-4869(01)00051-9

Mikel D. Petty

引用次数: 17

An approach to integrating HLA federations and genetic algorithms to support automatic design evaluation for multi-agent systems 一种集成HLA联盟和遗传算法以支持多智能体系统自动设计评估的方法

Simulation Practice and Theory Pub Date : 2002-04-15 DOI: 10.1016/S0928-4869(01)00052-0

Sajal K Das, Arthur A Reyes

{"title":"An approach to integrating HLA federations and genetic algorithms to support automatic design evaluation for multi-agent systems","authors":"Sajal K Das, Arthur A Reyes","doi":"10.1016/S0928-4869(01)00052-0","DOIUrl":"10.1016/S0928-4869(01)00052-0","url":null,"abstract":"<div><p>We propose a novel design environment for developing <em>multi-agent systems</em> (MASs) for applications in mobile robotics. Because emergent behavior phenomena make it next to impossible to directly synthesize viable MAS designs from specifications, extensive simulation studies are needed to evaluate these designs. Furthermore, due to the fact that the design space for MASs systems is combinatorially large, the evaluation of candidate designs must be done in a hierarchical, multi-resolution, parallel and distributed manner.</p><p>Our proposed design environment is based on US Department of Defense's <em>high-level architecture</em> (HLA), an established software infrastructure for heterogeneous, distributed simulations. The proposed environment automatically generates and manages HLA <em>federations</em> (i.e., collections of distributed and/or parallel simulation and service federates) that communicate over runtime infrastructure (RTI) software buses. Each federation simulates a different candidate design for the MAS under development. Federations execute independently and in parallel. Our proposed design environment's refinement component uses a <em>genetic algorithm</em> (GA) to select the best candidate designs from the current generation and generates a set of refined, next-generation, candidate designs. A federation is created and managed for each of the next-generation designs and the automatic design process is repeated.</p></div>","PeriodicalId":101162,"journal":{"name":"Simulation Practice and Theory","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2002-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0928-4869(01)00052-0","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72812016","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: 14

Simulation Methods and Applications 仿真方法及应用

Simulation Practice and Theory Pub Date : 2002-04-15 DOI: 10.1016/S0928-4869(01)00056-8

Ratan Guha, Mostafa Bassiouni

引用次数: 3

A novel data caching scheme for multimedia servers 一种新的多媒体服务器数据缓存方案

Simulation Practice and Theory Pub Date : 2002-04-15 DOI: 10.1016/S0928-4869(01)00050-7

James Z. Wang, Ratan K. Guha

引用次数: 4

An appraisal of web-based simulation: whither we wander? 网络模拟的评估:我们将走向何方?

Simulation Practice and Theory Pub Date : 2001-10-15 DOI: 10.1016/S0928-4869(01)00032-5

Jasna Kuljis , Ray J. Paul

引用次数: 36

A modeling tool for biomedical systems 生物医学系统的建模工具

Simulation Practice and Theory Pub Date : 2001-10-15 DOI: 10.1016/S0928-4869(01)00038-6

Karl Thomaseth

{"title":"A modeling tool for biomedical systems","authors":"Karl Thomaseth","doi":"10.1016/S0928-4869(01)00038-6","DOIUrl":"10.1016/S0928-4869(01)00038-6","url":null,"abstract":"<div><p>This paper describes the tool P<span>ansym</span> for biomedical system modeling which has been designed primarily for representation of kinetics, transport and metabolism of biological substances. New modeling tools are needed in this research field because available simulation environments are often limited when applied to multidisciplinary studies in biomedicine. The aim of the new software is to allow a flexible specification of system structures using concurrently different formalisms that are conventionally used in different modeling domains. Starting from an intuitive model specification, mathematical system equations are first derived in symbolic form and subsequently coded as source code for different target applications. This multidomain modeling environment was built using bond graphs as common basis for automated analysis of system structures and symbolic derivation of system equations. Preliminary experience with the software showed that the adopted design strategy comes up to expectations, especially as regards the definition of complex hierarchical models that exhibit interactions between heterogeneous subsystems, e.g. cardiovascular and metabolic functions. Moreover, the specification of model structures is close to graphical object representation which helps defining a model of a system more in terms of its structure rather than its equations.</p></div>","PeriodicalId":101162,"journal":{"name":"Simulation Practice and Theory","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2001-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0928-4869(01)00038-6","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76106966","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