Summer Computer Simulation Conference : (SCSC 2014) : 2014 Summer Simulation Multi-Conference : Monterey, California, USA, 6-10 July 2014. Summer Computer Simulation Conference (2014 : Monterey, Calif.)最新文献

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Lossless static vs. dynamic reconfiguration of interconnection networks in parallel and distributed computer systems 并行和分布式计算机系统中互连网络的无损静态与动态重构
D. Lüdtke, D. Tutsch
{"title":"Lossless static vs. dynamic reconfiguration of interconnection networks in parallel and distributed computer systems","authors":"D. Lüdtke, D. Tutsch","doi":"10.1145/1357910.1358021","DOIUrl":"https://doi.org/10.1145/1357910.1358021","url":null,"abstract":"Advances in the technology of dynamic reconfigurable hardware allow enhanced architectures of interconnection networks for large scale down to on-chip parallel and distributed systems. To archive a higher communication performance the topology of the interconnection network can be reconfigured at runtime to support the particular communication profile of the active applications. One important issue concerning the reconfiguration of the network is the prevention of packet losses. Altering the network topology leads to a new routing situation for the remaining packets. Two approaches are possible: emptying all buffers of the network before reconfiguration, called static reconfiguration, or rerouting of remaining packets after reconfiguration, referred to as dynamic reconfiguration. For the latter approach, a reconfiguration-aware routing scheme is required, which is presented in this paper. In addition, the static and dynamic approaches are discussed and compared concerning complexity and performance. It is shown that the increased efficiency of the dynamic approach becomes negligible, if current available technology is regarded.","PeriodicalId":91410,"journal":{"name":"Summer Computer Simulation Conference : (SCSC 2014) : 2014 Summer Simulation Multi-Conference : Monterey, California, USA, 6-10 July 2014. Summer Computer Simulation Conference (2014 : Monterey, Calif.)","volume":"16 3 1","pages":"717-724"},"PeriodicalIF":0.0,"publicationDate":"2007-07-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83547462","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: 7
Design and implementation of data distribution management in IEEE 1516 HLA/RTI IEEE 1516 HLA/RTI中数据分发管理的设计与实现
J. Ahn, Jae-Hyun Kim, T. Kim
{"title":"Design and implementation of data distribution management in IEEE 1516 HLA/RTI","authors":"J. Ahn, Jae-Hyun Kim, T. Kim","doi":"10.1145/1357910.1357971","DOIUrl":"https://doi.org/10.1145/1357910.1357971","url":null,"abstract":"The Data Distribution Management (DDM) services, one category of HLA management services, control filters for data transmission and reception of data volume among simulators. In this paper, we propose design concept of DDM and show its implementation for RTI. The design concept of DDM is to minimize total amount of message that each federate and a federation process generate using the rate of RTI service execution. The design of our proposed DDM follows that a data transfer mechanism is differently applied as the rate of RTI service execution. A federate usually publishes or subscribes data when it starts. The federate constantly updates the data and modifies associated regions while it continues to advance its simulation time. Therefore, the proposed DDM design provides fast update or region modification in exchange of complex publication and subscription. This paper describes how to process the proposed DDM and experiment a variety of scenarios while modifying a region, changing a overlap ratio, and increasing data volume.","PeriodicalId":91410,"journal":{"name":"Summer Computer Simulation Conference : (SCSC 2014) : 2014 Summer Simulation Multi-Conference : Monterey, California, USA, 6-10 July 2014. Summer Computer Simulation Conference (2014 : Monterey, Calif.)","volume":"1 1","pages":"386-391"},"PeriodicalIF":0.0,"publicationDate":"2007-07-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77315715","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
Visualization of the simulation data of biochemical network models: a painted Petri net approach 生化网络模型模拟数据的可视化:一种绘制的Petri网方法
S. Hardy, P. Robillard
{"title":"Visualization of the simulation data of biochemical network models: a painted Petri net approach","authors":"S. Hardy, P. Robillard","doi":"10.1145/1357910.1358033","DOIUrl":"https://doi.org/10.1145/1357910.1358033","url":null,"abstract":"The large quantity of data generated by the simulation of complex biochemical models is difficult to interpret with traditional plots of time series data. A visualization method has been developed and software tools have been implemented. They are efficient with models of metabolic networks in which molecules are produced, consumed and degraded. However, models of signaling pathways in which enzymes are either activated or deactivated to transmit a signal are not handled well with the existing method. In this paper, we present a new visualization method using the painted feature of Petri nets and their invariant properties. We apply the first steps of this method to the continuous Petri net model of the calmodulin pathway. We also present the methodology that we will use to compare the existing visualization method with our Petri net-based method and to verify if it is more suited for signaling pathways.","PeriodicalId":91410,"journal":{"name":"Summer Computer Simulation Conference : (SCSC 2014) : 2014 Summer Simulation Multi-Conference : Monterey, California, USA, 6-10 July 2014. Summer Computer Simulation Conference (2014 : Monterey, Calif.)","volume":"29 6","pages":"802-808"},"PeriodicalIF":0.0,"publicationDate":"2007-07-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72597023","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
Magnetic field reconstruction in electric machines: a novel approach towards modeling of electric motor drives 电机磁场重建:电机驱动建模的新方法
M. Krishnamurthy, B. Fahimi
{"title":"Magnetic field reconstruction in electric machines: a novel approach towards modeling of electric motor drives","authors":"M. Krishnamurthy, B. Fahimi","doi":"10.1145/1357910.1357948","DOIUrl":"https://doi.org/10.1145/1357910.1357948","url":null,"abstract":"In recent years, considerable research efforts have been devoted to the development of power electronics for enhanced control of electric drives. Traditional analysis and control of a drive is often based on a generalized system model, wherein a relationship between the average torque and phase current is established analytically. However effects of the applied control scheme on the resultant radial force components and geometrical distribution of forces are not provided by these models. This paper presents a novel field reconstruction approach towards the accurate modeling of the drive which includes an analytical expression describing the electromagnetic behavior of the machine. This is an ideal technique for the numerical analysis and performance evaluation of an electric drive from an electromagnetic perspective. Since finite element analysis (FEA) only needs to be performed once, the cost and time involved in generating the desired results are dramatically reduced. This paper uses a 3-phase PMSM to illustrate the proof of principle. However the concept can be extended to any machine type with a known geometry.","PeriodicalId":91410,"journal":{"name":"Summer Computer Simulation Conference : (SCSC 2014) : 2014 Summer Simulation Multi-Conference : Monterey, California, USA, 6-10 July 2014. Summer Computer Simulation Conference (2014 : Monterey, Calif.)","volume":"80 1","pages":"229-236"},"PeriodicalIF":0.0,"publicationDate":"2007-07-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73667230","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
A discrete cell migration model 离散细胞迁移模型
J. Nutaro, K. Kruse, R. Ward, E. O'Quinn, M. Woerner, Barbara G. Beckerman, S. Kirkpatrick, Deidra Mountain, O. Grandas
{"title":"A discrete cell migration model","authors":"J. Nutaro, K. Kruse, R. Ward, E. O'Quinn, M. Woerner, Barbara G. Beckerman, S. Kirkpatrick, Deidra Mountain, O. Grandas","doi":"10.1145/1357910.1358035","DOIUrl":"https://doi.org/10.1145/1357910.1358035","url":null,"abstract":"Migration of vascular smooth muscle cells is a fundamental process in the development of intimal hyperplasia, a precursor to development of cardiovascular disease and a potential response to injury of an arterial wall. Boyden chamber experiments are used to quantify the motion of cell populations in response to a chemoattractant gradient (i.e., cell chemotaxis). We are developing a mathematical model of cell migration within the Boyden chamber, while simultaneously conducting experiments to obtain parameter values for the migration process. In the future, the model and parameters will be used as building blocks for a detailed model of the process that causes intimal hyperplasia. The cell migration model presented in this paper is based on the notion of a cell as a moving sensor that responds to an evolving chemoattractant gradient. We compare the results of our three-dimensional hybrid model with results from a one-dimensional continuum model. Some preliminary experimental data that is being used to refine the model is also presented.","PeriodicalId":91410,"journal":{"name":"Summer Computer Simulation Conference : (SCSC 2014) : 2014 Summer Simulation Multi-Conference : Monterey, California, USA, 6-10 July 2014. Summer Computer Simulation Conference (2014 : Monterey, Calif.)","volume":"36 1","pages":"811-816"},"PeriodicalIF":0.0,"publicationDate":"2007-07-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73858397","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
A distributed verification approach for modular Petri nets 模块化Petri网的分布式验证方法
C. A. Abid, Belhassen Zouari
{"title":"A distributed verification approach for modular Petri nets","authors":"C. A. Abid, Belhassen Zouari","doi":"10.1145/1357910.1358016","DOIUrl":"https://doi.org/10.1145/1357910.1358016","url":null,"abstract":"This paper reviews a proposal for the modular analysis of Petri nets. It improves the modularity of the verification process using modular state spaces. By adding some computations during the construction of the modular state space, one can determine the liveness of a module without exploring other local information. Thereby, it is suitable for the conception of a new distributed verification approach where every site maintains one module. The sites need to cooperate only during the construction of the modular state space.","PeriodicalId":91410,"journal":{"name":"Summer Computer Simulation Conference : (SCSC 2014) : 2014 Summer Simulation Multi-Conference : Monterey, California, USA, 6-10 July 2014. Summer Computer Simulation Conference (2014 : Monterey, Calif.)","volume":"11 1","pages":"681-690"},"PeriodicalIF":0.0,"publicationDate":"2007-07-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73350575","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
Distributed simulation using the virtual test bed and its real-time extension 利用虚拟试验台进行分布式仿真及其实时扩展
J. Bastos, J. Wu, N. Schulz, R. Liu, A. Monti
{"title":"Distributed simulation using the virtual test bed and its real-time extension","authors":"J. Bastos, J. Wu, N. Schulz, R. Liu, A. Monti","doi":"10.1145/1357910.1358027","DOIUrl":"https://doi.org/10.1145/1357910.1358027","url":null,"abstract":"Distributed simulation is desirable at many levels of system design. Modeling and simulation of large complex systems, remote monitoring and control, and nondestructive remote testing of devices are three examples of the many applications in which both distributed and realtime distributed simulation are advantageous. Distributed simulation reduces simulation complexity by allowing the partitioning of a large complex system into two or more smaller subsystems. In addition, distributed simulation permits computational resource sharing and enables teamwork. The Virtual Test Bed (VTB) and its real-time extension, VTB-RT, have been adapted to deal with distributed simulation in both non-real-time and real-time. Efforts at Mississippi State University and the University of South Carolina have made possible the addition of models for distributed simulation to the VTB model library to handle both natural and signal coupling at the decoupling point. The focus of these efforts has been on the algorithms used to enforce simulation stability and energy conservation in a distributed environment. Implementation issues related to the different communication architectures used in distributed simulation environments are only briefly discussed in this paper. The models for distributed simulation described in this paper are implemented using a simple remote procedure call communication scheme, which is sufficient to demonstrate the proposed algorithms. Several examples presented in this paper demonstrate the applicability and accuracy of the developed VTB models.","PeriodicalId":91410,"journal":{"name":"Summer Computer Simulation Conference : (SCSC 2014) : 2014 Summer Simulation Multi-Conference : Monterey, California, USA, 6-10 July 2014. Summer Computer Simulation Conference (2014 : Monterey, Calif.)","volume":"34 1","pages":"757-765"},"PeriodicalIF":0.0,"publicationDate":"2007-07-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74874436","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: 13
Modeling and simulation of the dynamic control of a cascaded multilevel inverter using single DC source for induction motor drive application 用于感应电机驱动的单直流级联多电平逆变器的动态控制建模与仿真
S. Azongha, Hui Li
{"title":"Modeling and simulation of the dynamic control of a cascaded multilevel inverter using single DC source for induction motor drive application","authors":"S. Azongha, Hui Li","doi":"10.1145/1357910.1358140","DOIUrl":"https://doi.org/10.1145/1357910.1358140","url":null,"abstract":"A new type of cascaded multilevel inverter with single DC source presents particular advantages in high power quality and high reliability motor drive applications, and therefore suitable for Navy ship propulsion systems. Control of the dynamics of this type of inverter is important since the charge/discharge state of the capacitors and the modulation index vary with time. This paper presents an algorithm for the dynamic control of this inverter topology. In order to analyze and verify the proposed control algorithm, PSIM is integrated with MATLAB/Simulink to formulate a detail system simulation platform. Simulation results are presented to verify the proposed method.","PeriodicalId":91410,"journal":{"name":"Summer Computer Simulation Conference : (SCSC 2014) : 2014 Summer Simulation Multi-Conference : Monterey, California, USA, 6-10 July 2014. Summer Computer Simulation Conference (2014 : Monterey, Calif.)","volume":"26 1","pages":"33"},"PeriodicalIF":0.0,"publicationDate":"2007-07-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74178501","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
Novel approaches to the prediction of CpG islands and their methylation status 预测CpG岛及其甲基化状态的新方法
C. Previti, O. Harari, I. Zwir, C. Val
{"title":"Novel approaches to the prediction of CpG islands and their methylation status","authors":"C. Previti, O. Harari, I. Zwir, C. Val","doi":"10.1145/1357910.1358038","DOIUrl":"https://doi.org/10.1145/1357910.1358038","url":null,"abstract":"A DNA sequence can be described as a string composed of four symbols: A, T, C and G, each representing a chemically distinct nucleotide molecule. Combinations of two nucleotides are called dinucleotides and CpG islands represent regions of a DNA sequence, certain substrings, which are enriched in CpG dinucleotides (C followed by G). CpG islands represent an enigmatic feature of vertebrate genomes. They a critical target for transcriptional control, since methylation of these CpG islands leads to structural changes in the DNA that stops the expression of any associated gene. The factors that provoke or impede methylation are currently unknown. In general, the maintenance of a particular pattern of methylated CpG dinucleotides represents a critical regulatory system during a host of normal developmental processes, but the erroneous methylation of CpG islands and the resulting gene-silencing can lead to the development of cancer. We present here a novel unsupervised machine learning method that is capable of distinguishing biologically significant classes of CpG islands, including the separation of methylated and unmethylated CpG islands. This method represents an important novel approach that will aid in the computational prediction of methylation, which is commonly used in the preselection of worthwhile sequences for methylation experiments.","PeriodicalId":91410,"journal":{"name":"Summer Computer Simulation Conference : (SCSC 2014) : 2014 Summer Simulation Multi-Conference : Monterey, California, USA, 6-10 July 2014. Summer Computer Simulation Conference (2014 : Monterey, Calif.)","volume":"27 1","pages":"833-840"},"PeriodicalIF":0.0,"publicationDate":"2007-07-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76750225","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
A PEBB-based direct-link drive for open-ended AC machines 基于pebb的开放式交流机器直连驱动器
A. Somani, R. Gupta, T. Satish, K. K. Mohapatra
{"title":"A PEBB-based direct-link drive for open-ended AC machines","authors":"A. Somani, R. Gupta, T. Satish, K. K. Mohapatra","doi":"10.1145/1357910.1357929","DOIUrl":"https://doi.org/10.1145/1357910.1357929","url":null,"abstract":"A PEBB-based direct-link converter arrangement for the control of an open-ended three-phase machine is analyzed in this paper. The converter arrangement requires only 18 unidirectional switches as compared to 36 in the original two matrix converter based topology [1]. In this arrangement, a 6-switch converter is connected to the grid followed by two inverters that are connected to the stator windings of an open-end machine. The two inverters operate in phase opposition and they are controlled such that the common-mode voltage across each machine phase is zero. Also, the common-mode voltage switching at the machine terminals is eliminated. The input phase currents have 120-degree-conduction and thus have low order harmonics with unity displacement-power-factor (DPF). A low input current THD scheme is proposed for applications where multiple electric drives are connected to the grid.","PeriodicalId":91410,"journal":{"name":"Summer Computer Simulation Conference : (SCSC 2014) : 2014 Summer Simulation Multi-Conference : Monterey, California, USA, 6-10 July 2014. Summer Computer Simulation Conference (2014 : Monterey, Calif.)","volume":"49 1","pages":"118-123"},"PeriodicalIF":0.0,"publicationDate":"2007-07-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74454436","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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