2013 8th EUROSIM Congress on Modelling and Simulation最新文献_第2页

A Multi-channel MAC Protocol for Improving Channel Utilization in Wireless Networks 一种提高无线网络信道利用率的多通道MAC协议

2013 8th EUROSIM Congress on Modelling and Simulation Pub Date : 2013-09-10 DOI: 10.1109/EUROSIM.2013.121

Chih-Yung Chang, Chin-Hwa Kuo, Chih-Yao Hsiao, Cheng-Chang Chen

引用次数: 1

Experimental and Computational Materials Defects Investigation 实验与计算材料缺陷研究

2013 8th EUROSIM Congress on Modelling and Simulation Pub Date : 2013-09-10 DOI: 10.1109/EUROSIM.2013.39

M. Buonsanti, M. Cacciola, F. Cirianni, G. Leonardi, G. Megali

{"title":"Experimental and Computational Materials Defects Investigation","authors":"M. Buonsanti, M. Cacciola, F. Cirianni, G. Leonardi, G. Megali","doi":"10.1109/EUROSIM.2013.39","DOIUrl":"https://doi.org/10.1109/EUROSIM.2013.39","url":null,"abstract":"Production of railway axles (i.e., one of the basic material of the modern train) is an elaborate process unfree from faults and problems. Errors during the manufacturing or the plies' overlapping, in fact, can cause particular flaws in the resulting material, so compromising its same integrity. Within this framework, ultrasonic tests could be useful to characterize the presence of defect, depending on its dimensions. On the contrary, the requirement of a perfect state for used materials is unavoidable in order to assure both transport reliability and passenger safety. Therefore, a real-time approach able to recognize and classify the defect starting from the finite element simulated ultrasonic echoes could be very useful in industrial applications. The ill-posedness of the so defined process induces a regularization method. In this paper, a finite element and a heuristic approach are proposed. Particularly, the proposed method is based on the use of a Neural Network approach, the so called \"learning by sample techniques\", and on the use of Support Vector Machines in order to classify the kind of defect. Results assure good performances of the implemented approach, with very interesting applications.","PeriodicalId":386945,"journal":{"name":"2013 8th EUROSIM Congress on Modelling and Simulation","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-09-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134185617","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

Verification of Structure on Model's Eyes-Hands during Signal Tracking 信号跟踪中模型眼手结构的验证

2013 8th EUROSIM Congress on Modelling and Simulation Pub Date : 2013-09-10 DOI: 10.1109/EUROSIM.2013.20

M. Alexík

{"title":"Verification of Structure on Model's Eyes-Hands during Signal Tracking","authors":"M. Alexík","doi":"10.1109/EUROSIM.2013.20","DOIUrl":"https://doi.org/10.1109/EUROSIM.2013.20","url":null,"abstract":"Future construction of cars requires knowledge about dynamics of driver's, because vitally affecting his responses to unexpected situations in traffic. Unpredictable situations in the driving of the car are real, because the traffic is crowded on the road. After detecting the models in the brain driver's, we could understand how models influencing his reaction on the traffic situations. Research results, supported by new advances in automation and information technology, can be used in the areas of so-called \"intelligent systems to support decision of driver's\" and \"intelligent transport systems\". This article explains a new conceptual model of driver behaviour, which is able to characterize the response of the driver in the car, from the \"intelligent control system driver/car/traffic situation\" point of view. In the paper the hypothesis is formulated, that immediate dynamics of driver's (delay, time constant and also controller structure), is create as sum of constant neuro physiological characteristics (muscles and nerves) and variable characteristics created in the brain. Variable characteristics are generating from \"models of the traffic situations\", which are continually adapted intra brain of driver's. The article outlined the verification of this model using description of measured reactions in real time.","PeriodicalId":386945,"journal":{"name":"2013 8th EUROSIM Congress on Modelling and Simulation","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-09-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127661774","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 Simulation Optimization Approach for Reactive ConWIP Systems 无功ConWIP系统的仿真优化方法

2013 8th EUROSIM Congress on Modelling and Simulation Pub Date : 2013-09-10 DOI: 10.1109/EUROSIM.2013.78

Enri Pierreval, Antoine Daures, T. Both, Stephane Szimczak, P. González, J. Framiñan

引用次数: 9

Modelling and Simulation of Biomass Conversion Processes 生物质转化过程的建模和模拟

2013 8th EUROSIM Congress on Modelling and Simulation Pub Date : 2013-09-10 DOI: 10.1109/EUROSIM.2013.91

E. Dahlquist, Guilnaz Mirmoshtaghi, Eva K. Larsson, E. Thorin, Jinyue Yan, K. Engvall, T. Liliedahl, C. Dong, Xiaoying Hu, Q. Lu

引用次数: 0

Evolution of Visual Cryptography Basis Matrices with Binary Chromosomes 二元染色体视觉密码基矩阵的演化

2013 8th EUROSIM Congress on Modelling and Simulation Pub Date : 2013-09-10 DOI: 10.1109/EUROSIM.2013.12

Neil Buckley, A. Nagar, S. Arumugam

引用次数: 2

Pre-processing of Partition Data for Enhancement of LOLIMOT 分区数据预处理增强LOLIMOT

2013 8th EUROSIM Congress on Modelling and Simulation Pub Date : 2013-09-10 DOI: 10.1109/EUROSIM.2013.56

Michael E Killian, S. Grosswindhager, M. Kozek, Barbara Mayer

引用次数: 5

Validation of a Clinical PET Scanner Using Monte Carlo Simulation Code: MCNP5 使用蒙特卡罗模拟代码验证临床PET扫描仪:MCNP5

2013 8th EUROSIM Congress on Modelling and Simulation Pub Date : 2013-09-10 DOI: 10.1109/EUROSIM.2013.16

M. Musarudin, M. Saripan, S. Mashohor, Wira Hidayat, Mohd Saad, S. Hashim, A. Nordin

{"title":"Validation of a Clinical PET Scanner Using Monte Carlo Simulation Code: MCNP5","authors":"M. Musarudin, M. Saripan, S. Mashohor, Wira Hidayat, Mohd Saad, S. Hashim, A. Nordin","doi":"10.1109/EUROSIM.2013.16","DOIUrl":"https://doi.org/10.1109/EUROSIM.2013.16","url":null,"abstract":"This paper presents a realistic PET scanner simulation using Monte Carlo code, version MCNP5. The objective of our study was to verify the code used for this simulation by comparing the results obtained from the simulation with those obtained from the measurement did on a real PET scanner. This study will provide a basic benchmark for our further study on PET imaging. We modeled the scanner based on the physical specification of Siemens Biograph True Point PET scanner. We recorded the generated list-mode data which contains all the information needed to model the PET processes for instance coincidence photon detection. To account for the statistical fluctuations occur in the detector and photo multiplier tube, a Gaussian energy blurring model was applied to the energy deposited in the detector. The scatter and attenuation correction to correct the effect of scattered and attenuated events also took into account in this study. All of these post-simulation processes were done using a program developed using mat lab. To validate the simulation, the simulated and measured energy and spatial resolution were compared. We have successfully modeled a PET system based on MCNP5. We also verified that this simulation result in a good agreement data with the real imaging.","PeriodicalId":386945,"journal":{"name":"2013 8th EUROSIM Congress on Modelling and Simulation","volume":"198 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-09-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114617269","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

Learning Petri Net Dynamics through a Matlab Web Interface 通过Matlab Web界面学习Petri网动力学

2013 8th EUROSIM Congress on Modelling and Simulation Pub Date : 2013-09-10 DOI: 10.1109/EUROSIM.2013.65

G. Mušič, I. Hafner, F. Breitenecker, A. Korner

{"title":"Learning Petri Net Dynamics through a Matlab Web Interface","authors":"G. Mušič, I. Hafner, F. Breitenecker, A. Korner","doi":"10.1109/EUROSIM.2013.65","DOIUrl":"https://doi.org/10.1109/EUROSIM.2013.65","url":null,"abstract":"Modelling and simulation are two promising methodologies in attempts to manage the ever increasing complexity of modern technical systems. The knowledge of the inherent continuous and discrete-event dynamics of systems improves the understanding of systems operation and provides the base for designing management and control strategies. Modelling and simulation are therefore vital components of engineering and other technology related curricula. Petri nets are suitable for modelling of discrete-event systems with highly parallel and cooperating activities. Teaching of Petri net basics can contribute to understanding of discrete-event dynamics through a well defined framework supported by formal analysis techniques. As such it is an important part of courses on modelling and simulation. The paper presents an approach to teach basics of Petri net dynamics and related analysis techniques by the help of an object oriented Mat lab m-script based Petri net tool, which was developed to implement Petri net examples within MMT-server e-learning environment. The tool structure is briefly described, a learning process proposal is presented, and an overview of basic examples on Petri net dynamics and analysis is provided.","PeriodicalId":386945,"journal":{"name":"2013 8th EUROSIM Congress on Modelling and Simulation","volume":"809 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-09-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117051197","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

An Efficient Dynamic Load Balancing Method for Simulation of Variable Structure Systems 一种有效的变结构系统仿真动态负载平衡方法

2013 8th EUROSIM Congress on Modelling and Simulation Pub Date : 2013-09-10 DOI: 10.1109/EUROSIM.2013.94

Chen Yang, B. Li, X. Chai, P. Chi, Lei Ren

{"title":"An Efficient Dynamic Load Balancing Method for Simulation of Variable Structure Systems","authors":"Chen Yang, B. Li, X. Chai, P. Chi, Lei Ren","doi":"10.1109/EUROSIM.2013.94","DOIUrl":"https://doi.org/10.1109/EUROSIM.2013.94","url":null,"abstract":"Multi-core or many-core machines become increasingly pervasive. Parallel simulation can achieve high efficiency by employing multi-threaded parallel execution of models and fast inter-thread communication between models. However, load imbalance among cores degrades performance of the simulation system greatly. This is especially true for simulation of variable structure systems, due to dynamic addition or removal of models. An efficient load balancing method under multi-cores or many-core environments has been proposed, based on our threaded parallel simulator-Ivy [1]. The method employs shared models and shared interaction structure in one OS process to achieve real dynamic migration of loads among cores, with little intervention to the simulation execution, while the copying and transferring of model state are avoid. The proposed metrics for load migration take variation of the system composition into consideration and can be applicable to both dedicated and non-dedicated multi-core machines. The metrics can reflect the computation load of a fine-grained model by ratio of the overall CPU time (consumed by events processing) to virtual advance time, while communication cost is properly considered. The experiment results show that our method can improve efficiency of both common simulation and variable structure simulation evidently.","PeriodicalId":386945,"journal":{"name":"2013 8th EUROSIM Congress on Modelling and Simulation","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-09-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122032331","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