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ISCA 15th International conference on Software Engineering and Data Engineering, SEDE 2006

作者： Nikolaidou, Mara Dalakas, Vassilis Anagnostopoulos, Dimosthenis Kapos, George-Dimitrios Harokopio University of Athens 70 El. Venizelou Str 17671 Athens Greece University of Athens Panepistimiopolis 15771 Athens Greece

ISBN: (纸本)9781604235821

In faster-than-real-time simulation (FRTS), simulation runs concurrently with the real world system and advancement of simulation time occurs faster than real world time. thus, it is important for the FRTS experiment designer to study timing constraints and set limitations on the execution time of specific activities. As simulation activities and control data flows may be the same in diverse FRTS implementations, a common model for FRTS system development is introduced based on the Real Time Unified modeling Language (RT-UML). the proposed modeling framework enables the detailed specification of critical time and synchronization requirements for FRTS components and an overall performance evaluation. Detailed specification for FRTS systems leads to standardized implementations of them meeting strict time requirements.

关键词： Specifications

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Compact modeling and fast simulation of on-chip interconnect lines

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IEEE TRANSACTIONS ON MAGNETICS 2006年第4期42卷 547-550页

作者： Ioan, D Ciuprina, G Radulescu, M Seebacher, E Politehn Univ Bucharest Dept Elect Engn Numer Methods Lab Bucharest 060042 Romania

An efficient methodology to extract compact models for microstrip lines on lossy silicon substrate is presented. the transversal magnetic field equations are solved by dual finite integration technique (dFIT), a numerical method which allows the accuracy control of the computed frequency dependent line parameters. Several techniques are used to accelerate the process of p.u.l. parameters extraction, such as minimal virtual boundary, minimal mesh and minimal frequency samples set. the solution of the transmission line equations with frequency dependent parameters is then approximated by a rational function of appropriate degree in order to extract the compact model and its SPICE equivalent circuit. the behavior of the obtained compact model of order 10 shows good agreement with respect to the measured data.

关键词： distributed parameter circuits electromagnetic analysis finite integration technique (FIT) interconnects integrated circuit design model order reduction model extraction

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the simulation of the soil ionization phenomenon around the grounding system by the finite element method

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IEEE TRANSACTIONS ON MAGNETICS 2006年第4期42卷 867-870页

作者： Habjanic, A Trlep, M Univ Maribor Fac Elect Engn & Comp Sci Maribor 2000 Slovenia

A simulation model based on finite-element method is presented to simulate the soil ionization phenomenon around the grounding system. the advantage of the methodology proposed in this study against analytical methods is that both simple and complex grounding systems buried in homogeneous or nonhomogeneous soil taking into account soil breakdown process can be modeled. the suggested modeling is validated by comparison of the calculated results, which are laid out for grounding rod and grounding grid, with experimental tests results and simulations results found in literature. the performance of grounding system, considering the soil ionization effect at high-magnitude current, is also compared with the one not considering the soil ionization effect

关键词： electromagnetic fields finite-element methods grounding electrodes ionization numerical analysis

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Monte-Carlo simulation for magnetic dynamic process of deformed micro magnetic clusters

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IEEE TRANSACTIONS ON MAGNETICS 2006年第4期42卷 927-930页

作者： Yamaguchi, K Tanaka, S Nittono, O Yamada, K Takagi, T Fukushima Univ Fac Symbiot Syst Sci Fukushima 9601296 Japan Saitama Univ Fac Engn Urawa Saitama 3388570 Japan Tohoku Univ Inst Fluid Sci Sendai Miyagi 9808577 Japan

Magnetic hysteresis and Barkhausen noise for deformed micro magnetic clusters were simulated by pseudo-nonequilibrial Monte Carlo method. the magnetic hysteresis curve showed a little dip around zero magnetic fields. Barkhausen noise on the dip was stronger than ordinal Barkhausen noise around coercive force. the result suggests a new measurement to reveal deformation of micro magnetic clusters.

关键词： magnetic hysteresis modeling magnetization processes Monte Carlo method

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Economic value added of supply chain demand planning: A system dynamics simulation

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ROBOTICS AND COMPUTER-INTEGRATED MANUFACTURING 2006年第5-6期22卷 550-556页

作者： Ashayeri, J. Lemmes, L. Tilburg Univ Dept Econometr & Operat Res Ctr Econ Res Tilburg Netherlands EyeOn Consultancy Eindhoven Eindhoven Netherlands

the development of a successful demand plan is typically a joint effort between different functional units such as Logistics, Marketing, Sales and executive management at one hand and between different business units on the other. Starting a project to structurally improve the demand planning often requires convincing all parties involved in such an effort. the key is to quantify the bottom-line impact of an increased demand planning reliability in the supply chain. this paper proposes a system dynamics simulation modeling framework that allows different managers to examine how improvements in their demand reliability will impact the overall corporate bottom-line. For example, supply chain managers can investigate how proposed changes in the supply chain demand forecasting structure, different suppliers, different logistics routes, or alternative inventory methods, may increase the overall profitability. the simulation model has been tested, validated with a real-life case of LG. Philips Displays Europe. (C) 2006 Elsevier Ltd. All rights reserved.

关键词： supply chain demand reliability system dynamics simulation

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Discrepancies of the flat-band voltage models revealed by simulations in sub-50nm SOI films

Discrepancies of the flat-band voltage models revealed by si...

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15th IASTED International conference on Applied simulation and Modelling

作者： Ravariu, C. Rusu, A. Babarada, F. Ravariu, F. Univ Politehn Bucuresti Fac Elect & Telecommun Splaiul Independentei 313 Bucharest 77206 Romania Natl Inst Res & Dev Microtechnologies Bucharest R0-72996 Romania

ISBN: (纸本)0889865590

the flat-band voltage is a key parameter in the electrical characterization of the SOI wafers. the usual models for the flat-band voltage were established for SOI structures with 2 mu m...0.2 mu m Si-film thickness and 40...20nm front oxide thickness. the electric charge from the buried oxide was poorly investigated, because the interesting conduction occurs in the vicinity of the front oxide. But the pseudo-MOS transistor, used as a dedicated device for electrical characterization, exclusively works with buried oxide. the classical model of V-FB, deduced for the pseudo-MOS transistors with micronic sizes, presents some deficiencies in the nanodevice area. the downscaling consequences of the SOI wafers on the flat-band voltage modeling were studied in this paper. the simulations and modeling were focused on the electric charges arisen at Si/SiO2/Si interfaces.

关键词： modeling simulation SOI structures interface charges

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Simple modeling of the AC hysteretic property of a grain-oriented silicon steel sheet

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IEEE TRANSACTIONS ON MAGNETICS 2006年第4期42卷 919-922页

作者： Matsuo, T Shimasaki, M Kyoto Univ Grad Sch Engn Dept Elect Engn Kyoto 6158510 Japan

A homogenized model based on the Pry and Bean model is generalized to represent the ac hysteretic characteristics of an actual grain-oriented silicon steel sheet. A parameter for the frequency dependence of eddy-current loss is introduced. the generalized model improves the evaluation accuracy of eddy-current loss and the representation of ac B-H loops under the condition of a sinusoidal magnetic flux. the generalized model also accurately represents ac B-H loops having minor loops.

关键词： AC hysteresis excess eddy-current loss homogenization Pry and Bean model

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Design and simulation of turbo-alternators using a coupled permeance network model

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IEEE TRANSACTIONS ON MAGNETICS 2006年第4期42卷 1259-1262页

作者： Petrichenko, D Hecquet, M Brochet, P Kuznetsov, V Laloy, D Ecole Cent Lille L2EP F-59651 Villeneuve Dascq France JEUMONT SA Framatome F-59573 Jeumont France MPEI Dept Electromech Moscow 111250 Russia

the modeling of a turbo-alternator using permeance network is described. this approach allows implementing electrical and magnetic coupling as well as mechanical coupling. Such processes as saturation, movement, and three-dimensional (3-D) effects are taken into account. the aim of this study is to set up a design model of 10-100 mW turbo-alternators. the method of taking into account of 3-D effects is described. the first results of simulation were obtained. the experimental measurements validate the model.

关键词： air-gap permeance automatic generation of the permeance network CAD application magnetic circuit magnetic field reluctance network

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Proceedings of the 15th IASTED International conference on Applied simulation and Modelling

Proceedings of the 15th IASTED International Conference on A...

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15th IASTED International conference on Applied simulation and Modelling

ISBN: (纸本)0889865612

the proceedings contain 93 papers. the topics discussed include: adaptive noise canceller for cardiac sounds of fetus;multi-level cross platform BSP framework (MCBF);a knowledge-based system for the determination of material response states;ordinal optimization approach to stochastic simulation optimization problems and applications;modeling of electric and elastic fields in piezoelectric transducers;a three-dimensional finite element thermal model for laser transmission welding of thermoplastics;simulation of powder cable performance under extreme soil and environmental conditions;simulation of cyclic stress-strain curve and stable hysteresis curves for fatigue life prediction of 304 stainless steel;petri net based modeling and simulation of pipelined block-cyclic broadcasts;and determining the effect of tyre pressure, axle load and wheel configuration on flexible pavements fatigue life using finite element method.

关键词： Computer simulation

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modeling and analysis of Ethernet performance through simulation

Modeling and analysis of Ethernet performance through simula...

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15th IASTED International conference on Applied simulation and Modelling

作者： Singh, Y. Jayanta Mehrotra, S. C. Skyline Coll Dept CS PO 1797 Sharjah U Arab Emirates Dr BA Marathwada Univ Dept IT & CS Aurangabad Maharashtra India

ISBN: (纸本)0889865590

For achieving high performance of any system does not depend only on using faster hardware device but also on improvements in architecture and processing techniques. With the large growing numbers of applications and users the exchange of the information is also increasing. Existing Ethernet systems have been investigated to see the effective utilization of the system to obtain higher performance with setting minimum changes. this study presents a detailed simulation study of an Ethernet. the experiment is mainly concentrated on maximum utilization of the system in a minimum delay time with a less number of collisions. the experimental results show the most effective and less effective parameters to the performance. A Correlation factor is introduced to understand the interdependence of the different parameters of the Ethernet. the importance of the nature of traffic and setting of performing parameter to appropriate values for optimum utilization are discuss.

关键词： Ethernet simulation optimized values correlation factor

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