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Texture evolution during deep drawing of copper sheet

SCRIPTA MATERIALIA 1997年第9期36卷 1023-1029页

作者： Li, SY Zhang, XM Department of Materials Science and Engineering Central South University of Technology Changsha 410083 P. R. China

References 1. G.E.G. Tucker. Acta Metall. 9 (1961), p. 275. Abstract | PDF (1232 K) | View Record in Scopus | Cited By in Scopus (29) 2. H. Inagaki. Z. Metallk. 82 (1991), p. 361. View Record in Scopus | Cited By in Scopus (14) 3. F. Barlat, K. Chung and O. Richmond. Metall. Trans. A 25A (1994), p. 1209. Full Text via CrossRef | View Record in Scopus | Cited By in Scopus (0) 4. K.C. Chan. Scripta Metall. Mater. 32 (1995), p. 229. Article | PDF (292 K) | View Record in Scopus | Cited By in Scopus (3) 5. S.Y. Li, X.M. Zhang and G. Gottstein. In: Z. Liang, L. Zuo and Y. Chu, Editors, Proc. 11th Int. Conf. on Textures of Materials (ICOTOM-11), International Academic Publishers, Beijing (1996), p. 805. 6. S.Y. Li and X.M. Zhang. In: Z. Yu, Z. Xiao and X. Xie, Editors, proceedings of the International conference on Modelling and simulation in Metallurgical engineering and Materials science (MSMM'96), The Metallurgical Industry Press, Beijing (1996), p. 609. 7. W. Dabrowski, J. Karp and H.-J. Bunge. Arch. Eisenhüttenwes. 53 (1982), p. 361. View Record in Scopus | Cited By in Scopus (2) 8. D. Daniel, J. Savoie and J.J. Jonas. Acta Metall. Mater. 41 (1993), p. 1907. 9. J. Kusnierz, M. Gasperini, A. Mokhtari, M. Pernot and R. Penelle. In: C.M. Brakman, P. Jongenburger and E.J. Mittemeijer, Editors, ICOTOM-7, Noordwijkerhout, The Netherlands (1984), p. 509. View Record in Scopus | Cited By in Scopus (0) 10. J. Kusnierz. Arch. Metall. 33 (1988), p. 179. 11. S. Saimoto, P. Van Houtte, D. Reesor and P. Clarke. Textures and Microstructures 14–18 (1991), p. 1233. Full Text via CrossRef 12. C. Peyrac and R. Penelle. Mém. Sci. Rev. Mét. 89 (1992), p. 270. 13. R.J. Asaro and A. Needleman. Acta Metall. 33 (1985), p. 923. Abstract | PDF (3227 K) | View Record in Scopus | Cited By in Scopus (368) 14. P. Gilormini, L.S. Toth and J.J. Jonas. In: (6th ed.),Proc. R. Soc. Lond. A. 430 (1990), p. 489. Full Text via CrossRef 15. J. Savoie and J.J. Jonas. Acta Metall. Mater. 42

关键词： Textures

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Multimode fuzzy-CMAC intelligent controller

Multimode fuzzy-CMAC intelligent controller

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American Control conference (ACC)

作者： Guo Chen D.P. Kwok Sun Zengqi Yu Jingzhe Department of Automatic Control Dalian Maritime University Dalian China Department of Electronic Engineering Hong Kong Polytechnic University Hung Hom China Department of Computer Science and Engineering Tsinghua University Beijing China

Proposes a combined controller structure and algorithm which integrates a cerebellar model articulation controller (CMAC) with fuzzy logic and bang-bang control under an intelligent supervisor. This neuro-fuzzy controller has self-learning ability in real-time and can readily be applied to industrial process plants. The numerical results of simulation studies, which demonstrate the benefit and feasibility of the proposed algorithm, are presented.

关键词： Control systems Automatic control Fuzzy logic Force control Intelligent structures Neural networks Optimal control Bang-bang control Process control Steady-state

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Modelling an autonomous wind-diesel system using SIMULINK

Modelling an autonomous wind-diesel system using SIMULINK

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Canadian conference on Electrical and Computer engineering (CCECE)

作者： A. Tomilson J. Quaicoe R. Gosine M. Hinchey N. Bose Faculty of Engineering & Applied Science Memorial University of Newfoundland Saint John's NEW Canada

In this paper, a nonlinear dynamic model of the experimental wind-diesel system at the Atlantic Wind Test Site (AWTS) is developed and simulated using the MATLAB and SIMULINK software packages. The model is validated ... 详细信息

关键词： Mathematical model Wind energy generation Diesel engines Nonlinear dynamical systems Power system modeling Power generation Wind energy Testing Software packages Costs

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Controlling chaos in a manufacturing system with two machines and two part-types based on the Hogg-Huberman strategy

Controlling chaos in a manufacturing system with two machine...

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International conference on Control of Oscillations and Chaos

作者： T. Ushio N. Motonaka Department of Systems and Human Science Osaka University Toyonaka Osaka Japan Syst. & Electronics Division 2nd Engineering Department Systems Engineering Section Sumitomo Electric Industries Limited Japan

This paper considers a resource allocation problem in a manufacturing system consisting of two machines and two types of parts. We introduce a discrete-time model of the system and examine stability and bifurcation phenomena. We show by computer simulation that chaotic behaviors are observed after successive occurrence of period-doubling bifurcations. It is also shown that the optimal state of the system is stabilized by a reward mechanism proposed by Hogg and Huberman (1991).

关键词： Control systems Chaos Manufacturing systems Biological system modeling Assembly systems Bifurcation Multiagent systems Resource management Delay Humans

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Interactive animation and visualization in a virtual soil mechanics laboratory

Interactive animation and visualization in a virtual soil me...

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Frontiers in Education (FIE) conference

作者： M.E. Haque Department of Construction Science Texas A and M University College Station TX USA

With the advances in information technology over the last decade, the traditional teaching format of having an individual lecture to an audience has been supplemented and, in some cases, replaced by the rapid development and implementation of new distance learning methods. As technology rapidly changes, the importance of educating and training diverse populations of construction science students become more critical. It has become relatively easy to develop Web-based course materials for courses that do not have laboratory components. However, technology is currently available that allows for the development of virtual laboratories. It is now possible to develop laboratory courseware that can simulate very sophisticated and costly equipment and reach larger sections of the student population. The paper demonstrates a Web-based interactive virtual soil mechanics laboratory for construction science. The main elements of the presented approach are: a means of assimilating the students' interactive learning knowledge and behavior, representation of the instructor's guidance and assessment knowledge, and utilization of motivational techniques such as multimedia, animation and java simulation of laboratory soil tests. The presented paper illustrates some of the laboratory soil tests that are simulated with multimedia interaction and visualization techniques for enhancing the student's subject visualization and conceptual understanding in soil mechanics.

关键词： Animation Visualization Soil Laboratories Testing Information technology Education Computer aided instruction Materials science and technology Courseware

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Parallel Computing Technologies 1

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丛书名： Lecture Notes in Computer science

1000年

作者： Victor Malyshkin

ISBN: (数字)9783642032752

ISBN: (纸本)9783642032745

The PaCT-2009 (Parallel Computing Technologies) conference was a four-day eventheld in Novosibirsk. This was the tenth internationalconference to be held in the PaCT series. The conferences are held in Russia every odd year. The ?rst conference, PaCT 1991, was held in Novosibirsk (Academgorodok), September 7–11, 1991. The next PaCT conferences were held in Obninsk (near Moscow), August 30 to September 4, 1993; in St. Petersburg, September 12–15, 1995; in Yaroslavl, September 9–12, 1997; in Pushkin (near St. Petersburg), September 6–10, 1999; in Academgorodok (Novosibirsk), September 3–7, 2001; in Nizhni Novgorod, September 15–19, 2003; in Krasnoyarsk, September 5–9, 2005; in Pereslavl-Zalessky, September 3–7, 2007. Since 1995 all the PaCT proceedings have been published by Springer in the LNCS series. PaCT-2009 was jointly organized by the Institute of Computational Mathematics and Mathematical Geophysics of the Russian Academy of sciences (RAS) and the State University of Novosibirsk. The purpose of the conference was to bring together scientists working on theory, architecture, software, hardware and the solution of lar- scale problems in order to provide integrated discussions on parallel computing technologies. The conference attracted about 100 participants from around the world. Authors from 17 countries submitted 72 papers. Of those submitted, 34 were selected for the conference as regular papers; there were also 2 invited - pers. In addition there were a number of posters presented. All the papers were internationallyreviewedby at leastthree referees. A demo sessionwasorganized for the participants.

关键词： Computer System Implementation Software engineering/Programming and Operating Systems Algorithm Analysis and Problem Complexity Numeric Computing simulation and Modeling Performance and Reliability

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ARMVLS-atomic reaction model visual language system-a new way of animating algorithms

ARMVLS-atomic reaction model visual language system-a new wa...

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International conference on Information, Communications and Signal Processing

作者： K. Warendorf Wen Jing Hsu Poh Yeen Seah School of Applied Science Nanyang Technological University Singapore

Visual language (VL) is a programming language without textual codes and algorithm animation (AA) is about visualizing a computer algorithm. Visual programming (VP) and AA are traditionally separate factions in software visualization (SV). With the atomic reaction model (ARM) project we have bridged these two major branches in SV. Due to the advancements in graphics technology, many developers have come up with graphical applications that claim to be VLs. We see in this diversity of VP systems two main categories of VLs. They are the application specific and the general programming (GP). GPVLs are be developed with the eventual aim of substituting textual programming. Currently, there are two main approaches: graphical rewrite systems and dataflow VLs. AA systems have up to this point of time used the approach pioneered by the BALSA AA system to animate algorithms. Opsis, a java applet for teaching binary tree algorithms, has shown that the visual approach to AA is more effective as a learning tool. Therefore in this project, we create a VP system that can animate most of the algorithms traditionally done by textual coding. The ARM offered an alternative to the textual codes used in BALSA systems. We have also proven that a VL is capable of solving complex problems without sacrificing its visual clarity and showed that graphical rewrite systems are not necessarily simplistic and without much flow control as compared to dataflow VLs. We have even laid down the frameworks of a heterogeneous VL. Our research has successfully opened the door to true GPVLs.

关键词： Animation Visualization Binary trees Flowcharts Computer languages Computer graphics java Education Control systems Joining processes

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Synthetic multispectral data sets for testing remote sensing algorithms and processing systems

Synthetic multispectral data sets for testing remote sensing...

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conference on Advanced and Next-Generation Satellites II

作者： Fleig, AJ Masuoka, EJ Yang, K Univ. of Maryland and NASA Goddard Space Flight Ctr. (United States) NASA Goddard Space Flight Ctr. (United States) Science Applications International Corp. (United States)

ISBN: (纸本)0819423610

At the same time that we develop new sensors we also need to produce algorithms and processing systems to analyze the data in an operational mode shortly after launch. To develop and test the algorithms and processing systems we need test data. Yet new sensors are often designed to produce combinations of measurements that have never been made before. To resolve this dilemma for the Moderate Resolution Imaging Spectroradiometer (MODIS) to be launched in 1998 on the Earth Observing System (EOS) AM platform we are producing synthetic data to test the programming and operational aspects of the algorithms and processing systems. Both MODIS and the resulting synthetic data provide measurements at 36 wavelengths ranging from the visible (400 nanometers) well into the infrared (14 micrometers) day and night over the entire globe. The test data covers many of the physical conditions MODIS will observe with a full range of surface and atmospheric characteristics over land and sea with correct instrument and orbital characteristics. The data is sufficiently representational of the radiances MODIS would observe that the processing algorithms run to completion in a reasonable manner and use computing resources similar to those expected with real flight data. Although the simulation is not detailed enough to support theoretical investigations it has proven invaluable in implementing new concepts into operational code. So far we have provided hundreds of gigabytes of data covering many test cases. We describe requirements for synthetic data, tell how the data is produced, what characteristics it models, what limitations it has and what sorts of tests it supports. We show examples of the resulting data sets and describe our plans for future improvements. Sample synthetic MODIS data sets are available and we tell where and how to obtain them.

关键词： synthetic data test data remote sensing algorithm development

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Two-dimensional simulation of electron cyclotron resonance plasma and comparison with experimental data

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Thin Solid Films 1999年第1期341卷 18-21页

作者： Shin, Chee Burm Hur, Jin Seok Oh, Soo Ghee Department of Chemical Engineering Ajou University 442-749 Suwon Korea Republic of Department of Physics Ajou University 442-749 Suwon Korea Republic of

A two-dimensional fluid simulation of argon plasma in an electron cyclotron resonance source was performed and an experiment was conducted to compare the theoretical prediction and experimental measurements. Conservation equations for mass, momentum and energy in a multicomponent system were solved based on the finite element method in order to compute the fluid velocity field, pressure field, neutral species densities, charged species densities, and electron temperature. By using a Langmuir probe, the variations of electron temperature and electron density along chamber axis were measured for pressures in the range 0.4-7 mTorr. simulation results agreed favorably with experimental data.

关键词： Plasma simulation

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Design and construction of a PC-based stack machine simulator for undergraduate computer science and engineering courses

Design and construction of a PC-based stack machine simulato...

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Frontiers in Education (FIE) conference

作者： F. Khan S. Anwar Department of Computer Science University of Texas Brownsville Brownsville TX USA

A senior level compiler design course in an undergraduate computer science and engineering program usually deals with teaching the students the basics of compiler construction. Since the impetus of such an undergraduate course is to deal with the issues of compiler construction rather than intricacies of different machines, it is instructive to generate the code for a simple stack machine, incorporating a hardware stack, rather than dealing with a register-based machine such as a microcomputer. However, the educational institutions have the latter as a well established computing platform. Therefore, for testing a constructed compiler for a stack machine, it is feasible to make a microcomputer-based stack machine simulator. This paper presents the working design of a PC-based stack machine simulator developed by the authors for use in an undergraduate computer science and engineering course in compiler design. This paper begins by putting forward the architecture of the virtual stack machine for which the simulator is designed and constructed. The stack machine's instruction set is explained and then followed by a discussion of its encoding scheme. The main data structures and the different stages of the simulator are elaborated upon, culminating in a description of the salient features of the simulator that make it an effective tool in a compiler construction course. This includes the simulator's different analytical features such as measuring space-time complexity to analyze the effectiveness of a compiled code.

关键词： Computational modeling Program processors Computer science Design engineering Education Hardware Microcomputers Educational institutions Testing Computer simulation

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