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2011 IEEE International Conference on computer Science and Automation engineering(CSAE 2011)

作者： Oral Alan Nadia Erdogan Information Technologies Institute Research Center for Advanced Technologies On Informatics and Information Security Kocaeli Turkey Computer Engineering Department Faculty of Electrical and Electronic Engineering stanbul Technical University stanbul Turkey

Understanding thread behavior makes multithreaded programming *** behavior can be observed by calculating metrics that are driven from thread state changes and time durations spent in those *** paper presents the design and implementation of a new thread profiler that builds on aspect-oriented programming (AOP) approach and its use on multi-threaded *** new profiler differs from existing profilers in that it adopts a metrics based approach,calculating certain metrics for threads *** presented is a method to retrieve exact time information at the machine level from the JVM *** paper concludes with a description of results obtained for thread profiling and metric calculations and a comparison of the overhead the profiler introduces with that of other profilers.

关键词： threads,thread profiling,aspect-oriented programming,metrics-based analysis,dynamic metrics,multithreaded programs

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Reduction of Player's Weight by Active Playing Using Motion Sensors

Reduction of Player's Weight by Active Playing Using Motion ...

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The 2011 International Conference on Electric and Electronics(EEIC 2011)

作者： Ondrej Krejcar Dalibor Janckulik University of Hradec Kralove FIM Department of Information Technologies VSB Technical University of Ostrava Center for Applied Cybernetics Department of Measurement and Control Faculty of Electrical Engineering and Computer Science

This project was inspired by the idea of the connection of amusement and useful thing respectively the movement by the playing games, because as is known global problem of the Word is increasing obesity caused by the addiction on the PC games at the young people. This project connects pleasurable with useful, respectively playing of the game with physical effort. By the help of the accelerometer is possible to handle by simple games to whose operating is needed physical impulsion of the player. After it would be possible to take up on this project by the beat measurement of the player in order to check on effectivity of the suggested system. Software was programmed in background C#.

关键词： accelerometer weight reducing mobile device C#

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Dependence of functional vulnerabilities to the parameters of the caspase molecular network

Dependence of functional vulnerabilities to the parameters o...

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IEEE Signal Processing in Medicine and Biology Symposium (SPMB)

作者： I. Habibi A. Abdi E. S. Emamian Electrical and Computer Engineering Department New Jersey Institute of Technology Newark NJ USA Advanced Technologies for Novel Therapeutics Enterprise Development Center Newark NJ USA

In this paper a systems biology framework for generalized fault diagnosis in the caspase signaling network of biomolecules is studied. This novel method is capable of identifying critical molecules whose dysfunction can affect the network function detrimentally. The generalized vulnerabilities defined and computed in the paper quantify the role of molecules in a complex network. Impact of network input activities and multiple faults are studied as well. The results and methods are useful for quantitative analysis of functional impacts of individual or a group of molecules on the overall performance of molecular signaling networks.

关键词： Insulin Circuit faults Fault diagnosis Systems biology Probability Regulators

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Two local observables are sufficient to characterize maximally entangled states of N qubits

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Physical Review A 2011年第2期83卷 022319-022319页

作者： Fengli Yan Ting Gao Eric Chitambar College of Physics Science and Information Engineering and Hebei Advanced Thin Films Laboratory Hebei Normal University Shijiazhuang 050016 China College of Mathematics and Information Science Hebei Normal University Shijiazhuang 050016 China Center for Quantum Information and Quantum Control (CQIQC) Department of Electrical and Computer Engineering and Department of Physics University of Toronto Toronto Ontario M5S 3G4 Canada

Maximally entangled states (MES) represent a valuable resource in quantum information processing. In N-qubit systems the MES are N-GHZ states [i.e., the collection of |GHZN〉=12(|00…0〉+|11…1〉)] and its local unitary (LU) equivalences. While it is well known that such states are uniquely stabilized by N commuting observables, in this article we consider the minimum number of noncommuting observables needed to characterize an N-qubit MES as the unique common eigenstate. Here, we prove, rather surprisingly, that in this general case any N-GHZ state can be uniquely stabilized by only two observables. Thus, for the task of MES certification, only two correlated measurements are required with each party observing the spin of his or her system along one of two directions.

关键词： Quantum entanglement

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Active disturbance rejection control for non-minimum phase systems

Active disturbance rejection control for non-minimum phase s...

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作者： Zhao, Shen Gao, Zhiqiang Center for Advanced Control Technologies Department of Electrical and Computer Engineering Cleveland State University Cleveland OH 44115 United States

ISBN: (纸本)9787894631046

Active disturbance rejection control (ADRC) has been applied to solve various types of control problems across many engineering disciplines, but largely within the confine of minimum phase systems. This paper, however, explores systematically its applications to non-minimum phase (NMP) systems, particularly those with transfer functions that have right half plane zeros. It is first shown that, a regular ADRC controller, if not tuned carefully, could easily yield an undesirable solution for NMP systems. We then demonstrate the reasons behind the difficulty using transfer function analysis, leading to a solution in how we tune the ADRC for NMP systems. In particular, a systematic design and tuning procedure is obtained based on the relationship between the high frequency gain of the system and the controller bandwidth. Finally, the proposed method allows a user to easily make a tradeoff between the undershoot, which is unique in NMP systems, and the response time, using the frequency response method of gain and phase compensation.

关键词： controllers

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Active disturbance rejection control for non-minimum phase systems

Active disturbance rejection control for non-minimum phase s...

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Chinese control Conference (CCC)

作者： Shen Zhao Zhiqiang Gao Center for Advanced Control Technologies Department of Electrical and Computer Engineering Cleveland State University OH 44115 USA

关键词： Bandwidth Observers Transfer functions control systems Tuning Simulation Frequency domain analysis

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Growth evolution and time-resolved photoluminescence studies of III-nitride light-emitting diodes grown by abbreviated growth mode on patterned AGOG substrate

Growth evolution and time-resolved photoluminescence studies...

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Conference on Lasers and Electro-Optics

作者： Ee, Yik-Khoon Li, Xiao-Hang Biser, J.M. Cao, W. Chan, Helen M. Vinci, R.P. Tansu, Nelson Center for Optical Technologies Department of Electrical and Computer Engineering Lehigh University Bethlehem PA 18015 United States Center for Advanced Materials and Nanotechnology Dept. of Material Science and Engineering Lehigh University Bethlehem PA 18015 United States

Abbreviated growth mode of InGaN-based light-emitting diodes on nano-patterned sapphire leads to reduction in dislocation density and non-radiative recombination rate, and 37% increase in internal quantum efficiency. ... 详细信息

ISBN: (纸本)9781557528902

关键词： Light emitting diodes

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Design and implementation of embedded computer vision systems based on particle filters

Design and implementation of embedded computer vision system...

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作者： Saha, Sankalita Bambha, Neal K. Bhattacharyya, Shuvra S. Mission Critical Technologies Inc NASA Ames Research Center Moffett Field CA 94035 United States U.S. Army Research Laboratory Adelphi MD 20783 United States Department of Electrical and Computer Engineering Institute for Advanced Computer Studies University of Maryland College Park MD 20742 United States

Particle filtering methods are gradually attaining significant importance in a variety of embedded computer vision applications. For example, in smart camera systems, object tracking is a very important application and particle filter based tracking algorithms have shown promising results with robust tracking performance. However, most particle filters involve vast amount of computational complexity, thereby intensifying the challenges faced in their real-time, embedded implementation. Many of these applications share common characteristics, and the same system design can be reused by identifying and varying key system parameters and varying them appropriately. In this paper, we present a System-on-Chip (SoC) architecture involving both hardware and software components for a class of particle filters. The framework uses parameterization to enable fast and efficient reuse of the architecture with minimal re-design effort for a wide range of particle filtering applications as well as implementation platforms. Using this framework, we explore different design options for implementing three different particle filtering applications on field-programmable gate arrays (FPGAs). The first two applications involve particle filters with one-dimensional state transition models, and are used to demonstrate the key features of the framework. The main focus of this paper is on design methodology for hardware/software implementation of multi-dimensional particle filter application and we explore this in the third application which is a 3D facial pose tracking system for videos. In this multi-dimensional particle filtering application, we extend our proposed architecture with models for hardware/software co-design so that limited hardware resources can be utilized most effectively. Our experiments demonstrate that the framework is easy and intuitive to use, while providing for efficient design and implementation. We present different memory management schemes along with results on t

关键词： Monte Carlo methods

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Feature selection and classification of breast cancer on dynamic Magnetic Resonance Imaging by using artificial neural networks

Feature selection and classification of breast cancer on dyn...

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Iranian Conference of Biomedical engineering (ICBME)

作者： Farzaneh Keivanfard Mohammad Teshnehlab Mahdi Aliyari Shoorehdeli Ke Nie Min-Ying Su Electrical and Computer Engineering Department Khaje Nasir Toosi University of Technology Tehran Iran Electrical and Computer Engineering Department Advanced Process Automation and Control (APAC) Khaje Nasir Toosi University of Technology Tehran Iran Center for Functional Onco-Imaging and Department of Radiological Sciences University of California Irvine CA USA

In this paper, a new feature selection and classification methods based on artificial neural network are applied to classify breast cancer on dynamic Magnetic Resonance Imaging (MRI). The database including benign and malignant lesions is specified to select the features and classify with proposed methods. It is collected from 2004 to 2006. A forward selection method is applied to find the best features for classification. Moreover, artificial neural networks such as Multilayer Preceptron (MLP) neural network, Probabilistic Neural Network (PNN) and Generalized Regression Neural Network (GRNN) are applied to classify breast cancer into two groups; benign and malignant lesions. Training and recalling neural networks are obtained with considering four-fold cross validation.

关键词： Fires Entropy Correlation Artificial neural networks Lesions Jacobian matrices Kinetic theory

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An integrated control of shading blinds, natural ventilation, and HVAC systems for energy saving and human comfort

An integrated control of shading blinds, natural ventilation...

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IEEE International Conference on Automation Science and engineering (CASE)

作者： Biao Sun Peter B. Luh Qing-Shan Jia Ziyan Jiang Fulin Wang Chen Song Center of Intelligent and Networked Systems (CFINS) Tsinghua National Laboratory of Information Science and Technology Tsinghua University Beijing China Department of Electrical and Computer Engineering University of Connecticut Storrs CT USA Department of Building Science Tsinghua University Beijing China Safety and Control Systems China and the Tsinghu-UTC Research Institute of Integrated Building Energy United Technologies Research Center Inc. Beijing China

Improving the control of shading blinds, lights, natural ventilation, and HVAC systems while satisfying human comfort requirements can result in significant energy cost savings with time-of-day electricity pricing. Traditionally, the above-mentioned devices are controlled separately. In this paper, a novel formulation for the integrated control and the corresponding solution methodology are presented. The problem is to minimize daily energy costs of lights and HVAC systems while satisfying equipment capacities, system dynamics, and human comfort. The problem is complicated since 1) individual rooms are coupled as they compete for the HVAC with limited capacity and nonlinear characteristics, and 2) the problem is believed to be NP-hard in view that decision variables are all discrete. A solution methodology that combines Lagrangian relaxation and stochastic dynamic programming is developed within the surrogate optimization framework to obtain near-optimal strategies. These strategies are further refined to become novel control rules for easy practical implementation. Numerical simulation results show that both of the above strategies can effectively reduce the total energy cost, and that the integrated control works better than selected traditional control strategies.

关键词： Ventilation Humidity Equations Optimization Heating Humans

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