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Frontiers in Education (FIE) Conference

作者： Mihaela Radu Ana Rusu Frederick Berry Mats Brorsson Electrical and Computer Engineering Department Rose Hulman Institute of Technology Terre Haute IN USA Department of Electronic Computerand Software SystemsSchool of Information and Communication Technology Royal Institute of Technology Stockholm Sweden

In todaypsilas world, where new technologies emerge and advance at a very fast pace every year, many professional societies are discussing moving to a Master level program as a ldquofirst professional degreerdquo, anticipating graduates with advances skills for tomorrowpsilas demanding and advanced industry. In this context, the education at the master level is becoming more and more important. Another key issue in todaypsilas world is the impact of globalization process (needs of multinational corporations). The engineering education must address the impact of global hiring. The graduates entering the global workplace must possess besides the essential technical skills, also cultural, social and communication skills, enabling them to work and interact in international environments, bringing creativity and innovative development in multi-cultural groups. In this context, exchange programs between different universities, located in different countries and continents are flourishing, the universities trying to integrate study-abroad components in their programs. This paper is presenting as a ldquoWork in Progressrdquo, the first steps related to an exchange program at the graduate level in the area of Microelectronics, between two prestigious universities located in USA (Rose Hulman Institute of Technology, Terre Haute, IN) and Sweden (Royal Institute of Technology, Stockholm). A Joint Degree or Dual Degree program at the Master Level is envisaged in the near future.

关键词： Microelectronics systems engineering and theory Educational institutions Professional societies Educational programs Globalization engineering education Employment Cultural differences Global communication

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Jeeva: Enterprise Grid Enabled Web Portal for Protein Secondary Structure Prediction

Jeeva: Enterprise Grid Enabled Web Portal for Protein Second...

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International Conference on Advanced Computing and Communications (ADCOM)

作者： Chao Jin Jayavardhana Gubbi Rajkumar Buyya Marimuthu Palaniswami Grid Computing and Distributed Systems (GRIDS) Laboratory Department of Computer Science and Software Engineering University of Melbourne Melbourne VIC Australia Department of Electrical and Electronic Engineering University of Melbourne Melbourne VIC Australia

This paper presents a grid portal for protein secondary structure prediction developed by using services of Aneka, a .NET-based enterprise grid technology. The portal is used by research scientists to discover new prediction structures in a parallel manner. An SVM (support vector machine)-based prediction algorithm is used with 64 sample protein sequences as a case study to demonstrate the potential of enterprise grids.

关键词： Portals Protein engineering Grid computing Prediction algorithms Support vector machines Distributed computing Environmental management Chaos computer science History

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A Robust Descriptor based on Weber's Law

A Robust Descriptor based on Weber's Law

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26th IEEE Conference on computer Vision and Pattern Recognition (CVPR 2008), vol.8

作者： Jie Chen Shiguang Shan Guoying Zhao Xilin Chen Wen Gao Matti Pietikainen School of Computer Science and Technology Harbin Institute of Technology Harbin China Machine Vision Group Department of Electrical and Information Engineering University of Oulu Finland Languages Informatics Systems and Software Engineering Department Faculty of Computer Science Chinese Academy and Sciences Beijing China

Inspired by Weber's Law, this paper proposes a simple, yet very powerful and robust local descriptor, Weber Local Descriptor (WLD). It is based on the fact that human perception of a pattern depends on not only the change of a stimulus (such as sound, lighting, et al.) but also the original intensity of the stimulus. Specifically, WLD consists of two components: its differential excitation and orientation. A differential excitation is a function of the ratio between two terms: One is the relative intensity differences of its neighbors against a current pixel;the other is the intensity of the current pixel. An orientation is the gradient orientation of the current pixel. For a given image, we use the differential excitation and the orientation components to construct a concatenated WLD histogram feature. Experimental results on Brodatz textures show that WLD impressively outperforms the other classical descriptors (e.g., Gabor). Especially, experimental results on face detection show a promising performance. Although we train only one classifier based on WLD features, the classifier obtains a comparable performance to state-of-the-art methods on MIT+CMU frontal face test set, AR face dataset and CMU profile test set.

关键词： Robustness Face detection Humans Content addressable storage Testing Psychology Laboratories Machine intelligence Information processing computers

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Localization-oriented coverage based on Bayesian estimation in camera sensor networks

Localization-oriented coverage based on Bayesian estimation ...

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IEEE International Symposium on World of Wireless Mobile and Multimedia Networks (WoWMoM)

作者： Liang Liu Xi Zhang Huadong Ma Beijing Key Laboratory of Intelligent Telecomm Software and Multimedia Beijing University of Posts and Telecommunications Beijing China Networking and Information Systems Laboratory Department of Electrical and Computer Engineering Texas A and M University College Station TX USA

Target tracking and localization are important applications in camera sensor networks. Although coverage is a very important research topic in wireless sensor networks, and the coverage problem for target detection has been intensively studied, few considers the coverage problem from the perspective of target localization. In this paper, we investigate the coverage problem from the perspective of target localization for camera sensor networks. We first propose a novel localization-oriented sensing model based on the perspective projection of camera. Then, we propose a new notion of localization-oriented coverage (L-coverage for short). We assume that all camera sensors make the measurements independent of other in the field, and these camera sensors can cooperate to make an accurate estimation for the location of the target. In addition, the relationships among L-coverage, 2-coverage, and the density of camera sensors are also discussed in this paper. The obtained results show that our model can be effectively deployed in many practical scenarios.

关键词： Cameras Sensors Bayesian methods Wireless sensor networks Distance measurement Noise Noise measurement

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A component-oriented programming for embedded mobile robot software

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International Journal of Advanced Robotic systems 2007年第3期4卷 371-380页

作者： Jawawi, Dayang N. A. Mamat, Rosbi Deris, Safaai Department of Software Engineering Faculty of Computer Science and Information Systems Universiti Teknologi Malaysia 81310 UTM Skudai Malaysia Department of Mechatronics and Robotics Engineering Faculty of Electrical Engineering Universiti Teknologi Malaysia 81310 UTM Skudai Malaysia

Applying software reuse to many Embedded Real-Time (ERT) systems poses significant challenges to industrial software processes due to the resource-constrained and real-time requirements of the systems. Autonomous Mobile Robot (AMR) system is a class of ERT systems, hence, inherits the challenge of applying software reuse in general ERT systems. Furthermore, software reuse in AMR systems is challenged by the diversities in terms of robot physical size and shape, environmental interaction and implementation platform. Thus, it is envisioned that component-based software engineering will be the suitable way to promote software reuse in AMR systems with consideration to general requirements to be self-contained, platform-independent and real-time predictable. A framework for component-oriented programming for AMR software development using PECOS component model is proposed in this paper. The main features of this framework are: (1) use graphical representation for components definition and composition;(2) target C language for optimal code generation with resource-constrained micro-controller;and (3) minimal requirement for run-time support. Real-time implementation indicates that, the PECOS component model together with the proposed framework is suitable for resource constrained embedded AMR systems software development.

关键词： Mobile robots

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Fault-adaptive control for robust performance management of computing systems

Fault-adaptive control for robust performance management of ...

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4th International Conference on Autonomic Computing, ICAC'07

作者： Abdelwahed, Sherif Kandasamy, Nagarajan Institute for Software Integrated Systems Vanderbilt University Nashville TN United States Electrical and Computer Engineering Dept. Drexel University Philadelphia PA United States

This paper introduces a fault-adaptive control approach for the robust and reliable performance management of computing systems. Fault adaptation involves the detection and isolation of faults, and then taking appropr... 详细信息

ISBN: (纸本)0769527795

关键词： Fault tolerant computer systems

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Distributed context retrieval and consistency control in pervasive computing

Distributed context retrieval and consistency control in per...

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作者： Roussaki, Ioanna Strimpakou, Maria Pils, Carsten School of Electrical and Computer Engineering 9 Heroon Polytechneiou Str 157-73 Zographou Athens Greece Waterford Institute of Technology Telecommunications Software and Systems Group Waterford Ireland

The challenge of saturating all phases of pervasive service provision with context-aware functionality lies in coping with the complexity of maintaining, retrieving and distributing context information. To efficiently represent and query context information a sophisticated modelling scheme should exist. To distribute and synchronise context knowledge in various context repositories across a multitude of administrative domains, streamlined mechanisms are needed. This paper elaborates on an innovative context management framework that has been designed to cope with free-text and location based context retrieval and efficient context consistency control. The proposed framework has been incorporated in a multi-functional pervasive services platform, while most of the mechanisms it employs have been empirically evaluated. © Springer Science+Business Media, LLC 2007.

关键词： Information retrieval systems

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A compositional method for the synthesis of asynchronous communication mechanisms

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28th International Conference on Applications and Theory of Petri Nets and Other Models of Concurrency

作者： Gorgonio, Kyller Cortadella, Jordi Xia, Fei Embedded Systems and Pervasive Computing Laboratory Federal University of Campina Grande Brazil Department of Software Universitat Politécnica de Catalunya Spain School of Electrical Electronic and Computer Engineering University of Newcastle Upon Tyne United Kingdom

ISBN: (纸本)9783540730934

Asynchronous data communication mechanisms (ACMs) have been extensively studied as data connectors between independently timed concurrent processes. In previous work, an automatic ACM synthesis method based on the generation of the reachability graph and the theory of regions was proposed. In this paper, we propose a new synthesis method based on the composition of Petri net modules, avoiding the exploration of the reachability graph. The behavior of ACMs is formally defined and correctness properties are specified in CTL. Model checking is used to verify the correctness of the Petri net models. The algorithms to generate the Petri net models are presented. Finally, a method to automatically generate C++ source code from the Petri net model is described.

关键词： asynchronous communication mechanisms Petri nets concurrent systems synthesis model checking protocols

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On discrete event diagnosis methods for continuous systems

On discrete event diagnosis methods for continuous systems

引用

Mediterranean Conference on Control and Automation (MED)

作者： Matthew Daigle Xenofon Koutsoukos Gautam Biswas Institute for Software Integrated Systems Department of Electrical Engineering and Computer Science Vanderbilt University Nashville TN USA

Fault detection and isolation is a key component of any safety-critical system. Although diagnosis methods based on discrete event systems have been recognized as a promising framework, they cannot be easily applied to systems with complex continuous dynamics. This paper presents a novel approach for discrete event system diagnosis of continuous systems based on a qualitative abstraction of the measurement deviations from the nominal behavior. We systematically derive a diagnosis model, provide diagnosability analysis, and design a diagnoser. Our results show that the proposed approach is easily applicable and can be used for online diagnosis of abrupt faults in continuous systems.

关键词： Continuous time systems Circuit faults Fault diagnosis Discrete event systems Fault detection Computational efficiency Quantization State-space methods Nonlinear dynamical systems software safety

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Fault Diagnosis of Continuous systems Using Discrete-Event Methods

Fault Diagnosis of Continuous Systems Using Discrete-Event M...

引用

Proceedings of the 46th IEEE Conference on Decision and Control, Pages 5052-5510

作者： Matthew Daigle Xenofon Koutsoukos Gautam Biswas Institute for Software Integrated Systems Department of Electrical Engineering and Computer Science Vanderbilt University Nashville TN USA

ISBN: (纸本)9781424414970;1424414970

Fault diagnosis is crucial for ensuring the safe operation of complex engineering systems. Although discrete-event diagnosis methods are used extensively, they do not easily apply to parametric fault isolation in systems with complex continuous dynamics. This paper presents a novel discrete-event system diagnosis approach for abrupt parametric faults in continuous systems that is based on a qualitative abstraction of measurement deviations from the nominal behavior. Our approach systematically generates a diagnosis model from bond graphs that is used to analyze system diagnosability and derive the discrete-event diagnoser. The proposed approach is applied to an electrical power system diagnostic testbed.

关键词： continuous systems Fault diagnosis diagnostic model Safe handling bond graphs power systems Parametric fault fault isolation

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