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Group Method of Data Handling for Modeling Magnetorheological Dampers

Intelligent Control and Automation 2013年第1期4卷 70-79页

作者： Khaled Assaleh Tamer Shanableh Yasmin Abu Kheil Department of Computer Science and Engineering American University of Sharjah Sharjah United Arab Emirates Department of Electrical Engineering American University of Sharjah Sharjah United Arab Emirates Mechatronics Graduate Program American University of Sharjah Sharjah United Arab Emirates

This paper proposes the use of Group Method of Data Handling (GMDH) technique for modeling Magneto-Rheological (MR) dampers in the context of system identification. GMDH is a multilayer network of quadratic neurons that offers an effective solution to modeling non-linear systems. As such, we propose the use of GMDH to approximate the forward and inverse dynamic behaviors of MR dampers. We also introduce two enhanced GMDH-based solutions. Firstly, a two-tier architecture is proposed whereby an enhanced GMD model is generated by the aid of a feedback scheme. Secondly, stepwise regression is used as a feature selection method prior to GMDH modeling. The proposed enhancements to GMDH are found to offer improved prediction results in terms of reducing the root-mean-squared error by around 40%.

关键词： System Identification Magneto-Rheological Dampers Group Method of Data Handling Polynomial Classifier

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Development and Implementation of Wireless Multigas Concentration Cloud System

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International Scholarly Research Notices 2014年第1期2014卷

作者： Sheng-Chung Tien Robert Lin Tsung-Yu Lee Ren-Guey Lee Shu-Ying Huang Department of Graduate Institute of Computer and Communication Engineering National Taipei University of Technology Taipei 106 Taiwanntut.edu.tw Department of Electrical Engineering Lunghwa University of Science and Technology Taoyuan 333 Taiwanlhu.edu.tw

According to the report “Global Health Risks of 2004” issued by WHO (World Health Organization) in Geneva 2009 (WHO, 2012), the mortality rate of the diseases and cause of death which results from the smoke produced by burning solid fuel is ranked tenth, occupying 3.3% of the global amounts, and the DALYs (Disability Adjusted Life Years) is ranked the ninth, occupying 2.7% of the world. Once the pollution occurred in an insufficient ventilation location, the womankind and children will be the most directly affected; therefore, we hoped to focus the measurement environment on indoor surroundings in this paper. This paper proposes a pointing at several kinds of indoor pollutants and integrating multigas sensors, which includes carbon monoxide, carbon dioxide total volatile organic compounds, and so forth. Our paper combines gas sensors with WSN (Wireless Sensor Networks) nodes; we provide users with optional monitoring subjects for constructing and also adapt ZigBee and Wi-Fi modules to get united with uploading real-time sensor messages. Moreover, for the reason of decreasing installation cost of sensors and setting up easily, this paper builds a cloud data-viewing platform additionally, enabling users to observe air quality through the cloud server everywhere.

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VIEW INTERPOLATION SENSITIVE TO PIXEL POSITIONS

VIEW INTERPOLATION SENSITIVE TO PIXEL POSITIONS

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IEEE International Conference on Image Processing

作者： Keita TAKAHASHI Department of Electrical Engineering and Computer Science Graduate School of Engineering Nagoya University Furo-cho Chikusa Nagoya 464-8603 Japan

ISBN: (纸本)9781479923427

Theoretical analysis and an optimization scheme to solve the basic problem with view interpolation are presented. Two error factors, i.e., disparity error and pixel interpolation error, are considered. I found that the method of view interpolation should change according to which error factor is dominant. When disparity information is very accurate, the method of view interpolation should be especially sensitive to pixel positions, which has rarely been noticed in previous studies.

关键词： Stereo images view interpolation

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Enabling robots to make use of the structure of human actions - a user study employing Acoustic Packaging

Enabling robots to make use of the structure of human action...

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IEEE International Symposium on Robot and Human Interactive Communication

作者： Manja Lohse Britta Wrede Lars Schillingmann Faculty of Electrical Engineering Mathematics and Computer Science University of Twente Faculty of Technology Bielefeld University Graduate School of Engineering Osaka University

ISBN: (纸本)9781479905089

Human learning strongly depends on the ability to structure the actions of teachers in order to identify relevant parts. We propose that this is also true for learning in robots. Therefore, we apply a method for multimodal action segmentation called Acoustic Packaging to a corpus of pairs of users teaching object names to a robot. Going beyond previous use cases, we analyze how the structure of human actions changes if the robot is learning quickly or slowly. Our results reveal differences between action structuring in the conditions such as longer utterances and more motion when the robot learns slowly. We also evaluate how the partners in the pair influence each other's action structuring. The results show a strong correlation between the participants in the pairs, even more so in the trials where the robot is learning slowly. We conclude that the action structuring based on Acoustic Packaging allows robots to differentiate how well the interaction with multiple users is going and is, thus, a vehicle for feedback generation.

关键词： Robot Packaging encapsulating Action Acoustics Use Studies Pairing Human Consumers Teachers

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Corrigendum: Computational dosimetry for grounded and ungrounded human models due to contact current (2013 Phys. Med. Biol. 58 5153–72)

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Physics in Medicine & Biology 2014年第14期59卷

作者： Kwok Hung Chan Junya Hattori Ilkka Laakso Akimasa Hirata Masao Taki Department of Computer Science and Engineering Nagoya Institute of Technology Nagoya Aichi 466-8555 Japan Department of Electronic Engineering City University of Hong Kong Kowloon Hong Kong Department of Electrical and Electronic Engineering Graduate School of Engineering Tokyo Metropolitan University Tokyo Japan

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Fast electrical Control of Single Electron Spins in Quantum Dots with Vanishing Influence from Nuclear Spins

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Physical Review Letters 2014年第26期113卷 267601-267601页

作者： J. Yoneda T. Otsuka T. Nakajima T. Takakura T. Obata M. Pioro-Ladrière H. Lu C. J. Palmstrøm A. C. Gossard S. Tarucha Department of Applied Physics University of Tokyo 7-3-1 Hongo Bunkyo-ku Tokyo 113-8656 Japan RIKEN Center for Emergent Matter Science Hirosawa 2-1 Wako-shi Saitama 351-0198 Japan Département de Physique Université de Sherbrooke Sherbrooke Québec J1K 2R1 Canada CIFAR Program in Quantum Information Science Canadian Institute for Advanced Research (CIFAR) Toronto Ontario M5G 1Z8 Canada Materials Department University of California Santa Barbara California 93106 USA Electrical and Computer Engineering University of California Santa Barbara California 93106 USA

We demonstrate fast universal electrical spin manipulation with inhomogeneous magnetic fields. With fast Rabi frequency up to 127 MHz, we leave the conventional regime of strong nuclear-spin influence and observe a spin-flip fidelity >96%, a distinct chevron Rabi pattern in the spectral-time domain, and a spin resonance linewidth limited by the Rabi frequency, not by the dephasing rate. In addition, we establish fast z rotations up to 54 MHz by directly controlling the spin phase. Our findings will significantly facilitate tomography and error correction with electron spins in quantum dots.

关键词： ELECTRON spin NUCLEAR spin NUCLEAR magnetic resonance MAGNETIC fields QUANTUM dots

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Simplifying complexity: Modeling the process of collaboration between artists and scientists 13

Simplifying complexity: Modeling the process of collaboratio...

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31st ACM International Conference on Design of Communication, SIGDOC 2013

作者： McDougall, Zoe Fels, Sidney Lopes, Dominic O'Brien, Heather L. Interdisciplinary Studies Graduate Program University of British Columbia Vancouver BC Canada Department of Electrical and Computer Engineering University of British Columbia Vancouver BC Canada Department of Philosophy University of British Columbia Vancouver BC Canada The iSchool University of British Columbia Vancouver BC Canada

ISBN: (纸本)9781450321310

This paper presents a modal model to describe and facilitate communication design in collaborative settings. This model was conceived of as a tool for understanding the nature of collaboration between artists and scientists in an interdisciplinary case study, but can be used cross-disciplinarily and ultimately prescriptively. The model may reveal shifting patterns of interaction between collaborators over time and through multiple processes. Patterns may be revealed in setting and attaining benchmark goals as well as in general group communication. Different collaborative modes (ontological relationships between collaborators) and modes of being (phenomenological relationship between collaborators) form the basis for sixty collaborative possibilities with two or more collaborators. © 2013 ACM.

关键词： communication collaboration models charles s. peirce

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Models of Transit Systems for Optimization of the Grounded Vehicles Fleet

Models of Transit Systems for Optimization of the Grounded V...

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International Conference on computer Modeling and Simulation, UKSIM

作者： José Artur Lima Cabral Marques Fábio Nogueira da Silva João Viana da Fonseca Neto UNDB Sao Luis Maranhao Brazil DEE-Post Graduate Program in Electrical Engineering and Computer Science-PPGEE Universidade Federal do Maranhão Sao Luis Maranhao Brazil

In order to operate a public transportation system, it is necessary to plan the grounded fleet lines among the various origin/destination spread all over the city to better attend population displacement during the day, which uses the bus transportation system. To improve planning operation of the public transportation system, it is proposed a linear programming model to optimize the overall performance of transit systems, by setting the optimum buses fleet for every bus line of each company constrained to an accepted delay between any two bus stop on the bus circuit but with a minimum profit for the companies. As the routes are different for time to time during the day such as rush hour. The proposed model can cope with all the kinds of patterns during the day and the propose is to optimise the whole transportation system. It is discussed also the complexity of the nature of the dynamic of the transportation system. The mathematical modelling can show us correctly a way to qualify and quantify the routes, what helps to understand the dynamic behavior of the population through time, different situations and epochs. Simulations present the viability of implantation for real time system to estimate the transportation system as it changes.

关键词： Optimization Sociology Statistics Linear programming Vehicles Adaptation models

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Constant false alarm rate anomaly-based approach for network intrusion detection

Constant false alarm rate anomaly-based approach for network...

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10th International Conference on High Capacity Optical Networks and Emerging/Enabling Technologies, HONET-CNS 2013

作者： Alshaalan, Rayan Assadhan, Basil Al-Muhtadi, Jalal Bin-Abbas, Hesham El-Samie, Fathi Abd Alshebeili, Saleh Deptartment of Electrical Engineering King Saud University Riyadh Saudi Arabia Deptarpment of Computer Science King Saud University Riyadh Saudi Arabia National Technology Innovation Centers Program Riyadh Saudi Arabia King Saud University Riyadh Saudi Arabia

ISBN: (纸本)9781479925698

With the rapid growth of communication technologies, the widespread use of the Internet, and the recent introduction of e-services, the number of computer network security threats is dramatically increasing. This paper presents an efficient method for anomaly detection in network traffic. In this method, network traffic is decomposed into control and data planes. As the data traffic generation is based on control traffic, the behavior of the two planes is expected to be similar during normal behavior. Therefore, detecting dissimilarity (via cross-correlation) between the traffic of the two planes can indicate an abnormal behavior. Constant and adaptive thresholding techniques have been developed in this paper for the design of a false alarm rate intrusion detection processors. Simulation experiments have been carried out on a real traffic obtained at King Saud University at the end of 2012. © 2013 IEEE.

关键词： Intrusion detection

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High-performance flexible nanoelectronics: 2D atomic channel materials for low-power digital and high-frequency analog devices

High-performance flexible nanoelectronics: 2D atomic channel...

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International Electron Devices Meeting (IEDM)

作者： Jongho Lee Hsiao-Yu Chang Tae-Jun Ha Huifeng Li Rodney S. Ruoff Ananth Dodabalapur Deji Akinwande Electrical and Computer Engineering The University of Texas Austin Texas USA Mechanical Engineering and the Materials Science and Engineering Program The University of Texas Austin Texas USA

In this work, we report the state-of-the-art flexible devices based on graphene for radio-frequency transistors and large bandgap MoS 2 for low-power digital transistors for flexible nanoelectronics. Our studies on graphene transistors feature record mobility, transit frequency, and tensile strain and the first demonstration of flexible capping layers. Our studies on MoS 2 transistors yield the first comprehensive insights into the coupled electrical and mechanical properties including buckling which degrades the gate control, and the thickness dependence of electrical properties.

关键词： Field effect transistors Graphene Logic gates Dielectrics Radio frequency Substrates

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