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作者： Rouf, Nirjhor Tahmidur Deep, Ashfaqul Haq Hassan, Rusafa Binte Khan, Sabbir Ahmed Hasan, Mahmudul Mominuzzaman, Sharif Mohammad Control and Applications Research Centre BRAC University Dhaka1212 Bangladesh Department of Electrical and Electronic Engineering BRAC University Dhaka1212 Bangladesh BRACU Robotics Research Lab School of Engineering and Computer Science BRAC University Dhaka1212 Bangladesh Department of Electrical and Electronic Engineering Bangladesh University of Engineering and Technology Dhaka1000 Bangladesh

As a result of this reported research, a simulation model to analyse the behaviour of carbon nanotube field effect transistors (CNTFETs) under non-ballistic conditions is explained and the effect of gate dielectric on the performance of CNTFETs has been explored in detail. For the first time, a thorough study of the combined non-ballistic effect on the performance of CNTFETs has been conducted and the output of the device has been analysed. It has been observed that a gate material with a high dielectric constant leads to higher on-state current and higher on and off state current ratio. In addition, the transconductance, total capacitance, charging energy, subthreshold swing (S), drain-induced barrier lowering (DIBL) and gain with respect to the dielectric constant have been observed and analysed. Transconductance and total capacitance increases by a significant amount, while charging energy and S decrease as the dielectric value increases. The DIBL and gain vary slightly as a higher value dielectric material is used as a gate. Furthermore, the results of this study have been plotted against previously reported ballistic outputs to provide a better perception of the deviation from ideal behaviour. At the same time, the outcomes of this analysis have been compared against some reported experimental values. © The Institution of engineering and Technology 2014.

关键词： Ballistics

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Scenography of immersive virtual musical instruments

Scenography of immersive virtual musical instruments

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IEEE VR Workshop: Sonic Interaction in Virtual Environments (SIVE)

作者： Florent Berthaut Victor Zappi Dario Mazzanti Department of Computer Science University of Bristol School of Engineering and Computer Science Queen Mary University of London Department of Advanced Robotics Istituto taliano di Tecnologia

Immersive Virtual Musical Instruments (IVMIs) can be considered as the meeting between Music Technology and Virtual Reality. Being both musical instruments and elements of Virtual Environments, IVMIs require a transversal approach from their designers, in particular when the final aim is to play them in front of an audience, as part of a scenography. In this paper, we combine the main constraints of musical performances and Virtual Reality applications into a set of dimensions, meant to extensively describe IVMIs stage setups. A number of existing stage setups are then classified using these dimensions, explaining how they were used to showcase live virtual performances and discussing their scenographic level.

关键词： Instruments Three-dimensional displays Aerospace electronics Stereo image processing Virtual reality Visualization Electronic mail

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Opening remarks

2016 International Conference on Advances in Human Machine I...

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2016 International Conference on Advances in Human Machine Interaction, HMI 2016 2016年

作者： Nagaraja, Ch. Swamy, J. Nagendra Rajendra, J. Khan, M.S. Vishwanath Reddy, D.S. Manjunath, N. Dillmann, Ruediger Tarn, Tzyh Jong Zhao, Qianchuan Ammi, Mehdi Zuberek, Wlodek M. Sandhu, P.S. Patthira Newman, K. De Silva Liyanage, Chandratilak Hassan, Sohair Aly Aly Sun, Kien Wen Rahman, Md. Moshiur Ordoño, E. Evangelista Sharma, R.K. Mishra, Preeti Chandel, B.S. Singla, Ekta Petric, Tadej Zhong, Yu Jiglar, Janson Alemzadeh, Kazem Asokan, T. Tripathi, Animesh Tripathi, Manoj Ram, Swaminath Shrma, M.K. Panday, P.N. Kumar, Devendra Hinchey, Mike Stilman, Boris Suraj, Zbigniew Pal, Sankar K. Sasi, Sreela Rajan, Deepu Marshall, Roger G. Abraham, Ajith Peter S, David Paul, Vargheese Gopakumar, V. Dustdar, Schahram Soto, Sebastián Ventura Rausch, Andreas Angelis, Lefteris Nelson, Andrew L. Botzheim, Janos Bernardino, Heder Soares Zboril, Frantisek Ane, Bernadetta Kwintiana Maeda, Toshiyuki Sakalauskas, Virgilijus Hann, Garenth Lim King Samek, Jan Romero Salguero, José Raúl Varghese, Kuruvilla Kriksciuniene, Dalia Mathew, Jimson Reif, Wolfgang Mauri, Giancarlo Cabrerizo Lorite, Francisco Javier Özcan, Ender Cho, Sung-Bae Paily, Roy P. Rezankova, Hana Tudjarov, Boris Hong, Wei-Chiang De Oliveira, José Valente Flores Romero, Juan Jose Oskouei, Rozita Jamili Cicchetti, Antonio Roy, Chanchal Segura, Sergio Samuel, C. Mallet, Frédéric Mernik, Marjan Punnekkat, Sasikumar Waseemulla, A. Sri Devaraj Urs Educational Trust Bangalore India R. L. Jalappa Institute of Technology Doddaballapur Bangalore India Humanoids and Intelligence Systems Lab Kalsruhe Germany Electrical and Systems Engineering Washington University in St. Louis United States Deputy Director of Center for Intelligent and Networked Systems Department of Automation Tsinghua University Beijing China Department of Computer Science CNRS/LIMSI Lab AMI Group France Memorial University St. John'sNL Canada RBIT and Bio-Technology India LR University Thailand University of Colorado at Boulder Boulder United States Faculty of Science University of Brunei Brunei University of Kuala Lumpur Malaysia National Chiao Tung University Taiwan EPR Centre Bangladesh Mapua Institute of Technology Philippines ARO CWC Lucknow India Mpec Kanpur India DSC DBS Kanpu India Indian Institute of Technology Ropar India Jozaf Stefan Institute Department of Automation Biocyernetics and Robotics Ljubljana Slovenia Robotics Institute Carnegie Mellon University Pittsburgh United States Faculty of Engineering University of Bristol United Kingdom Department of Engineering Design Indian Institute of Technology Madras India Lucknow Uni Lucknow India CSJM Uni Kanpur India UPPCB Lucknow India PCB Roorkee India Awadh Uni Faijabad India Agra Uni Agra India Lero University of Limerick Ireland University of Colorado Denver United States University of Rzeszow Poland Indian Statistical Institute Kolkata India Gannon University PA United States Nanyang Technical University Singapore Singapore Plymouth State University NH United States MIR Labs United States Cochin University of Science and Technology India State Project Facilitation Unit TEQIP Kerala India Technical University of Vienna Austria University of Cordoba Spain Clausthal University of Technology Germany Aristotle University of Thessaloniki Greece Androtics LLC TucsonAZ United States Tokyo Metropolitan University Japan Federal Unive

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Interactive cell segmentation based on correction propagation

Interactive cell segmentation based on correction propagatio...

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IEEE International Symposium on Biomedical Imaging

作者： Hang Su Zhaozheng Yin Takeo Kanade Seungil Huh Robotics Institute Carnegie Mellon University Department of Electronic Engineering Shanghai Jiaotong University Department of Computer Science Missouri University of Science and Technology

Automatic cell segmentation can hardly be flawless due to the complexity of image data particularly when time-lapse experiments last for a long time without biomarkers. To address this issue, we propose an interactive cell segmentation method that actively selects uncertain regions and requests human validation on them. Once erroneous segmentation is detected and subsequently corrected, the information is propagated over affinity graphs in order to fix analogous errors. We present a systematical method for correction propagation based on active and semi-supervised learning. Experimental results performed on three types of cell populations validate that our interactive cell segmentation quickly reaches high quality results with minimal human interventions, and thus is significantly more efficient than alternative methods.

关键词： Image segmentation Microscopy Atomic measurements Vectors Entropy Educational institutions Laplace equations

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Learning discriminative localization from weakly labeled data

Learning discriminative localization from weakly labeled dat...

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作者： Hoai, Minh Torresani, Lorenzo De La Torre, Fernando Rother, Carsten Robotics Institute Carnegie Mellon University Pittsburgh PA 15213 United States Department of Computer Science Dartmouth College Hanover NH 03755 United States TU Dresden Germany Department of Engineering Science University of Oxford Parks Road Oxford OX1 3PJ United Kingdom

Visual categorization problems, such as object classification or action recognition, are increasingly often approached using a detection strategy: a classifier function is first applied to candidate subwindows of the image or the video, and then the maximum classifier score is used for class decision. Traditionally, the subwindow classifiers are trained on a large collection of examples manually annotated with masks or bounding boxes. The reliance on time-consuming human labeling effectively limits the application of these methods to problems involving very few categories. Furthermore, the human selection of the masks introduces arbitrary biases (e.g., in terms of window size and location) which may be suboptimal for classification. We propose a novel method for learning a discriminative subwindow classifier from examples annotated with binary labels indicating the presence of an object or action of interest, but not its location. During training, our approach simultaneously localizes the instances of the positive class and learns a subwindow SVM to recognize them. We extend our method to classification of time series by presenting an algorithm that localizes the most discriminative set of temporal segments in the signal. We evaluate our approach on several datasets for object and action recognition and show that it achieves results similar and in many cases superior to those obtained with full supervision. © 2013 Elsevier Ltd. All rights reserved.

关键词： Object detection

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Top challenges in the visualization of engineering tensor fields 4th

Top challenges in the visualization of engineering tensor fi...

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4th Meeting on Visualization and Processing of Tensors and Higher Order Descriptors for Multi-Valued Data, 2011

作者： Hlawitschka, Mario Hotz, Ingrid Kratz, Andrea Marai, G. Elisabeta Moreno, Rodrigo Scheuermann, Gerik Stommel, Markus Wiebel, Alexander Zhang, Eugene Department of Computer Science Leipzig University Leipzig Germany German Aerospace Center Braunschweig Germany Zuse Institute Berlin Berlin Germany Robotics Institute Carnegie Mellon University PittsburghPA15260 United States Linköping University Campus US Linköping58185 Sweden Saarland University Saarbruecken Germany Department of Electrical Engineering and Computer Sciences Coburg University of Applied Sciences Coburg Germany School of Electrical Engineering and Computer Science Oregon State University CorvallisOR97330 United States

ISBN: (纸本)9783642543005

In this chapter we summarize the top research challenges in creating successful visualization tools for tensor fields in engineering. The analysis is based on our collective experiences and on discussions with both domain experts and visualization practitioners. We find that creating visualization tools for engineering tensors often involves solving multiple different technical problems at the same time—including visual intuitiveness, scalability, interactivity, providing both detail and context, integration with modeling and simulation, representing uncertainty and managing multi-fields;as well as overcoming terminology barriers and advancing research in the mathematical aspects of tensor field processing. We further note the need for tools and data repositories to encourage faster advances in the field. Our interest in creating and proposing this list is to initiate a discussion about important research issues within the visualization of engineering tensor fields. © Springer-Verlag Berlin Heidelberg 2014.

关键词： Visualization

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An Autonomic System for Intelligent Truck Parking

An Autonomic System for Intelligent Truck Parking

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International Conference on Informatics in Control, Automation and robotics

作者： Jose F. Garcia Vicente R. Tomas Luis A. Garcia Juan J. Martinez Institute of robotics and information and communication technologies (IRTIC) University of Valencia Engineering and Computer Science Department University Jaume I

ISBN: (纸本)9781479979202

Traffic and road transport conditions are strongly influenced by the decisions of drivers. The more information they receive, the better decisions may be taken about their behavior. This is especially important in the transport of goods, since drivers are subject to traffic laws about maximum driving time and minimum time rest. In this paper a multi-agent system for negotiated management of parking spaces in road rest areas is presented. This system dynamically adapts itself to the preferences and needs of the drivers of goods about parking requests. The system is shown to be robust to incidents regarding the closure of road rest areas and an increased volume of freight traffic. The results also show that the number of illegal parkings is reduced resulting in greater road safety.

关键词： Autonomic Systems Multi-agent Systems Intelligent Truck Parking Negotiation Systems

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Application of contract-based verification techniques for hybrid automata to surgical robotic systems

Application of contract-based verification techniques for hy...

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European Control Conference (ECC)

作者： Luzie Schreiter Davide Bresolin Marta Capiluppi Joerg Raczkowsky Paolo Fiorini Heinz Woern Institute of Process Control and Robotics Karlsruhe Institute of Technology Karlsruhe Germany Department of Computer Science and Engineering University of Bologna Bologna Italy Department of Computer Science University of Verona Verona Italy

ISBN: (纸本)9781479947287

Surgical robotic systems have to deliver a high quality of safety, since they deal with human lives. Their safety specifications must ensure the absence of risks for the patient and the operating room staff. To respect the modular nature of a surgical system, we propose a contract based verification approach for safety. We introduce a case study based on a typical surgical robotic operation scenario and model its components by using hybrid automata. We exploit the theory of parallel composition of contracts to verify properties on each component and prove that the property of the overall system can be obtained by composition.

关键词： Contracts Automata Safety Robot kinematics Manipulators Target tracking

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Implementation of fuzzy color extractor on NI myRIO embedded device

Implementation of fuzzy color extractor on NI myRIO embedded...

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International Conference on Multisensor Fusion and Integration for Intelligent Systems (MFI)

作者： David Oswald Wei Li Linwei Niu Jin Zhang Yan Li Jiangchen Yu Fuchun Sun Department of Computer & Electrical Engineering and Computer Science California State University Bakersfield CA USA Department of Computer & Electrical Engineering and Computer Science California State University Bakersfield Liaoning USA Department of Mathematics & Computer Science West Virginia State University USA Robotics State Key Laboratory Chinese Academy of Sciences Shenyang Liaoning China Robotics State Key Laboratory Chinese Academy of Sciences Shenyang China Department of Computer Science and Technology Tsinghua University Beijing China

A fuzzy color extractor is defined by fuzzy rules to extract certain colors based on a color pattern (color seed). In order to extract certain colors from images in real-time, this paper attempts to implement a fuzzy color extractor on NI myRIO embedded device, which features the Xilinx Zynq-7010 all-programmable system including a dual-core ARM® Cortex™-A9 real-time processor and an Artix-7 FPGA with customizable I/O. To implement the fuzzy color extractor on NI myRIO, the fuzzy logic module, real-time module, and FPGA module of Lab VIEW 2013 are required. LabVIEW is a system-design platform and development environment for a visual programming language. First, we define the fuzzy membership functions and fuzzy rules for the fuzzy color extractor using the Fuzzy Logic module. Second, we implement the fuzzy color extractor using Real-Time module. Finally, we implement the fuzzy color extractor a DaNI robot to test the color extraction performance under varying illumination conditions.

关键词： Image color analysis Nickel Robots Cameras Feature extraction Fuzzy logic Real-time systems

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Design and implementation of a range-based formation controller for marine robots 1

Design and implementation of a range-based formation control...

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ROBOT 2013: 1st Iberian robotics Conference

作者： Soares, Jorge M. Aguiar, A. Pedro Pascoal, António M. Martinoli, Alcherio Laboratory of Robotics and Systems in Engineering and Science Instituto Superior Técnico Technical University of Lisbon Av. Rovisco Pais Lisboa1049-001 Portugal Department of Electrical and Computer Engineering University of Porto Rua Dr. Roberto Frias Porto4200-465 Portugal LausanneCH-1015 Switzerland

ISBN: (纸本)9783319034126

There is considerable worldwide interest in the use of groups of autonomous marine vehicles to carry our challenging mission scenarios, of which marine habitat mapping of complex, non-structured environments is a representative example. Relative positioning and formation control becomes mandatory in many of the missions envisioned, which require the concerted operation of multiple marine vehicles carrying distinct, yet complementary sensor suites. However, the constraints placed by the underwater medium make it hard to both communicate and localise the vehicles, even in relation to each other, let alone maintain them in a formation. As a contribution to overcoming some of these problems, this paper deals with the problem of keeping an autonomous marine vehicle in a moving triangular formation with respect to two leader vehicles. Simple feedback laws are derived to drive a controlled vehicle to its intended position in the formation using acoustic ranges obtained to the leading vehicles with no knowledge of the formation path. The paper discusses the implementation of this solution in the MEDUSA class of autonomous marine vehicles operated by IST and describes the results of trials with these vehicles exchanging information and ranges over an acoustic network. © Springer International Publishing Switzerland 2014.

关键词： Machine design

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