In this paper, we use classical Nyquist arguments to derive stability results for large-scale interconnections of "mixed" linear, time-invariant (LTI) systems. We compare our results with P. J. Moylan and D....
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ISBN:
(纸本)9781457710957
In this paper, we use classical Nyquist arguments to derive stability results for large-scale interconnections of "mixed" linear, time-invariant (LTI) systems. We compare our results with P. J. Moylan and D. J. Hill, Stability criteria for large-scale systems, IEEE Transactions on Automatic Control, vol. 23, no. 2, 1978, pp. 143-149. Our results suggest that, if one relaxes the assumptions on the subsystems in an interconnection from assumptions of passivity or small gain to assumptions of "mixedness," then the Moylan- and Hill-like conditions on the interconnection matrix become more stringent. We also explore the stability of large-scale, time-varying interconnections of strictly positive real systems. We determine a condition that guarantees the existence of a Lyapunov function for the interconnected system.
Seismic oceanography is based on the passage of a regularly repeating acoustic impulsive source and an acquisition streamer along the surface of the ocean, and on summing together all signals reflected from temperatur...
Head pose estimation from images has recently attracted much attention in computer vision due to its diverse applications in face recognition, driver monitoring and human computer interaction. Most successful approach...
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We present a data-driven method for completion of corrupted marker-based motion capture data. Our novel approach is especially suitable for challenging cases, e.g. if complete marker sets of multiple body parts are mi...
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John MaedaSteven HellerTim HooverHas been a design partner at Kleiner Perkins Caufield & Byers since January 2014
helping entrepreneurs and portfolio companies to build design into their company cultures. He served as the president of Rhode Island School of Design for six years through 2013 and also served as an associate director of research at the MIT Media Lab. Maeda has been a practicing designer since 1990 and his work is in the permanent collections of the Museum of Modern Art San Francisco Museum of Modern Art and the Cartier Foundation. He serves on the boards of several corporations including Sonos and Wieden + Kennedy and is chair of eBay's Design Advisory Board. His four published books include The Laws of Simplicity and Redesigning Leadership. Maeda is the recipient of a variety of international awards for his creative work including induction into the Art Director's Club Hall of Fame. In 2001 he received the White House National Design Award in 2002
he received the Mainichi Design Prize in Japan and in 2005
he was awarded the Raymond Loewy Foundation Prize in Germany. Maeda earned a BS and an MS from MIT in computer science and electrical engineering. He received a PhD in design science from the University of Tsukuba Institute of Art and Design in Japan as well as an MBA from Arizona State University. Co‐chair and co‐founder of the MFA Designer as Author and Entrepreneur program at the School of Visual Arts
in New York. He was the art director of The New York Times Book Review and now writes the VISUALS column for the NYTBR. He also writes “The Daily Heller” at *** a weekly online design column for Atlantic magazine. He is author co‐author and editor of more than 165 books on the history and practice of graphic design illustration and satiric art. His forthcoming books include 100 Classic Graphic Design Magazines (Laurence King Publishers) and Raw Data: The Process Behind Information Graphics (Thames + Hudson). Heller was the 2011 recipient of the Smithsonian National Design Award for Design Mind. He has also writ
John Maeda is a past president of Rhode Island School of Design and an internationally known designer. He's now involved in helping entrepreneurs build design into their company cultures. Writer and educator Steve...
John Maeda is a past president of Rhode Island School of Design and an internationally known designer. He's now involved in helping entrepreneurs build design into their company cultures. Writer and educator Steven Heller pairs up with Tim Hoover, head of product and design at Canary, to talk about designer CEOs, start‐ups, and cutting out the middleman.
In today's design of embedded systems the software part is increasingly important. Over the last years we have observed a shift from hardware to software added value. With the rise of multi- and many-core platform...
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Curvilinear structures are useful features, particularly in medical image analysis. Typically, a pixel-wise comparison with manually specified ground truth is used for performance evaluation. In this paper we propose ...
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We propose a supervised fingerprint recognition technique in this paper. Our approach performs a minutiae matching process. A minutiae based fingerprint feature extraction is performed first. Then, a supervised classi...
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We propose a supervised fingerprint recognition technique in this paper. Our approach performs a minutiae matching process. A minutiae based fingerprint feature extraction is performed first. Then, a supervised classification procedure is applied on the resulted fingerprint feature vectors. We create an appropriate metric for these feature vectors, to be used in the classification process. This special metric represents the main contribution of this work. Other contributions are: the proposed feature vector model, the minimum mean distance based classifier and the threshold based verification approach.
This paper proposes a new decision-level fusion model for fault diagnosis. The new approach consists of four stages. First, decompose raw vibration sample signals into intrinsic mode functions using empirical mode dec...
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This paper proposes a new decision-level fusion model for fault diagnosis. The new approach consists of four stages. First, decompose raw vibration sample signals into intrinsic mode functions using empirical mode decomposition. Second, select the same number of intrinsic mode functions to extract their fractal feature parameters. Third, individual classifier is used to condition recognition by using the information from different sensor sources. Finally, the new decision-level fusion method proposed in this paper is used to make final decision for fault diagnosis. The proposed approach is evaluated by an experiment of fault diagnosis. Experiment results show that the new decision-level fusion fault diagnosis method can obtain excellent diagnosis performance, and it can get higher accuracy than single classifiers.
This paper presents the findings of a user study investigating conversational patterns across three conditions of table-based interaction (direct touch interactive table, pantograph interactive table and non-digital t...
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ISBN:
(纸本)9781450302289
This paper presents the findings of a user study investigating conversational patterns across three conditions of table-based interaction (direct touch interactive table, pantograph interactive table and non-digital table) for different types of educational activities. Findings demonstrate that communication style is significantly affected by interaction techniques. The direct touch technique stimulated conversations based around the topic and pedagogical method. The pantograph technique promoted playfulness and had a higher number of directive utterances between participants, with fewer task-based, group-oriented utterances. The non-digital table promoted reflective forms of task-orientated utterance, encouraged group communication and fostered more equitable participation between members. The findings provide insights into the design of interactive tables to support particular forms of social interaction. Copyright 2011 ACM.
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