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IEEE Annual Conference on Decision and control

作者： Pedro Mercader Joaquin Carrasco Alfonso Banos Dpt. Informatica y Sistemas University of Murcia 30071 Murcia Spain Control Systems Centre School of Electrical and Electronic Engineering The University of Manchester Sackville Street Building Manchester M13 9PL UK

ISBN: (纸本)9781467357159

This work studies input-output stability of time-delay reset control systems, with first order reset elements (FORE). The results are derived by using integral quadratic constraint (IQC) framework. A new delay-dependent stability criterion is formulated in the form of a linear matrix inequalities (LMI) condition, using Kalman-Yakubovich-Popov (KYP) lemma. A numerical example is given, which illustrates the effectiveness of the new criterion.

关键词： input-output stability reset control Stability criteria output stability

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Implementing optimal hydrogen networks management

Implementing optimal hydrogen networks management

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8th International Symposium on Advanced control of Chemical Processes, ADCHEM 2012

作者： De Prada, C. Gutierrez, G. Sarabia, D. Gómez, E. Méndez, C.A. Sola, J.M. González, R. Dpt. of Systems Engineering and Automatic Control Faculty of Sciences University of Valladolid Real de Burgos 47011 Spain INTEC UNL- CONICET Güemes 3450-3000 Santa Fe Argentina Repsol - YPF Edificio Muñatones c/ San Martín 5 48550 Muskiz Vizcaya Spain

ISBN: (纸本)9783902823052

This paper describes an approach to optimal management of hydrogen networks in refineries, focusing on the problems of reconfiguration that appears when, due to plant failures, the production of the hydrogen generating units suddenly decreases. The problem is formulated in terms of optimization as a MINLP one. Also, guidelines to the implementation of the optimum are presented with the aim of providing a practical solution to the inherent uncertainly and changing dynamics associated to the process. © 2012 IFAC.

关键词： Optimization

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Implementing optimal hydrogen networks management

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IFAC Proceedings Volumes 2012年第15期45卷 114-119页

作者： C. de Prada G. Gutierrez D. Sarabia E. Gómez C.A. Méndez J.M. Sola R. González Dpt. of Systems Engineering and Automatic Control Faculty of Sciences University of Valladolid c/ Real de Burgos 47011 Spain INTEC (UNL- CONICET) Güemes 3450-3000 Santa Fe Argentina (Repsol – YPF) Edificio Muñatones c/ San Martín 5 48550 Muskiz Vizcaya Spain

关键词： Hydrogen distribution networks RTO MINLP optimization process control data reconciliation

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Two applications of sliding mode control in energy generation and power electronics

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Lecture Notes in control and Information Sciences 2011年 412卷 439-463页

作者： Biel, D. Dòria-Cerezo, A. Fossas, E. Muñoz-Aguilar, R.S. Ramos-Lara, R. Dpt. of Electronics Spain IOC and Dpt. of Electrical Engineering Spain IOC and Dpt. of Automatic Control Spain

ISBN: (纸本)9783642221637

Introduction: Power electronics is concerned with electromechanical systems that carry power. In a wide sense, power electronics includes the analysis, synthesis and implementation of electrical motors and generators, as well as power converters. Several controllers designed in the framework of Sliding Mode can be found in specialized literature;in particular it is worth to quote the book of V.I. Utkin, J. Guldner and J. Shi [8] where several motors, generators and power converters were studied in the SMC domain. The authors took benefit of these systems to explain the advantages of SM as a robust control methodology and to show most of its applications in dynamical systems: as estimators, observers, This chapter is also devoted to electrical generators and power converters stressing implementation issues. We want to emphasize implementation procedures based on theory in front of the trial and error, a tuning method widely used even at universities. On the other way around, we are also interested in theoretical problems appeared when implementing algorithms. © 2011 Springer-Verlag Berlin Heidelberg.

关键词： Power converters

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Proceedings of the Frontiers of Retrovirology Conference 2016

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Retrovirology 2016年第1期13卷 1-40页

作者： Irena Zurnic Sylvia Hütter Nicole Stanke Tobias Kern Fabian Lindel Gesche Gerresheim Martin Hamann Erik Müllers Dirk Lindemann Ute Lehmann Juliane Reh Paul Lesbats Peter Cherepanov Melanie Mann Erik Serrao Alan Engelman Claire Da Silva Santos Kevin Tartour Andrea Cimarelli Rya Burdick Jianbo Chen Jaya Sastri Wei-Shau Hu Vinay Pathak Oliver T. Keppler Patrícia de Sousa-Pereira Hanna-Mari Baldauf Marcel Stern Karine Pradeau Sylvia Eiler Nicolas Levy Marc Ruff Sarah Lennon Sarah Cianferani Stéphane Emiliani Vincent Parissi Sylvie Rato Miguel Munoz Angela Ciuffi Antonio Rausell Amalio Telenti Alexander Zhyvoloup Ian Anderson Chen- Hsuin Lee Ariberto Fassati Anat Melamed Delphine Planas Petronela Ancuta Yuwei Zhang Huicheng Chen Annie Bernier Annie Gosselin Janos Kriston-Vizi Robin Ketteler Andy Merritt Charles Bangham Jocelyn Turpin Anthony Rodari Benoit Van Driessche Mathilde Galais Nadége Delacourt Sylvain Fauquenoy Caroline Vanhulle Anna Kula Carine Van Lint Ernst J. Wolvetang Arsène Burny Olivier Rohr Thijs van Montfort Renee van der Sluis Ben Berkhout Dave Speijer Gang Wang Na Zhao Atze T. Das Mirte Scherpenisse Bo Meng Andrzej Rutkowski Lars Dölken Andrew Lever Neil Berry Claire Ham Neil Almond Hoi Ping Mok Nicholas Norton Axel Fun Jack Hirst Mark Wills Chris Hellmund Harriet Groom Thomas Schuster Benedikt Asbach Ralf Wagner Christine Gross Martina Kalmer Andrea K. Thoma-Kress Norbert Donhauser Sebastian Millen Sandra M. Müller-Schmucker Veit Wiesmann Thomas Wittenberg Jan Gettemans Minghua Li Shan-Lu Liu Eric O. Freed Janis Müller Jan Münch Simone Joas Clement Wesley Gnanadurai Edina Lump Christina M. Stürzel Daniel Sauter Frank Kirchhoff Katharina Mack Kathrin Starz Christina Stürzel Xaver Sewald Nasim Motamedi Pradeep Uchil Ruoxi Pi Christin Herrmann Walther Mothes Mark Ladinsky Pamela Bjorkman Jagadish Beloor Priti Kumar Thomas Murooka Thorsten Mempel Michael Brehm Dale Greiner Erica Parrish Nicholas F. Parrish Beatrice H. Hahn Frederic Bibollet-Ruche Ulrike Sauermann Katharina Töpfer Tina Schultheiss Chris Molecular Virology and Gene Therapy Molecular Medicine Leuven Belgium Molecular Virology Technical University Dresden Dresden Germany Center for Regenerative Therapies Dresden Dresden Germany Potsdam University Potsdam Germany The Francis Crick Institute London Great Britain Institute of Clinical and Molecular Virology Friedrich-Alexander-Universität Erlangen-Nuremberg Erlangen Germany Dana Farber Cancer Institute Boston MA United States CIRI Lyon France National Cancer Institute Frederick MD United States Virology Max von Pettenkofer-Institut LMU Munich Munich Germany Institute of Medical Virology University of Frankfurt Frankfurt a. M. Germany German Center for Infection Research Munich Germany Institute of Medical Virology University Hospital Frankfurt Frankfurt a. M. Germany CIBIO/InBIO University of Porto Vairão Portugal Faculty of Sciences University of Porto Porto Portugal Virology Max von Pettenkofer Institute LMU Munich Germany Institute for Medical Virology Frankfurt a. M. Germany Integrative structural Biology IGBMC Illkirch France Institut Pluridisciplinaire Hubert Curien Strasbourg France Institut Cochin Paris France CNRS UMR5234 MFP Lab Bordeaux France Associated International Laboratory (LIA) Microbiology and Immunology CNRS/Université de Bordeaux/Heinrich Pette Institute-Leibniz Institute for Experimental Virology Bordeaux/Hamburg France Institute of Microbiology University Hospital Center and University of Lausanne Lausanne Switzerland Imagine Institute Paris Descartes University Paris France J. Craig Venter Institute La Jolla CA United States Infection University College London London Great Britain Medicine Imperial College London Great Britain Microbiology & Infection University of Montreal Montreal Great Britain CRCHUM Montreal Canada University College London LMCB London Great Britain MRC Technology Centre for Therapeutic Discovery London Great Britain Section of Virology Department of Medicine Imperial Co

Oral presentationsSession 1: Entry & uncoatingO1 Host cell polo-like kinases (PLKs) promote early prototype foamy virus (PFV) replicationIrena Zurnic, Sylvia Hütter, Ute Lehmann, Nicole Stanke, Juliane Re... 详细信息

Oral presentations

Session 1: Entry & uncoating

O1 Host cell polo-like kinases (PLKs) promote early prototype foamy virus (PFV) replication

Irena Zurnic, Sylvia Hütter, Ute Lehmann, Nicole Stanke, Juliane Reh, Tobias Kern, Fabian Lindel, Gesche Gerresheim, Martin Hamann, Erik Müllers, Paul Lesbats, Peter Cherepanov, Erik Serrao, Alan Engelman, Dirk Lindemann

O2 A novel entry/uncoating assay reveals the presence of at least two species of viral capsids during synchronized HIV-1 infection

Claire Da Silva Santos, Kevin Tartour, Andrea Cimarelli

O3 Dynamics of nuclear envelope association and nuclear import of HIV-1 complexes

Rya Burdick, Jianbo Chen, Jaya Sastri, Wei-Shau Hu, Vinay Pathak

O4 Human papillomavirus protein E4 potently enhances the susceptibility to HIV infection

Oliver T. Keppler

Session 2: Reverse transcription & integration

O5 Structure and function of HIV-1 integrase post translational modifications

Karine Pradeau, Sylvia Eiler, Nicolas Levy, Sarah Lennon, Sarah Cianferani, Stéphane Emiliani, Marc Ruff

O6 Regulation of retroviral integration by RNA polymerase II associated factors and chromatin structure

Vincent Parissi

Session 3: Transcription and latency

O7 A novel single-cell analysis pipeline to identify specific biomarkers of HIV permissiveness

Sylvie Rato, Antonio Rausell, Miguel Munoz, Amalio Telenti, Angela Ciuffi

O8 A capsid-dependent integration program linking T cell activation to HIV-1 gene expression

Alexander Zhyvoloup, Anat Melamed, Ian Anderson, Delphine Planas, Janos Kriston-Vizi, Robin Ketteler, Chen-Hsuin Lee, Andy Merritt, Petronela Ancuta, Charles Bangham, Ariberto Fassati

O9 Characterisation of new RNA polymerase III and RNA polymerase II transcriptional promoters in the Bovine Leukemia Virus genome

Anthony Rodari, Benoit Van Driessche, Mathilde Galais, Nadége Delacourt, Sylv

关键词： Human Immunodeficiency Virus Infection Simian Immunodeficiency Virus Feline Immunodeficiency Virus Bovine Leukemia Virus Prototype Foamy Virus

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Checking orthogonal transformations and genetic algorithms for selection of fuzzy rules based on interpretability-accuracy concepts

Checking orthogonal transformations and genetic algorithms f...

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IEEE International Conference on Fuzzy systems

作者： Rey, M. Isabel Galende, Marta Sainz, Gregorio I. Fuente, Maria J. INDOMAUT S.L. Pol. Ind. San Cristóbal 47012 Valladolid Spain Spain Dpt. of Systems Engineering and Control School of Industrial Engineering University of Valladolid 47011 Valladolid Spain

ISBN: (纸本)9781424473175

Fuzzy modeling is one of the most known and used techniques in different areas to emulate the behavior of systems and processes. In most cases, as in data-driven fuzzy modeling, these fuzzy models reach a high performance from the point of view of accuracy, but from other points of view, such as complexity or interpretability, the models can present a poor performance. Several approaches are found in the specialized literature to reduce the complexity and improve the interpretability of the fuzzy models. Here, a post-processing approach is taken into account via the definition of the rules selection criterion that aims to choose the most relevant rules according to the well-known accuracy-interpretability trade-off. This criterion is based on Orthogonal Transformations, here the QRP transformation is taking into consideration, and its parameters are tuned genetically. The main objective is to check the true significance, drawbacks and advantages the firing matrix of the rules, that is the foundation of the most usual approaches based on orthogonal transformations for the complexity reduction of the fuzzy models. A neuro-fuzzy system, FasArt (Fuzzy Adaptive System ART based), and several case studies, data sets from the KEEL Project Repository, are used to tune and check this approach. This neuro-fuzzy system generates Mamdani fuzzy rule based systems (FRBSs), each with its own particularities and complexities from the point of view of fuzzy sets and rule generation. NSGA-II is the MOEA tool used to tune the criterion parameters based on accuracy-interpretability ideas. © 2011 IEEE.

关键词： Genetic algorithms

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LMIs-based coordinate descent method for solving BMIs in control design

LMIs-based coordinate descent method for solving BMIs in con...

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作者： Simon, E. R-Ayerbe, P. Stoica, C. Dumur, D. Wertz, V. Université Catholique de Louvain ICTEAM Institute Mathematical Engineering Dpt. 4 avenue Georges Lemaître 1348 Louvain-la-Neuve Belgium Automatic Control Department 3 rue Joliot Curie 91192 Gif-sur-Yvette cedex France

ISBN: (纸本)9783902661937

This work investigates the topic of solving Bilinear Matrix Inequalities (BMIs) problems in the optimal control design field, using successive resolutions of properly defined Linear Matrix Inequalities (LMIs). This technique can be described as an 'LMI-based coordinate descent method'. Indeed the original (BMI) problem is solved independently for each coordinate at each step using a LMI optimization, while the other coordinate is fixed. No method based on this idea has been formally proved to converge to the global optimum of the BMI problem, or a local optimum in general. This will be discussed using relevant results both from the mathematical programming and control design points of view. This discussion supports the algorithm proposed here which, thanks to a particular change of variables, leads to sequences of improving solutions. Also emphasized is a second improvement important to avoid in practice early convergence to suboptimal solutions instead of local optima. The control framework used is that of optimal output feedback design for linear time invariant (LTI) systems. An example using a random plant is drawn to illustrate the typical effectiveness of the algorithm. © 2011 IFAC.

关键词： Linear matrix inequalities

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LMIs-based coordinate descent method for solving BMIs in control design

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IFAC Proceedings Volumes 2011年第1期44卷 10180-10186页

作者： E. Simon P. R-Ayerbe C. Stoica D. Dumur V. Wertz Université Catholique de Louvain ICTEAM Institute Mathematical Engineering Dpt. 4 avenue Georges Lemaitre 1348 Louvain-la-Neuve Belgium SUPELEC Systems Sciences (E3S) Automatic Control Department 3 rue Joliot Curie 91192 Gif-sur-Yvette cedex France

Abstract This work investigates the topic of solving Bilinear Matrix Inequalities (BMIs) problems in the optimal control design field, using successive resolutions of properly defined Linear Matrix Inequalities (LMIs). This technique can be described as an ‘LMI-based coordinate descent method'. Indeed the original (BMI) problem is solved independently for each coordinate at each step using a LMI optimization, while the other coordinate is fixed. No method based on this idea has been formally proved to converge to the global optimum of the BMI problem, or a local optimum in general. This will be discussed using relevant results both from the mathematical programming and control design points of view. This discussion supports the algorithm proposed here which, thanks to a particular change of variables, leads to sequences of improving solutions. Also emphasized is a second improvement important to avoid in practice early convergence to suboptimal solutions instead of local optima. The control framework used is that of optimal output feedback design for linear time invariant (LTI) systems. An example using a random plant is drawn to illustrate the typical effectiveness of the algorithm.

关键词： Optimal control design BMIs LMIs Output-feedback LTI system

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Selection of time-after-injection in bone scanning using compartmental observers

Selection of time-after-injection in bone scanning using com...

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作者： Tadeo, Fernando Rami, Mustapha Ait Dpt. of Systems Engineering and Automatic Control University of Valladolid 47005 Valladolid Spain

ISBN: (纸本)9789881701299

An approach to assist the determination of the best time-after-injection for taking an scintigram in bone scanning is proposed. More precisely, a technique is discussed to estimate the evolution of the portions, in different compartments of the body, of the injected dose using a model of the radionuclide distribution dynamics, the available measurements and information on variations of the parameters. At each time, the possible range of variation of these unmeasured states is evaluated, and from this the expected evolution of the contrast of the image is obtained. This makes it possible to predict the best time for taking the image. To show the applicability, a practical example is provided.

关键词： Scanning

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Simplified modelling and validation of an industrial diesel hydrodesulfurization plant

Simplified modelling and validation of an industrial diesel ...

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9th International Symposium on Dynamics and control of Process systems, DYCOPS 2010

作者： Gómez, E. Sarabia, D. Cristea, S. Gutiérrez, G. Méndez, C.A. Sola, J.M. Unzueta, E. González, R. De Prada, C. Dpt. of Systems Engineering and Automatic Control Faculty of Sciences University of Valladolid c/ Real de Burgos 47011 Spain Güemes 3450-3000 Santa Fe Argentina Edificio Muñatones c/ San Martín 5 48550 Muskiz Vizcaya Spain

ISBN: (纸本)9783902661692

A dynamic reduced model of an industrial diesel hydrodesulfurization plant has been developed and validated against plant data. Its purpose is the prediction of the rate of hydrogen consumption, as well as some other critical variables, as a function of the hydrocarbon feed, so as to be integrated in a decision support system aimed at the operation optimization in real time of the refinery hydrogen network. A model which combines first physical-chemical principles with black box elements is proposed. Model structure and calibration procedure are described, and validation results are presented. © 2009 IFAC.

关键词： Optimization

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