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48th Annual Conference of the IEEE Industrial Electronics Society, IECON 2022

作者： Karnehm, Dominic Sorokina, Nina Pohlmann, Sebastian Ackermann, Martin Kuder, Manuel Gieraths, Antje Universität der Bundeswehr München Inst. of Intelligent Distributed Systems Neubiberg Germany Universität der Bundeswehr München Inst. of Electrical Energy Systems Neubiberg Germany Universität der Bundeswehr München Chair of Automation and Control Engineering Neubiberg Germany

ISBN: (数字)9781665480253

ISBN: (纸本)9781665480253

Modular multilevel converters are being researched more and more due to the large number of possible applications. In addition to physical experiments, simulations also provide important insights. To make this possible, it is necessary to be able to take advantage of high-performance simulations. This paper introduces a framework to simulate a system consisting of a Permanent magnet synchronous motor (PMSM) and three phases, each with a full-bridge converter and a Battery Modular Multilevel Management (BM3) converter. This framework allows it to simulate up to at least 140 BM3 modules per phase. In experiments, it was shown that it is possible to simulate 10 modules per phase in 1.43 s per uptime second. © 2022 IEEE.

关键词： Battery management systems

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Learning of FCMs with Causal Links Represented via Fuzzy Triangular Numbers

Learning of FCMs with Causal Links Represented via Fuzzy Tri...

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IEEE International Conference on Fuzzy systems

作者： M. Furkan Dodurka Atakan Sahin Engin Yesil Leon Urbas Istanbul Technical University Control and Automation Engineering Department Chair of Distributed Control Systems Engineering Institute of Automation Dresden University of Technology

ISBN: (纸本)9781467374293

In this paper, learning of the FCMs represented using triangular fuzzy numbers (TFNs) in their weight matrices is studied. For this aim a population based novel learning approach is proposed. In the proposed algorithm, BB-BC optimization method is preferred because of its fast convergence capability. Moreover, this proposed approach involves concept by concept (CbC) learning to increase the accuracy of the learning of FCMs. Two different tests are realized as case studies for investigating the performance of the learning approach. For the first test, the learning capability of the algorithm is examined and for the second test the performance of generalization capability is investigated. The tests, which are presented via tables and figures, show that learning approach is successful for learning of FCMs with TFNs. Furthermore, from the case study it can be seen that the uncertain information can be represented and interpreted by the proposed FCM design methodology in a more efficient way.

关键词： Fuzzy Cognitive Maps Triangular Fuzzy Numbers Causal Links Reasoning Weight Matrix. Learning Learning Fuzzy cognitive maps Reasoning fuzzy number Fuzzy

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Native diversity buffers against severity of non-native tree invasions ( vol 621,pg 773 , 2023 )

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NATURE 2023年第7982期622卷 E2-E2页

作者： Delavaux, Camille S. Crowther, Thomas W. Zohner, Constantin M. Robmann, Niamh M. Lauber, Thomas van den Hoogen, Johan Kuebbing, Sara Liang, Jingjing de-Miguel, Sergio Nabuurs, Gert-Jan Reich, Peter B. Abegg, Meinrad Yao, Yves C. Adou Alberti, Giorgio Zambrano, Angelica M. Almeyda Alvarado, Braulio Vilchez Alvarez-Davila, Esteban Alvarez-Loayza, Patricia Alves, Luciana F. Ammer, Christian Anton-Fernandez, Clara Araujo-Murakami, Alejandro Arroyo, Luzmila Avitabile, Valerio Aymard, Gerardo A. Baker, Timothy R. Balazy, Radomir Banki, Olaf Barroso, Jorcely G. Bastian, Meredith L. Bastin, Jean-Francois Birigazzi, Luca Birnbaum, Philippe Bitariho, Robert Boeckx, Pascal Bongers, Frans Bouriaud, Olivier Brancalion, Pedro H. S. Brandl, Susanne Brienen, Roel Broadbent, Eben N. Bruelheide, Helge Bussotti, Filippo Gatti, Roberto Cazzolla Cesar, Ricardo G. Cesljar, Goran Chazdon, Robin Chen, Han Y. H. Chisholm, Chelsea Cho, Hyunkook Cienciala, Emil Clark, Connie Clark, David Colletta, Gabriel D. Coomes, David A. Valverde, Fernando Cornejo Corral-Rivas, Jose J. Crim, Philip M. Cumming, Jonathan R. Dayanandan, Selvadurai de Gasper, Andre L. Decuyper, Mathieu Derroire, Geraldine DeVries, Ben Djordjevic, Ilija Dolezal, Jiri Dourdain, Aurelie Obiang, Nestor Laurier Engone Enquist, Brian J. Eyre, Teresa J. Fandohan, Adande Belarmain Fayle, Tom M. Feldpausch, Ted R. Ferreira, Leandro V. Fischer, Markus Fletcher, Christine Frizzera, Lorenzo Gamarra, Javier G. P. Gianelle, Damiano Glick, Henry B. Harris, David J. Hector, Andrew Hemp, Andreas Hengeveld, Geerten Herault, Bruno Herbohn, John L. Herold, Martin Hillers, Annika Coronado, Euridice N. Honorio Hui, Cang Ibanez, Thomas T. Amaral, Ieda Imai, Nobuo Jagodzinski, Andrzej M. Jaroszewicz, Bogdan Johannsen, Vivian Kvist Joly, Carlos A. Jucker, Tommaso Jung, Ilbin Karminov, Viktor Kartawinata, Kuswata Kearsley, Elizabeth Kenfack, David Kennard, Deborah K. Kepfer-Rojas, Sebastian Keppel, Gunnar Khan, Mohammed Latif Killeen, Timothy J. Kim, Hyun Seok Kitayama, Kanehiro Kohl, Michael Korju Institute of Integrative Biology ETH Zurich (Swiss Federal Institute of Technology) Zurich Switzerland Department of Genetics Evolution and Environment University College London London UK The Forest School at The Yale School of the Environment Yale University New Haven CT USA Department of Forestry and Natural Resources Purdue University West Lafayette IN USA Department of Agriculture Forestry and Bioresources Seoul National University Seoul South Korea Department of Crop and Forest Sciences University of Lleida Lleida Spain Joint Research Unit CTFC–AGROTECNIO–CERCA Solsona Spain Wageningen University and Research Wageningen The Netherlands World Agroforestry (ICRAF) Nairobi Kenya Department of Forest Resources University of Minnesota St Paul MN USA Hawkesbury Institute for the Environment Western Sydney University Penrith New South Wales Australia Institute for Global Change Biology and School for Environment and Sustainability University of Michigan Ann Arbor MI USA Swiss Federal Institute for Forest Snow and Landscape Research WSL Birmensdorf Switzerland UFR Biosciences University Félix Houphouët-Boigny Abidjan Côte d’Ivoire Department of Agricultural Food Environmental and Animal Sciences University of Udine Udine Italy Faculty of Science and Technology Free University of Bolzano Bolzano Italy Spatial Ecology and Conservation Laboratory Department of Tourism Recreation and Sport Management University of Florida Gainesville FL USA Forestry School Tecnológico de Costa Rica TEC Cartago Costa Rica Fundacion ConVida Universidad Nacional Abierta y a Distancia UNAD Medellin Colombia Field Museum of Natural Histiory Chicago IL USA Center for Tropical Research Institute of the Environment and Sustainability UCLA Los Angeles CA USA Silviculture and Forest Ecology of the Temperate Zones University of Göttingen Göttingen Germany Division of Forest and Forest Resources Norwegian Institute of Bioeconomy Research (NIBIO) Ås Norway Museo de Hi

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MATLAB case-based reasoning GUI application for control engineering education

MATLAB case-based reasoning GUI application for control engi...

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International Conference on Information Technology Based Higher Education and Training, ITHET

作者： Engin Yesil Cihan Ozturk Berk Cosardemir Leon Urbas Faculty of Electrical and Electronics Engineering Control Engineering Department Istanbul Technical University Maslak Istanbul Turkey Chair of Distributed Control Systems Engineering Institute of Automation Dresden University of Technology Dresden Germany

This paper represents using Case-Based Reasoning (CBR) in order to support undergraduate control engineering students for learning nonlinear systems and control applications. CBR is an experience-based problem solving methodology; thus, it is used for helping control engineering students to design conventional PID controllers for nonlinear systems. For this purpose, GUNT pH neutralization process is used as the experimental setup and a GUI is designed for cased-based reasoning in MATLAB. It is observed that undergraduate students can learn and increase their experience on nonlinear systems using the proposed new CBR-GUI.

关键词： Process control control engineering Cognition MATLAB Databases Libraries

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Towards context adaptive HMIs in process industries

Towards context adaptive HMIs in process industries

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IEEE International Conference on Industrial Informatics (INDIN)

作者： Leon Urbas Stefan Hennig Henning Hager Falk Doherr Annerose Braune Chair of Distributed Control Systems Engineering Technische Universität Dresden Germany Chair of Automation Systems Technische Universität Dresden Germany

This paper presents the combination of two distinct model driven HMI engineering approaches. Together they setup a complete toolchain that lays the basis for the model driven (semi)automatic generation of flexible, multi-platform HMIs for process industries. The two approaches are autoHMI which derives a concrete UI design from Computer Aided engineering Data, and XVCML which allows to generate final UIs for different web implementation paradigms like XHTML or Java on top of OPC UA. This tool integration provides a complete model driven software engineering architecture that cuts down the manual efforts in HMI engineering close to zero. This is a prerequisite to handle the complexity of context adaptive interfaces.

关键词： Process control Automation Concrete Instruments Context Data models

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Design and implementation of Automatic Parallel Detection Layer

Design and implementation of Automatic Parallel Detection La...

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IEEE International Conference on systems, Man and Cybernetics

作者： M. Ahamed H. Eldeeb S. Nassar N. Bagherzadeh Computer Science Mathematics Department Faculty of Science Cairo University Cairo Egypt Electrical and Computer Engineering University of California Irvine Irvine CA USA Computer & Control Department Electronic Research Institute Head of Parallel and Distributed Systems team Cairo Egypt Chair of Electrical and Computer Engineering University of California Irvine Irvine CA USA

We develop a new software layer called the Automatic Parallel Detection Layer (APDL) for the automatic transformation from sequential to parallel code. The main interest, in this research, is the parallelism at loop level, because significant parallelism in programs almost invariably occurs in loops. The proposed APDL has five processes for code transformation: the sequential source code parser, data dependence analysis of this code, partitioning, scheduling both task and data, and generating parallel source code. Many cases have been studied to evaluate the performance of the developed layer. The performance is evaluated depending on the execution time of: the sequential code, the parallel programmer code, and the code output from APDL for the same case study. Performance results show that APDL greatly improves the execution time with respect to sequential execution time, and saves on the high cost of a parallel programmer.

关键词： Parallel processing Concurrent computing Programming profession Electronic mail Program processors distributed computing High performance computing Computer science Automatic control Parallel programming

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USE OF ORTHOGONAL COLLOCATION APPROXIMATION FOR PARAMETER-IDENTIFICATION AND control OPTIMIZATION OF A distributed PARAMETER BIOLOGICAL REACTOR

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BIOTECHNOLOGY PROGRESS 1987年第4期3卷 248-258页

作者： ISAACS, S THOMA, M MUNACK, A Institut für Regelungstechnik Universität Hannover Appelstr. 11 D-3000 Hannover Federal Republic of Germany Steven Isaacs:received a Bachelor of Science degree from MIT in 1976 and a Master of Science degree from the University of California at Berkeley in 1978 both in chemical engineering. He has been employed by the IBM Corporation in San Jose California and was a member of the engineering staff at the Solar Energy Research Institute in Golden Colorado in the area of Biofuels. Since 1985 he has been employed at the Institute for Automatic Control at the University of Hannover. West Germany where he is working toward a PhD degree in the control of biological processes Axel Munack:received an electrical engineering degree in 1974 and a doctoral degree in control engineering in 1980 both from the University of Hannover. From 1974 to 1985 he was employed at the Institute for Automatic Control at the University of Hannover and since summer 1985 he has been a professor at the Technical University of Hamburg-Harburg. His main areas of scientific interest are distributed parameter systems from the theoretical side and with regard to applications modeling optimization and control of biotechnical processes Technische Universität Hamburg-Harburg Arbeitsbereich Regelungstechnik EiBendorfer Str. 38 2100 Hamburg 90 Federal Republic of West Germany Manfred Thoma:received the Dipl.-Ing. in electrical engineering and the Dr.-Ing. degree from the University of Darmstadt in 1957 and 1963 respectively. He held teaching and research positions at Darmstadt University and was a visiting professor at Purdue University Lafayette Indiana. Since 1967 he has been Professor of the Chair of Automatic Control at Hannover University. In addition he spent three months during 1977 as visiting professor at Kyoto University Japan. Professor Thoma has been with International Federation of Automatic Control since 1972 in different capacities. He is Past President of IFAC. He is a member of a number of scientific and professi

The orthogonal collocation method of approximation is applied to the differential equations describing the oxygen concentration profiles in the liquid and gas phases of the tower loop airlift reactor. This provides a relatively quick simulation method that can be used for the parameter identification and control optimization tasks of the Open Loop Feedback Optimal (OLFO) adaptive control algorithm. Results of simulated cell mass fermentations are compared to that of a slower, more accurate finite difference simulation method showing the effects of collocation order on approximation accuracy and computation time. An example of parameter identification of the spatially dependent oxygen mass transfer coefficient and the overall growth rate is provided. Also, an example is included showing the optimization of air feed rate policy over the course of a fermentation.

关键词： BIOREACTORS

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