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作者： Dyda, A.A. Lubimov, E.V. Sheykhot, A.K. Department of Automatic and Information Systems Maritime State University Vladivostok 690059 Russia Institute for Automation and Control Processes RAS Vladivostok Russia Department of Information Systems Far-Eastern State Technical University Vladivostok Russia

ISBN: (纸本)9783902661623

This paper deals with the problem of the automation of design procedures for nonlinear control systems. As an example the procedure has been realized for the well-known technique consisting of the exact linearization via nonlinear feedback. The developed software achieves the synthesis of control laws in symbolical form that is convenient for further analysis, modeling, and practical implementation of the system. Examples of the software application to underwater vehicle and robot manipulator are given and discussed. Copyright © 2007 IFAC.

关键词： Nonlinear feedback

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Electric impedance assisted micropipette aspiration

Electric impedance assisted micropipette aspiration

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29th Annual International Conference of IEEE-EMBS, Engineering in Medicine and Biology Society, EMBC'07

作者： Kovanen, Katrin Lukkari, Mikko Purmonen, Sami Ylikomi, Timo Viitanen, Jouko Kallio, Pasi J. Institute of Automation and Control Tampere University of Technology 33101 Tampere Finland Department of Cell Biology Medical School University of Tampere 33014 Tampere Finland Digital Information Systems Technical Research Center of Finland Tampere FI-33101 Finland Institute of Automation and Control Tampere University of Technology P.O.Box 692 33101 Tampere Finland

ISBN: (纸本)1424407885

Micropipette aspiration is a technique to selectively isolate cells from cell cultures using suction pressure. Cells can selectively be isolated one by one from neighboring cells into the micropipette. This paper presents a novel micropipette aspiration system assisted by an impedance measurement system. Furthermore, a method to reduce the adhesion force at a single cell level for a gentler detachment of the cell from a cultivation surface and surrounding cell connections is proposed. ©2007 IEEE.

关键词： Electric impedance measurement

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MODELING AND control OF ELEVATORS BY STATECHARTS

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Asian Journal of control 2008年第2期6卷

作者： Yi-Sheng Huang Sheng-Luen Chung Mu-Der Jeng Department of Aeronautical Engineering Chung Cheng Institute of Technology National Defense University Tashi Taoyuan 335 Taiwan R.O.C. Department of Electrical Engineering National Taiwan University of Science and Technology Taipei 106 Taiwan R.O.C. Department of Electrical Engineering National Taiwan Ocean University Kellung 202 Taiwan R.O.C. MuDer Jeng received the Ph.D. degree in computer and systems engineering from Rensselaer Polytechnic Institute Troy NY in 1992. Since August 1992 Dr. Jeng has been with National Taiwan Ocean University Keelung Taiwan where he is currently a full Professor at the Department of Electrical Engineering. His current research interests include Petri nets discrete event systems computer integrated manufacturing semiconductor factory automation embedded systems. Dr. Jeng is the author/co-author of over 120 book chapters journal papers and conference papers. Dr. Jeng received the Franklin V. Taylor Outstanding Paper Award from the IEEE Systems Man and Cybernetics Society in 1993. He was granted the Research Award by the National Science Council of Taiwan annually from 1994 to 2000. He is an Associate Editor for IEEE Transactions on Systems Man and Cybernetics-Part A IEEE Transactions on Robotics and Automation IEEE Transactions on Robotics and serves on the Editorial Board of International Journal of Computer Integrated Manufacturing. He has been a Guest Editor for eight leading journals. Dr. Jeng is the Chair of the Technical Committee on Discrete Event Systems of the IEEE SMC Society and the Founding Chair of the Technical Committee on Semiconductor Factory Automation of the IEEE Robotics and Automation Society. He served as the Exhibitions Chair of 2003 IEEE International Conference on Robotics and Automation and the Special Sessions Chair of 2004 IEEE International Conference on Networking Sensing and Control. He serves as a Program Co-Chair of 2005 IEEE International Conference on Networking Sensing and Control and the Organization Commit

Statechart has been utilized as a visual formalism for the modeling of complex and interactive systems for its illuminating features on describing properties of causality, concurrency, and synchronization. This paper presents the application of satechart to the modeling, design and implementation of an elevator system, whose system behavior involves aggregating complexity of state descriptions, and imposition of underlying control policy. Based on the operational flow of an elevator, we derive the associated statechart model by looking into the inherent hierarchical structure of the elevator. The advantage of the proposed approach is the clear presentation of system behavior in terms of conditions and events that cause the transitions in system dynamics. Implementation of the controlled elevator based on the modeled statechart is also presented.

关键词： Statechart interactive systems elevator

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Foundation of Notation and Classification of Nonconventional Static and Dynamic Neural Units

Foundation of Notation and Classification of Nonconventional...

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IEEE International Conference on Cognitive Informatics

作者： Ivo Bukovsky Zeng-Guang Hou Jiri Bila Madan M. Gupta Department of Instrumentation and Control Engineering Czech Technical University Czech Republic Key Laboratory of Complex Systems and Intelligence Science Institute of Automation Chinese Academy and Sciences China Intelligent Systems Research Laboratory College of Engineering University of Saskatchewan Canada

The paper introduces basic types of nonconventional artificial neural units and focuses their notation and classification: namely; the notation and classification of dynamic higher-order nonlinear neural units, time-delay dynamic neural units, and time-delay higher-order nonlinear neural units is introduced. Brief introduction into the simplified parallel of higher-order nonlinear aggregating function of artificial nonconventional neural units and synaptic and somatic operation of biological neurons is made. Based on still simplified mathematical notation, it is proposed that nonlinear aggregating function of neural inputs should be understood as composition of synaptic as well as partial somatic neural operation also for static neural units. Thus it unravels novel, simplified, yet universal insight into understanding more computationally powerful neurons. The classification of nonconventional artificial neural units is founded first according to nonlinearity of aggregating function, second according to the dynamic order, third according to time-delay implementation within neural units.

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Electric Impedance Assisted Micropipette Aspiration

Electric Impedance Assisted Micropipette Aspiration

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29th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBS 2007), vol.14

作者： Katrin Kovanen Mikko Lukkari Sami Purmonen Timo Ylikomi Jouko Viitanen Pasi J. Kallio Institute of Automation and Control Tampere University of Technology Tampere Finland Department of Cell Biology Medical School University of Tampere Tampere Finland Digital Information Systems Technical Research Centre of Finland (VTT) Tampere Finland

关键词： Micropipette aspiration Adherent cells Impedance measurement Microinjection Micromanipulation

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SYMBOLIC SYNTHESIS OF control LAWS FOR UNDERWATER VEHICLE AND ROBOT MANIPULATOR

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IFAC Proceedings Volumes 2007年第17期40卷 249-253页

作者： A.A. Dyda E.V. Lubimov A.K. Sheykhot A. A. Dyda is with the Department of Automatic and Information Systems Maritime State University Vladivostok 690059 Russia and partially with the Institute for Automation and Control Processes RAS Vladivostok (phone:+7-(4232)-28-41 -67) E. V. Lubimov is with the Department of Automatic and Information Systems Maritime State University Vladivostok Russia A.K. Sheykhot is with the Department of Information Systems Far-Eastern State Technical University Vladivostok Russia

关键词： Nonlinear control algorithms software engineering linearization manipulators

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MARKOV DECISION PROCESSES WITH UNCERTAIN TRANSITION RATES: SENSITIVITY AND MAX HYPHEN MIN control

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Asian Journal of control 2008年第2期6卷

作者： Suresh Kalyanasundaram Edwin K. P. Chong Ness B. Shroff Motorola India Electronics Limited No. 66/1 Plot 5 Bagmane Techpark C. V. Raman Nagar Post Bangalore 560 093 India. Department of Electrical and Computer Engineering Colorado State University Fort Collins CO 80523-1373 USA. Professor Edwin K. P. Chong received the B.E.(Hons.) degree with First Class Honors from the University of Adelaide South Australia in 1987 graduating top of his class and the M.A. and Ph.D. degrees in 1989 and 1991 respectively both from Princeton University where he held an IBM Fellowship. He joined the School of Electrical and Computer Engineering at Purdue University in 1991 where he was named a University Faculty Scholar in 1999 and promoted to Full Professor in 2001. Since August 2001 he has been a Professor of Electrical and Computer Engineering and Professor of Mathematics at Colorado State University. His current interests are in communication networks and optimization methods. He coauthored the best-selling book An Introduction to Optimization 2nd Edition Wiley-Interscience 2001. He received the NSF CAREER Award in 1995 and the ASEE Frederick Emmons Terman Award in 1998. He coauthored a paper that was awarded Best Paper in the journal Computer Networks 2003. Professor Chong is a Fellow of the IEEE. He was founding chairman of the IEEE Control Systems Society Technical Committee on Discrete Event Systems and until recently served as an IEEE Control Systems Society Distinguished Lecturer. He has been on the editorial board of the IEEE Transactions on Automatic Control. He is currently on the editorial board of the journal Computer Networks. He has also served on the organizing committees of several international conferences. He has been on the program committees for the IEEE Conference on Decision and Control the American Control Conference the IEEE International Symposium on Intelligent Control IEEE Symposium on Computers and Communications and the IEEE Global Telecommunications Conference. He has also served in the executive committees for the IEEE Co

Solution techniques for Markov decision problems rely on exact knowledge of the transition rates, which may be difficult or impossible to obtain. In this paper, we consider Markov decision problems with uncertain transition rates represented as compact sets. We first consider the problem of sensitivity analysis where the aim is to quantify the range of uncertainty of the average per-unit-time reward given the range of uncertainty of the transition rates. We then develop solution techniques for the problem of obtaining the max-min optimal policy, which maximizes the worst-case average per-unit-time reward. In each of these problems, we distinguish between systems that can have their transition rates chosen independently and those where the transition rates depend on each other. Our solution techniques are applicable to Markov decision processes with fixed but unknown transition rates and to those with time-varying transition rates.

关键词： Markov decision processes sensitivity max-min control call admission control policy iteration

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Fault diagnostics of industrial robots using support vector machines and discrete wavelet transforms

Fault diagnostics of industrial robots using support vector ...

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2006 ASME International Mechanical Engineering Congress and Exposition, IMECE2006

作者： Datta, A. Patel, S. Mavroidis, C. Antoniadis, I. Krishnasamy, J. Hosek, M. Dept. of Mechanical and Industrial Engineering 375 Snell Engineering Center Northeastern University 360 Huntington Avenue Boston MA 02115 United States Mechanical Design and Control Systems Division Department of Mechanical Engineering National Technical University of Athens 9 Heroon Polytechniou Str. 15773 Athens Greece Brooks Automation Inc. 16 Elizabeth Drive Chelmsford MA 01854 United States

ISBN: (纸本)0791837904

In this paper we address the problem of fault diagnostics in industrial robots. The goal was to develop a method that automatically, accurately and in a generic way could identify and classify faults once they occur for any type of industrial robot used. Although a large number of diagnosis methods and relevant applications for industrial equipment already exist, the current research in the area of fault diagnosis of industrial robotic manipulators is rather poor, due to the large variability of faults, the unsteady and non-uniform operating conditions, the small amount of sensors used in industrial manipulators and the rather limited time records of the equipment. These restrictions present key challenges of the current research to be undertaken. In this paper we present a novel approach to perform fault diagnostics of industrial robotic systems using Support Vector Machines (SVM) and Discrete Wavelet Transform based feature extraction. Experimental results are obtained from an industrial manipulator used in the semi-conductor industry. Copyright © 2006 by ASME.

关键词： Industrial robots

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Plant-wide (BSM2) evaluation of reject water treatment with a SHARON-anommox process

Plant-wide (BSM2) evaluation of reject water treatment with ...

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作者： Volcke, Eveline I.P. Gernaey, K.V. Vrecko, Darko Jeppsson, Ulf Van Loosdrecht, M.C.M. Vanrolleghem, Peter A. BIOMATH Department of Applied Mathematics Biometrics and Process Control Ghent University Coupure Links 653 B-9000 Gent Belgium Department of Industrial Electrical Engineering and Automation Lund University PO Box 118 SE-22100 Lund Sweden Department of Chemical Engineering Technical University of Denmark Building 229 DK-2800 Kgs. Lyngby Denmark Department of Systems and Control Jožef Stefan Institute Jamova 39 SI-1000 Ljubljana Slovenia Department of Biochemical Engineering Delft University of Technology Julianalaan 67 NL-2628 BC Delft Netherlands ModelEAU Département de Génie Civil Université Laval Pavillon Pouliot Québec QC G1K 7P4 Canada

ISBN: (纸本)1843395835

In wastewater treatment plants (WWTPs) equipped with sludge digestion and dewatering systems, the reject water originating from these facilities contributes significantly to the nitrogen load of the activated sludge tanks, to which it is typically recycled. In this paper, the impact of reject water streams on the performance of a WWTP is assessed in a simulation study, using the Benchmark Simulation Model no. 2 (BSM2), that includes the processes describing sludge treatment and in this way allows for plant-wide evaluation. Comparison of performance of a WWTP without reject water with a WWTP where reject water is recycled to the primary clarifier, i.e. the BSM2 plant, shows that the ammonium load of the influent to the primary clarifier is 28% higher in the case of reject water recycling. This results in violation of the effluent total nitrogen limit. In order to relieve the main wastewater treatment plant, reject water treatment with a combined SHARON-Anammox process seems a promising option. The simulation results indicate that significant improvements of the effluent quality of the main wastewater treatment plant can be realized. An economic evaluation of the different scenarios is performed using an Operating Cost Index (OCI). © IWA Publishing 2006.

关键词： Wastewater treatment

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Hierarchical modelling in biology: Systematic building of limb models

Hierarchical modelling in biology: Systematic building of li...

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作者： Fazekas, C.S. Kozmann, G.Y. Hangos, K.M. Department of Information Systems University of Veszprém Veszprém Hungary Research Institute for Technical Physics and Materials Sciences Department of Biomedical Engineering Budapest Hungary Computer and Automation Research Institute Systems and Control Laboratory Budapest Hungary

ISBN: (纸本)008045108X

A multi-level model, that provides a hierarchically structured description of a complex, multi-scale limb system is proposed in this paper for predicting and analyzing movement patters generated by various activation signals. The levels, the sub-models on each level and their interconnections are developed and described following a systematic modelling procedure. The computational properties (degree of freedom and differential index) of the developed model have been analyzed and a sub-model has been transformed to meet the index-one requirement for solving the resulting differential algebraic equation (DAE) model by standard methods implemented in MATLAB. The model is extensively verified against engineering expectations using parameter values found in the literature, and a good agreement was found. Parameter sensitivity analysis has also been performed. Copyright © 2005 IFAC.

关键词： Hierarchical systems

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