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2006 IEEE International Conference on Automation, Quality and Testing, Robotics

25-28 May 2006

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  • [Front cover]

    Publication Year: 2006, Page(s): C1
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  • 2006 IEEE-TTTC International Conference on Automation, Quality and Testing, Robotics

    Publication Year: 2006, Page(s): I
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  • Copyright page

    Publication Year: 2006, Page(s): II
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  • Foreword

    Publication Year: 2006, Page(s): III
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  • Sponsors

    Publication Year: 2006, Page(s):IV - V
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  • [Breaker page]

    Publication Year: 2006, Page(s): IX
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  • Table of contents

    Publication Year: 2006
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  • Index of authors

    Publication Year: 2006, Page(s):13 - 24
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  • [Breaker page]

    Publication Year: 2006, Page(s): 25
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  • Invariance Properties in the Dynamics of Positive Linear Systems

    Publication Year: 2006, Page(s):27 - 31
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (632 KB) | HTML iconHTML

    The paper explores the dynamics of asymptotically stable positive linear systems, with arbitrary initial conditions and constant input signals. We study both discrete- and continuous-time cases. We prove the existence of time-dependent invariant sets, defined in terms of Holder p-norms, with 1 les p les infin. Our results allow refining the qualitative analysis of positive linear systems. The inve... View full abstract»

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  • The Design of Control Systems for Hydraulic Turbines

    Publication Year: 2006, Page(s):32 - 36
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (502 KB) | HTML iconHTML

    In hydro power plants from Romania, there is a major interest for the implementation of digital systems for monitoring and control replacing the conventional control systems for power, frequency and voltage. Therefore is necessary to develop mathematical models capable to accurately describe both dynamic and stationary behavior of the hydro units, in order to be able to implement digital control a... View full abstract»

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  • Subspace Identification of Pure Stochastic Systems

    Publication Year: 2006, Page(s):37 - 42
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (513 KB) | HTML iconHTML

    In this paper we treat the subspace identification of pure stochastic systems with no external input. The stochastic identification problem consists of computing the stochastic system matrices from given output data only. We show how this can be done using geometric operations as orthogonal projections. Implementation of the subspace identification algorithm for stochastic systems has been discuss... View full abstract»

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  • Activating Paralyzed Muscles using Adaptive Control and a Neuroprosthetic Technique

    Publication Year: 2006, Page(s):43 - 47
    Cited by:  Papers (1)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (685 KB) | HTML iconHTML

    Natural biological control involves the normal functioning of the living organism (i.e. human body) to regulate its parameters such that the vital functions are kept within the normal operating range. When this natural control fails, the biological feedback is unstable, operating under non-optimal conditions of the subject's vital capacity. In this context, ensuring the subject's nominal surviving... View full abstract»

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  • An Approach to Control the Blood Glucose Level in Diabetic Patients

    Publication Year: 2006, Page(s):48 - 53
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (618 KB) | HTML iconHTML

    Preliminary results of an in-house predictive control algorithm applied to blood glucose level control in type I diabetic patients are presented in this paper. The manipulated variable considered in this application is the insulin infusion rate to a drug delivery pump; the controlled variable is the blood glucose level. The role of the disturbance filter in model-based predictive control is indica... View full abstract»

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  • Control Optimizing Algorithm for Soft Sun-Trackers

    Publication Year: 2006, Page(s):54 - 57
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (471 KB) | HTML iconHTML

    The paper is presenting an optimizing control algorithm for PV soft sun trackers. The study is dealing with a covering problem with a time intervals set [S, D]. The set covers the duration of any day of the year from sunrise to sunset. A very important result of the proposed algorithm consists in the fact the number of the movements of the PV is reduced to less than the half in comparison with the... View full abstract»

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  • The Modelling of the Power Factor in Steady State Non Sinusoidal Regime with Mathcad Techniques

    Publication Year: 2006, Page(s):58 - 61
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (670 KB) | HTML iconHTML

    The paper presents the results of a new mathematical method to calculate the power factor in the electroenergetical circuits. The relative values which characterize the voltage and current harmonics have been used. The MathCAD example will prove, comparatively, the efficiency and the application of this method View full abstract»

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  • MRAC and FMRLC for a plant with time varying parameters

    Publication Year: 2006, Page(s):62 - 67
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (328 KB) | HTML iconHTML

    This paper presents a comparative analysis of two adaptive control methods used in case of time varying plant parameters. The first adaptive control method is based on the stability theory of Lyapunov and the other one is based on fuzzy logic. Also, the performances of the proposed control algorithms are evaluated with simulation environment. These control structures are designed for local compens... View full abstract»

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  • Modeling and Numerical Simulation of PDE Using the (Mdpx) Matrix, Associated to Taylor Series

    Publication Year: 2006, Page(s):68 - 71
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (204 KB) | HTML iconHTML

    The paper presents a possible version of systemic approach to model and simulate some usual categories of processes with distributed parameters. With this purpose is defined and used the "partial differential matrix of state vector", noted (Mdpx) View full abstract»

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  • Systemic Approach for Numerical Modeling and Simulation of the Impulse Response for Rapid Reaction Cu2+ - S2O32-

    Publication Year: 2006, Page(s):72 - 76
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (324 KB) | HTML iconHTML

    The kinetics of reaction between Cu2+ and S2O3 2- and formation of an intermediate complex, CuS2O3, are investigated. The kinetics of fading away of the color of this complex has been traced spectrophotometrically using a stopped-flow apparatus. The experimental reaction order is consistent with the mechanism involving in the first ... View full abstract»

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  • Theoretical Preparatories Regarding Modelling and Numerical Simulation of Some Distributed Parameters Processes

    Publication Year: 2006, Page(s):77 - 79
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (221 KB) | HTML iconHTML

    This paper presents a possible extension and the use of Taylor series for the numerical modeling and simulation of some processes which can be described in terms of second order partial derivative equations which depend on four independent variable (Farlow, et al., 1982). These processes may be experienced in the thermoenergetical industry as well as in the field of pollutants dispersion. The inde... View full abstract»

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  • Theoretical Preliminaries Regarding the Modeling and Identification of an Electric Oven with Silicon Carbide Heating Elements

    Publication Year: 2006, Page(s):80 - 83
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (291 KB) | HTML iconHTML

    The paper describes a method to determine a mathematical model for an electric oven with silicon-carbide heating elements. The structure of the model is obtained analytically, and its parameters are determined through experimental methods such as heating and cooling curve. The accuracy of this model is verified comparing the numerical simulation results with a set of experimental data View full abstract»

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  • Some Applications for Nonlinear Processes of a Model Based Predictive Control Algorithm

    Publication Year: 2006, Page(s):84 - 89
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (448 KB) | HTML iconHTML

    Model based predictive control (MBPC) is a class of computer algorithms that explicitly use a process model to predict future plant outputs and compute an appropriate control action through on-line optimization of a cost objective function over a future horizon, subject to various constraints. This paper presents an MBPC type algorithm applied to nonlinear processes. The basic idea of the algorith... View full abstract»

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  • Simulink Implementation of Fuzzy Functional Models for Analog Modules

    Publication Year: 2006, Page(s):90 - 95
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (306 KB) | HTML iconHTML

    The CAD of mixed electronic circuits asks for high level functional models of analog modules for efficient simulation. Being universal approximators, fuzzy systems can be successfully involved in this kind of models. Because Simulink has become a widely used software package in academia and industry for modeling and simulating dynamic systems, we chose it for implementation of our functional model... View full abstract»

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  • Algorithm for Fuzzy Relation Identification

    Publication Year: 2006, Page(s):96 - 101
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (369 KB) | HTML iconHTML

    Fuzzy model identification of a system can be performed either by subjective or objective methods. Subjective methods assume the describing of system operation in statements of type If...Then... and their summarization in a fuzzy relation. The objective methods are performed in an experimental approach. The second class is a common one and assumes fuzzy model identification without an expert. This... View full abstract»

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  • Study of NOx reduction in counter-current chromatographic reactor

    Publication Year: 2006, Page(s):102 - 106
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1004 KB) | HTML iconHTML

    Taking into account the interaction between transport phenomena and chemical reactions, the analysis of the dynamic behavior and the investigation of systems response in case of counter-current reactor (CCR) operation was made. The mathematical modeling and numerical simulations of the behavior of a monolith reactor operating in counter-current mode was addressed. A pseudo-homogeneous mathematical... View full abstract»

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