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Infrared camera measurement of source

International Journal of Circuits, Systems and Signal Processing 2011年第6期5卷 589-596页

作者： Drga, R. Janáčová, D. Charvátová, H. Tomas Bata University Faculty of Applied Informatics Department of Security Engineering nám. T. G. Masaryka 5555 760 01 Zlín Czech Republic Faculty of Applied Informatics Department of Automation and Control Eigineering Tomas Bata University nám T. G. Masaryka 5555 760 01 Zlín Czech Republic

The paper deals with the infrared radiation source EK-8520, ability to measure using a thermocouple TP334 and temperature by thermal imager for calculating spectral range. It prepares the theoretical and practical bas... 详细信息

关键词： Infrared radiation

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Time delay compensation by fuzzy control in the case of master-slave telesurgery

Time delay compensation by fuzzy control in the case of mast...

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International Symposium on applied Computational Intelligence and informatics ( SACI)

作者： Radu-Emil Precup Levente Kovács Tamás Haidegger Stefan Preitl Adalbert Kovács Balázs Benyó Endre Borbély Zoltán Benyó Department of Automation and Applied Informatics Polytechnic University of Timisoara Timisoara Romania Department of Control Engineering and Information Technology Budapest University슠of슠Technology슠and슠Economics Budapest Hungary Department of Mathematics Polytechnic University of Timisoara Timisoara Romania Kandó Kálmán Faculty Óbuda University Budapest Hungary

Telesurgery means the remote application of interventional medical techniques; a concept that is currently widely practiced around the world for short distance through master-slave robot systems. The concept has the potential to service long distance telesurgery as well. However, this requires the effective handling of communication latency. The current paper suggests a fuzzy control solution for telesurgical applications aiming at the alleviation of the disturbing effects of large latencies with the concept of remote surgical robotics. The fuzzy control solution is supported by a cascade control system structure with two proportional-integral-derivative (PID) controllers in the inner and outer control loops and designed by Kessler's Extended Symmetrical Optimum empirical criteria. The PID controller in the outer loop is next replaced by Takagi-Sugeno-Kong PID-fuzzy controllers which combine several separately designed PID controllers. The combination of separately designed PID controllers and the modal equivalence principle are expressed as a design and tuning method of the Tagaki-Sugeno-Kong PID-fuzzy controllers.

关键词： control systems Tuning Fuzzy control Robots Delay effects Design methodology Humans

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Mobile robot fault tolerant control. Introducing ARTEMIC

Mobile robot fault tolerant control. Introducing ARTEMIC

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2010 2nd International Conference on Education Technology and Computer, ICETC 2010

作者： Cristian, Axenie Cemega, Daniela Automation and Industrial Informatics Department Computer Science Faculty Dunarea de Jos University University Stiintei Street Galati Romania Control Systems and Applied Informatics Computer Science Faculty Dunarea de Jos Stiintei Street Galati Romania

ISBN: (纸本)9781424463688

Real-time applications should timely deliver synchromzed data-sets, minimize latency in their response and meet theIr performance specifications in the presence of disturbances and faults. The fault tolerant behavior in mobile robots refers to the possibility to autonomously detectt and identify faults as well as the capability to continue operating after a fault occurred. This paper introduces a real-time distributed control application with fault tolerance capabilities for differential wheeled mobile robots, named ARTEMIC. Specific design, development and Implementation details will be provided in this paper. © 2010 IEEE.

关键词： Mobile robots

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Real time control design for mobile robot fault tolerant control. Introducing the ARTEMIC powered mobile robot

Real time control design for mobile robot fault tolerant con...

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2010 IEEE/ASME International Conference on Mechatronic and Embedded Systems and Applications, MESA 2010

作者： Axenie, Cristian Solea, Razvan Automation and Industrial Informatics Department Computer Science Faculty Dunarea de Jos University Stiintei Street Galati Romania Control Systems and Applied Informatics Computer Science Faculty Dunarea de Jos University Stiintei Street Galati Romania

ISBN: (纸本)9781424471010

Real-time applications should timely deliver synchronized data-sets, minimize latency and jitter in their response and meet their performance specifications in the presence of disturbances and faults. The fault tolerant behavior in mobile robots refers to the possibility to autonomously detect and identify faults as well as the capability to continue operating after a fault occurred. This paper introduces a real-time distributed control application with fault tolerance capabilities for differential wheeled mobile robots, named ARTEMIC. The paper focuses on design details and performance analysis at the system operation level. Some stress tests are executed during normal operation to validate the proposal. Specific design, development and implementation details will be provided in this paper. © 2010 IEEE.

关键词： Mobile robots

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control of systems with time-varying delay: A comparison study

Control of systems with time-varying delay: A comparison stu...

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作者： Matušů, Radek Prokop, Roman Department of Automation and Control Engineering Faculty of Applied Informatics Tomas Bata University in Zlín Nad Stráněmi 4511 76005 Zlín Czech Republic

ISBN: (纸本)9789549260014

This contribution is focused on control of single-input single-output (SISO) systems containing harmonically time-varying delay. Three different approaches to continuous-time control are studied and compared. The first technique utilizes a modified PI-PD Smith predictor in a combination with standard forms for minimum of integral squared time error (ISTE). The second methodology exploits a Coefficient Diagram Method (CDM) for another modified Smith predictor structure. And finally, the third approach to synthesis is based on general solutions of Diophantine equations in the ring of proper and Hurwitz-stable rational functions (RPS) for a classical feedback control loop. The comparison of proposed methods is accomplished through a simple simulation example.

关键词： Time delay

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Microcontroller based self-tuning digital PID controller

Microcontroller based self-tuning digital PID controller

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作者： Dostálek, Petr Pekař, Libor Vašek, Vladimír Dolinay, Jan Department of Automation and Control Engineering Tomas Bata University in Zlín Faculty of Applied Informatics Nad Stráněmi 4511 760 05 Zlín Czech Republic

ISBN: (纸本)9789604741991

Paper deals with implementation of self-tuning digital PID controller on general-purpose 8-bit Freescale 68HC908GB60 microcontroller which is a part of development board M68EVB908GB60 by Axiom Manufacturing. The process is identified using modified recursive least squares method with adaptive directional forgetting resulting in δ model representation of controlled plant. This representation was chosen in order to achieve lower sampling time periods and mainly better numerical stability of identification process. control part of algorithm utilizes digital PID controller whose parameters are designed by pole placement method. Developed program equipment works under realtime operating system RTMON for HCS08 which was created on our department. Functionality of the controller was verified by controlling two different educational heat plants models which are used in laboratory lessons of Theory of Automatic control subject.

关键词： Microcontrollers

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Interpolative frequency characteristics generators for the Vestibular Nucleus activity

Interpolative frequency characteristics generators for the V...

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作者： Codrean, Alexandru Ceregan, Vlad Dragomir, Toma-Leonida Korodi, Adrian Control System and Informatics Politehnica University of Timisoara Bd. V. Parvan No. 2 300223 Timisoara Romania Department of Automation and Applied Informatics Politehnica University of Timisoara Bd. V. Parvan No. 2 300223 Timisoara Romania

ISBN: (纸本)9789881701282

The nervous control of the cardiovascular system has been the subject of intensive research investigations during the last decades. This nervous control usually involves two or more nervous reflex mechanisms that act at the same time, increasing a lot the complexity of the system. Although many aspects are currently known regarding some reflex mechanisms (e.g. the baroreflex), others remain in a veil of uncertainties. This is the case of the vestibular- sympathetic reflex, which has not been characterized at a quantitative level yet. In this context, the aim of this paper is to take a first step in a quantitative model of the vestibular sympathetic reflex, by developing an interpolative model of the Vestibular Nucleus first. The model was built based on experimental data available in the literature. This interpolative model will allow a more thorough analysis of the dynamic behavior of the Vestibular Nucleus, and also a coupling with the output of the Vestibular receptors.

关键词： Cardiovascular system

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On the errors-in-variables extended kaiman filter

On the errors-in-variables extended kaiman filter

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IEEE International Joint Conferences on Computational Cybernetics and Technical informatics, ICCC-CONTI 2010

作者： Burnham, K.J. Vinsonneau, B. Precup, R.-E. Preitl, S. Control Theory and Applications Centre Coventry University Priory Street CVl 5FB Coventry United Kingdom Department of Automation and Applied Informatics Politehnica University of Timisoara Bd. V. Parvan 2 300223 Timisoara Romania

ISBN: (纸本)9781424474332

Motivation for this paper stems from the need to deal with systems in which uncertainty exists on the measured signals and in the parameters of an assumed system model of known structure, and/or where the LTI assumption no longer holds. The potential of the a approach presented here is demonstrated when it is applied to a system in the presence of both an imposed mismatch in the model parameters as well the case of time-varying parameters. The effectiveness of the new EIV-EKF procedure is compared with that of an EIV Kaiman Alter, and evaluated on both single-input single-output and multiple-input multiple-output systems. © 2010 IEEE.

关键词： MIMO systems

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Experimental verification of design methods for conventional PI/PID controllers

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WSEAS Transactions on Systems and control 2010年第5期5卷 269-280页

作者： Matušů, Radek Prokop, Roman Department of Automation and Control Engineering Faculty of Applied Informatics Tomas Bata University Nad Stráněmi 4511 76005 Zlín Czech Republic

The paper presents an experimental verification of conventional PI and PID controller design methods. Nine different synthesis techniques were used to control of airflow speed in laboratory model of hotair tunnel, most of them for both PI and PID version. In the first instance the controlled plant was identified in order to obtain a linear mathematical model and then the controllers were designed using studied methods. The controllers were tested in simulations and subsequently implemented under real conditions. The obtained control results have been compared and analyzed.

关键词： Three term control systems

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On the errors-in-variables extended Kalman filter

On the errors-in-variables extended Kalman filter

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International Conference on Computational Cybernetics (ICCC)

作者： K. J. Burnham B. Vinsonneau R.-E. Precup S. Preitl Control Theory and Applications Centre Coventry University Coventry UK Department of Automation and Applied Informatics Politehnica University Timisoara Timisoara Romania

ISBN: (纸本)9781424474325

Motivation for this paper stems from the need to deal with systems in which uncertainty exists on the measured signals and in the parameters of an assumed system model of known structure, and/or where the LTI assumption no longer holds. The potential of the a approach presented here is demonstrated when it is applied to a system in the presence of both an imposed mismatch in the model parameters as well the case of time-varying parameters. The effectiveness of the new EIV-EKF procedure is compared with that of an EIV Kalman filter, and evaluated on both single-input single-output and multiple-input multiple-output systems.

关键词： Additive noise MIMO Filtering Electronic mail Time varying systems Noise measurement automation informatics Automatic control Nonlinear filters

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