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4th International Conference on Manufacturing engineering, Quality and Production Systems, MEQAPS'11

作者： Blaho, Michal Mrafko, Leo Urban, Martin Murgaš, Ján Institute of Control and Industrial Informatics Faculty of Electrical Engineering and Information Technology Slovak University of Technology Ilkovičova 3 812 19 Bratislava Slovakia

ISBN: (纸本)9781618040312

Distributed control systems have been one of the most studied and challenging areas in control. Networked control systems (NCS) have become interesting research subject in field of distributed control systems over last decade. Many papers focused mainly on theoretical part of NCS and lots of algorithms have been designed. There is lack of practical applications, which deals with concrete implementation of NCS. In this paper we present NCS that was designed using PROFINET and IWLAN technologies. We connected two PLC modules through PROFINET as well as IWLAN and realized simple identification and control of simple DC motor.

关键词： Networked control systems

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Application of noninteracting control problem to coupled tanks

Application of noninteracting control problem to coupled tan...

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13th International Conference on Computer Aided Systems Theory, EUROCAST 2011

作者： Halás, Miroslav Žilka, Vladimír Institute of Control and Industrial Informatics Faculty of Electrical Engineering and Information Technology Slovak University of Technology Ilkovičova 3 812 19 Bratislava Slovakia

ISBN: (纸本)9783642275784

Mathematical technicalities involved in the modern theory of nonlinear control systems often prevent a wider use of the impressive theoretical results in practice. Attempts to overlap this gap between theory and practice are usually more than welcome and form the main scope of our interest in this work. In particular, the noninteracting control problem of coupled tanks is studied. The problem is solved via regular static state feedback. It is shown that the theoretical solution to the noninteracting control problem for coupled tanks does not satisfy practical control requirements. Accordingly, the solution is modified and yields a nonlinear controller with the noninteracting control. The results are verified on the real plant. © 2012 Springer-Verlag.

关键词： State feedback

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EMMIHS-2, the second EuroMoonMars IMA HI-SEAS 2019 campaign: Simulated moonbase outlook and outcomes - An engineering perspective 71

EMMIHS-2, the second EuroMoonMars IMA HI-SEAS 2019 campaign:...

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71st International Astronautical Congress, IAC 2020

作者： Nunes, Ana Paula C.P. Musilova, Michaela Foing, Bernard United States Institute of Robotics and Cybernetics Faculty of Electrical Engineering and Information Technology STU Bratislava Slovakia Bratislava Slovakia Leiden University Netherlands Vrije Universiteit Amsterdam Netherlands

The EuroMoonMars IMA HI-SEAS 2019 campaigns (EMMIHS) are field research campaigns with the purpose to conduct scientific experiments and test technological instruments relevant to space exploration and extra-terrestrial habitation. The team for the second edition of this campaign consisted of six crewmembers, based at the Hawaii Space Exploration Analog and Simulation (HI-SEAS) habitat with support from the Mission control Centre (MCC), based at the Blue Planet Research Lab in Hawaii, and remote support based at EuroMoonMars ESA/ESTEC in Noordwijk, the Netherlands. During the two-week Moon simulation and isolation mission (from the 8th to the 22nd of December 2019) at the HI-SEAS habitat, located in an isolated environment on the slopes of the Mauna Loa volcano on the Big Island of Hawaii, the EMMIHS-II crew performed various research in the space exploration field, such as the study of the radiation in locally-grown food, geological and drone surveys, architectural studies, lava tube exploration, and space technology testing. Based on results from previous missions, it was established that at least two crewmembers serving as engineers with strong analytical, troubleshooting and hands-on technical skills is vital for the mission's success. The crew engineer is responsible for various time-consuming tasks during the mission ensuring nominal operations and the maintenance of the EVA (extra-vehicular activity)) equipment (EVA suits, life support systems, the communication network, and devices;the habitat equipment (power systems, solar panels, inverters, batteries, generators, weather stations, surveillance systems, heating systems, and the network communication systems). The crew engineer is also responsible for supporting other crew members' research projects if needed. This paper will deliver an overview of the crew engineer's routine and will present the challenges and outcomes of the mission and its activities from an engineering perspective. The outcomes and feed

关键词： Space research

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New Grid for Particle Filtering of Multivariable Nonlinear Objects

New Grid for Particle Filtering of Multivariable Nonlinear O...

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Federated Conference on Computer Science and information Systems

作者： Piotr Kozierski Jacek Michalski Talar Sadalla Wojciech Giernacki Joanna Zietkiewicz Szymon Drgas Faculty of Computing Institute of Automation and Robotics Division of Signal Processing and Electronic Systems Poznan University of Technology Faculty of Electrical Engineering Institute of Control Robotics and Information Engineering Division of Control and Robotics Poznan University of Technology

ISBN: (纸本)9781538623718

In the paper a new grid (potentially linear, nonlinear and even semi-Markovian jump system) was presented. All transition and measurement functions were proposed. Moreover, the transition functions of two types were considered - dependent on one and many different state variables. Also 10 types of measurements were proposed for both nodal and branch cases. Based on the obtained results one can see, which measurement functions are "easy", and which are "hard" for state estimation task.

关键词： Measuring Function Particle filters grids Grid State variable Multivariable nonlinearity

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Scheduling for Re-entrant Hybrid Flowshop Based on Wolf Pack Algorithm

Scheduling for Re-entrant Hybrid Flowshop Based on Wolf Pack...

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2018 International Conference on Advanced Materials, Intelligent Manufacturing and Automation, AMIMA 2018

作者： Han, Zhonghua Tian, Xutian Ma, Xiaofu Lin, Shuo Faculty of Information and Control Engineering Shenyang Jianzhu University Liaoning110168 China Digital Factory Department Shenyang Institute of Automation CAS Shenyang110016 China Information and Control Engineering Faculty Shenyang Jianzhu University Liaoning110168 China Department of Electrical and Computer Engineering Virginia Tech BlacksburgVA24060 United States

In order to solve the scheduling problems of Re-entrant Hybrid Flowshop (RHFS), this paper investigates the mathematical programming model of RHFS, and proposes the wolf pack based algorithm (WPA) as a global optimization method. Multi-Sticking Crape Masking procedure scheduling problems in painting workshop of a bus manufacturing enterprise are of typical features of RHFS. We regard it as an application objective of the proposed algorithm, applying WPA and multiple evolutionary algorithms to solve the problems. The results show that the algorithm can solve re-entrant scheduling problems of hybrid flowshop more effectively compared with other conventional methods. © Published under licence by IOP Publishing Ltd.

关键词： Global optimization

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System Identification and Position control of Pneumatic Actuator 9

System Identification and Position Control of Pneumatic Actu...

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9th IEEE International Conference on Smart Instrumentation, Measurement and Applications, ICSIMA 2023

作者： Lababidi, Sami Ibad Sahlan, Shafishuhaza Muftah, Mohamed Naji Faudzi, Ahmad LAthif Mohd Ali, Fuead Universiti Teknologi Malaysia Faculty of Electrical Engineering Control Mechatronics and Engineering Department Skudai. Johor Malaysia University Kuala Lumpur Malaysian Institute of Information Technology Kuala Lumpur Malaysia

ISBN: (纸本)9798350343380

In this paper, to improve the system's performance for precise control of the developed pneumatic cylinder model, a proportional-integral-derivative (PID) controller is designed. The paper demonstrates that by using the obtained mathematical model and implementing the PID controller through the developed human-machine interface (HMI) in MATLAB, precise position control of the pneumatic actuator can be achieved, overcoming the challenges posed by the nonlinear behaviour of pneumatic actuators and leading to improved system performance in various industrial industrial applications. The PID model was optimized using both the Auto tuning and Ziegler-Nichols tuning methods, resulting in the best performance with response times of 0.534 seconds (Ts), 0.375 seconds (Tr), and an overshoot of 0.0799% (OS%). © 2023 IEEE.

关键词： Three term control systems

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Modeling and Planar Trajectory Tracking control of an MJ-AUV 42

Modeling and Planar Trajectory Tracking Control of an MJ-AUV

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42nd Chinese control Conference, CCC 2023

作者： Omar, Zakarya Liu, Ke-Xian Ren, Chao Meng, Qing-Hao Institute of Robotics and Autonomous Systems School of Electrical and Information Engineering Tianjin University Tianjin Key Laboratory of Intelligent Unmanned Swarm Technology and System Tianjin300072 China Sana'a University Faculty of Engineering Sana'a Yemen

ISBN: (纸本)9789887581543

A Multi-Joint Autonomous Underwater Vehicle (MJ-AUV) is designed and equipped with multiple movable segments or joints that allow for greater maneuverability and flexibility in the water. These joints allow the MJ-AUV to change its shape, orientation, and direction of movement, so it can access tight spaces or navigate in complex underwater environments, making it useful for a variety of tasks in the deep sea, such as surveillance, exploration, and maintenance. However, the multiple joint structure of the MJ-AUV complicates the dynamics of the system. Furthermore, the joints' rotation causes misalignment of the cabins, causing deviations in the desired forces and torques. To address these issues, this study focuses on the 2-dimensional (2D) modeling as well as the trajectory tracking controller of the MJ-AUV. In this setting, the proposed controller utilizes a hierarchically structured robust nonlinear back-stepping and sliding-mode approach. Hence, this controller is simulated under various uncertainties and disturbances and the results show that it presents a global finite-time convergence to a bounded neighborhood of the origin for both position and velocity tracking errors, demonstrating its effectiveness and robustness. © 2023 Technical Committee on control Theory, Chinese Association of Automation.

关键词： Autonomous underwater vehicles

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Stability analysis and stabilization of discretized uncertain spatially interconnected systems 27

Stability analysis and stabilization of discretized uncertai...

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27th International Conference on Methods and Models in Automation and robotics, MMAR 2023

作者： Sulikowski, Bartlomiej Galkowski, Krzysztof Hladowski, Lukasz Kummert, Anton Velten, Joerg University of Zielona Góra Institute of Control and Computation Engineering Zielona Góra Poland University of Zielona Góra Institute of Automation Electronic and Electrical Engineering Zielona Góra Poland University of Wuppertal Faculty of Electrical Information and Media Engineering Wuppertal Germany

ISBN: (纸本)9798350311075

In this paper spatially interconnected (ladder) systems have been discussed. First, the multidimensional, in that case, 2D - continuous in time and discrete in the spatial variable, has been introduced. Next, the temporal dynamics has been discretized, which has allowed to create the general, discrete model for the system dynamics. It has been assumed that system elements are the subject of uncertainty of the norm bounded form. Finally, robust stability testing and robust stabilizing controller design conditions have been proposed and its effectiveness is illustrated by an simulation example. © 2023 IEEE.

关键词： Stabilization

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Design of an autonomous control for parallel-connected uninterruptible power supplies

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IEEJ Transactions on Industry Applications 2006年第4期126卷 444-452+11页

作者： Sato, Eduardo Kazuhide Kawamura, Atsuo Division of Advanced Physics Electrical and Computer Engineering Yokohama National University 79-5 Tokiwadai Hodogaya-ku Yokohama 240-8501 Japan IEICE Japan IEEE Japan Department of Electrical and Computer Engineering Yokohama National University Yokohama Japan Robotics Society of Japan Japan Institute of Electronics Information and Communication Engineers Japan Society of Instrument and Control Engineering Japan Yokohama National University Japan

This paper proposes an autonomous control for parallel-connected uninterruptible power supply (UPS) systems based on electrical power system interrelations. The controllable variables are the output voltage phase angle and magnitude. Relation between active current and output voltage phase angle is derived from a synchronous machine model. electrical power systems suggest that voltage regulation and reactive current can be proportionally related to yield another control equation. The resulted control scheme is very simple and only requires an output current measurement to provide a voltage reference signal locally in synchronism with other UPSs without communication signal exchange. A small-signal model represents the entire system and constitutes proof of its stability. Feasibility is confirmed by an experimental setup with three UPSs connected in parallel with different output power ratings. In the experiments, voltage limiters (1%) are employed and three cases are verified. Under all conditions, the results show excellent performance in terms of stability, and active and reactive load sharing.

关键词： Uninterruptible power systems

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Neuro-Evolution of Frequency controllers in the Power-Electricity System Island

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IFAC-PapersOnLine 2024年第9期58卷 49-54页

作者： Filip Zúbek Martin Ernek Ivan Kenický Ivan Sekaj Institute of Robotics and Cybernetics Faculty of Electrical Engineering and Information Technology The Slovak University of Technology in Bratislava Slovakia

We present a methodology for designing frequency controllers in a power-electricity isolated island that is based on artificial neural networks (ANN). A less commonly employed machine learning approach based on neuro-evolution (NE) is proposed for learning the ANN, demonstrating its efficiency in dynamic system control. The power-electricity island consists of four water turbogenerators, two steam-gas cycle units, one nuclear unit, a distribution network, and consumers. The proposed architecture of neural controllers and the NE-based learning method, using a genetic algorithm, is described. The results are compared with commonly used PI controllers using different criteria functions. The comparison shows that the proposed approach achieves significantly better control performance compared to the conventional approach using PI controllers.

关键词： Artificial neural network continuous-time control frequency control genetic algorithm isolated island neuro-controller neuro-evolution PI controllers power-electricity system

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