Wyniki wyszukiwania dla: control engineering, control system synthesis, programmable control, programmable logic devices, predictive control, adaptive control, optimal control, application software, system simulations, system verification

• Advanced Control With PLC—Code Generator for aMPC Controller Implementation and Cooperation With External Computational Server for Dealing With Multidimensionality, Constraints and LMI Based Robustness

  Publikacja

  • J. Tarnawski
  • P. Kudełka
  • M. Korzeniowski

  - IEEE Access - Rok 2022

  The manufacturers of Programmable Logic Controllers (PLC) usually equip their products with extremely simple control algorithms, such as PID and on-off regulators. However, modern PLCs have much more efficient processors and extensive memory, which enables implementing more sophisticated controllers. The paper discusses issues related to the implementation of matrix operations, time limitations for code execution within one PLC...

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• Wieloobszarowa regulacja systemu turbogeneratora elektrowni jądrowej =Multiregional control of nuclear power plant turbogenerator system

  Publikacja

  • P. Sokólski
  • K. Kulkowski
  • A. Kobylarz
  • K. Duzinkiewicz
  • T. A. Rutkowski
  • M. Grochowski

  - Zeszyty Naukowe Wydziału Elektrotechniki i Automatyki Politechniki Gdańskiej - Rok 2015

  W artykule przedstawiono propozycję zaawansowanej struktury sterowania układem turbogeneratora w szerokim zakresie zmian zapotrzebowania na moc czynną. Dla potrzeb syntezy tej struktury wykorzystano nieliniowe, dynamiczne modele turbiny parowej i generatora synchronicznego współpracującego z systemem elektroenergetycznym. Zaproponowane algorytmy sterowania oparte są odpowiednio o wieloobszarowe regulatory rozmyte, z lokalnymi regulatorami...

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• Research of electric drive systems with real time software configurable control

  Publikacja

  • A. Anuchin
  • G. Demidova
  • Y. Vagapov
  • R. Strzelecki

  - Science, Technology and Arts Research Journal - Rok 2020

  Предмет исследования. Представлен учебно-лабораторный стенд для исследования систем управления элек- троприводами. Стенд используется для обучения студентов системам управления электроприводами и предна- значен для повышения эффективности усвоения материала. Метод. В основу предлагаемого решения положен метод взаимного нагружения электрических машин, питаемых от силовых преобразователей с общим звеном постоянного тока. Это позволяет...

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• Synteza układu sterowania statkiem morskim dynamicznie pozycjonowanym w warunkach niepewności

  Publikacja

  • A. Witkowska

  - Rok 2019

  Niniejsza monografia obejmuje zagadnienia związane z syntezą układu dynamicznego pozycjonowania statku w środowisku morskim z zastosowaniem wybranych nieliniowych metod sterowania. W ramach pracy autorka rozważała struktury sterowania z zastosowaniem wektorowej adaptacyjnej metody backstep oraz metod jej pokrewnych, takich jak regulatory MSS (ang. multiple surface sliding), DSC (ang. dynamic surface control), NB (ang. neural backstepping)....

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• Synteza bezczujnikowego sterowania maszyną indukcyjną klatkową zasilaną z falownika prądu

  Publikacja

  • M. Morawiec

  - Rok 2016

  Synteza bezczujnikowego sterowania maszyną indukcyjną klatkową zasilaną z falownika prądu stanowi cel niniejszej monografii. Praca zawiera podstawowe informacje na temat modelowania układu napędowego z maszyną indukcyjną klatkową zasilaną z falownika prądu. Przedstawiono informacje na temat linearyzacji nieliniowych obiektów. Na pod-stawie metody syntezy strukturalnej opracowano nowe transformacje do postaci zmien-nych multiskalarnych,...

• Sterowanie predykcyjne i fuzja danych w systemie dynamicznego pozycjonowania statku

  Publikacja

  • K. Jaroś

  - Rok 2023

  Rozprawa doktorska poświęcona jest badaniu zastosowania fuzji danych oraz sterowania predykcyjnego w systemie dynamicznego pozycjonowania statku. W pierwszej części pracy przedstawiono historię rozwoju systemów dynamicznego pozycjonowania, różne metody estymacji położenia statku, metody sterowania oraz cel i tezę pracy. Następnie zaprezentowano model matematyczny statku, kinematykę oraz dynamikę. W kolejnej części przedstawiono...

• BEZCZUJNIKOWE STEROWANIE WOLNOOBROTOWYM SILNIKIEM PMSM Z KOMPENSACJĄ MOMENTU ZACZEPOWEGO

  Publikacja

  • J. Guziński
  • K. Łuksza
  • M. Morawiec
  • P. Strankowski
  • Z. Krzemiński

  - Zeszyty Naukowe Wydziału Elektrotechniki i Automatyki Politechniki Gdańskiej - Rok 2018

  W pracy przedstawiono propozycję rozwiązania problemu bezczujnikowego sterowania wolnoobrotową maszyną synchroniczną z magnesami trwałymi PMSM. Przedstawiono silnik PMSM, który zastosowano w stanowisku badawczym. Omówiono problem występowania tętnień momentu napędowego wynikający głównie ze znacznego momentu zaczepowego. Pokazano rozwiązanie kompensujące tętnienia momentu napędowego w silniku PMSM. Przygotowano procedurę startową...

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• Implementacja algorytmu regulacji predykcyjnej MPC w sterownikach programowalnych

  Publikacja

  • J. Tarnawski

  - Pomiary Automatyka Robotyka - Rok 2013

  Sterowniki programowalne PLC (ang. Programmable Logic Controllers) są główną przemysłową platformą implementacji algorytmów sterowania bezpośredniego. Standardowo producenci PLC udostępniają programistom jedynie podstawowe algorytmy sterowania. W niniejszym artykule rozważana jest implementacja w PLC zaawansowanej metody sterowania – algorytmu MAC/MPC (ang. Model Algorithmic Control/Model Predictive Control) ze względu na jego...

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• Power System Stabilizer as a Part of a Generator MPC Adaptive Predictive Control System

  Publikacja

  • P. Sokólski
  • T. A. Rutkowski
  • B. Ceran
  • D. Horla
  • D. Złotecka

  - ENERGIES - Rok 2021

  In this paper, a model predictive controller based on a generator model for prediction purposes is proposed to replace a standard generator controller with a stabilizer of a power system. Such a local controller utilizes an input-output model of the system taking into consideration not only a generator voltage Ug but also an additional, auxiliary signal (e.g., α, Pg, or ωg). This additional piece of information allows for taking...

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• Supervisory Control System for Adaptive Phase and Work Cycle Management of Sequencing Wastewater Treatment Plant

  Publikacja

  • P. Hirsch
  • R. Piotrowski
  • K. Duzinkiewicz
  • M. Grochowski

  - Studies in Informatics and Control - Rok 2016

  The paper presents the design of the integrated control system applied to Sequencing Batch Reactor (SBR) in a biological Wastewater Treatment Plant (WWTP) in Swarzewo, which operates under activated sludge technology. Based on the real data records, ASM2d biological processes model and aeration system model, hierarchical control system for dissolved oxygen tracking and cycle management is designed. Internal Model Controller (IMC)...

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• Employment of a Nonlinear Adaptive Control System for Improved Control of Dissolved Oxygen in Sequencing Batch Reactor

  Publikacja

  • M. Banach
  • M. Kolankowski
  • R. Piotrowski
  • T. Ujazdowski

  - Rok 2023

  A proper control in a complex system, such as Wastewater Treatment Plant (WWTP) with each year is becoming increasingly important. High quality control can minimize an environmental impact as well as reduce operational costs of the WWTP. One of the core issues is providing adequate dissolved oxygen (DO) concetration for microorganisms used in a treatment process. An aeration process of the wastewater realised by an system consisting...

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• Hierarchical predictive control of integrated wastewater treatment systems

  Publikacja

  • M. Brdyś
  • M. Grochowski
  • T. Gmiński
  • K. Konarczak
  • M. Drewa

  - CONTROL ENGINEERING PRACTICE - Rok 2008

  The paper proposes an approach to designing the control structure and algorithms for optimising control of integrated wastewater treatment plant-sewer systems (IWWTS) under a full range of disturbance inputs. The optimised control of IWWTS allows for significant cost savings, fulfilling the effluent discharge limits over a long period and maintaining the system in sustainable operation. Due to the specific features of a wastewater...

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• Nonlinear Fuzzy Control System for Dissolved Oxygen with Aeration System in Sequencing Batch Reactor

  Publikacja

  • R. Piotrowski
  • A. Skiba

  - Information Technology and Control - Rok 2015

  Biological processes at a wastewater treatment plant are complex, multivariable, time varying and nonlinear. Moreover, interactions between the components are very strong. Control of dissolved oxygen is one of most important task at the plant. The level of dissolved oxygen in aerobic tanks has significant influence on behaviour and activity of microorganisms at the plant. Air for aerated tanks is supplied by the aeration system...

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• Hybrid Approach to Networked Control System

  Publikacja

  • G. Ewald
  • M. Brdyś

  - Rok 2013

  Effcient control of Networked Control System (NCS) is a challenge, as the control methods need to deal with non-deterministic variable delays and data loss. This paper presents a novel hybrid approach to NCS where Model Predictive Control (MPC) is applied as a main controller and implicit switching MPC is used for data transmission control in event-driven shared communication medium, leading to complex control system with active...

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• Analysis the Parameters of the Adaptive Controller for Quality Control of Dissolved Oxygen Concentration

  Publikacja

  • R. Piotrowski
  • K. Błaszkiewicz
  • K. Duzinkiewicz

  - Information Technology and Control - Rok 2016

  The wastewater treatment plant can be considered a dynamic large scale complex system, in which the most important control parameter is the dissolved oxygen concentration in the aerobic zone. The air is supplied to this zone by the aeration system. In the paper, both the sequencing batch reactor and the aeration system are modelled and used as plant of control performed by the cascade nonlinear adaptive control system extended...

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• Cooperative control in production and logistics

  Publikacja

  • L. Monostori
  • P. Valckenaers
  • A. Dolgui
  • H. Panetto
  • M. Brdyś
  • B. Csáji

  - ANNUAL REVIEWS IN CONTROL - Rok 2015

  Classical applications of control engineering and information and communication technology (ICT) in production and logistics are often done in a rigid, centralized and hierarchical way. These inflexible approaches are typically not able to cope with the complexities of the manufacturing environment, such as the instabilities, uncertainties and abrupt changes caused by internal and external disturbances, or a large number and variety...

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• Implementation of Hierarchical Control of Drinking Water Supply System

  Publikacja

  • T. A. Rutkowski
  • J. Tarnawski
  • A. Cimiński

  - Rok 2017

  The paper presents the outline of the didactical project of a complex computer controlled system realized by the first degree students of the Automatics and Robotics on the Faculty of Electrical and Control Engineering (FoEaCE) in Gdansk University of Technology (GUT). The synthesis, implementation and analysis of a multilayer hierarchical control system for drinking water supply system (DWSS) are main topics of that project. The...

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• Novel hierarchical nonlinear control algorithm to improve dissolved oxygen control in biological WWTP

  Publikacja

  • R. Piotrowski
  • H. K. Sawicki
  • K. Żuk

  - JOURNAL OF PROCESS CONTROL - Rok 2021

  Wastewater treatment is a problem known to humankind for centuries. The quality of treated sewage determines the condition of reservoirs around the world. Control of such a complex and nonlinear system as a wastewater treatment plant requires thorough knowledge of the process. The paper presents a hierarchical control system of a Sequencing Batch Reactor (SBR) in Wastewater Treatment Plant (WWTP) taking into account a model based...

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• Agricultural products' storage control system

  Publikacja

  • S. Sieklicki
  • M. Kościuk
  • W. Sieklicki

  - Rok 2011

  The paper discusses the idea and the design of a remote control system for storage management of agricultural products which temperature may rise as the result of biological processes during the storage. An actual potatoes storehouse is discussed as an application for the proposed automation system. Because of existing buildings and infrastructure at the farm, wireless data transfer system has been proposed for communication between...

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• Voltage control in a power system with renewable sources of energy

  Publikacja

  • B. Tarakan
  • S. Czapp
  • K. Dobrzyński
  • R. Zajczyk
  • M. Sarnicki

  - Rok 2019

  Intensive development of distributed generation in power systems, caused by the European Union energy policy, gives possibility for improving safety in power delivery as well as optimizing the costs of the systems functioning. In this context, distributed generation can be used for voltage control in power systems – it can be performed by the control of reactive power of each source of energy or a group of energy sources. This...

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• Digital Control System of the Wavemaker in the Towing Tank

  Publikacja

  • M. Drzewiecki

  - Automatyka Elektryka Zakłócenia - Rok 2016

  The paper describes a digital control system of the rigid flap wavemaker in a towing tank in CTO S.A. Ship Design and Research Centre. The control system is based on an 8-bit AVR microcontroller and consists of two cascading PID controllers. The digital system replaced the previous analogue system from 1974 and has been integrated with the existing sensors and actuators of the wavemaker. The new control system allows to obtain...

• Greenhouse control system design

  Publikacja

  • K. Napierski

  - Rok 2022

  Coraz większa populacja i zmniejszające się tereny uprawne wymusza efektywniejsze metody uprawy roślin. Zaradzić temu mogą układu hydroponiczne, które dzięki rozwojowi techniki są w stanie osiągać znacznie większe oraz bardziej jednorodne plony. Jest to możliwe dzięki zaawansowanym systemom opartym na dokładnych urządzeniach pomiarowych, sterowaniu w zamkniętej pętli oraz mikrokontrolerom umożliwiającym...

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• Integrated monitoring, control and security of Critical Infrastructure Systems

  Publikacja

  • M. Brdyś

  - ANNUAL REVIEWS IN CONTROL - Rok 2014

  Modern societies have reached a point where everyday life relies heavily on desired operation of critical infrastructures, in spite of accidental failures and/or deliberate attacks. The issue of desired performance operation of CIS at high security level receives considerable attention worldwide. The pioneering generic methodologies and methods are presented in the paper project for designing systems capable of achieving these...

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• Hierarchical dissolved oxygen control for activated sludge processes

  Publikacja

  • R. Piotrowski
  • M. Brdyś
  • K. Konarczak
  • K. Duzinkiewicz
  • W. Chotkowski

  - CONTROL ENGINEERING PRACTICE - Rok 2008

  A hierarchical controller for tracking the dissolved oxygen reference trajectory in activated sludge processes is proposed and investigated. The removal of nitrogen and phosphorous from wastewater is considered. Typically, an aeration system itself is a complicated hybrid nonlinear dynamical system with faster dynamics compared to the internal dynamics of the dissolved oxygen in a biological reactor. It is a common approach to...

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• A new approach to designing control of dissolved oxygen and aeration system in sequencing batch reactor by applied backstepping control algorithm

  Publikacja

  • M. Kolankowski
  • M. Banach
  • R. Piotrowski
  • T. Ujazdowski

  - Acta Mechanica et Automatica - Rok 2023

  The Wastewater Treatment Plant (WWTP) is a very complex system, due to its nonlinearity, time-variance, and multiple time scales in its dynamics among others. The most important control parameter in a WWTP is the Dissolved Oxygen (DO) concentration. The tracking problem of the DO concentration is one of the most fundamental issues in biological wastewater treatment. Proper DO concentration control is necessary to achieve adequate...

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• Marine autonomous surface ship - control system configuration

  Publikacja

  • T. Zubowicz
  • K. Armiński
  • A. Witkowska
  • R. Śmierzchalski

  - IFAC-PapersOnLine - Rok 2019

  This paper addresses the problem of marine autonomous surface ship (MASS) control. The contribution of the paper is the development of a control system configuration, done assuming fully autonomous MASS operation under distinct operational conditions. The overview of hardware and software selection is included.

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• Supervised model predictive control of wastewater treatment plant

  Publikacja

  • M. Grochowski
  • T. A. Rutkowski

  - Rok 2016

  An optimizing control of a wastewater treatment plant (WWTP), allowing for cost savings over long time period and fulfilling effluent discharge limits at the same time, requires application of advanced control techniques. Model Predictive Control (MPC) is a very suitable control technology for a synthesis of such a truly multivariable controller that can handle constraints and accommodate model-based knowledge combined with hard...

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• PROGRAMMABLE YANG - BASED INTERFACE IN CONTROL OF OPTICAL TRANSPORT NETWORK

  Publikacja

  • A. Potrykus
  • R. Szwedowski
  • P. Kaczmarek
  • S. Kaczmarek

  - Przegląd Telekomunikacyjny + Wiadomości Telekomunikacyjne - Rok 2018

  Since over a decade we observe intensive effort of research institutions and industrial consortia on extending flexibility and automation of the transport network control also known under the term network programmability. Key aspect of each programming interface is ability to evolve but also sensitivity to future modifications. As indicated in the past work in the specific context of optical transport networks an important criterion...

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• Sensorless Control of Induction Machine Supplied by Current Source Inverter

  Publikacja

  • M. Morawiec

  - ASIAN JOURNAL OF CONTROL - Rok 2015

  The paper describes the voltage control technique of induction machines supplied by a current source inverter. The control system is based on proposed new multi-scalar variables, which are named “r.” The control system contains the output filter capacitor's model. In the sensorless control system the Z type backstepping speed observer was applied. The mathematical dependences are confirmed by simulation and experimental research.

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• The structure of the control system for a dynamically positioned ship

  Publikacja

  • R. Śmierzchalski

  - Rok 2016

  The article discusses functions and tasks of dynamic positioning (DP) systems for ships. The analysed issues include ship steering, in particular stabilisation of ship position and direction of motion (real course) at low manoeuvring speeds, and commonly used DP ship models. Requirements imposed by classification societies on DP ships are quoted. A multi-layer structure of the DP control system is presented, with special attention...

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• Advanced Control Structures of Turbo Generator System of Nuclear Power Plant

  Publikacja

  • P. Sokólski
  • K. Kulkowski
  • A. Kobylarz
  • K. Duzinkiewicz
  • T. A. Rutkowski
  • M. Grochowski

  - Acta Energetica - Rok 2015

  In the paper a synthesis of advanced control structures of turbine and synchronous generator for nuclear power plant working under changing operating conditions (supplied power level) is presented. It is based on the nonlinear models of the steam turbine and synchronous generator cooperating with the power system. Considered control structure consists of multi-regional fuzzy control systems with local linear controllers, including...

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• Advanced Control Structures of Turbo Generator System of Nuclear Power Plant

  Publikacja

  • P. Sokólski
  • K. Kulkowski
  • A. Kobylarz
  • K. Duzinkiewicz
  • T. A. Rutkowski
  • M. Grochowski

  - Rok 2015

  In the paper a synthesis of advanced control structures of turbine and synchronous generator for nuclear power plant working under changing operating conditions (supplied power level) is presented. It is based on the nonlinear models of the steam turbine and synchronous generator cooperating with the power system. Considered control structure consists of multi-regional fuzzy control systems with local linear controllers, including...

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• An Automatic Self-Tuning Control System Design for an Inverted Pendulum

  Publikacja

  • M. Waszak
  • R. Łangowski

  - IEEE Access - Rok 2020

  A control problem of an inverted pendulum in the presence of parametric uncertainty has been investigated in this paper. In particular, synthesis and implementation of an automatic self-tuning regulator for a real inverted pendulum have been given. The main cores of the control system are a swing-up control method and a stabilisation regulator. The first one is based on the energy of an inverted pendulum, whereas the second one...

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• Multiregional PI control strategy for dissolved oxygen and aeration system control at biological wastewater treatment plant

  Publikacja

  • R. Piotrowski
  • A. Zawadzki

  - Rok 2012

  The dissolved oxygen is a key parameter for biological processes at wastewater treatment plant. The dissolved oxygen tracking problem is one of the most complex and fundamental issue of biological processes. The paper proposes a new multiregional control strategy for dissolved oxygen tracking problem. The aeration system is included in overall control structure. The control mechanism within the operating point area is based on...

• Optimizing control by robustly feasible model predictive control and application to drinking water distribution systems

  Publikacja

  • N. T. Vu
  • M. Brdyś

  - Journal of Artificial Intelligence and Soft Computing Research - Rok 2011

  The paper considers optimizing Model Predictive Control (MPC) for nonlinear plants with output constraints under uncertainties. Although the MPC technology can handle the constraints in the model by solving constraint model based optimization task, satisfying the plant output constraints under the model uncertainty still remains a challenge. The paper proposes Robustly Feasible MPC (RFMPC), which achieves feasibility of the outputs...

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• Integrated Control in High-Speed Networks Using Constrained Model Predictive Control

  Publikacja

  • M. Brdyś
  • .. Mwandosya
  • M. Sekela

  - Rok 2013

  This paper studies congestion control in high-speed communication networks using Model Predictive Control (MPC). Network traffic is assumed to consist of best-effort and priority traffic sources. An integrated controller consisting of two control parts is designed. The controller calculates the capacity for priority sources and the input rate of best-effort sources. MPC is desirable as it can take into account the constraints on...

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• VIBRATION SURVEILLANCE DURING MILLING OF FLEXIBLE DETAILS WITH A USE OF THE ACTIVE OPTIMAL CONTROL

  Publikacja

  • M. Galewski
  • M. Chodnicki
  • K. J. Kaliński

  - Journal of Low Frequency Noise Vibration and Active Control - Rok 2013

  The main goal of modern machining operations is to achieve increasingly better performance. High Speed Machining and/or High Performance Cutting, despite a lot of advantages, have also some drawbacks, for example, a possibility of losing stability and development of self-excited chatter vibration. This paper presents an approach of vibration surveillance during high speed milling with a use of active optimal control. Non-stationary...

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• Application of artificial intelligence into/for control of flexible manufacturing cell

  Publikacja

  • A. T. Wiśniewska
  • W. Przybylski

  - Rok 2007

  The application of artificial intelligence in technological processes control is usually limited. One problem is how to respond to changes in the environment of manufacturing system. A way to overcome the above shortcoming is to use fuzzy logic for representation of the inexact information. In this paper fundamentals of artificial intelligence and fuzzy logic are introduced from a theoretical point of view. Still more the fuzzy...

• Power System Dynamics. Stability and Control. 3rd edition

  Publikacja

  • J. Machowski
  • Z. Lubośny
  • J. Białek
  • J. Bumby

  - Rok 2020

  Comprehensive, state-of-the-art review of information on the electric power system dynamics and stability. It places the emphasis first on understanding the underlying physical principles before proceeding to more complex models and algorithms. The book explores the influence of classical sources of energy, wind farms and virtual power plants, power plants inertia and control strategy on power system stability. The book cover...

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• Designing control strategies of aeration system in biological WWTP

  Publikacja

  • R. Piotrowski
  • T. Ujazdowski

  - ENERGIES - Rok 2020

  The paper presents the complete design processes of a novel aeration control systems in the SBR (Sequencing Batch Reactor) wastewater treatment plant (WWTP). Due to large energy expense and high influence on biological processes, the aeration system plays a key role in WWTP operation. The paper considers the aeration system for a biological WWTP located in the northeast of Poland. This system consists of blowers, the main collector...

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• Factors determining selection of production planning and control system

  Publikacja

  • J. Łopatowska

  - Rok 2013

  The article contains a comparative characteristics of selected systems of production planning and control, such as: MRP, kanban/JiT, DBR/TOC. The results of the performed analyses served as a basis for determining key market factors related to production planning and control functions, which determine the choice of an appropriate system.

• Genetic Hybrid Predictive Controller for Optimized Dissolved-Oxygen Tracking at Lower Control Level

  Publikacja

  • K. Duzinkiewicz
  • M. Brdyś
  • W. Kurek
  • R. Piotrowski

  - IEEE TRANSACTIONS ON CONTROL SYSTEMS TECHNOLOGY - Rok 2009

  A hierarchical two-level controller for dissolvedoxygenreference trajectory tracking in activated sludge processeshas been recently developed and successfully validated on a realwastewater treatment plant. The upper level control unit generatestrajectories of the desired airflows to be delivered by theaeration system to the aerobic zones of the biological reactor. Anonlinear model predictive control algorithm is applied to designthis...

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• Gesture-based computer control system applied to the interactive whiteboard

  Publikacja

  • M. Lech
  • B. Kostek

  - Zeszyty Naukowe Wydziału ETI Politechniki Gdańskiej. Technologie Informacyjne - Rok 2010

  In the paper the gesture-based computer control system coupled with the dedicated touchless interactive whiteboard is presented. The system engineered enables a user to control any top-most computer application by using one or both hands gestures. First, a review of gesture recognition applications with a focus on methods and algorithms applied is given. Hardware and software solution of the system consisting of a PC, camera, multimedia...

• Gesture-based computer control system applied to the interactive whiteboard

  Publikacja

  • M. Lech
  • B. Kostek

  - Rok 2010

  In the paper the gesture-based computer control system coupled with the dedicated touchless interactive whiteboard is presented. The system engineered enables a user to control any top-most computer application by using one or both hands gestures. First, a review of gesture recognition applications with a focus on methods and algorithms applied is given. Hardware and software solution of the system consisting of a PC, camera, multimedia...

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• Control System Design for Dynamic Positioning using Vectorial Backstepping

  Publikacja

  • A. Witkowska

  - Zeszyty Naukowe Akademii Morskiej w Szczecinie - Rok 2013

  The problem of synthesis a dynamic positioning system for low frequency model of surface vessel was considered in this paper. The recursive vectorial backstepping control design was used to keep a fixed position and heading in presence of wave disturbances. The passive observer was introduced to smooth the measurements and to estimate the velocities needed for the control algorithm. The computer simulation results were given to...

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• Simple stable discrete-time generalised predictive control with anticipated filtration of control error

  Publikacja

  • Z. Kowalczuk
  • P. Suchomski

  - CONTROL AND CYBERNETICS - Rok 2002

  Praca dotyczy uogólnionego sterowania predykcyjnego w czasie dyskretnym z antypacyjną filtracją błędu sterowania. Pokazano, iż przy spełnieniu pewnych warunków rozwiązanie problemu syntezy optymlanego regulatora predykcyjnego zawsze istnieje oraz prowadzi do stabilnego zamkniętego układu sterowania o określonych własnościach dynamicznych. W pracy rozważano także problem syntezy regulatora predykcyjnego dla modeli sterowania obiektów...

• Optimizing Control by Robustly Feasible Model Predictive Control and Application to Drinking Water Distribution Systems

  Publikacja

  • V. N. Tran
  • M. Brdyś

  - Rok 2009

  The paper considers optimizing Model Predictive Control (MPC) for nonlinear plants with output constraints under uncertainties. Although the MPC technology can handle the constraints in the model by solving constraint model based optimization task, satisfying the plant output constraints still remains a challenge. The paper proposes Robustly Feasible MPC (RFMPC), which achieves feasibility of the outputs in the controlled plant....

• Two-Level Multivariable Control System of Dissolved Oxygen Tracking and Aeration System for Activated Sludge Processes

  Publikacja

  • R. Piotrowski

  - WATER ENVIRONMENT RESEARCH - Rok 2015

  The problem of tracking dissolved oxygen is one of the most complex and fundamental issues related to biological processes. The dissolved oxygen level in aerobic tanks has significant influence on behaviour and activity of microorganism inhabiting the plant. Aerated tanks are supplied with air from an aeration system (blowers, pipes, throttling valves, diffusers). It is a complex dynamic system governed by nonlinear hybrid dynamics....

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• Robust Model Predictive Control for Autonomous Underwater Vehicle – Manipulator System with Fuzzy Compensator

  Publikacja

  • H. Nejatbakhsh Esfahani

  - Polish Maritime Research - Rok 2019

  This paper proposes an improved Model Predictive Control (MPC) approach including a fuzzy compensator in order to track desired trajectories of autonomous Underwater Vehicle Manipulator Systems (UVMS). The tracking performance can be affected by robot dynamical model uncertainties and applied external disturbances. Nevertheless, the MPC as a known proficient nonlinear control approach should be improved by the uncertainty estimator...

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• Sensorless predictive control of three-phase parallel active filter

  Publikacja

  • D. Wojciechowski
  • R. Strzelecki

  - Rok 2007

  The paper presents the control system of parallel active power filter (APF) with predictive reference current calculation and model based predictive current control. The novel estimator and predictor of grid emf is proposed for AC voltage sensorless operation of APF, regardless of distortion of this voltage. Proposed control system provides control of APF current with high precision and dynamics limited only by filter circuit parameters....

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