Search results for: SHAPE CONTROL, STRESS CONTROL, ACTUATION, OPTIMIZATION

• Fuzzy logic for control Peltier module

  Publication

  • E. Sadowski
  • T. Marek
  • R. Pniewski
  • R. Kowalik

  - Autobusy. Technika, Eksploatacja, Systemy Transportowe - Year 2018

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• The construction and use of a PCR internal control

  Publication

  • P. Sachadyn
  • J. Kur
  • P. Sachadyn

  - MOLECULAR AND CELLULAR PROBES - Year 1998

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• Personality Type and Neural Circulatory Control

  Publication

  • K. Schroeder
  • K. Narkiewicz
  • M. Kato
  • C. Pesek
  • B. Phillips
  • D. Davison
  • V. Somers

  - HYPERTENSION - Year 2000

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• Pests of Agricultural Crops and Control Measures

  Publication

  • B. Sawicka
  • C. Egbuna

  - Year 2020

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• The control system of the yeast drying process

  Publication

  • P. Wolszczak
  • W. Samociuk

  - MATEC Web of Conferences - Year 2018

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• Control of five-phase induction motor

  Publication

  • P. Stec

  - Year 2011

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• Evaluation of change in planning and control process

  Publication

  • J. Łopatowska

  - Year 2010

  Specyfikacja kryteriów i obszarów system pomiaru i oceny zmiany procesu planowania i sterowania oraz przypisanie kluczowych wskaźników poszczególnym obszarom stanowi podstawowy cel rozdziału. Wybrane wskaźniki umożliwiają ocenę cząstkowych efektów zmian w procesie planowania i sterowania. Dokonanie kompleksowej oceny wymaga budowy modelu oceny efektywności zmian w procesie planowania i sterowania. Jego ogólne założenia zostały...

• Indirect control over subordinate units

  Publication

  • B. Jakusz
  • P. Kulesza
  • M. Wójcik

  - Year 2012

  Developing a game universe usually involves creation of various units which can be both, encountered by a player or controlled by him. There is a number of works considering autonomous behaviours of units wandering around the game world. When it comes to the units controlled by the player, they often are lack of autonomy and are strictly controlled by the player. This paper presents a concept of units behaviour depending on their...

• Factors of change in the planning and control process

  Publication

  • J. Łopatowska

  - Year 2009

  Zmianom podlegajš wszystkie procesy realizowane w organizacji, również proces planowania i sterowania. W rozdziale przedstawiono klasyfikację czynników zmiany tego procesu i scharakteryzowano poszczególne rodzaje czynników. Przedstawiono również ogólne wytyczne dla procesu identyfikacji i pomiaru czynników zmiany procesu planowania i sterowania. Zaprezentowano też przykładowe mierniki czynników zmiany, zgodne z atrybutami modelu...

• Displacement control in PWK-type pumps

  Publication

  • L. Osiecki
  • P. Śliwiński

  - Year 2009

  W referacie zaprezentowano konstrukcję mechanizmu sterowania wydajnością zastosowanego w pompach z rozrządem krzywkowym typu PWK. Przedstawiono wyniki wstępnych badań prototypu PWKZ-78 oraz komputerową analizę zjawisk zachodzących w komorze cylindrowej pompy.

• Displacement control in PWK-type pumps

  Publication

  • P. Śliwiński
  • L. Osiecki

  - Year 2010

  The most important, strategic goal however is creation of the variable displacement version of the new pump PWK. Thanks to full discharge of it's commutation mechanism from hydrostatic forces the variable pump can be directly controlled by low-energy actuator like proportional electromagnet or stepping motor. It means that costly and complicated hydraulic servomechanism (applied in all present variable displacement pumps) is no...

• Gesture-based computer control system

  Publication

  • M. Lech
  • B. Kostek
  • A. Czyżewski
  • P. Odya

  - Elektronika : konstrukcje, technologie, zastosowania - Year 2010

  In the paper a system for controlling computer applications by hand gestures is presented. First, selected methods used for gesture recognition are described. The system hardware and a way of controlling a computer by gestures are described. The architecture of the software along with hand gesture recognition methods and algorithms used are presented. Examples of basic and complex gestures recognized by the system are given.

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• INDIRECT CONTROL OVER SUBORDINATE UNITS

  Publication

  • B. Jakusz
  • P. Kulesza
  • M. Wójcik

  - Zeszyty Naukowe Wydziału ETI Politechniki Gdańskiej. Technologie Informacyjne - Year 2014

  Developing a game universe usually involves creation of various units which can be both, encountered by a player or controlled by him. There is a number of works considering autonomous behaviors of units wandering around the game world. When it comes to the units controlled by the player, they are often deprived of autonomy and are strictly controlled by the player. This paper presents a concept of units behavior depending on their...

• Simple SIR models with Markovian control

  Publication

  • K. Bartoszek
  • W. Bartoszek
  • M. Krzemiński

  - Japanese journal of statistics and data science - Year 2021

  We consider a random dynamical system, where the deterministic dynamics are driven by a finite-state space Markov chain. We provide a comprehensive introduction to the required mathematical apparatus and then turn to a special focus on the susceptible-infected-recovered epidemiological model with random steering. Through simulations we visualize the behaviour of the system and the effect of the high-frequency limit of the driving...

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• Quality control in flexible manufacturing cell.

  Publication

  • A. T. Wiśniewska

  - Year 2004

  Publikacja dotyczy procesu produkcyjnego w środowisku komputerowo zintegrowanego wytwarzania. Ukazuje ona aspekty kontroli jakości wykonania części na różnych etapach procesu wytwórczego. W celu dokonania szczegółowej analizy problemu zebrano dane o jakości wykonania części na poszczególnych poziomach wytwarzania. Analizy dowiodły, że jakość wykonania części zależy od jakości użytych narzędzi a sterowanie nią wymaga optymalizacj...

• System for control of the saw tooth geometry.

  Publication

  • R. Wasielewski
  • K. Orłowski

  - Year 2004

  W pracy przedstawiono sposób i urządzenie do sprawdzania geometrii ostrzy pił tarczowych z wykorzystaniem komputerowej rejestracji obrazów ostrzy i ich obróbką cyfrową.

• Decision control of the combustion engines operation.

  Publication

  • J. Girtler

  - Year 2004

  W artykule przedstawiono propozycję decyzyjnego sterowania procesem eksploatacji silników spalinowych z zastosowaniem modelu tego procesu w formie decyzyjnego (sterowanego) procesu semimarkowskiego. Przedstawiono silnik spalinowy jako obiekt sterowania.Zwrócono uwagę na potrzebę jednoczesnego sterowania procesem zmian stanów technicznych i eksploatacyjnych silników. Zasygnalizowano także znaczenie diagnostyki technicznej w tego...

• Advantages of adaptive control in LP turbines.

  Publication

  • P. Lampart
  • R. Puzyrewski

  - Year 2004

  W pracy przedstawiono wyniki obliczeń numerycznych dla ostatniego stopnia turbiny parowej, w którym kierownica posiadała mozliwośc adaptacji do zmiennego ciśnienia w kondensatorze. Adaptacyjność uzyskiwano porzez zmianę kąta ustawienia ruchomej krawędzi spływu (lotki) kierownicy. Wykazano korzysny wpływ tego typu regulacji zarówno na sprawność ostatniego stopnia jak i stopni poprzedzających.

• Control of the cultivation of cartilages for using in the biobearings.

  Publication

  • M. H. Ghaemi

  - Year 2004

  Biotribologiczne charakterystyki biołożysk są zależne od procesu hodowli żywej tkanki chrząstki w bioreaktorze. Z kolei proces ten, jest wielowymiarowym procesem dynamicznym sterowanym za pomocą odpowiedniego układu automatycznej regulacji. Praca przedstawia prawo i algorytm sterowania takiego procesu. W tym celu zastosowano sztuczne sieci neuronowe (Artificial Neural Networks - ANN) i zaprezentowano wyniki obliczeń.

• An adaptive fuzzy excitation control for turbogenerators.

  Publication

  • H. Tiliouine

  - Year 2004

  Opracowano rozmyty układ regulacji turbogeneratora. Układ ten spełnia dwie funkcji: utrzymanie napięcia generatora synchronicznego do poziomu zadanego i tłumienia kołysań elektromechanicznych. Parametry rzomytego układu sterowania optymalizowano z wykorzystaniem algorytmów genetycznych.

• Iterative Algorithms for Multilayer Optimizing Control

  Publication

  • M. Brdyś
  • P. Tatjewski

  - Year 2005

  Monografia przedstawia struktury, koncepcje i algorytmy dla wielowarstwowego sterowania optymalizującego procesami przemysłowymi będące w przeważającym stopniu wynikiem badań prowadzonych przez jej autorów. Metodologie i algorytmy sterowania są starannie ilustrowane wynikami symulacji dla wybranych przykładowych systemów. Oprócz tego przedstawione są zastosowania do realnych obiektów przemysłowych: kolumny destylacyjnej etyliny,...

• Flow Control Algorithm for UMTS HSDPA

  Publication

  • P. Matusz
  • J. Woźniak

  - Year 2005

  HSDPA (High Speed Downlink Packet Access) jest istotnym etapem ewolucji systemu UMTS. Pozwala na transmisję do użytkownika z prędkością dochodzącą do 14.4 Mbit/s; aby to umożliwić, wprowadzono w wersji 5 UMTS szereg nowych mechanizmów w warstwie fizycznej oraz MAC. W tej pracy przedstawiono szczegółową analizę jednego z nowych mechanizmów - algorytmu kontroli natężenia ruchu między MAC-hs i MAC-d. Zaproponowano nowy, efektywny...

• Visual Content Learning in a Cognitive Vision Platform for Hazard Control (CVP-HC)

  Publication

  • C. Silva de Oliveira
  • C. Sanin
  • E. Szczerbicki

  - CYBERNETICS AND SYSTEMS - Year 2019

  This work is part of an effort for the development of a Cognitive Vision Platform for Hazard Control (CVP-HC) for applications in industrial workplaces, adaptable to a wide range of environments. The paper focuses on hazards resulted from the nonuse of personal protective equipment (PPE). Given the results of previous analysis of supervised techniques for the problem of classification of a few PPE (boots, hard hats, and gloves...

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• Compensation of supply current harmonics, reactive power, and unbalanced load current balance in the closed-loop control of a shunt active power filter

  Publication

  • A. Bielecka
  • D. Wojciechowski

  - Zeszyty Naukowe Akademii Morskiej w Szczecinie - Year 2020

  This paper presents the compensation tasks performed by a shunt active power filter, including compensation of harmonic currents, reactive power, and an unbalanced load current. The paper demonstrates novel control of the shunt active power filter in a closed-loop system. The control algorithm was verified by performing simulations and compared the simulated results with those obtained in an open-loop control system. All simulations...

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• How Integration of a Brain-Machine Interface and Obstacle Detection System Can Improve Wheelchair Control via Movement Image

  Publication

  • T. Kocejko
  • N. Matuszkiewicz
  • J. Kwiatkowski
  • P. Durawa
  • A. Madajczak

  - SENSORS - Year 2024

  This study presents a human-computer interaction combined with a brain-machine interface (BMI) and obstacle detection system for remote control of a wheeled robot through movement imagery, providing a potential solution for individuals facing challenges with conventional vehicle operation. The primary focus of this work is the classification of surface EEG signals related to mental activity when envisioning movement and deep relaxation...

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• Space-vector pulsewidth modulation for a seven-level cascaded H-bridge inverter with the control of DC-link voltages

  Publication

  • A. Lewicki
  • M. Morawiec

  - Bulletin of the Polish Academy of Sciences-Technical Sciences - Year 2017

  The control strategy of DC-link voltages for a seven-level Cascaded H-Bridge inverter is proposed in this paper. The DC-link voltage balancing is accomplished by appropriate selection of H-Bridges and control of their duty cycles in Space-Vector Modulation (SVM) algorithm. The proposed SVM method allows to maintain the same voltage level on all inverter capacitors. Regardless of the balancing function, the...

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• An optimal sliding mode control based on immune-wavelet algorithm for underwater robotic manipulator

  Publication

  • H. Nejatbakhsh Esfahani

  - Year 2013

  In this paper, a robust optimal Sliding Mode Controller (SMC) based on new algorithm of Artificial Immune System (AIS) is proposed for trajectory tracking of underwater manipulators. A new AIS algorithm is used to derive optimal values of surface parameters and boundary layer thickness in SMC with considering minimum torques and error. Surface parameters and boundary layer thickness are considered as antibody in AIS and Morlet...

• A new approach to active noise and vibration control - [Part I: the known frequency case]

  Publication

  • M. Niedźwiecki
  • M. Meller

  - Year 2009

  This paper presents a new approach to rejection of complex-valued sinusoidal disturbances acting at the output of a discrete-time stable linear plant with unknown dynamics. It is assumed that the frequency of the sinusoidal disturbance is known, and that the output signal is contaminated with wideband measurement noise. The disturbance rejection control rule is first derived and analyzed for a nominal plant model, different from...

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• Usługi Third Party Call Control zrealizowane z wykorzystaniem oprogramowania Open Source

  Publication

  • S. Kaczmarek
  • M. Kowalski
  • T. Łabacki

  - Przegląd Telekomunikacyjny + Wiadomości Telekomunikacyjne - Year 2013

  Koncepcja sieci NGN zakłada otwartość na usługi udostępniane użytkownikom (abonentom). Jej realizacja wymaga ulokowania tej funkcjonalności w zewnętrznych elementach w stosunku do sieci telekomunikacyjnej udostępniającej usługi przenoszenia. Jednym z rozwiązań jest serwer Third Party Call Control (3PCC) w którym można ulokować scenariusze sterowania przebiegiem połączenia. W artykule przedstawiono i omówiono projekt, wykonany w...

• Lack of control over work and organizational citizenship behavior: overwork climate as a suppressor variable

  Open Research Data

  open access

  • P. Jurek
  • A. Piotrowski
  • M. Olech

  This study investigates a suppressor effect in the relationship between lack of control over work and organizational citizenship behavior (OCB). Suppressor effects operate when the addition of a predictor (in our study it is an overwork climate) increases the predictive power of another variable (lack of control over work) in predicting an outcome variable...

• Stable indirect adaptive control based on discrete-time T-S fuzzy model

  Publication

  • Q. Ruiyun
  • M. Brdyś

  - FUZZY SETS AND SYSTEMS - Year 2008

  This paper presents an indirect adaptive fuzzy control scheme for uncertain nonlinear asymptotically stable plants.A discrete-time T-S fuzzy input-output model is employed to approximate the unknown plant dynamics. The T-S fuzzy model is fed with its own states, which are indeed its past outputs, rather than the measurements from the plants. Entirely based on this model, a feedback linearization control law is designed by using...

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• Stable indirect adaptive control based on discrete-time T-S fuzzy model

  Publication

  • Q. Ruiyun
  • M. Brdyś

  - FUZZY SETS AND SYSTEMS - Year 2007

  This paper presents an indirect adaptive fuzzy control scheme for uncertain nonlinear asymptotically stable plants.A discrete-time T-S fuzzy input-output model is employed to approximate the unknown plant dynamics. The T-S fuzzy model is fed with its own states, which are indeed its past outputs, rather than the measurements from the plants. Entirely based on this model, a feedback linearization control law is designed by using...

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• Integrated algorithm for selecting the location and control of energy storage units to improve the voltage level in distribution grids

  Publication

  • A. Szultka
  • S. Szultka
  • S. Czapp
  • Z. Lubośny
  • R. Małkowski

  - ENERGIES - Year 2020

  This paper refers to the issue that mainly appears in distribution grids, where renewable energy sources (RES) are widely installed. In such grids, one of the main problems is the coordination of energy production time with demand time, especially if photovoltaic energy sources are present. To face this problem, battery energy storage units (ESU) can be installed. In recent years, more and more attention has been paid to optimizing...

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• Nonlinear finite element modeling of vibration control of plane rod-type structural members with integrated piezoelectric patches

  Publication

  • J. Chróścielewski
  • R. Schmidt
  • V. Eremeev

  - CONTINUUM MECHANICS AND THERMODYNAMICS - Year 2019

  This paper addresses modeling and finite element analysis of the transient large-amplitude vibration response of thin rod-type structures (e.g., plane curved beams, arches, ring shells) and its control by integrated piezoelectric layers. A geometrically nonlinear finite beam element for the analysis of piezolaminated structures is developed that is based on the Bernoulli hypothesis and the assumptions of small strains and finite...

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• Impact of R/X ratio of distribution network on selection and control of energy storage units

  Publication

  • A. Szultka
  • R. Małkowski
  • S. Czapp
  • S. Szultka

  - Year 2017

  The interest in energy storage is still increasing. Energy storage units are installed in high voltage networks, medium voltage networks and low voltage distribution networks as well. These units are often used to improve power quality. One of the criteria for improving power quality is reducing voltage deviations. Depending on the type of network and specifying its R/X ratio, this criterion can be fulfilled by control of active...

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• Laboratory bioreactor with pH control system for investigations of hydrogen production in the dark fermentation process

  Publication

  • B. Szulczyński
  • K. Kucharska
  • M. A. Kamiński

  - Aparatura Badawcza i Dydaktyczna - Year 2019

  The work presents the construction of a low-cost research bioreactor equipped with a pH control sys-tem. The developed bioreactor was applied for hydrogen production in the dark fermentation process using Enterobacter aerogenes ATCC 13048. Presented paper compares the results obtained during the process without and with pH regulation for different feed materials: glucose, energetic poplar hydro-lysates, acid whey and glycerol....

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• Robust-adaptive dynamic programming-based time-delay control of autonomous ships under stochastic disturbances using an actor-critic learning algorithm

  Publication

  • H. N. Esfahani
  • R. Szłapczyński

  - JOURNAL OF MARINE SCIENCE AND TECHNOLOGY - Year 2021

  This paper proposes a hybrid robust-adaptive learning-based control scheme based on Approximate Dynamic Programming (ADP) for the tracking control of autonomous ship maneuvering. We adopt a Time-Delay Control (TDC) approach, which is known as a simple, practical, model free and roughly robust strategy, combined with an Actor-Critic Approximate Dynamic Programming (ACADP) algorithm as an adaptive part in the proposed hybrid control...

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• Comparative Study of Balancing SRT by Using Modified ASM2d in Control and Operation Strategy at Full-Scale WWTP

  Publication

  • J. Drewnowski
  • J. Mąkinia
  • A. Szaja
  • G. Łagód
  • Ł. Kopeć
  • J. A. Aguilar

  - Water - Year 2019

  Detailed knowledge on the composition of the influent going into the wastewater treatment system is essential for the development of a reliable computer model. In the context of WWTPs (wastewater treatment plants), the wastewater characteristics are not only important for activated sludge system modelling, but also have an impact on the appropriate control of single unit operations. The aim of this study was to evaluate the concepts...

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• Designing Control and Protection Systems with Regard to Integrated Functional Safety and Cybersecurity Aspects

  Publication

  • M. Śliwiński
  • E. Piesik

  - ENERGIES - Year 2021

  This article addresses current problems of risk analysis and probabilistic modelling for functional safety management in the life cycle of safety-related systems. Two main stages in the lifecycle of these systems are distinguished, namely the design and operation. The risk analysis and probabilistic modelling differ in these stages in view of available knowledge and data. Due to the complexity and uncertainty involved, both qualitative...

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• ASIAN JOURNAL OF CONTROL

  Journals

  ISSN: 1561-8625 , eISSN: 1934-6093

• JOURNAL OF VIBRATION AND CONTROL

  Journals

  ISSN: 1077-5463 , eISSN: 1741-2986

• Studies in Informatics and Control

  Journals

  ISSN: 1220-1766

• Human Factors and Functional Safety Analysis in Designing the Control Rooms of Industrial Hazardous Plants

  Publication

  • K. Kosmowski

  - Year 2014

  In this work some aspects of human factors and functional safety analysis in designing the control rooms of industrial hazardous plants are presented. The “defence in depth” (D-in-D) concept is outlined. Some designing issues of the alarm system (AS) with regard to human factors to be supported using the human reliability analysis (HRA) are discussed. The AS and decision support system (DSS), when properly designed, would contribute...

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• Comparative analysis of the flow control over a circular cylinder with detached flexible and rigid splitter plates

  Publication

  • F. Eydi
  • A. Mojra
  • R. Abdi

  - PHYSICS OF FLUIDS - Year 2022

  A comparative study is performed on a circular cylinder with both flexible and rigid splitter plates (SPs). This study has the novelty of using single and dual detached SPs located downstream of the cylinder. The dimensionless gap distance between the first splitter plate and the cylinder as well as the distance between the SPs are varied. The strain of flexible SPs can be used for energy harvesting from the flow. Therefore, a...

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• Towards Knowledge Formalization and Sharing in a Cognitive Vision Platform for Hazard Control (CVP-HC)

  Publication

  • C. De
  • C. Sanin
  • E. Szczerbicki

  - Year 2019

  Hazards are present in all workplaces and can result in serious injuries, short and long-term illnesses, or death. In this context, management of safety is essential to ensure the occupational health of workers. Aiming to assist the safety manage-ment process, especially in industrial environments, a Cognitive Vision Platform for Hazard Control (CVP-HC) has been proposed. The CVP-HC is a scalable yet adaptable system capable of...

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• Adaptive dynamic control allocation for over-actuated dynamic positioning system based on backstepping method in case of thruster faults

  Publication

  • A. Witkowska
  • R. Śmierzchalski

  - IFAC-PapersOnLine - Year 2018

  The objective of the research considered in this paper is dynamic positioning of a nonlinear over-actuated marine vessel in the presence of limited information about thruster forces. First, the adaptive backstepping method is used to estimate the input matrix which will compensate partial loss of actuator effectiveness in the presence of actuator dynamics. Then, the adaptive commanded virtual forces and moment are allocated into...

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• An Extended Control of the Input Angle for Matrix Converters Connected with the Non-Unity Power Factor Loads.

  Publication

  • P. Szczepankowski

  - IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS - Year 2022

  This paper proposes a novel PWM modulation algorithm for Multiphase Conventional Matrix Converters (MCMC), with 3 inputs and k outputs, using the transfer function of the load angle. The proposed approach extends the range of power angle control at the input during the operation with a maximum voltage transfer ratio. The proposed concept is based on the Direct Analytic Voltage PWM (DAV--PWM) modulation with an elliptical trajectory...

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• Journal of Control Science and Engineering

  Journals

  ISSN: 2328-2231

• Foundations and Trends in Systems and Control

  Journals

  ISSN: 2325-6818 , eISSN: 2325-6826

• Journal of Control Science and Engineering

  Journals

  ISSN: 1687-5249 , eISSN: 1687-5257