Wyniki wyszukiwania dla: SENSORLESS%20CONTROL - MOST Wiedzy

Wyszukiwarka

Wyniki wyszukiwania dla: SENSORLESS%20CONTROL

Wyniki wyszukiwania dla: SENSORLESS%20CONTROL

  • Hydraulic drive and control of the equipment of the small fishing cutter.

    Przedstawiono uwarunkowania i założenia techniczne oraz zaprojektowany i zrealizowany układ napędu i sterowania hydraulicznego urządzeń małego kutra rybackiego KR10. Pewna zmiana układu zrealizowanego wynikała z konieczności dostosowania go do tymczasowo zastosowanych urządzeń połowowych, odmiennych niż przewidywał projekt. Przedstawiono także informacje o wynikach prób morskich i dwumiesięcznego okresu eksploatacji w różnych,...

  • Influence of control loop on torsional vibrations of rotating machinery.

    Rozpatrywano wpływ pętli regulacyjnej silnika diesla na dynamikę układu napędowego okrętowego. Porównano obliczenia numeryczne z badaniami eksperymentalnymi. Stwierdzono duży wpływ pętli regulacyjnej silnika diesla na dynamikę układu. W obliczeniach numerycznych skoncentrowano się na drganiach skrętnych układu napędowego okrętowego. Analizowano wpływ sztywności skrętnej sprzęgła elastycznego na amplitudy momentów skrętnych...

  • The spindle speed optimal control in modern milling operations.

    Publikacja

    Praca dotyczy modeli obrabiarek ze sprzężeniem zwrotnym, w przypadku których istotne znaczenie mają drgania samowzbudne typu chatter. Opis układu drgającego przedstawiono w postaci dynamiki układu sterowanego, przy czym sygnałem sterującym jest chwilowa zmiana prędkości obrotowej wrzeciona. Rozważano frezowanie czołowe smukłym frezem trzpieniowym na pionowym cent rum frezarskim. Przedstawiono rezultaty przykładów symulacji komputerowych....

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

    Publikacja

    - 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...

    Pełny tekst do pobrania w serwisie zewnętrznym

  • Deformation mitigation and twisting moment control in space frames

    Publikacja

    - Structures - Rok 2024

    Over the last five decades, space frames have centered on the modernization of touristic zones in view of architectural attractions. Although attempts to control joint movement and minimize axial force and bending moment in such structures were made sufficiently, twisting moments in space frames have been underestimated so far. In space frames, external load or restoring the misshapen shape may cause twisting in members. We herein...

    Pełny tekst do pobrania w portalu

  • A Review: Structural Shape and Stress Control Techniques and their Applications

    This review article presents prior studies on controlling shape and stress in flexible structures. The study offers a comprehensive survey of literature concerning the adjustment and regulation of shape, stress, or both in structures and emphasizes such control’s importance. The control of systems is classified into three primary classes: nodal movement control, axial force control, and controlling the two classes concurrently....

    Pełny tekst do pobrania w portalu

  • Programmed control of the spindle speed in modern milling machines.

    Publikacja

    - Rok 2003

    W pracy przedstawiono nowe podejście do nadzorowania drgań wirujących narzędzi we współczesnych frezarkach. Polega ono na sterowaniu programowym w układach niestacjonarnych. Dotyczy to zamkniętych układów obrabiarek, kiedy to istotną rolę odgrywają drgania samowzbudne typu chatter. Sygnałem sterującym jest chwilowa zmiana prędkości obrotowej. Rozważano frezowanie czołowe smukłym frezem trzpieniowym na pionowym centrum frezarskim....

  • Intelligent Material Actuators and Their Applications for Structural Dynamic Control

    Publikacja

    - Rok 2013

    The paper presents an application of inteligent materials to vibration control of structures.

  • New Procedures for Control of Industrial Effluents Treatment Processes

    This work presents the procedures for monitoring volatile organic compounds during treatment of industrial effluents. The investigation was carried out for a specific effluent—caustic effluent from bitumen production. The developed procedures enable more detailed control of the effectiveness of wastewater treatment than standard procedures. Caustic effluents from bitumen production have a complex physicochemical form and consist...

    Pełny tekst do pobrania w portalu

  • Integrated monitoring, control and security of Critical Infrastructure Systems

    Publikacja

    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...

    Pełny tekst do pobrania w serwisie zewnętrznym

  • The Optical Transport Network Control Based on SDN Architecture

    The aim of this publication is to present research results on the usability of the Software-Defined Networking concept to control transport networks. For this purpose, an easy-to-use connection scheduler was developed capable of controlling connections in optical transport networks. The authors would like to present this solution and details of constructed SDN architecture implemented for modern optical transport solutions based...

  • Multiscalar Model Based Control Systems for AC Machines

    Publikacja

    - Rok 2011

    Contents of the Chapter: Nonlinear transformations and feedback linearization. Models of the squirrel cage induction machine: Vector model of the squirrel cage induction machine. Multiscalar models of the squirrel cage induction machine.Feedback linearization of multiscalar models of the induction motor.Models of the double fed induction machine: Vector model of the double fed induction machine. Multiscalar model of the...

  • ENISA Study: Challenges in Securing Industrial Control Systems

    Publikacja

    - Rok 2013

    In 2011, the European Network and Information Security Agency (ENISA) conducted a study in the domain of Industrial Control Systems (ICS). Its objective was to obtain the current view on the ICS protectionprimarily in Europe but also in the international context. The portrait' included threats, risks, and challenges in the area of ICS protection as well as national, pan European, and international initiatives on ICS security. The...

  • Factors determining selection of production planning and control system

    Publikacja

    - 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.

  • Multichannel self-optimizing active noise control scheme

    Publikacja

    The problem of cancellation of a nonstationary sinusoidal interference, acting at the output of an unknown multivariable linear stable plant, is considered. The proposed cancellation scheme is a nontrivial extension of the SONIC (self-optimizing narrowband interference canceller) algorithm, developed earlier for single-input, single-output plants. In the important benchmark case - for disturbances with randomwalk-type amplitude...

  • Mobile monitoring system for control of atmospheric air quality

    W pracy przedstawiono ruchomy system monitoringu powietrza, który zapewnia możliwość ciągłego pomiaru stężenia takich zanieczyszczeń powietrza jak benzen, tlenek i ditlenek azotu oraz tlenek i ditlenek węgla. Opracowany zestaw pomiarowy może być zainstalowany na rożnych pojazdach (samochód, autobus, ciężarówka).System zbudowany jest z zestawu małych przenośnych jednostek pomiarowych (elektroniczne urządzenia pomiarowe, rejestrator...

    Pełny tekst do pobrania w portalu

  • Evaluation of ASON/GMPLS Connection Control Servers Performance

    Performance aspects have always been very important in telecommunications, especially in control elements. That problem also regards ASON/GMLPS network, which is one of the propositions for Next Generation Network (NGN) transport stratum. In this paper we investigate performance of ASON/GMPLS Connection Control Servers (CCSs) in laboratory testbed, which architecture and operation are also described. In order to evaluate the performance...

  • Semi-adaptive feedback active control of MRI noise

    Publikacja

    - Rok 2011

    A feedback controller is proposed for cancellation of magnetic resonance imaging (MRI) noise. The design of the controller takes into account specific features of the MRI noise signal. Simulation results show that a considerable rejection rate of the MRI noise can be obtained.

  • Methodology of assessing the effectiveness of changes in the planning and control process

    Publikacja

    - Rok 2011

    Niniejsze opracowanie poświęcone jest problematyce oceny efektywności zmian procesu planowania i sterowania. Jego celem jest opracowanie modelu i scharakteryzowanie sposobu oceny efektywności zmian tego procesu w odniesieniu do jej elementów składowych, jakimi są korzystność, skuteczność i ekonomiczność.

  • Production planning and control methods in the intelligent manufacturing systems

    Publikacja

    Niniejszy rozdział prezentuje zagadnienia związane z planowaniem i sterowaniem wytwarzaniem w kontekście budowy i działania inteligentnych systemów produkcyjnych (ISP). Architektura ISP, będąca rozwinięciem elastycznych systemów produkcyjnych, integruje systemy wspomagania decyzji ze strukturami bazodanowymi oraz dodatkowymi modułami komunikacyjnymi. Systemy wspomagania decyzji budowane są w oparciu o mechanizmy tzw. inteligencji...

  • Internet system for supply and temperature control in server rooms

    .

    Pełny tekst do pobrania w portalu

  • Algorithms and Tools for Intelligent Control of Critical Infrastructure Systems

    Publikacja

    - Rok 2015

    Critical Infrastructure Systems (CIS) are spatially distributed and of a network structure. The dynamics are nonlinear, uncertain and with several time scales. There is a variety of different objectives to be reliably met under a wide range of operational conditions. The operational conditions are influenced by the disturbance inputs, operating ranges of the CIS, faults in the sensors and actuators and abnormalities occurring in...

    Pełny tekst do pobrania w serwisie zewnętrznym

  • Supervised model predictive control of wastewater treatment plant

    Publikacja

    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...

    Pełny tekst do pobrania w serwisie zewnętrznym

  • CPTU/DMT control of heavy tamping compaction of sands

    Publikacja

    - Rok 2015

    Heavy tamping compaction method in cohesionless alluvial soil was evaluated with CPTU and DMT tests. Some examples of interpretation of soundings in pre-treated and compacted sands are given. The compaction work was performed in two stages. Compaction control was performed after each stage of tamping. Additional tests were performed two weeks after the compaction works completion to study the set-up effect. While typical increase...

  • Robust algorithm for active feedback control of narrowband noise

    Publikacja

    The problem of active control of narrowband acoustic noise is considered. It is shown that the proposed earlier feedback control algorithm called SONIC (self-optimizing narrowband interference canceller), based on minimization of the L2-norm performance measure, can be re-derived using the L1 approach. The resulting robust SONIC algorithm is more robust to heavy-tailed measurement noise, such as the αlpha-stable noise, than the...

    Pełny tekst do pobrania w serwisie zewnętrznym

  • Vibroflotation Control of Sandy Soils using DMT and CPTU

    Publikacja

    - Rok 2015

    Vibroflotation is a typical improvement method for the cohesionless deposits of high thickness. The compaction method was applied to densify sandy deposits in Gdynia Port. Compaction control was verified with CPTU and DMT tests. Some examples of interpretation of soundings in pre-treated and compacted sands are shown. The classification diagrams are given for pre-treated and compacted sand. The stress history of the deposits is...

  • Active feedback noise control in the presence of impulsive disturbances

    Publikacja

    The problem of active feedback control of a narrowband acoustic noise in the presence of impulsive disturbances is considered. It is shown that, when integrated with appropriately designed outlier detector, the proposed earlier feedback control algorithm called SONIC is capable of isolating and rejecting noise pulses. According to our tests this guarantees stable and reliable operation of the closed-loop noise cancelling...

    Pełny tekst do pobrania w serwisie zewnętrznym

  • Regulated Control of the Assembly and Diversity of LPS by Noncoding sRNAs

    The outer membrane (OM) of Gram-negative bacteria is asymmetric due to the presence of lipopolysaccharide (LPS) facing the outer leaflet of the OM and phospholipids facing the periplasmic side. LPS is essential for bacterial viability, since it provides a permeability barrier and is a major virulence determinant in pathogenic bacteria. In Escherichia coli, several steps of LPS biosynthesis and assembly are regulated by the RpoE...

    Pełny tekst do pobrania w portalu

  • Implementation of Hierarchical Control of Drinking Water Supply System

    Publikacja

    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...

    Pełny tekst do pobrania w serwisie zewnętrznym

  • High Performance Control of AC Drives with Matlab/ Simulink

    Publikacja

    - Rok 2021

    Explore this indispensable update to a popular graduate text on electric drive techniques and the latest converters used in industry. The Second Edition of High Performance Control of AC Drives with Matlab®/Simulink delivers an updated and thorough overview of topics central to the understanding of AC motor drive systems. The book includes new material on medium voltage drives, covering state-of-the-art technologies and challenges...

    Pełny tekst do pobrania w serwisie zewnętrznym

  • Designing control strategies of aeration system in biological WWTP

    Publikacja

    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...

    Pełny tekst do pobrania w portalu

  • ANFIS-Based NPC Population Control in Video Games

    Publikacja

    - Rok 2021

    Modern computer games aim at providing rich, vivid worlds. The aim is to encourage the player to explore and interact with the in-game world. To describe the complex relations between in-game NPCs and their surrounding fuzzy logic is used. The paper presents ANFIS based population control in the video game. We present an approach allowing stabilizing the number of NPCs in-game by providing a certain amount of food to the environment....

    Pełny tekst do pobrania w portalu

  • CFD Simulations and Tests of a Prototype Flow Control Valve

    Publikacja

    - Rok 2021

    In this paper a prototype of a flow control valve is described and numerically simulated. The flow control valve is used in hydraulic systems to maintain constant fluid flow despite changing loads of a receiver. The standard construction of this type of valves is modified mainly by eliminating the spring. The prototype consists the hydrostatically unloaded throttle valve and pressure ratio valve substituting pressure difference...

    Pełny tekst do pobrania w portalu

  • Process Control of Biogas Purification Using Electronic Nose

    Nowadays, biogas produced from landfills and wastewater treatment plants or lignocellulosic biomass is important sustainable and affordable source of energy. Impurities from biogas stream can cause a serious odor problem, especially for residents of areas immediately adjacent to production plants. Therefore, biogas pre-treatment is necessary to protect engines that convert biogas into energy and in order to increase the specific...

    Pełny tekst do pobrania w portalu

  • Comparative analysis of switched reluctance motor control algorithms

    Publikacja
    • G. Demidova
    • Y. Derbikov
    • F. Petrikov
    • D. Lukichev
    • R. Strzelecki
    • A. Anuchin

    - Scientific and Technical Journal of Information Technologies, Mechanics and Optics - Rok 2023

    Предмет исследования. Развитие микропроцессорной техники и силовой электроники позволило создавать недорогие и эффективные системы управления различными электромеханическими объектами, которые ранее широко не использовались из-за сложности управления. К таким устройствам можно отнести вентильно-индукторные электрические машины. Данные машины широко применяются в различных практических разработках, например, в тяговом электроприводе,...

    Pełny tekst do pobrania w portalu

  • Comparative analysis of switched reluctance motor control algorithms

    Publikacja
    • G. Demidova
    • Y. Derbikov
    • F. Petrikov
    • D. Lukichev
    • R. Strzelecki
    • A. Anuchin

    - Scientific and Technical Journal of Information Technologies, Mechanics and Optics - Rok 2023

    Предмет исследования. Развитие микропроцессорной техники и силовой электроники позволило создавать недорогие и эффективные системы управления различными электромеханическими объектами, которые ранее широко не использовались из-за сложности управления. К таким устройствам можно отнести вентильно-индукторные электрические машины. Данные машины широко применяются в различных практических разработках, например, в тяговом электроприводе,...

    Pełny tekst do pobrania w portalu

  • Morphology control through the synthesis of metal-organic frameworks

    Publikacja

    - ADVANCES IN COLLOID AND INTERFACE SCIENCE - Rok 2023

    Designable morphology and predictable properties are the most challenging goals in material engineering. Features such as shape, size, porosity, agglomeration ratio significantly affect the final properties of metal- organic frameworks (MOFs) and can be regulated throughout synthesis parameters but require a deep under- standing of the mechanisms of MOFs formation. Herein, we systematically summarize the effects of the indi- vidual...

    Pełny tekst do pobrania w portalu

  • Testing of Technical Fabrics under Fast Camera Control

    Publikacja

    The dynamic development of measurement and recording techniques has been changing the way one conceives material strength. In this study, two different methods of evaluating the strength of fabrics are compared. The first is the typical and commonly used technique based on the use of a testing machine. The second method uses the so-called “fast camera” to monitor the entire process of the destruction of a fabric sample and analyse...

    Pełny tekst do pobrania w portalu

  • Fire Protection and Materials Flammability Control by Artificial Intelligence

    Publikacja

    - FIRE TECHNOLOGY - Rok 2022

    Fire safety has become a major challenge of materials developers because of the massive production of organic materials, often combustibles, and their use for different purposes. In this sense, fire safety is critically considered in the development of engineering materials [1, 2]. The multiplicity of parameters contributing to the development of formulation of flame-retardant materials from one side and the sustainability concerns...

    Pełny tekst do pobrania w serwisie zewnętrznym

  • Mieczysław Brdyś prof. dr hab. inż.

    Osoby

  • Non-Adaptive Speed and Position Estimation of Doubly-Fed Induction Generator in Grid-Connected Operations

    The nonadaptive speed and position estimation scheme for a doubly-fed induction generator (DFIG) is presented in this article. The observer structure is based on the extension of the mathematical model of DFIG to the introduced H vector. Based on the defined H vector, the nonadaptive position and speed estimation is proposed. The Lyapunov method is extended to the practical stability theorem to stabilize the structure. The classic...

    Pełny tekst do pobrania w portalu

  • Selected dynamic properties of adaptive proportional observer of induction motor state variables

    Publikacja

    - Rok 2016

    This paper presents problems related to the design and the stability of adaptive proportional observer which is used for estimation of magnetic flux and motor speed in sensorless control systems of induction motor. The gain matrix of the observer was chosen by genetic algorithm and alternatively by pole placement method. It has been shown that adaptive proportional observer is stable if the...

    Pełny tekst do pobrania w serwisie zewnętrznym

  • IEEE TRANSACTIONS ON AUTOMATIC CONTROL

    Czasopisma

    ISSN: 0018-9286 , eISSN: 1558-2523

  • JOURNAL OF ECONOMIC DYNAMICS & CONTROL

    Czasopisma

    ISSN: 0165-1889 , eISSN: 1879-1743

  • Advances in Differential Equations and Control Processes

    Czasopisma

    ISSN: 0974-3243

  • ESAIM-CONTROL OPTIMISATION AND CALCULUS OF VARIATIONS

    Czasopisma

    ISSN: 1292-8119 , eISSN: 1262-3377

  • Journal of Control Automation and Electrical Systems

    Czasopisma

    ISSN: 2195-3880 , eISSN: 2195-3899

  • International Journal of Intelligent Control and Systems

    Czasopisma

    ISSN: 0218-7965

  • LECTURE NOTES IN CONTROL AND INFORMATION SCIENCES

    Czasopisma

    ISSN: 0170-8643

  • IEEE Transactions on Control of Network Systems

    Czasopisma

    ISSN: 2325-5870 , eISSN: 2372-2533