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Search results for: INFORMATION FLOW CONTROL
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Management of complexity and information flow
PublicationProblemy złożoności i zarządzania przepływem informacji. W rozdziale omówio-no podejście do modelowania systemów złożonych oraz zarządzania przepływeminformacji w takich systemach. Rozwiązania odniesiono do płaszczyzny elasty-cznego wytwarzania. Poruszono aspekty miękkiego modelowania w takich środo-wiskach.
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Information and Control
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Flow Control Algorithm for UMTS HSDPA
PublicationHSDPA (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...
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Hard and Soft Modelling Based Knowledge Capture for Information Flow Management
PublicationW rozdziale przedstawiono najpierw złożony aparat matematyczny który może być wykorzystany w modelowaniu zarządzania informacją i oceny jej wartości w procesach decyzyjnych. Aparat ten oparto na teorii procesów stochastycznych oraz na teorii uzyteczności. Następnie, opierając się na wypracowanym modelu matematycznym, zaproponowano przejście do modelowania miękkiego. Całość zilustrowano na przykładach z obszaru zarządzania informacją.
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Numerical Simulations for Transonic Flow in Control Valve
PublicationResults of numerical simulations for transonic flow in control valve are presented. The valve is the main part of an adaptive pneumatic shock absorber. Flow structure in the valve domain and the influence of the flow non-uniformity in the valve on a mass flow rate is investigated. Numerical simulation results are compared with experimental data.
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CFD Simulations and Tests of a Prototype Flow Control Valve
PublicationIn 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...
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MAPSERVER – INFORMATION FLOW MANAGEMENT SOFTWARE FOR THE BORDER GUARD DISTRIBUTED DATA EXCHANGE SYSTEM
PublicationIn this paper the architecture of the software designed for management of position and identification data of floating and flying objects in Maritime areas controlled by Polish Border Guard is presented. The software was designed for managing information stored in a distributed system with two variants of the software, one for a mobile device installed on a vessel, an airplane or a car and second for a central server. The details...
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Information presentation compatibility in a simple digital control panel design: eye-tracking study
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Interline power flow controller - properties and control strategy in dynamic states
PublicationHigh-power electronic converter topologies, in such forms as Unified Power Flow Controllers (UPFC), Static Compensators (STATCOM) and Interline Power Flow Controllers (IPFC), have been used to enhance and optimize the use of transmission facilities, under the concept of a flexible ac transmission system (FACTS). In Europe, the anticipated proliferation of distributed-generation (DG) in the near future, driven by governmental initiatives...
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Interline power flow controller - properties and control strategy in dynamic states
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LECTURE NOTES IN CONTROL AND INFORMATION SCIENCES
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IMA JOURNAL OF MATHEMATICAL CONTROL AND INFORMATION
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Information Technology and Control
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Comprehensive circumscribing of non-linearity cases of a water supply system with smooth flow control
PublicationW artykule opisano formalnie poprawne metody opisu matematycznego pracy pomp o płynnie regulowanych wydatkach oraz reduktorów ciśnienia i reduktorów przepływu w modelowaniu przepływów ustalonych zachodzących w systemach wodociągowych. Opisano metodę opartą o dynamiczną analizę wrażliwości systemu oraz metodę wykorzystującą charakterystyki hydrauliczne systemu wodociągowego. Przedstawiono wyniki symulacji wykorzystującej ww. metody...
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Fully Separated Flow Control Using DBD Plasma Actuators Located at the Leading Edge of an Airfoil
PublicationIn the framework of the PLASMAERO European project, experiments were conducted to investigate the authority of surface DBD plasma actuators to alter a fully separated flow around an airfoil in order to improve its aerodynamic performances in its natural stall regime. In this paper, unsteady excitation control is more specifically investigated. The key control parameter studied here is the burst frequency which periodically imposes...
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Comparative analysis of the flow control over a circular cylinder with detached flexible and rigid splitter plates
PublicationA 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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Secure access control and information protection mechanisms in radio system for monitoring and acquisition of data from traffic enforcement cameras
PublicationThe study presents the architecture of the Radio System for Monitoring and Acquisition of Data from Traffic Enforcement Cameras (in short: RSMAD), particularly concerning access control and protection of confidential data. RSMAD security structure will be discussed in relation to network security issues. Additionally, the paper presents the results of the work associated with the modelling of potential threats to system security.
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Procedure based functional safety and information security management of industrial automation and control systems on example of the oil port installations
PublicationThe approach addresses selected technical and organization aspects of risk mitigation in the oil port installations with regard to functional safety and security requirements specified in standards IEC 61508, IEC 61511 and IEC 62443. The procedure for functional safety management includes the hazard identification, risk analysis and assessment, specification of overall safety requirements and definition of...
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Multi-DBD plasma actuator for flow separation control around NACA 0012 and NACA 0015 airfoil models
PublicationIn this paper application of innovative multi-DBD plasma actuator for flow separation control is presented. The influence of the airflowgenerated by this actuator on the flow around NACA 0012 and NACA 0015 airfoil models was investigated. The results obtained from 2D PIVmeasurements showed that the multi-DBD actuator with floating interelectrode can be attractive for leading and trailing edge separation control.
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Electromagnetic Control and Dynamics of Generalized Burgers’ Nanoliquid Flow Containing Motile Microorganisms with Cattaneo–Christov Relations: Galerkin Finite Element Mechanism
PublicationIn our research work, we have developed a model describing the characteristics of the bio-convection and moving microorganisms in the flows of a magnetized generalized Burgers’ nanoliquid with Fourier’s and Fick’s laws in a stretchable sheet. Considerations have been made to Cattaneo–Christov mass and heat diffusion theory. According to the Cattaneo–Christov relation, the Buongiorno phenomenon for the motion of a nanoliquid in...
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Journal of Information, Control and Management Systems
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Romanian Journal of Information Technology and Automatic Control-Revista Romana de Informatica si Automatica
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International Journal of Innovative Computing Information and Control
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Determination of flow properties of a serial connection of a directional control valve with (C=5.7, b=0.32) and a air blow gun from changes in air pressure in a tank being emptied
Open Research DataThe aim of the study was to determine the flow properties of serial connection of pneumatic components.The experiments were to measure the pressure changes in a being emptied tank for a directional control valve and a air blow gun (with nozzle removed) arranged in-line. Three test configurations were used: (1) being emptied tank -> DCV -> ambient...
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Determination of flow properties of a serial connection of a directional control valve with (C=2.1, b=0.14) and a air blow gun from changes in air pressure in a tank being emptied
Open Research DataThe aim of the study was to determine the flow properties of serial connection of pneumatic components.The experiments were to measure the pressure changes in a being emptied tank for a directional control valve and a air blow gun (with nozzle removed) arranged in-line. Three test configurations were used: (1) being emptied tank -> DCV -> ambient...
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Determination of flow properties of a serial connection of a directional control valve with (C=2.8, b=0.25) and a air blow gun from changes in air pressure in a tank being emptied
Open Research DataThe aim of the study was to determine the flow properties of serial connection of pneumatic components.The experiments were to measure the pressure changes in a being emptied tank for a directional control valve and a air blow gun (with nozzle removed) arranged in-line. Three test configurations were used: (1) being emptied tank -> DCV -> ambient...
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Determination of flow properties of a serial connection of a directional control valve with (C=5.5, b=0.37) and a air blow gun from changes in air pressure in a tank being emptied
Open Research DataThe aim of the study was to determine the flow properties of serial connection of pneumatic components.The experiments were to measure the pressure changes in a being emptied tank for a directional control valve and a air blow gun (with nozzle removed) arranged in-line. Three test configurations were used: (1) being emptied tank -> DCV -> ambient...
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Determination of flow properties of a serial connection of a directional control valve with (C=2.4, b=0.26) and a air blow gun from changes in air pressure in a tank being emptied
Open Research DataThe aim of the study was to determine the flow properties of serial connection of pneumatic components.The experiments were to measure the pressure changes in a being emptied tank for a directional control valve and a air blow gun (with nozzle removed) arranged in-line. Three test configurations were used: (1) being emptied tank -> DCV -> ambient...
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Determination of flow properties of a serial connection of a directional control valve with (C=2.0, b=0.11) and a air blow gun from changes in air pressure in a tank being emptied
Open Research DataThe aim of the study was to determine the flow properties of serial connection of pneumatic components.The experiments were to measure the pressure changes in a being emptied tank for a directional control valve and a air blow gun (with nozzle removed) arranged in-line. Three test configurations were used: (1) being emptied tank -> DCV -> ambient...
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Determination of flow properties of a serial connection of a directional control valve (C=2.4, b=0.26) and a silencer (C=1.4) from changes in air pressure in a tank being emptied
Open Research DataThe aim of the study was to determine the flow properties of serial connection of pneumatic components.The experiments were to measure the pressure changes in a being emptied tank for a directional control valve and a silencer arranged in-line. Three test configurations were used: (1) being emptied tank -> DCV -> ambient atmosphere, (2) pressure...
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Determination of flow properties of a serial connection of a directional control valve (C=2.4, b=0.26) and a silencer (C=7.0) from changes in air pressure in a tank being emptied
Open Research DataThe aim of the study was to determine the flow properties of serial connection of pneumatic components.The experiments were to measure the pressure changes in a being emptied tank for a directional control valve and a silencer arranged in-line. Three test configurations were used: (1) being emptied tank -> DCV -> ambient atmosphere, (2) pressure...
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Determination of flow properties of a serial connection of a directional control valve (C=2.4, b=0.26) and a silencer (C=3.4) from changes in air pressure in a tank being emptied
Open Research DataThe aim of the study was to determine the flow properties of serial connection of pneumatic components.The experiments were to measure the pressure changes in a being emptied tank for a directional control valve and a silencer arranged in-line. Three test configurations were used: (1) being emptied tank -> DCV -> ambient atmosphere, (2) pressure...
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Determination of flow properties of a serial connection of a directional control valve (C=2.4, b=0.26) and a silencer (C=3.0) from changes in air pressure in a tank being emptied
Open Research DataThe aim of the study was to determine the flow properties of serial connection of pneumatic components.The experiments were to measure the pressure changes in a being emptied tank for a directional control valve and a silencer arranged in-line. Three test configurations were used: (1) being emptied tank -> DCV -> ambient atmosphere, (2) pressure...
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Determination of flow properties of a serial connection of a directional control valve (C=2.8, b=0.25) and a silencer (C=7.0) from changes in air pressure in a tank being emptied
Open Research DataThe aim of the study was to determine the flow properties of serial connection of pneumatic components.The experiments were to measure the pressure changes in a being emptied tank for a directional control valve and a silencer arranged in-line. Three test configurations were used: (1) being emptied tank -> DCV -> ambient atmosphere, (2) pressure...
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Determination of flow properties of a serial connection of a directional control valve (C=5.7, b=0.32) and a silencer (C=1.4) from changes in air pressure in a tank being emptied
Open Research DataThe aim of the study was to determine the flow properties of serial connection of pneumatic components.The experiments were to measure the pressure changes in a being emptied tank for a directional control valve and a silencer arranged in-line. Three test configurations were used: (1) being emptied tank -> DCV -> ambient atmosphere, (2) pressure...
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Determination of flow properties of a serial connection of a directional control valve (C=2.1, b=0.14) and a silencer (C=1.4) from changes in air pressure in a tank being emptied
Open Research DataThe aim of the study was to determine the flow properties of serial connection of pneumatic components.The experiments were to measure the pressure changes in a being emptied tank for a directional control valve and a silencer arranged in-line. Three test configurations were used: (1) being emptied tank -> DCV -> ambient atmosphere, (2) pressure...
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Determination of flow properties of a serial connection of a directional control valve (C=5.7, b=0.32) and a silencer (C=7.0) from changes in air pressure in a tank being emptied
Open Research DataThe aim of the study was to determine the flow properties of serial connection of pneumatic components.The experiments were to measure the pressure changes in a being emptied tank for a directional control valve and a silencer arranged in-line. Three test configurations were used: (1) being emptied tank -> DCV -> ambient atmosphere, (2) pressure...
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Determination of flow properties of a serial connection of a directional control valve (C=5.5, b=0.37) and a silencer (C=1.4) from changes in air pressure in a tank being emptied
Open Research DataThe aim of the study was to determine the flow properties of serial connection of pneumatic components.The experiments were to measure the pressure changes in a being emptied tank for a directional control valve and a silencer arranged in-line. Three test configurations were used: (1) being emptied tank -> DCV -> ambient atmosphere, (2) pressure...
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Determination of flow properties of a serial connection of a directional control valve (C=2.0, b=0.11) and a silencer (C=7.0) from changes in air pressure in a tank being emptied
Open Research DataThe aim of the study was to determine the flow properties of serial connection of pneumatic components.The experiments were to measure the pressure changes in a being emptied tank for a directional control valve and a silencer arranged in-line. Three test configurations were used: (1) being emptied tank -> DCV -> ambient atmosphere, (2) pressure...
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Determination of flow properties of a serial connection of a directional control valve (C=2.0, b=0.11) and a silencer (C=3.0) from changes in air pressure in a tank being emptied
Open Research DataThe aim of the study was to determine the flow properties of serial connection of pneumatic components.The experiments were to measure the pressure changes in a being emptied tank for a directional control valve and a silencer arranged in-line. Three test configurations were used: (1) being emptied tank -> DCV -> ambient atmosphere, (2) pressure...
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Determination of flow properties of a serial connection of a directional control valve (C=2.8, b=0.25) and a silencer (C=3.0) from changes in air pressure in a tank being emptied
Open Research DataThe aim of the study was to determine the flow properties of serial connection of pneumatic components.The experiments were to measure the pressure changes in a being emptied tank for a directional control valve and a silencer arranged in-line. Three test configurations were used: (1) being emptied tank -> DCV -> ambient atmosphere, (2) pressure...
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Determination of flow properties of a serial connection of a directional control valve (C=2.1, b=0.14) and a silencer (C=6.8) from changes in air pressure in a tank being emptied
Open Research DataThe aim of the study was to determine the flow properties of serial connection of pneumatic components.The experiments were to measure the pressure changes in a being emptied tank for a directional control valve and a silencer arranged in-line. Three test configurations were used: (1) being emptied tank -> DCV -> ambient atmosphere, (2) pressure...
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Determination of flow properties of a serial connection of a directional control valve (C=5.7, b=0.32) and a silencer (C=3.0) from changes in air pressure in a tank being emptied
Open Research DataThe aim of the study was to determine the flow properties of serial connection of pneumatic components.The experiments were to measure the pressure changes in a being emptied tank for a directional control valve and a silencer arranged in-line. Three test configurations were used: (1) being emptied tank -> DCV -> ambient atmosphere, (2) pressure...
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Determination of flow properties of a serial connection of a directional control valve (C=2.0, b=0.11) and a silencer (C=1.4) from changes in air pressure in a tank being emptied
Open Research DataThe aim of the study was to determine the flow properties of serial connection of pneumatic components.The experiments were to measure the pressure changes in a being emptied tank for a directional control valve and a silencer arranged in-line. Three test configurations were used: (1) being emptied tank -> DCV -> ambient atmosphere, (2) pressure...
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Determination of flow properties of a serial connection of a directional control valve (C=2.1, b=0.14) and a silencer (C=7.0) from changes in air pressure in a tank being emptied
Open Research DataThe aim of the study was to determine the flow properties of serial connection of pneumatic components.The experiments were to measure the pressure changes in a being emptied tank for a directional control valve and a silencer arranged in-line. Three test configurations were used: (1) being emptied tank -> DCV -> ambient atmosphere, (2) pressure...
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Determination of flow properties of a serial connection of a directional control valve (C=2.0, b=0.11) and a silencer (C=3.4) from changes in air pressure in a tank being emptied
Open Research DataThe aim of the study was to determine the flow properties of serial connection of pneumatic components.The experiments were to measure the pressure changes in a being emptied tank for a directional control valve and a silencer arranged in-line. Three test configurations were used: (1) being emptied tank -> DCV -> ambient atmosphere, (2) pressure...
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Determination of flow properties of a serial connection of a directional control valve (C=5.7, b=0.32) and a silencer (C=6.8) from changes in air pressure in a tank being emptied
Open Research DataThe aim of the study was to determine the flow properties of serial connection of pneumatic components.The experiments were to measure the pressure changes in a being emptied tank for a directional control valve and a silencer arranged in-line. Three test configurations were used: (1) being emptied tank -> DCV -> ambient atmosphere, (2) pressure...
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Determination of flow properties of a serial connection of a directional control valve (C=5.5, b=0.37) and a silencer (C=6.8) from changes in air pressure in a tank being emptied
Open Research DataThe aim of the study was to determine the flow properties of serial connection of pneumatic components.The experiments were to measure the pressure changes in a being emptied tank for a directional control valve and a silencer arranged in-line. Three test configurations were used: (1) being emptied tank -> DCV -> ambient atmosphere, (2) pressure...
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Determination of flow properties of a serial connection of a directional control valve (C=5.5, b=0.37) and a silencer (C=3.4) from changes in air pressure in a tank being emptied
Open Research DataThe aim of the study was to determine the flow properties of serial connection of pneumatic components.The experiments were to measure the pressure changes in a being emptied tank for a directional control valve and a silencer arranged in-line. Three test configurations were used: (1) being emptied tank -> DCV -> ambient atmosphere, (2) pressure...
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Determination of flow properties of a serial connection of a directional control valve (C=5.7, b=0.32) and a silencer (C=3.4) from changes in air pressure in a tank being emptied
Open Research DataThe aim of the study was to determine the flow properties of serial connection of pneumatic components.The experiments were to measure the pressure changes in a being emptied tank for a directional control valve and a silencer arranged in-line. Three test configurations were used: (1) being emptied tank -> DCV -> ambient atmosphere, (2) pressure...