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Tytuł:
Hierarchical filtration for distributed linear multisensor systems
Autorzy:
Duda, Z.
Powiązania:
https://bibliotekanauki.pl/articles/229333.pdf
Data publikacji:
2012
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
multisensor system
distributed Kalman filtering
decentralized filtration
hierarchical fusion
aggregated information
Opis:
In the paper two filtration algorithms for distributed multisensor system are presented. The first one is derived for a linear dynamical system composed of local subsystems described by local state equations. Local estimates are sent to a central station to be fused and formed an optimal global estimate. The second algorithm is derived for a system observed by local nodes that determine estimates of the whole system using local information and periodically aggregated information from other nodes. Periodically local estimates are sent to the central station to be fused. Owing to this a reduced communication can be achieved.
Źródło:
Archives of Control Sciences; 2012, 22, 4; 507-518
1230-2384
Pojawia się w:
Archives of Control Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
State estimation in a decentralized discrete time LQG control for a multisensor system
Autorzy:
Duda, Z.
Powiązania:
https://bibliotekanauki.pl/articles/964034.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
multisensor system
LQG problem
Kalman filter
Opis:
In the paper a state filtration in a decentralized discrete time Linear Quadratic Gaussian problem formulated for a multisensor system is considered. Local optimal control laws depend on global state estimates and are calculated by each node. In a classical centralized information pattern the global state estimators use measurements data from all nodes. In a decentralized system the global state estimates are computed at each node using local state estimates based on local measurements and values of previous controls, from other nodes. In the paper, contrary to this, the controls are not transmitted between nodes. It leads to nonconventional filtration because the controls from other nodes are treated as random variables for each node. The cost for the additional reduced transmission is an increased filter computation at each node.
Źródło:
Archives of Control Sciences; 2017, 27, 1; 29-39
1230-2384
Pojawia się w:
Archives of Control Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Preservation of raw meat - present status and foreseen technologies
Utrwalanie miesa - stan aktualny i przewidywane technologie
Autorzy:
Duda, Z
Powiązania:
https://bibliotekanauki.pl/articles/826520.pdf
Data publikacji:
1999
Wydawca:
Polskie Towarzystwo Technologów Żywności
Tematy:
technologia zywnosci
przetwory miesne
postep technologiczny
stan obecny
surowce rzezne
przemysl miesny
utrwalanie zywnosci
perspektywy
mieso
food technology
processed meat
technological progress
present state
meat industry
food preservation
perspective
meat
Opis:
In the paper an attempt was made to highlight various aspects of present status and foreseen methods, technologies and techniques for fresh meat and processed meat products preservation. Emphasis was made on existing preservation methods categories and the means of preservation within each category used. Prediction for future direction of traditional preservation methods usage is made. Potentiality for use of novel non-conventional methods as tools for slaughter raw material and processed meat product preservation is presented.
W przeglądowym opracowaniu podjęto próbę przedstawienia współczesnych i przyszłościowych metod, technologii i technik utrwalania mięsa i przetworów mięsnych. Zaprezentowano poglądy na podział i kategoryzowanie metod i technik utrwalania surowców rzeźnych i finalnych wyrobów. Omówiono przewidywane kierunki rozwoju i postępu tradycyjnych metod utrwalania oraz potencjalne możliwości wykorzystania do tego celu technologii niekonwencjonalnych.
Źródło:
Żywność Nauka Technologia Jakość; 1999, 06, 4; 5-21
1425-6959
Pojawia się w:
Żywność Nauka Technologia Jakość
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Fusion filtration in LQG control for multisensor systems
Autorzy:
Duda, Z.
Powiązania:
https://bibliotekanauki.pl/articles/206075.pdf
Data publikacji:
2013
Wydawca:
Polska Akademia Nauk. Instytut Badań Systemowych PAN
Tematy:
multisensor system
Kalman filter
LQG problem
fusion filtration
Opis:
In the paper, state filtration in a LQG problem formulated for a multisensor system is considered. Control is determined by a central node as a linear form of a state estimate. It is assumed that control values are not available to local nodes. Because of the drawbacks of centralized filtration an optimal fusion of decentralized local Kalman filters is proposed. When control values are not available to local nodes, then control should be treated as a random variable in the synthesis of local state estimates. This leads to a non-classical estimation. It is shown that the proposed filter is equivalent to the centralized one.
Źródło:
Control and Cybernetics; 2013, 42, 4; 743-754
0324-8569
Pojawia się w:
Control and Cybernetics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Fusion Kalman filtration for distributed multisensor systems
Autorzy:
Duda, Z.
Powiązania:
https://bibliotekanauki.pl/articles/229236.pdf
Data publikacji:
2014
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
fusion Kalman filtration
multisensor system
one step delay information
Opis:
In the paper, fusion state hierarchical filtration for a multisensor system is considered. An optimal global Kalman filter is realized by a central node in the information form. The state estimate depends on local information that should be sent by local nodes. Two information structures are considered in the paper. In the first case local estimates are based on the local measurement information. It leads to distributed Kalman filter fusion that is well known in a literature. In the second case local node has additionally global information of the system with one step delay. A synthesis of local filters is presented. An advantage of this structure is discussed.
Źródło:
Archives of Control Sciences; 2014, 24, 1; 53-65
1230-2384
Pojawia się w:
Archives of Control Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
On some nonconventional problem of a state filtration
Autorzy:
Duda, Z.
Powiązania:
https://bibliotekanauki.pl/articles/970607.pdf
Data publikacji:
2008
Wydawca:
Polska Akademia Nauk. Instytut Badań Systemowych PAN
Tematy:
hierarchical control structure
nonconventional state filtration
modified innovations
orthogonality principle
Opis:
In the paper nonconventional linear equations of state filtration are derived. They are useful for some two-level hierarchical control system structure with coordinator and local controllers having different information. It is assumed that the system considered is described by a linear output equation and a linear state equation with control being a random variable for the coordinator generated by decision rules of the local controllers. The approach to state filtration is based on modified innovations and orthogonality principle. A simple numerical example is presented.
Źródło:
Control and Cybernetics; 2008, 37, 3; 531-547
0324-8569
Pojawia się w:
Control and Cybernetics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Fusion Kalman filtration with k-step delay sharing pattern
Autorzy:
Duda, Z.
Powiązania:
https://bibliotekanauki.pl/articles/229569.pdf
Data publikacji:
2015
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
fusion Kalman filtration
multisensor system
k− step delay sharing pattern
Opis:
A fusion hierarchical state filtration with k−step delay sharing pattern for a multisensor system is considered. A global state estimate depends on local state estimates determined by local nodes using local information. Local available information consists of local measurements and k−step delay global information - global estimate sent from a central node. Local estimates are transmitted to the central node to be fused. The synthesis of local and global filters is presented. It is shown that a fusion filtration with k−step delay sharing pattern is equivalent to the optimal centralized classical Kalman filtration when local measurements are transmitted to the center node and used to determine a global state estimate. It is proved that the k−step delay sharing pattern can reduce covariances of local state errors.
Źródło:
Archives of Control Sciences; 2015, 25, 3; 307-318
1230-2384
Pojawia się w:
Archives of Control Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Two-level stochastic control for a linear system with nonclassical information
Autorzy:
Duda, Z.
Brandys, W.
Powiązania:
https://bibliotekanauki.pl/articles/907409.pdf
Data publikacji:
2004
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
sterowanie stochastyczne
informacja nieklasyczna
struktura hierarchiczna
stochastic control
nonclassical information
hierarchical structure
Opis:
A problem of control law design for large scale stochastic systems is discussed. Nonclassical information pattern is considered. A two-level hierarchical control structure with a coordinator on the upper level and local controllers on the lower level is proposed. A suboptimal algorithm with a partial decomposition of calculations and decentralized local control is obtained. A simple example is presented to illustrate the proposed approach.
Źródło:
International Journal of Applied Mathematics and Computer Science; 2004, 14, 2; 161-166
1641-876X
2083-8492
Pojawia się w:
International Journal of Applied Mathematics and Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Revitalization of Plauens Dike within the historical defence walls of the Malbork Castle Museum in Malbork
Rewitalizacja Wałów von Plauena w obszarze zabytkowych murów obronnych Zespołu Zamkowego w Malborku
Autorzy:
Duda, Z.
Kryzia, K.
Powiązania:
https://bibliotekanauki.pl/articles/348635.pdf
Data publikacji:
2012
Wydawca:
Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:
Wały Plauena
rewitalizacja
Zespół Zamkowy w Malborku
Plauen's Dike
revitalization
Malbork Castle Complex
Opis:
Fortifications of the Malbork Castle Complex are composed of the High Castle, the Medium Castle and the Lower Castle - Przedzamcze, separated with defence walls. This paper examines the revitalization of the area surrounding the Castle Museum along with the adjacent areas of the Malbork municipality, with particular attention devoted to the preservation of the historical fortifications in the eastern part of Przedzamcze (the Lower Castle). The revitalization project is focused on making the historical area available to the public and on customizing it to the needs and standards of contemporary tourism, as well as on reconstructing it to its historical form designed on the basis of iconographic sources. The area surrounding Wał Plauena (Plauen's Dike) within Malbork Castle will be restored as a tourist highlight and cultural venue by means of infrastructural modernization and conservation of the fortification structures.
Kompleks zamkowy w Malborku, który stanowią Zamek Wysoki, Zamek Średni, Zamek Niski - Przedzamcze oddzielone murami obronnymi, tworzy formę architektury fortyfikacyjnej. W artykule przedstawiono rewitalizację terenu Muzeum Zamkowego wraz z przyległymi obszarami gminy Malbork ze szczególnym uwzględnieniem prac konserwatorskich historycznych obiektów fortyfikacyjnych wschodniej części Przedzamcza. Rewitalizacja tego rejonu nastawiona jest na udostępnienie społeczeństwu zabytkowych terenów z równoczesnym dostosowaniem do współczesnych potrzeb turystów oraz przywróceniu im określonej formy ustalonej w wyniku badań naukowych. W obszarze kompleksu zamkowego w Malborku przy Wałach von Plauena poprzez modernizację infrastruktury i konserwację obiektów fortyfikacyjnych nastąpi ożywienie i usprawnienie ruchu turystycznego oraz aktywizacja turystyczna.
Źródło:
AGH Journal of Mining and Geoengineering; 2012, 36, 2; 131-136
1732-6702
Pojawia się w:
AGH Journal of Mining and Geoengineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The reconstruction of the historical building of the Latin School in Malbork
Autorzy:
Duda, Z.
Kryzia, K.
Powiązania:
https://bibliotekanauki.pl/articles/178813.pdf
Data publikacji:
2013
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
rekonstrukcja historyczna
rekonstrukcja obiektu
rekonstrukcja zabytków
budynek historyczny
Szkoła Łacińska
Malbork
historical reconstruction
reconstruction of the object
reconstruction of historical monuments
historical building
Latin School
Opis:
The paper summarizes the reconstruction of the historical building erected in the 14th century, during the times of the residence of Grand Master of the Teutonic Order Winrich von Kniprode, currently referred to as the Latin School. It characterizes the location of the Latin School in the urban conservation area of the town of Malbork. The building is situated in the stretch of the buttressed brick escarpment on the Nogat River in the line of the historic defensive walls of Malbork. The paper also outlines the history of this building, constructed and managed by the municipal authorities of Malbork, which for a long time was a seat of a Patronage of Saint George and the Merchant Guild, and next, from the 16th century until 1864, the building housed a school where basic Latin was taught. Next, the situation of this historical monument in the 20th century is discussed. In the next part of the paper, the geological conditions of the site where the building was erected are discussed. The conducted archeological and architectural exploratory research related to the historical building with a particular emphasis on historic preservation and restoration works focusing on the building and its surroundings is presented and analyzed. Currently carried out design, construction and adaptation works allowing new functions to be embedded into this building are also discussed. The paper shows the benefits due to the realization of the reconstruction program of the degraded building of the Latin school in the historic quarter of the town. These activities are aimed at the conversion of the currently derelict building by means of embedding new functions into it. There are being designed, among others, an interactive educational center modern library, astronomical observatory, craft museum and multifunctional hall, allowing proper conditions to be created for the development of educational, artistic and tourism related activities in the reconstructed building. The reconstruction of the historical building is a positive response to its deterioration resulting from former activities and it will contribute to the improvement of the quality of cultural life of both local inhabitants and visitors.
Źródło:
Studia Geotechnica et Mechanica; 2013, 35, 1; 85-92
0137-6365
2083-831X
Pojawia się w:
Studia Geotechnica et Mechanica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Lemnaceae biomass as an alternative substrate for renewable energy
Autorzy:
Romanowska-Duda, Z.
Pszczółkowski, W.
Powiązania:
https://bibliotekanauki.pl/articles/105786.pdf
Data publikacji:
2013
Wydawca:
Centrum Badań i Innowacji Pro-Akademia
Tematy:
Lemnaceae biomass
renewable energy sources
biofuel eutrophication
biomasa Lemnaceae
odnawialne źródła energii
eutrofizacja biopaliw
Opis:
This article describes the possibilities of using Lemnaceae biomass as a possible raw material for the development of renewable energy. In the first part, the authors analyze the causes of eutrophication as a process of enrichment of water reservoirs that favors the development of potential energy substrates. Next, the role of macrophytes in restoring the ecological balance of freshwater ecosystems, as well as the biofuel potential of Lemnaceae plants, is presented.
Źródło:
Acta Innovations; 2013, 9; 23-31
2300-5599
Pojawia się w:
Acta Innovations
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Application of Phytotoxkit in the quick assessment of ashes suitability as fertilizers in sorghum crops
Autorzy:
Romanowska-Duda, Z.
Janas, R.
Grzesik, M.
Powiązania:
https://bibliotekanauki.pl/articles/2082497.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:
ash
sorghum
Jerusalem artichoke
growth
Opis:
The aim of the research was to check the suitability of the Phytotoxkit test for quick assessment of usefulness of ashes from the combustion of sorghum and Jerusalem artichoke biomass as fertilizers in the cultivation of energy crops. Seeds of Sorghum bicolor L. were placed in the Phytotoxkit-plates, filled with Alonet Substrate KS (Latvia) and containing 0-100% of ash from burnt sorghum and Jerusalem artichoke plants. Based on daily measurements under greenhouse conditions, dynamics of seed germination, growth speed of shoots and roots, their fresh and dry biomass, index of chlorophyll content and parameters of gas exchange were evaluated. The results indicated that the modified Phytotoxkit biotest could be useful for quick assessment of ashes usefulness as fertilizers, it can be performed under greenhouse conditions regardless of the growing season and may be an alternative to laborious and long-term field trials. Biotest showed that the studied ashes, used in the proper dosages, improved seed germination, plant growth and biomass yield. These events were associated with increased index of chlorophyll content in leaves, net photosynthesis, stomatal conductivity, transpiration and proportionally decreased concentration of intercellular CO2. This indicate, that the studied ashes can be used as fertilizers in sorghum crops.
Źródło:
International Agrophysics; 2019, 33, 2; 145-152
0236-8722
Pojawia się w:
International Agrophysics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ash from Jerusalem artichoke and biopreparations enhance the growth and physiological activity of sorghum and limit environmental pollution by decreasing artificial fertilization needs
Autorzy:
Romanowska-Duda, Z.
Grzesik, M.
Janas, R.
Powiązania:
https://bibliotekanauki.pl/articles/2082916.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Instytut Agrofizyki PAN
Tematy:
fertilization
physiological activity
Jerusalem
artichoke ash
sorghum growth
Opis:
An increase in plant productivity and the limitation of environmental pollution through the use of natural fertilizers are becoming the most important issues in contemporary sustainable agriculture. Therefore, the purpose of the research was to demonstrate the effect of Jerusalem artichoke ash, used alone or together with biopreparations and biogas plant waste, on the growth and physiological activity of sorghum and to show their applicability as an alternative to chemical fertilization. The sorghum plants, cultivated in Central and North Poland, were fertilized with the YaraMila Complex, a chemical fertilizer (0, 150, 300 kg ha-1) and each concentration was supplemented with Jerusalem artichoke ash (0-4 t ha-1), applied separately or together with Apol-Humus (10 L ha-1), biogas plant waste (30 m3 ha-1) and Stymjod (5 L ha-1). Within each YaraMila Complex addition, the all ash doses (preferably 2-4 t ha-1), biopreparations and biogas plant waste significantly enhanced plant growth, biomass yield, chlorophyll content, gas exchange (net photosynthesis, transpiration, stomatal conductance, intercellular CO2 concentration), enzyme activity (acid and alkaline phosphorylase, RNase, dehydrogenase) and slightly enhanced the content of the measured elements in plants and their energy properties. The ash applied together with a lower than recommended amount of YaraMila Complex (0 or 150 kg ha-1) increased plant development slightly more than twice the dose of YaraMila Complex used alone (150 or 300 kg ha-1, respectively). This demonstrates that the studied ash can serve as a natural fertilizer and may halve the recommended chemical fertilizer doses.
Źródło:
International Agrophysics; 2020, 34, 3; 365-379
0236-8722
Pojawia się w:
International Agrophysics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Climate change and the cultivation of energy crops
Autorzy:
Piotrowski, K.
Romanowska-Duda, Z.
Grzesik, M.
Powiązania:
https://bibliotekanauki.pl/articles/105766.pdf
Data publikacji:
2014
Wydawca:
Centrum Badań i Innowacji Pro-Akademia
Tematy:
climate
climate change
energy crops
global adaptation
energetic plants
energy demand
klimat
zmiana klimatu
rośliny energetyczne
adaptacja globalna
zapotrzebowanie energii
Opis:
Atmospheric circulation, temperature, hydrological cycles, and solar radiation affect all organisms on earth. Rapid climate change, with positive and negative effects, forces people to create new and effective solutions in the fields of industry, agriculture and construction in all aspects of the global economy. Developing appropriate strategies for growing energy crops using organic methods will help to reduce the negative effects of global environmental change.
Źródło:
Acta Innovations; 2014, 11; 19-29
2300-5599
Pojawia się w:
Acta Innovations
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 60

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