Temat: modeling environment - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Information-administrative architectures conception and principles of their modeling
Koncepcija informacionno-upravlencheskikh arkhitektur i principy ikh modelirovanija
Autorzy:: Danich, V.
Dyomin, M.
Powiązania:: https://bibliotekanauki.pl/articles/792526.pdf
Data publikacji:: 2012
Wydawca:: Komisja Motoryzacji i Energetyki Rolnictwa
Tematy:: information model
benchmarking
monitoring
information-administrative architecture
modeling environment
information management
Opis:: The articles are devoted to informationadministrative architecture and its monitoring conceptions. Approaches, methods and abstractions, allowing to carry out the IAA modeling and being the conceptual level of model with dynamic types definition is described. This allows designing and developing database for informationadministrative architecture monitoring.
Статья посвящена концепциям информационно-управленческих архитектрур и их мониторинга. Описаны подходы, методы и абстракции, позволяющие осуществлять моделирование архитектуры, являющиеся концептуальным уровнем модели с динамическим определением типов, что позволяет проектировать и реализовывать базы данных для мониторинга информационно-управленческих архитектур.
Źródło:: Teka Komisji Motoryzacji i Energetyki Rolnictwa; 2012, 12, 4
1641-7739
Pojawia się w:: Teka Komisji Motoryzacji i Energetyki Rolnictwa
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Numerical modelling of oil spill in New York Bay
Autorzy:: Toz, A. C.
Koseoglu, B.
Sakar, C.
Powiązania:: https://bibliotekanauki.pl/articles/205140.pdf
Data publikacji:: 2016
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: New York Bay
ADIOS
automated data inquiry for oil spills
GNOME
general NOAA operational modeling environment
numerical modelling
oil spill
Opis:: New York Bay is one of the most important transition regions of ships trading to east America. The region plays an important role in the commerce of the New York metropolitan area. The area is surrounded with the coasts that have various levels of environmental sensitivity. The area accommodates high diversity of native ecosystems and species that are rather vulnerable in case of oil spill. Thus getting well informed about the likelihood, or fate, of oil spills around this region is of great importance so that proactive measures can be taken. The purpose of this study is to investigate the oil spill and predict the future accidents likely to be encountered around the Bay of New York. Two trajectory models have been conducted for the study. ADIOS (Automated Data Inquiry for Oil Spills), has been conducted for natural degradation calculations, and, GNOME (General NOAA Operational Modeling Environment), has been conducted for surface spread simulation. The results gained through these efforts are hoped to be useful for many organizations dealing with oil spill response operations and contribute to an effective and efficient coordination among the relevant institutions.
Źródło:: Archives of Environmental Protection; 2016, 42, 4; 22-31
2083-4772
2083-4810
Pojawia się w:: Archives of Environmental Protection
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Ocena wpływu odwadniania przyszłej odkrywki "Piaski" KWB "Konin" SA na środowisko wodne
Impact assessment of the future "Piaski" open pit dewatering on the water environment
Autorzy:: Stachowicz, Z.
Szczepiński, J.
Powiązania:: https://bibliotekanauki.pl/articles/350768.pdf
Data publikacji:: 2007
Wydawca:: Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie. Wydawnictwo AGH
Tematy:: odwodnienie
środowisko
modelowanie przepływu
dewatering
environment
flow modeling
Opis:: Rozpoczęcie zdejmowania nadkładu w odkrywce "Piaski" planowane jest w 2010 roku, a w rok później przewiduje się wydobycie pierwszego węgla. Zdolność wydobywcza zakładu górniczego wyniesie około 3,5 mln ton węgla rocznie. Według obecnych założeń eksploatacja węgla w odkrywce zakończy się w 2036 roku. Rozpoznana i udokumentowana budowa geologiczna, warunki hydrogeologiczne oraz przyjęta technologia eksploatacji złoża wskazują na zastosowanie studziennego systemu odwadniania jako podstawowego. Uwzględniając warunki udostępniania złoża, w obszarze potencjalnego wpływu odwadniania wydzielono trzy poziomy wodonośne: nadkładowy, podwęglowy i kredowy. W celu określenia oddziaływania odwadniania na środowisko wodne wykorzystany został program obliczeniowy MODFLOW. Na dwuwarstwowym modelu numerycznym obejmującym obszar ok. 1550 km2 przedstawiono krążenie wód podziemnych w rejonie projektowanej odkrywki w warunkach naturalnych oraz w warunkach pracy systemu odwadniania kopalni. Wyniki obliczeń wskazują, że odwadnianie kopalni wywoła lej depresyjny o zasięgu od 3 do 6 km. Zasilanie wód podziemnych dopływających do systemu odwadniania pochodzić będzie w przeważającej części z infiltracji efektywnej oraz częściowo z rzeki Czarnej Strugi. Odwodnienie odkrywki spowodować może zmniejszenie dopływu podziemnego do rzeki Warty o około 1,9 m3/min.
Overburden stripping in the "Piaski" open-pit is planned in 2010 and the lignite production will start one year later. Production capacity will be 3.5 Mg/year. According to the present conception lignite production will finish in 2036. Identified and documented geology structure, hydrogeological conditions and technology of operation, enable to apply as a fundamental water wells dewatering system. Taking into account hydrogeological conditions, three hydrostratigraphic units were distinguished in the area of potential impact of dewatering: overburden aquifer, lignite underlying aquifer and cretaceous aquifer. To simulate dewatering impact on water environment the USGS program MODFLOW has been used. Based on the two-layered numerical model with area of 1550 km2, groundwater circulation was simulated in the natural conditions as well as in the conditions changed due to mine dewatering operations. The results indicate that because of mine dewatering the range of the cone of depression will amount to 3-5 km. Groundwater recharge originate mainly from the infiltration of precipitation and additionally from Czarna Struga river. Open pit dewatering may results in decrease of baseflow to Warta river by about 1.9 m3/min.
Źródło:: Górnictwo i Geoinżynieria; 2007, 31, 2; 567-574
1732-6702
Pojawia się w:: Górnictwo i Geoinżynieria
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: The impact of the size of the training set on the predictive abilities of neural models on the example of the Day-Ahead Market System of TGE S.A.
Autorzy:: Ruciński, Dariusz
Powiązania:: https://bibliotekanauki.pl/articles/2175162.pdf
Data publikacji:: 2022
Wydawca:: Uniwersytet Przyrodniczo-Humanistyczny w Siedlcach
Tematy:: Day Ahead Market
MATLAB environment
Simulink environment
neural modeling
prediction time
electricity prices
Opis:: The main object of the research was to examine the acceptable time horizon that could be predicted by previously learned models of the Day-Ahead Market (DAM) TGE S.A. system. The article contains the results of research on the predicting ability of different ANN models of the DAM TGE S.A. The research was conducted based on data covering the operation of the Polish stock exchange in the period from 2002 to 2019 (the first half of the year). The research was carried out based on the learned ANN models of the DAM system. Data were taken for examination covering the time from 2002 to 2019 (1st half of the year) and was divided into a different period, i.e., a month, a quarter, and a half-year., year, etc. The MSE, MAE, MAPE, and R2 were adopted as the criteria for assessing the ability of individual models to predict electricity prices. The research was carried out by successively expanding forecasting periods in a rolling manner. For example, for a half-year, prediction time intervals were increased from one week to month, two months, quarter, half-year, etc. results for a model representing a given period. A lot of interesting research results were obtained.
Źródło:: Studia Informatica : systems and information technology; 2022, 1(26); 5--22
1731-2264
Pojawia się w:: Studia Informatica : systems and information technology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: Inclusiveness as a key determinant of work engagement: evidence from V4 countries
Autorzy:: Borisov, Igor
Vinogradov, Szergej
Powiązania:: https://bibliotekanauki.pl/articles/22443128.pdf
Data publikacji:: 2022
Wydawca:: Instytut Badań Gospodarczych
Tematy:: empowerment
workplace autonomy
organizational learning environment
structural equation modeling
Opis:: Research background: There is currently a need for empirical research regarding the validity of specific work environment model elements supported by strong statistical evidence. The amount of research conducted in this field has been particularly limited in Central-Eastern Europe. The desire to fill in these gaps was at least in part responsible for the uniqueness of the research approach and its differences from previous similar studies. Purpose of the article: The purpose of this study was to examine factors affecting employee engagement and to examine their relationship with each other using Visegrad countries as an example. Methods: The initial data is taken from the fourth European Company Survey (2019) for management respondents. After data cleaning, the sample sizes for Czechia, Hungary Poland, and Slovakia are N(CZ)=904, N(HU)=682, N(PL)=511, and N(SK)=361, respectively. As a result of the exploratory factor analysis (EFA), the following five dimensions were identified for this research: (1) inclusiveness, (2) empowerment, (3) work autonomy, (4) organizational learning environment, and (5) work engagement. An analysis of structural equation modeling (SEM) was conducted to determine the links that exist among these dimensions of a constructive work environment. Findings & value added: The structural model indicates that inclusiveness and empowerment have a significant positive impact on work engagement in all the countries examined. Inclusiveness was the strongest predictor of work engagement, followed by empowerment. Both of the two other predictors in the model (workplace autonomy and organizational learning environment) generally had less or no effect on employee engagement. The present study extends recent literature on work engagement by empirically validating the influence of workplace environment-related factors, as well as providing useful organizational policy recommendations for managers.
Źródło:: Equilibrium. Quarterly Journal of Economics and Economic Policy; 2022, 17, 4; 1015-1050
1689-765X
2353-3293
Pojawia się w:: Equilibrium. Quarterly Journal of Economics and Economic Policy
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 6.

Tytuł:: Indicator of Environmental Problems of Agricultural Sectors Under the Environmental Modeling
Autorzy:: Sutthichaimethee, P.
Sawangdee, Y.
Powiązania:: https://bibliotekanauki.pl/articles/123997.pdf
Data publikacji:: 2016
Wydawca:: Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:: agricultural sector
revenue
environment cost
forward linkage
multiplier
modeling
sustainable
Opis:: The objective of this research is to propose an indicator to deal with environmental problems for agricultural sectors caused by goods and services production. The aspects to calculate the real benefit of agricultural sectors and environmental cost for analyzing are natural resources materials, energy and transportation, fertilizer and pesticides, and sanitary and similar service. From the research it was found that the highest environmental cost of natural resources materials was 026: charcoal and fire-wood, while the lowest was 010 coconut. The highest environmental cost for energy and transportation was 024: agricultural services, while the highest environmental cost for fertilizer and pesticides was 011: palm oil. lastly, 017: other agricultural products was found as the highest environmental cost for sanitary and similar service. As a result, 010: coconut gained the highest real benefit, while 024: agricultural services presented as the lowest read benefit for the company. If Thailand using environmental problem indicator, especially with the agricultural sector, it can help to formulate efficient policies and strategies for the country in 3 development areas, which are social, economic, and environmental development.
Źródło:: Journal of Ecological Engineering; 2016, 17, 2; 12-18
2299-8993
Pojawia się w:: Journal of Ecological Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 7.

Tytuł:: Identification modeling of Polish electric power exchange
Autorzy:: Marlęga, R.
Tchórzewski, J.
Powiązania:: https://bibliotekanauki.pl/articles/94879.pdf
Data publikacji:: 2016
Wydawca:: Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
Tematy:: parametrical model
identification modeling
simulation research
susceptibility testing
MATLAB
Simulink environment
Opis:: This paper contains selected results of identification modeling of Polish Electric Power Exchange (EPE). In order to obtain EPE system model it was performed identification based on figures of EPEís Day-Ahead Market. During performing identification process, parametric arx model in System Identification Toolbox environment was utilized. Generated EPE parametric model has been further used for performing simulation tests and realization of susceptibility testing. Suitable models were implemented in Simulink software. As a result of simulation and susceptibility testing, many interesting findings has been delivered.
Źródło:: Information Systems in Management; 2016, 5, 2; 195-204
2084-5537
2544-1728
Pojawia się w:: Information Systems in Management
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 8.

Tytuł:: State-space model and implementation Polish Power Exchange in Matlab and Simulnk environments
Autorzy:: Marlęga, R.
Powiązania:: https://bibliotekanauki.pl/articles/94817.pdf
Data publikacji:: 2017
Wydawca:: Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Wydawnictwo Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie
Tematy:: simulation research
parametric model
identification modeling
Matlab environment
Simulink environment
Business Intelligence
BI
state space
Opis:: This work contains selected results of research on modelling identification of Polish Power Exchange (TGEE) on the example of the figures quoted on the Day Ahead Market (DAM) on TGEE in Poland. In order to obtain a model of the TGEE system on the beginning it was conducted to identify the figures for the period 01.01.2013-31.12.2015 obtaining discrete parametric model arx in MATLAB and Simulink environments using System Identification Toolbox (SIT). The resultant model was converted to a continuous parametric model, and that one on a continuous model in the state space. On the basis of obtained equations of state and outputs, there was interpreted a state variables and parameters of the selected model, i.e. selected elements of the matrix A and matrix B. Research continues.
Źródło:: Information Systems in Management; 2017, 6, 4; 294-308
2084-5537
2544-1728
Pojawia się w:: Information Systems in Management
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 9.

Tytuł:: Mathematical model for determination of exhaust concentration dynamics in urban atmosphere under unknown turbulent air flow velocity
Autorzy:: Guseynov, S.
Kopytov, E.
Grishin, S.
Schiptsov, O.
Rimshans, J.
Powiązania:: https://bibliotekanauki.pl/articles/312623.pdf
Data publikacji:: 2010
Wydawca:: Instytut Naukowo-Wydawniczy "SPATIUM"
Tematy:: transport miejski
ekologia miasta
zanieczyszczenie środowiska
przepływ turbulentny
urban transport
air pollution
urban ecology
urban planning
environment mathematical modeling
city turbulent atmosphere
turbulent flow
Opis:: The paper proposes the 3-D nonlinear mathematical model for analytic determination of exhaust concentration dynamics in the city regions under the important stipulation that an airflow velocity is not a priory known. To determine an unknown airflow velocity the nonlinear mathematical model is proposed and this nonlinear model is solved by analytical method. In this model it is provided that the turbulent and molecular diffusion coefficient changes depending on the vertical remoteness above the ground surface. The proposed model can be used for solutions of operative problems on urban traffic organization, of long-term planning of urban agglomeration development and new highway building.
Źródło:: Autobusy : technika, eksploatacja, systemy transportowe; 2010, 11, 6
1509-5878
2450-7725
Pojawia się w:: Autobusy : technika, eksploatacja, systemy transportowe
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 10.

Tytuł:: Neural model of human gait and its implementation in MATLAB and Simulink Environment using Deep Learning Toolbox
Autorzy:: Tchórzewski, Jerzy
Wielgo, Arkadiusz
Powiązania:: https://bibliotekanauki.pl/articles/2052427.pdf
Data publikacji:: 2021
Wydawca:: Uniwersytet Przyrodniczo-Humanistyczny w Siedlcach
Tematy:: artificial neural network
deep learning toolbox
humanoid robots
MATLAB environment
Simulink environment
modeling of human walking motion
Opis:: The article presents selected results of research on the modeling of humanoid robots, including the results of neural modeling of human gait and its implementation in the environment MATLAB and Simulink with the use of Deep Learning Toolbox. The subject of the research was placed within the scope of the available literature on the subject. Then, appropriate research experiments on human movement along a given trajectory were developed. First, the method of measuring the parameters present in the experiment was established, i.e. input quantities (displacement of the left heel, displacement of the right heel) and output quantities (displacement of the measurement point of the human body in space). Then, research experiments were carried out, as a result of which numerical data were measured in order to use them for teaching and testing the Artificial Neural Network. The Perceptron Artificial Neural Network architecture was used to build a model of a neural human walk along a given trajectory. The obtained results were discussed and interpreted, drawing a number of important conclusions.
Źródło:: Studia Informatica : systems and information technology; 2021, 1-2(25); 39-65
1731-2264
Pojawia się w:: Studia Informatica : systems and information technology
Dostawca treści:: Biblioteka Nauki

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