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Wyszukujesz frazę "short-term load" wg kryterium: Temat


Wyświetlanie 1-7 z 7
Tytuł:
Experimental Tests of the Vector II Slab in Field Conditions, Slab and Strip Model
Autorzy:
Zając, Jakub
Drobiec, Łukasz
Jasiński, Radosław
Wieczorek, Mirosław
Kisiołek, Artur
Powiązania:
https://bibliotekanauki.pl/articles/1838083.pdf
Data publikacji:
2021
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
crack pattern
flexural analysis
interface
precast
slab
short-term load
pęknięcia
zginanie
prefabrykaty
płyty
obciążenie krótkotrwałe
Opis:
Vector II slab was tested on a natural scale (a slab with a dimension of 6.30 × 6.30 m) and a strip 6.30 m long and 1.20 m wide. The Vector II slab is built by precast panel 60 cm wide, 4 cm thick and 14-20 cm thick concrete overtopping on the construction site. The main purpose of the slab tests on a natural scale was to observe the "faulting" effect and temporary deflections. During the tests, the displacements in the area of the panel joints in the middle of the slab span were recorded. The maximum difference in displacement between adjacent panels of the slab model was 0.16 mm, and the vertical displacement was 1.9 mm. The strip model had no cracks that could indicate a interface cracks between the precast element and the concrete overlay. After completion of the field tests, the load was left on the slab model to verify long-term effects.
Źródło:
Civil and Environmental Engineering Reports; 2021, 31, 1; 54-69
2080-5187
2450-8594
Pojawia się w:
Civil and Environmental Engineering Reports
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Experimental Tests of the Vector II Slab in Field Conditions, Slab and Strip Model
Autorzy:
Zając, Jakub
Drobiec, Łukasz
Jasiński, Radosław
Wieczorek, Mirosław
Kisiołek, Artur
Powiązania:
https://bibliotekanauki.pl/articles/1838085.pdf
Data publikacji:
2021
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
crack pattern
flexural analysis
interface
precast
slab
short-term load
pęknięcia
zginanie
prefabrykaty
płyty
obciążenie krótkotrwałe
Opis:
Vector II slab was tested on a natural scale (a slab with a dimension of 6.30 × 6.30 m) and a strip 6.30 m long and 1.20 m wide. The Vector II slab is built by precast panel 60 cm wide, 4 cm thick and 14-20 cm thick concrete overtopping on the construction site. The main purpose of the slab tests on a natural scale was to observe the "faulting" effect and temporary deflections. During the tests, the displacements in the area of the panel joints in the middle of the slab span were recorded. The maximum difference in displacement between adjacent panels of the slab model was 0.16 mm, and the vertical displacement was 1.9 mm. The strip model had no cracks that could indicate a interface cracks between the precast element and the concrete overlay. After completion of the field tests, the load was left on the slab model to verify long-term effects.
Źródło:
Civil and Environmental Engineering Reports; 2021, 31, 1; 54-69
2080-5187
2450-8594
Pojawia się w:
Civil and Environmental Engineering Reports
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Is short term debt maturity linked to real earning management?
Autorzy:
Nguyen, Thanh Liem
Trinh, Quoc Trung
Nguyen, Vinh Khuong
Cao Thi, Mien Thuy
Powiązania:
https://bibliotekanauki.pl/articles/2174425.pdf
Data publikacji:
2022
Wydawca:
Uniwersytet Zielonogórski. Wydział Ekonomii i Zarządzania
Tematy:
real earnings management
debt maturity
short-term load
information asymmetry
zarządzanie realnymi zarobkami
zapadalność długu
kredyt krótkoterminowy
Opis:
This paper explores the association between the maturity of short term debt and real earnings management in the context of an emerging market. We use a panel dataset of listed firms in Vietnam over the period from 2009 to 2017 and employ conventional methods for panel data analysis. Our work contributes by documenting a non-linear relationship between short-term debt maturity and manipulation of earnings. In particular, businesses prefer to refrain from manipulating earnings at low short-term debt maturity levels but are likely to manage them at higher short-term debt maturity levels. Under a battery of robustness evaluations, this result remains unchanged. This means that investors/lenders of firms should be vigilant with the information recorded on financial statements because managers can manage corporate earnings, especially at high short-term debt levels.
Źródło:
Management; 2022, 26, 1; 189--203
1429-9321
2299-193X
Pojawia się w:
Management
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
An overview of deep learning techniques for short-term electricity load forecasting
Autorzy:
Adewuyi, Saheed
Aina, Segun
Uzunuigbe, Moses
Lawal, Aderonke
Oluwaranti, Adeniran
Powiązania:
https://bibliotekanauki.pl/articles/117932.pdf
Data publikacji:
2019
Wydawca:
Polskie Towarzystwo Promocji Wiedzy
Tematy:
Short-term Load Forecasting
Deep Learning Architectures
RNN
LSTM
CNN
SAE
prognozowanie obciążenia krótkoterminowego
architektura głębokiego uczenia
Opis:
This paper presents an overview of some Deep Learning (DL) techniques applicable to forecasting electricity consumptions, especially in the short-term horizon. The paper introduced key parts of four DL architectures including the RNN, LSTM, CNN and SAE, which are recently adopted in implementing Short-term (electricity) Load Forecasting problems. It further presented a model approach for solving such problems. The eventual implication of the study is to present an insightful direction about concepts of the DL methods for forecasting electricity loads in the short-term period, especially to a potential researcher in quest of solving similar problems.
Źródło:
Applied Computer Science; 2019, 15, 4; 75-92
1895-3735
Pojawia się w:
Applied Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Forecasting short-term electric load using extreme learning machine with improved tree seed algorithm based on Lévy flight
Autorzy:
Chen, Xuan
Przystupa, Krzysztof
Ye, Zhiwei
Chen, Feng
Wang, Chunzhi
Liu, Jinhang
Gao, Rong
Wei, Ming
Kochan, Orest
Powiązania:
https://bibliotekanauki.pl/articles/2087016.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Polskie Naukowo-Techniczne Towarzystwo Eksploatacyjne PAN
Tematy:
short-term electric load forecast
extreme learning machine
Lévy flight
tree-seed algorithm
Kernel principal component analysis
Opis:
In recent years, forecasting has received increasing attention since it provides an important basis for the effective operation of power systems. In this paper, a hybrid method, composed of kernel principal component analysis (KPCA), tree seed algorithm based on Lévy flight (LTSA) and extreme learning machine (ELM), is proposed for short-term load forecasting. Specifically, the randomly generated weights and biases of ELM have a significant impact on the stability of prediction results. Therefore, in order to solve this problem, LTSA is utilized to obtain the optimal parameters before the prediction process is executed by ELM, which is called LTSA-ELM. Meanwhile, the input data is extracted by KPCA considering the sparseness of the electric load data and used as the input of LTSA-ELM model. The proposed method is tested on the data from European network on intelligent technologies (EUNITE) and experimental results demonstrate the superiority of the proposed approaches compared to the other methods involved in the paper.
Źródło:
Eksploatacja i Niezawodność; 2022, 24, 2; 153--162
1507-2711
Pojawia się w:
Eksploatacja i Niezawodność
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Loadability maximisation in bilateral network for real-time forecasting system using cuckoo search algorithm
Autorzy:
Venkatasivanagaraju, S.
Rao, M. Venkateswara
Powiązania:
https://bibliotekanauki.pl/articles/38699704.pdf
Data publikacji:
2023
Wydawca:
Instytut Podstawowych Problemów Techniki PAN
Tematy:
optimal power flow
NR method
short-term load forecasting
long-term load forecasting
cuckoo search algorithm
optimisation
loss minimisation
optymalny przepływ mocy
metoda NR
krótkoterminowe prognozowanie obciążeń
długoterminowe prognozowanie obciążeń
algorytm kukułki
optymalizacja
minimalizacja strat
Opis:
This manuscript proposes an optimal power flow (OPF) solution in a coordinated bilateralpower network. The primary goal of this project is to maximise the benefits of the powermarket using Newton–Raphson (NR) and cuckoo search algorithm CSA methodologies.The global solution is found using a CSA-based optimisation approach. The study isconducted on real-time bus system. To avoid this, creative techniques have lately beenused to handle the OPF problem, such as loadability maximisation for real-time predictionsystems employing the CSA. In this work, cuckoo search (CS) is used to optimise theobtained parameters that help to minimise parameters in the predecessor and consequentunits of each sub-model. The proposed approach is used to estimate the power load in thelocal area. The constructed models show excellent predicting performance based on derivedperformance. The results confirm the method’s validity. The outcomes are compared withthose obtained by using the NR method. CSA outperformed the other methods in thisinvestigation and gave more accurate predictions. The OPF problem is solved via CSAin this study. Implementing a real-time data case bus system is recommended to test theperformance of the established method in the MATLAB programme.
Źródło:
Computer Assisted Methods in Engineering and Science; 2023, 30, 1; 73-88
2299-3649
Pojawia się w:
Computer Assisted Methods in Engineering and Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Selection of decisive variables for the construction of typical end user power demand profiles
Dobór zmiennych decyzyjnych do budowy charakterystycznych profili zapotrzebowania odbiorców końcowych na moc i energię elektryczną
Autorzy:
Necka, K.
Powiązania:
https://bibliotekanauki.pl/articles/791986.pdf
Data publikacji:
2013
Wydawca:
Komisja Motoryzacji i Energetyki Rolnictwa
Tematy:
concentration analysis
load profile
load variation rate
short-term forecast
power consumption
clustering method
Źródło:
Teka Komisji Motoryzacji i Energetyki Rolnictwa; 2013, 13, 2
1641-7739
Pojawia się w:
Teka Komisji Motoryzacji i Energetyki Rolnictwa
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-7 z 7

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