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Wyświetlanie 1-3 z 3
Tytuł:
Neural network with single hidden layer for air traffic volume prediction in uncontrolled airspace
Autorzy:
Paszyński, Piotr
Gnyś, Piotr
Powiązania:
https://bibliotekanauki.pl/articles/23311606.pdf
Data publikacji:
2022
Wydawca:
Politechnika Gdańska
Tematy:
general aviation
uncontrolled airspace
neural networks
Opis:
This article presents a model enabling more efficient air traffic management achieved by better data use . Appropriate resource allocation is possible if it is based on a high quality air traffic volume forecast. The proposed approach is inspired by procedures used in flow management in air traffic control. Staff planning in controlled airspace is easier because almost all operations are communicated in the submitted flight plan. Short-term prediction of the number of operations in uncontrolled airspace is a much more challenging task. It is correlated with weather parameters and moreover, it naturally fluctuates throughout the day and the season. The relationship between General Aviation (GA) traffic volume and meteorological conditions were modeled using neural network. The obtained results confirm that it is possible to use the decision support system to plan the number of operational sectors. The described results open a scientific discussion about designing tools predicting air traffic volume in uncontrolled air space. The accuracy of the model can be improved by processing data from additional sources, but it is associated with a significant increase in the complexity of the solution.
Źródło:
TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk; 2022, 26, 3
1428-6394
Pojawia się w:
TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Application of long short term memory neural networks for GPS satellite clock bias prediction
Autorzy:
Gnyś, Piotr
Przestrzelski, Paweł
Powiązania:
https://bibliotekanauki.pl/articles/1987078.pdf
Data publikacji:
2021-12-30
Wydawca:
Politechnika Gdańska
Tematy:
neural networks
LSTM
time series prediction
clock bias
GNSS
machine learning
Opis:
Satellite-based localization systems like GPS or Galileo are one of the most commonly used tools in outdoor navigation. While for most applications, like car navigation or hiking, the level of precision provided by commercial solutions is satisfactory it is not always the case for mobile robots. In the case of long-time autonomy and robots that operate in remote areas battery usage and access to synchronization data becomes a problem. In this paper, a solution providing a real-time onboard clock synchronization is presented. Results achieved are better than the current state-of-the-art solution in real-time clock bias prediction for most satellites.
Źródło:
TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk; 2021, 25, 4; 381-395
1428-6394
Pojawia się w:
TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Application of visual classification algorithms for identification of underwater audio signals
Autorzy:
Gnyś, Piotr
Szczęsna, Gabriela
Domínguez-Brito, Antonio C.
Cabrera-Gámez, Jorge
Powiązania:
https://bibliotekanauki.pl/articles/23956852.pdf
Data publikacji:
2022
Wydawca:
Politechnika Gdańska
Tematy:
audio processing
audio classification
convolutional neural network
Opis:
An audio processing and classification pipeline is presented in this work. The main focus is on the classification of sounds in a marine acoustic environment, however, the presented approach can be applied to other audio data. Audio samples from heterogeneous sources automatically spliced, normalized and transformed into spectrogram based visual representation are tagged on the pipeline input. The said representation is then used to train a convolutional neural network that can identify the presented categories in future recordings.
Źródło:
TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk; 2022, 26, 4
1428-6394
Pojawia się w:
TASK Quarterly. Scientific Bulletin of Academic Computer Centre in Gdansk
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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