Autor: Almeida, Fernando - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Loop-shaping h∞ control of an aeropendulum model
Autorzy:: Breganon, Ricardo
Alves, Uiliam Nelson L. T.
De Almeida, João Paulo L.S.
Ribeiro, Fernando S. F.
Mendonça, Marcio
Palácios, Rodrigo H. C.
Montezuma, Marcio A. F.
Powiązania:: https://bibliotekanauki.pl/articles/2106458.pdf
Data publikacji:: 2021
Wydawca:: Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:: modelowanie dynamiczne
wahadło aerodynamiczne
sterowanie
dynamic system modeling
aeropendulum
H∞ control
Opis:: This work presents a mathematical model of an aeropendulum system with two sets of motors with propellers and the design and simulation of a loop-shaping h∞control for this system. In this plant, the objective is to control the angular position of the pendulum rod through the torque generated by the thrust of the motorized propellers at the end of the rod’s axis. The control design is obtained by first using feedback linearization and then designing the h∞ controller using the resulting linear system. For the control strategy validation, simulations were conducted in the Matlab/Simulink® environment, and the weighting functions for the h∞ controller were adjusted to obtain the desired performance and stability of the closed-loop system. The simulation results show the efficiency of the applied methodology.
Źródło:: International Journal of Applied Mechanics and Engineering; 2021, 26, 4; 1--16
1734-4492
2353-9003
Pojawia się w:: International Journal of Applied Mechanics and Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Open Data’s Role in Social Innovation Initiatives to Fight COVID-19
Autorzy:: Almeida, Fernando
Powiązania:: https://bibliotekanauki.pl/articles/1934184.pdf
Data publikacji:: 2021
Wydawca:: Akademia Leona Koźmińskiego w Warszawie
Tematy:: Covid-19
open data
social innovation
entrepreneurship
technology
Opis:: Purpose: This study aims to explore the role open data assumes in social innovation initiatives that combat the effects of Covid-19, in which quantitative information about these projects is complemented with the analysis of open data innovation capabilities. Methodology: A mixed methods approach is adopted. Initially, quantitative data regarding the number of innovative projects is extracted from the OPSI framework. Then, in a second phase, qualitative data from each project is explored to explore the open data innovation capabilities offered by each initiative. Results: The results reveal that most social innovation initiatives focus on the area of data visualization dashboards and open datasets. However, some projects address other areas, e.g. hackathons, service availability, and tourism information. Implications: Covid-19 profoundly affects the lives of people and businesses, and open data can assume a determinant role in mitigating these effects and improve information transparency and collaboration between public and private entities. Originality/Value: This study is relevant for the establishment of supportive public policies that promote the emergence of open-data-driven initiatives to mitigate the effects of Covid-19 in several areas such as the economy, education, and leisure.
Źródło:: Central European Management Journal; 2021, 29(3); 2-19
2658-0845
2658-2430
Pojawia się w:: Central European Management Journal
Dostawca treści:: Biblioteka Nauki

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