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Wyszukujesz frazę "Stoica, C." wg kryterium: Autor


Wyświetlanie 1-2 z 2
Tytuł:
Predictive control for trajectory tracking and decentralized navigation of multi-agent formations
Autorzy:
Prodan, I.
Olaru, S.
Stoica, C.
Niculescu, S. I.
Powiązania:
https://bibliotekanauki.pl/articles/330700.pdf
Data publikacji:
2013
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
multi-agent system
linear system
model predictive control
potential function
polyhedral function
system wieloagentowy
system linearny
sterowanie predykcyjne
funkcja potencjału
Opis:
This paper addresses a predictive control strategy for a particular class of multi-agent formations with a time-varying topology. The goal is to guarantee tracking capabilities with respect to a reference trajectory which is pre-specified for an agent designed as the leader. Then, the remaining agents, designed as followers, track the position and orientation of the leader. In real-time, a predictive control strategy enhanced with the potential field methodology is used in order to derive a feedback control action based only on local information within the group of agents. The main concern is that the interconnections between the agents are time-varying, affecting the neighborhood around each agent. The proposed method exhibits effective performance validated through some illustrative examples.
Źródło:
International Journal of Applied Mathematics and Computer Science; 2013, 23, 1; 91-102
1641-876X
2083-8492
Pojawia się w:
International Journal of Applied Mathematics and Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Inverse Hall-Petch Like Mechanical Behaviour in Nanophase Al-Cu-Fe Quasicrystals: A New Phenomenon
Autorzy:
Mukhopadhyay, N.
Ali, F.
Scudino, S.
Samadi Khoshkhoo, M.
Stoica, M.
Srivastava, V.
Uhlenwinkel, V.
Vaughan, G.
Suryanarayana, C.
Eckert, J.
Powiązania:
https://bibliotekanauki.pl/articles/1373423.pdf
Data publikacji:
2014-08
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
61.44.Br
Opis:
The structural and mechanical stability of quasicrystals are important issues due to their potential for possible applications at high temperatures and stresses. The aim of the present work is, therefore, to review the earlier works on conventional crystalline and quasicrystalline materials and also to report the results and the analysis on the Hall-Petch and inverse Hall-Petch like behavior of nanoquasicrystalline $Al_{62.5}Cu_{25}Fe_{12.5}$ alloys. It was observed that, at large grain sizes, the hardness increases with decreasing grain size, exhibiting the conventional Hall-Petch relationship, whereas for smaller grains, inverse Hall-Petch behavior was identified. The inverse Hall-Petch behavior in the nanoquasicrystalline phase could be attributed to thermally activated shearing of the grain boundaries, leading to grain boundary sliding in nanostructures of quasicrystalline grains. These results were analyzed based on the dislocation pile-up model as well as the grain boundary shearing models applicable to nanomaterials.
Źródło:
Acta Physica Polonica A; 2014, 126, 2; 543-548
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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