Zobrazeno 1 - 10
of 967
pro vyhledávání: '"López, Rodrigo A."'
Context. The transition from left-hand to right-hand polarized Alfv\'en waves depends on the wavenumber, the ratio of kinetic to magnetic pressure $\beta$, temperature anisotropy, and ion composition of the plasma. Along with the temperature anisotro
Externí odkaz:
http://arxiv.org/abs/2407.04044
Autor:
Pezzini, Luca, Zhukov, Andrei N., Bacchini, Fabio, Arrò, Giuseppe, López, Rodrigo A., Micera, Alfredo, Innocenti, Maria Elena, Lapenta, Giovanni
The expanding solar wind plasma ubiquitously exhibits anisotropic non-thermal particle velocity distributions. Typically, proton Velocity Distribution Functions (VDFs) show the presence of a core and a field-aligned beam. Novel observations made by P
Externí odkaz:
http://arxiv.org/abs/2405.08196
Autor:
Aldana-López, Rodrigo, Macchelli, Alessandro, Notarstefano, Giuseppe, Aragüés, Rosario, Sagüés, Carlos
This paper introduces a novel distributed optimization technique for networked systems, which removes the dependency on specific parameter choices, notably the learning rate. Traditional parameter selection strategies in distributed optimization ofte
Externí odkaz:
http://arxiv.org/abs/2404.13529
The signal differentiation problem involves the development of algorithms that allow to recover a signal's derivatives from noisy measurements. This paper develops a first-order differentiator with the following combination of properties: robustness
Externí odkaz:
http://arxiv.org/abs/2404.05863
In networked control applications, event-triggering mechanisms (ETMs) reduce the communication load while ensuring performance guarantees. However, the design of ETMs is becoming increasingly complex, particularly for decentralized multi-agent and co
Externí odkaz:
http://arxiv.org/abs/2403.12567
Autor:
Sebastián, Eduardo, Aldana-López, Rodrigo, Aragüés, Rosario, Montijano, Eduardo, Sagüés, Carlos
This paper presents the first discrete-time distributed algorithm to track the tightest ellipsoids that outer approximates the global dynamic intersection of ellipsoids. The ellipsoids are defined as time-varying positive definite matrices. On the ot
Externí odkaz:
http://arxiv.org/abs/2403.01478
Publikováno v:
Information Fusion, vol. 99, p. 101857, 2023, ISSN 1566-2535
This work is devoted to the problem of distributed target tracking when a team of robots detect the target through a variable perception-latency mechanism. A reference for the robots to track is constructed in terms of a desired formation around the
Externí odkaz:
http://arxiv.org/abs/2401.13602
Publikováno v:
ISA Transactions, vol. 142, pp. 716-730, 2023, ISSN 0019-0578
Target tracking is a popular problem with many potential applications. There has been a lot of effort on improving the quality of the detection of targets using cameras through different techniques. In general, with higher computational effort applie
Externí odkaz:
http://arxiv.org/abs/2401.13596
Publikováno v:
Automatica, vol. 155, p. 111123, 2023, ISSN 0005-1098
In robotic systems, perception latency is a term that refers to the computing time measured from the data acquisition to the moment in which perception output is ready to be used to compute control commands. There is a compromise between perception l
Externí odkaz:
http://arxiv.org/abs/2401.13585
Publikováno v:
Book Chapter "Designing controllers with predefined convergence-time bound using bounded time-varying gains", publised in Sliding-Mode Control and Variable-Structure Systems, Springer Nature Switzerland AG 2023
Recently, there has been a great deal of attention in a class of controllers based on time-varying gains, called prescribed-time controllers, that steer the system's state to the origin in the desired time, a priori set by the user, regardless of the
Externí odkaz:
http://arxiv.org/abs/2311.02473