Exploració per autor "Velasco García, Manel"
Ara es mostren els items 23-42 de 66
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Effects of clock deviations on the performance of microgrids based on virtual synchronous generators
Castilla Fernández, Miguel; Miret Tomàs, Jaume; García de Vicuña Muñoz de la Nava, José Luis; Guzmán Solà, Ramon; Velasco García, Manel; Martí Colom, Pau (2021-11-04)
Article
Accés obertAn inverter-based microgrid is a small-scale power network governed by a distributed con-trol system. In this system, the nodes are the digital controllers of the power inverters,normally located at separate points within ... -
Efficient utilization of bus idle times in CAN-based networked control systems
Martí Colom, Pau; Camacho Santiago, Antonio; Velasco García, Manel; El Mongi Ben Gaid, Mohamed (2010)
Comunicació de congrés
Accés obertThis paper presents a novel approach to networked control systems (NCS) analysis and design that provides increased control performance for a set of control loops that exchange control data over the Controller Area Network ... -
Embedding Kalman techniques in the one-shot task model when non-uniform samples are corrupted by noise
Lozoya, Camilo; Romero, Julio; Martí Colom, Pau; Velasco García, Manel; Fuertes Armengol, José Mª (IEEE Press. Institute of Electrical and Electronics Engineers, 2010)
Text en actes de congrés
Accés obertThe performance of several closed-loop systems whose controllers concurrently execute in a multitasking realtime system may be deteriorated due to timing uncertainties in tasks´executions, problem known as scheduling ... -
Enabling grid-feeding converters with a dissonant-resonant controller for negative-sequence voltage elimination
Velasco García, Manel; Martí Colom, Pau; Camacho Santiago, Antonio; Rey López, Juan Manuel; Miret Tomàs, Jaume; Castilla Fernández, Miguel (Institute of Electrical and Electronics Engineers (IEEE), 2020-04-01)
Article
Accés obertThe mitigation of the adverse effects of voltage unbalance in equipment and power quality can be performed by the power electronic converters that interface distributed generators to the grid. Inspired in a resonant ... -
Equilibrio del robot AIBO usando DMPs
Salord, Lluís; Angulo Bahón, Cecilio; Velasco García, Manel (2015)
Text en actes de congrés
Accés obertEl trabajo presentado se enmarca en una iniciativa global que tiene como objeto la recuperacion de la plataforma robotica AIBO de Sony. Para demostrar las prestaciones de la arquitectura propuesta y la viabilidad del robot ... -
Equilibrium sampling interval sequences for event-driven controllers
Velasco García, Manel; Martí Colom, Pau; Bini, Enrico (2009)
Text en actes de congrés
Accés restringit per política de l'editorialStandard discrete-time control laws consider periodic execution of control jobs. Although this assumption simplifies the control design and the resource utilization analysis for later implementation, it leads to a ... -
Hands-on course in networked control systems
Fuertes Armengol, José Mª; Villa Millaruelo, Ricardo; Ayza Graells, Jordi; Marès Martí, Pere; Martí Colom, Pau; Velasco García, Manel; Yepez, J.; Torres Guerrero, Gina; Perello, M. (2012)
Comunicació de congrés
Accés restringit per política de l'editorialIn many industrial robotic applications there is a need to track periodic reference signals and/or reject periodic disturbances. This paper presents a novel repetitive control design for systems with constant time-delays ... -
Impact of clock drifts on communication-free secondary control schemes for inverter-based islanded microgrids
Castilla Fernández, Miguel; Camacho Santiago, Antonio; Martí Colom, Pau; Velasco García, Manel; Moradi Ghahderijani, Mohammad (Institute of Electrical and Electronics Engineers (IEEE), 2017-11-13)
Article
Accés restringit per política de l'editorialIEEE In inverter-based microgrids, individual inverters operate usually with its own digital processor. The clocks used to generate the time signals of these processors differ from each other due to clock drifts. This paper ... -
Internet-based control of a ball-and-plate system: a case study of modeling and automatic code generation for networked control systems
Torres Guerrero, Gina; Martín Rull, Enric Xavier; Velasco García, Manel; Martí Colom, Pau; Camacho, Antonio (Institute of Electrical and Electronics Engineers (IEEE), 2014)
Text en actes de congrés
Accés restringit per política de l'editorialThe evolution of technology and application needs leads to design complex systems both at hardware and software levels. Modeling approaches and automatic code generation are mature techniques in several application areas ... -
Invariant manifolds as boundaries for event-driven control systems
Velasco García, Manel; Martí Colom, Pau (2010)
Comunicació de congrés
Accés obertIn event-driven control approaches, control updates are triggered by event conditions that are often characterized by different types of boundaries defined in the state-space domain. In this paper we define an event-driven ... -
Local frequency restoration for droop-controlled parallel inverters in islanded microgrids
Rey López, Juan Manuel; Rosero Chandi, Carlos Xavier; Velasco García, Manel; Martí Colom, Pau; Miret Tomàs, Jaume; Castilla Fernández, Miguel (2018-01-01)
Article
Accés obertIn islanded microgrids, voltage source inverters working in parallel are expected to provide regulation of the local frequency while granting active power sharing. This paper presents a local control approach at each ... -
Local secondary control for inverter-based islanded microgrids with accurate active-power sharing under high load conditions
Castilla Fernández, Miguel; Camacho Santiago, Antonio; Miret Tomàs, Jaume; Velasco García, Manel; Martí Colom, Pau (Institute of Electrical and Electronics Engineers (IEEE), 2018-06-13)
Article
Accés obertLocal secondary control has been successfully used to regulate the frequency of inverterbased islanded microgrids without using communications. In this scenario, noticeable steady-state deviations have been observed in ... -
Lowering traffic without sacrificing performance in networked control systems
Martí Colom, Pau; Velasco García, Manel; Yépez Castillo, José Gregorio; Martín Rull, Enric Xavier (IEEE Press. Institute of Electrical and Electronics Engineers, 2011)
Comunicació de congrés
Accés restringit per política de l'editorialIn Networked Control Systems (NCS), the amount of control data exchanged between sensors, controllers and actuators nodes highly depends on the control performance specifications given to each networked control loop. ... -
LTI ODE-valued neural networks
Velasco García, Manel; Martín Rull, Enric Xavier; Angulo Bahón, Cecilio; Martí Colom, Pau (2014-05)
Article
Accés restringit per política de l'editorialA dynamical version of the classical McCulloch & Pitts’ neural model is introduced in this paper. In this new approach, artificial neurons are characterized by: i) inputs in the form of differentiable continuous-time ... -
Machine-learning-based condition assessment of gas turbine: a review
Castro Cros, Martí de; Velasco García, Manel; Angulo Bahón, Cecilio (2021-12-15)
Article
Accés obertCondition monitoring, diagnostics, and prognostics are key factors in today’s competitive industrial sector. Equipment digitalisation has increased the amount of available data throughout the industrial process, and the ... -
Maximum current injection method for grid-forming inverters in an islanded microgrid subject to short circuits
Miret Tomàs, Jaume; Castilla Fernández, Miguel; Velasco García, Manel; Guzmán Solà, Ramon; García de Vicuña Muñoz de la Nava, José Luis (2023-02-03)
Article
Accés obertIn islanded microgrids, when a short circuit or a sudden overload occurs, it provokes an abrupt increment in the currents supplied by the generation nodes, which feed the load collaboratively. This is particularly challenging ... -
Minimizing control cost in resource-constrained control systems: from Feedback scheduling to event-driven control
Lozoya, Camilo; Martí Colom, Pau; Velasco García, Manel (IEEE Press. Institute of Electrical and Electronics Engineers, 2010)
Text en actes de congrés
Accés obertThis paper evaluates approaches aimed at minimizing aggregated control cost of a set of controllers that concurrently execute sharing limited computing resources. The evaluation focuses on feedback scheduling and event-driven ... -
Mixing local and distributed reactive power control for balancing inverters' effort in grid-connected photovoltaic systems
Velasco García, Manel; Martí Colom, Pau; Camacho Santiago, Antonio; Miret Tomàs, Jaume; Castilla Fernández, Miguel (2013)
Text en actes de congrés
Accés restringit per política de l'editorialReactive power control methods have been proven to be a successful technique for maintaining voltages of photovoltaic (PV) distributed generators (DG) within the admissible limits without enforcing to reduce the production ... -
Mixing local and distributed reactive power control for balancing inverters’ effort in grid-connected photovoltaic systems
Velasco García, Manel; Martí Colom, Pau; Camacho Santiago, Antonio; Miret Tomàs, Jaume; Castilla Fernández, Miguel (Institute of Electrical and Electronics Engineers (IEEE), 2013)
Comunicació de congrés
Accés restringit per política de l'editorialReactive power control methods have been proven to be a successful technique for maintaining voltages of photo-voltaic (PV) distributed generators (DG) within the admissible limits without enforcing to reduce the production ... -
Negative-sequence voltage elimination for distributed generators in grid-feeding operation mode
Rey López, Juan Manuel; Castilla Fernández, Miguel; Miret Tomàs, Jaume; Velasco García, Manel; Martí Colom, Pau; Mojica Nava, Eduardo (2020-07-24)
Article
Accés obertA major concern of the power quality in distributed systems is related to the mitigation of voltage imbalances. This function can be implemented directly in the control system of the distributed generation power converters ...