Exploració per autor "Martí Colom, Pau"
Ara es mostren els items 32-51 de 67
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Hands-on course in networked control systems
(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
(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 ... -
Implantació i Millora de l'European Project Semester (EPS) a l'EPSEVG
(Universitat Politècnica de Catalunya. Institut de Ciències de l'Educació, 2010-02-11)
Comunicació de congrés / Text en actes de congrés
Accés obertL'EPSEVG de la UPC va implantar l’European Project Semester (EPS) un programa formatiu innovador que respon a les demandes plantejades per la societat i l’Espai Europeu d’Ensenyament Superior (EEES) durant el curs ... -
Internet-based control of a ball-and-plate system: a case study of modeling and automatic code generation for networked control systems
(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
(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
(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
(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
(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
(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 ... -
Minimizing control cost in resource-constrained control systems: from Feedback scheduling to event-driven control
(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
(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
(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
(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 ... -
Networked sliding mode control of the double integrator system using the event-driven self-triggered approach
(2011)
Comunicació de congrés
Accés restringit per política de l'editorialSliding mode control (SMC) methods rely on applying a high-frequency switching control. In networked control systems (NCS), high-frequency operations/transactions are not desirable because communication bandwidth consumption ... -
On Lyapunov sampling for event-driven controllers
(2009)
Text en actes de congrés
Accés obertThis paper investigates an event condition for event-driven controllers based on Lyapunov functions. Considering that constant values of a Lyapunov function define contour curves that form closed regions around the equilibrium ... -
On the optimal reactive power control for grid-connected photovoltaic distributed generation systems
(2015)
Comunicació de congrés
Accés restringit per política de l'editorialThe increasing deployment of distributed generation (DG) such as photovoltaic panels (PV) connected to low-voltage (LV) grids is becoming a common trend in urban areas. The advances of information and communication technology ... -
On the timing of discrete events in event-driven control systems
(2008-04-01)
Article
Accés obertThis paper presents an analysis method to determine offline at what intervals have to be taken the samples for various types of event- driven control systems. -
One-step finite horizon boundary with varying control gain for event-driven networked control systems
(2011)
Text en actes de congrés
Accés obertRecent research has shown that event-driven control requires less samples than time-driven (periodic) control. Consequently, event-driven control applied to Networked Control Systems (NCS) is a good approach for alleviating ... -
Optimal-sampling-inspired self-triggered control
(Institute of Electrical and Electronics Engineers (IEEE), 2015)
Text en actes de congrés
Accés restringit per política de l'editorialSelf-triggered control is an appealing sampling strategy that promises to preserve the same control performance as traditional (periodic) sampling, yet consuming less computing resource by executing the controller less ... -
Performance analysis of frequency restoration for parallel voltage source inverters connected with a realistic communication channel
(2015)
Comunicació de congrés
Accés restringit per política de l'editorialA topic of interest within the microgrid (MG) community is to achieve accurate sharing of active and reactive power among voltage source inverters (VSI) working in parallel while keeping the voltage frequency and amplitude ...
