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View article: Renewable Energies Integration in Electrification for Chilean Smartports—Challenges and Case Study
Renewable Energies Integration in Electrification for Chilean Smartports—Challenges and Case Study Open
This paper analyses and discusses the environmental impact of integrating renewable energies in the operation of seaports in a context in which maritime activities are an essential contributor to global greenhouse gas emissions. The analys…
View article: Microgrid planning based on computational intelligence methods for rural communities: A case study in the José Painecura Mapuche community, Chile
Microgrid planning based on computational intelligence methods for rural communities: A case study in the José Painecura Mapuche community, Chile Open
Microgrids (MGs) are sustainable solutions for rural zone electrification that use local renewable resources. However, only careful planning at the start of an MG project can ensure its future optimal operation. In this paper, a novel meth…
View article: Energy–Water Management System Based on MPC for a Greenhouse in a Mapuche Indigenous Community
Energy–Water Management System Based on MPC for a Greenhouse in a Mapuche Indigenous Community Open
Rural communities usually settle in territories where crop self-consumption is the main source of sustenance. In this context, climate change has made these environments of crop control susceptible to water shortages, impacting crop yields…
View article: Distributed Model-Based Predictive Secondary Control for Hybrid AC/DC Microgrids
Distributed Model-Based Predictive Secondary Control for Hybrid AC/DC Microgrids Open
This paper presents a novel scheme based on distributed model-based predictive control for the secondary level control of hybrid AC/DC microgrids. Prediction models based on droop control and power transfer equations are proposed to charac…
View article: Distributed Predictive Control using Frequency and Voltage Soft Constraints in AC Microgrids including Economic Dispatch of Generation
Distributed Predictive Control using Frequency and Voltage Soft Constraints in AC Microgrids including Economic Dispatch of Generation Open
This paper proposes a distributed predictive secondary controller to tackle together frequency and voltage regulation, realize the economic dispatch and reactive power sharing of generation units in isolated AC microgrids. Contrary to most…
View article: Distributed Predictive Secondary Control for Imbalance Sharing in AC Microgrids
Distributed Predictive Secondary Control for Imbalance Sharing in AC Microgrids Open
This paper proposes a distributed predictive secondary control strategy to share imbalance in three-phase, three-wire isolated AC Microgrids. The control is based on a novel approach where the imbalance sharing among distributed generators…
View article: Distributed Predictive Secondary Control for Voltage Restoration and Economic Dispatch of Generation for DC Microgrids
Distributed Predictive Secondary Control for Voltage Restoration and Economic Dispatch of Generation for DC Microgrids Open
DC microgrids ease the integration of renewables and can be easily put together with plug-and-play operation. However, most control techniques in DC microgrids focus on voltage regulation without considering its economical operation. Furth…
View article: Distributed Predictive Control Strategy for Frequency Restoration of Microgrids Considering Optimal Dispatch
Distributed Predictive Control Strategy for Frequency Restoration of Microgrids Considering Optimal Dispatch Open
Microgrids are the cornerstone for a new model of electrical generation based on renewable resources. Commonly microgrids are controlled with a centralised hierarchical structure, which is inherited from power systems. However, a time-scal…
View article: Review on Fuzzy and Neural Prediction Interval Modelling for Nonlinear Dynamical Systems
Review on Fuzzy and Neural Prediction Interval Modelling for Nonlinear Dynamical Systems Open
The existing uncertainties during the operation of processes could strongly affect the performance of forecasting systems, control strategies and fault detection systems when they are not considered in the design. Because of that, the stud…
View article: Energy–Water Management System Based on Predictive Control Applied to the Water–Food–Energy Nexus in Rural Communities
Energy–Water Management System Based on Predictive Control Applied to the Water–Food–Energy Nexus in Rural Communities Open
Generating strategies and techniques to feed the increasing world population is a significant challenge under climate change effects such as drought. Rural areas are especially sensitive to such effects as they are unable to overcome the l…
View article: Predictive Control based on Fuzzy Optimization for Multi-Room HVAC Systems
Predictive Control based on Fuzzy Optimization for Multi-Room HVAC Systems Open
A model predictive control strategy (MPC) based on fuzzy optimization is proposed in this work for a multi-room heating, ventilation and air conditioning (HVAC) system. The proposed strategy aims to minimize energy consumption, while requi…
View article: Fuzzy Interval Modelling based on Joint Supervision
Fuzzy Interval Modelling based on Joint Supervision Open
This paper presents a new methodology for Prediction Interval (PI) construction based on a modified Takagi-Sugeno fuzzy system trained with a joint Supervision loss function. Given a desired coverage level, this model is capable of providi…
View article: Uncertainty-Aware Forecasting of Renewable Energy Sources
Uncertainty-Aware Forecasting of Renewable Energy Sources Open
Smart grid systems are designed to enable the efficient capture and intelligent distribution of electricity across a distributed set of utilities. They are an essential component of increasingly important renewable energy sources, where it…
View article: Distributed Control Strategies for Microgrids: An Overview
Distributed Control Strategies for Microgrids: An Overview Open
There is an increasing interest and research effort focused on the analysis, design and implementation of distributed control systems for AC, DC and hybrid AC/DC microgrids. It is claimed that distributed controllers have several advantage…
View article: Single-Phase Consensus-Based Control for Regulating Voltage and Sharing Unbalanced Currents in 3-Wire Isolated AC Microgrids
Single-Phase Consensus-Based Control for Regulating Voltage and Sharing Unbalanced Currents in 3-Wire Isolated AC Microgrids Open
A distributed control strategy is proposed to share unbalanced currents in three-phase three-wire isolated AC Microgrids (MGs). It is based on a novel approach where, rather than analysing the MG as a three-phase system, it is analysed as …
View article: Hierarchical Energy Management System for Microgrid Operation Based on Robust Model Predictive Control
Hierarchical Energy Management System for Microgrid Operation Based on Robust Model Predictive Control Open
This paper presents a two-level hierarchical energy management system (EMS) for microgrid operation that is based on a robust model predictive control (MPC) strategy. This EMS focuses on minimizing the cost of the energy drawn from the mai…
View article: Cooperative Regulation of Imbalances in Three-Phase Four-Wire Microgrids Using Single-Phase Droop Control and Secondary Control Algorithms
Cooperative Regulation of Imbalances in Three-Phase Four-Wire Microgrids Using Single-Phase Droop Control and Secondary Control Algorithms Open
Collaborative control of power converters operating in microgrids with unbalanced single-phase loads is difficult to achieve, considering that the voltages and currents have positive-, negative-, and zero-sequence components. In this paper…
View article: Distributed Control Strategy Based on a Consensus Algorithm and on the Conservative Power Theory for Imbalance and Harmonic Sharing in 4-Wire Microgrids
Distributed Control Strategy Based on a Consensus Algorithm and on the Conservative Power Theory for Imbalance and Harmonic Sharing in 4-Wire Microgrids Open
A distributed control system is proposed which uses the Conservative Power Theory (CPT) and a consensus algorithm to share imbalance and harmonics between different converters in three-phase four-wire droop-controlled Microgrids (MGs). The…
View article: Distributed Predictive Control for Frequency and Voltage Regulation in Microgrids
Distributed Predictive Control for Frequency and Voltage Regulation in Microgrids Open
Distributed control schemes have transformed frequency and voltage regulation into a local task in distributed generators (DGs) rather than by a central secondary controller. A distributed scheme is based on information shared among neighb…
View article: Small-Signal Modelling and Stability Assessment of Phase-Locked Loops in Weak Grids
Small-Signal Modelling and Stability Assessment of Phase-Locked Loops in Weak Grids Open
This paper proposes a low-complexity small signal model for a 3-leg converter connected to a balanced three-phase, three-wire weak grid and synchronised to this grid using a PLL implemented in a synchronous rotating d-q axis. A thorough an…
View article: A Control Algorithm Based on the Conservative Power Theory for Cooperative Sharing of Imbalances in Four-Wire Systems
A Control Algorithm Based on the Conservative Power Theory for Cooperative Sharing of Imbalances in Four-Wire Systems Open
© 1986-2012 IEEE. A cooperative control scheme based on the conservative power theory (CPT) is proposed, which can share imbalances in three-phase four-wire droop-controlled systems. By utilizing the CPT, the balanced, unbalanced, and dist…
View article: A new method for identification of fuzzy models with controllability constraints
A new method for identification of fuzzy models with controllability constraints Open
Takagi–Sugeno fuzzy models are cataloged as universal approximators and have been proven to be a powerful tool for the prediction of systems. However, in certain cases they may fail to inherit the main properties of a system which may caus…
View article: Neural Network Prediction Interval Based on Joint Supervision
Neural Network Prediction Interval Based on Joint Supervision Open
In this paper, a new prediction interval model based on a joint supervision loss function for capturing the uncertainties associated with the modeled phenomenon is described. This model provides the upper and lower bounds of the predicted …
View article: Design of fuzzy robust control strategies for a distributed solar collector field
Design of fuzzy robust control strategies for a distributed solar collector field Open
This paper presents novel control strategies using Takagi–Sugeno fuzzy models combined with a parametric uncertainty robust control approach to address both the nonlinearities of a process and the disturbances that act on it. In contrast t…
View article: Finite-Set Model-Predictive Control Strategies for a 3L-NPC Inverter Operating With Fixed Switching Frequency
Finite-Set Model-Predictive Control Strategies for a 3L-NPC Inverter Operating With Fixed Switching Frequency Open
In this paper, finite-set model-predictive control (FS-MPC) methodologies for a grid-connected three-level neutral-point-clamped converter are investigated. The proposed control strategies produce fixed switching frequency, maintaining all…
View article: Load estimation based on self-organizing maps and Bayesian networks for microgrids design in rural zones
Load estimation based on self-organizing maps and Bayesian networks for microgrids design in rural zones Open
Microgrids are suitable electrical solutions for
\nproviding energy in rural zones. However, it is challenging to
\npropose in advance a good design of the microgrid because the
\nelectrical load is difficult to estimate due to its highly
…