All Outputs (453)

An Enhanced Virtual Space Vector Modulation Scheme of Three-Level NPC Converters for More-Electric-Aircraft Applications (2021)
Journal Article

Multilevel converters have been used for aircraft electric starter/generator (ESG) systems due to their high power qualities. One of the desirable topologies is the three-level neutral-point-clamped (3L-NPC) converter. Our studied ESG system operates... Read More about An Enhanced Virtual Space Vector Modulation Scheme of Three-Level NPC Converters for More-Electric-Aircraft Applications.

Comparative Study of Classical and MPC Control for Single-Phase MMC Based on V-HIL Simulations (2021)
Journal Article

The operation of single-phase Modular Multilevel Converter (MMC) is analyzed in the paper. A mathematical model of the converter is developed and described, based on which the structure and selection of parameters for Classical Control and Optimal Sw... Read More about Comparative Study of Classical and MPC Control for Single-Phase MMC Based on V-HIL Simulations.

Hybrid sensorless motor control in aerospace applications, a survey in sensorless control, optimizing for availability and acoustic noise (2021)
Conference Proceeding

A wide range of aerospace applications previously based on hydraulics including the control of aerodynamic surfaces are being actively replaced by lighter, more intelligent Motor Drive Electronics (MDEs). However, motor resolvers commonly used to pro... Read More about Hybrid sensorless motor control in aerospace applications, a survey in sensorless control, optimizing for availability and acoustic noise.

Impedance-based Stability Analysis of Permanent Magnet Synchronous Generator for the More Electric Aircraft (2021)
Conference Proceeding

For a more electric aircraft (MEA), most hydraulic, pneumatic and mechanical subsystems are supposed to be replaced with electrical subsystems. These replacements result in a larger scale of on-board electrical power distribution system (EPDS). As th... Read More about Impedance-based Stability Analysis of Permanent Magnet Synchronous Generator for the More Electric Aircraft.

4-MW Class High-Power-Density Generator for Future Hybrid-Electric Aircraft (2021)
Journal Article

This article describes the underpinning research, development, construction, and testing of a 4-MW multithree phase generator designed for a hybrid-electric aircraft propulsion system demonstrator. The aim of the work is to demonstrate gravimetric po... Read More about 4-MW Class High-Power-Density Generator for Future Hybrid-Electric Aircraft.

Common-Mode Voltage Reduction in a VSI Inverter Applying Sequential Predictive Control (2021)
Conference Proceeding

In the classical predictive control (CPC) implementation a cost function designed in terms of the control objectives and constants known as weighting factors must be minimized. Weighting factors are usually obtained by trial and error since there is... Read More about Common-Mode Voltage Reduction in a VSI Inverter Applying Sequential Predictive Control.

Predictive Current Control Applied to a 3L-NPC Inverter (2021)
Conference Proceeding

In recent years the application of Model Based Predictive Control (MPC) for power converters has been successfully presented as an alternative to traditional control techniques. MPC has attracted interest due to its fast dynamic response and the abil... Read More about Predictive Current Control Applied to a 3L-NPC Inverter.

Reactive Power Control Using a Model-Based Predictive Control Strategy Applied to an Indirect Matrix Converter (2021)
Conference Proceeding

Reactive power is often an issue of concern for the operation of alternating current (AC) electrical power systems. This work aims to apply a model-based predictive control (MPC) to an indirect matrix converter (IMC) to improve the power factor at th... Read More about Reactive Power Control Using a Model-Based Predictive Control Strategy Applied to an Indirect Matrix Converter.

Predictive Current Control Strategy for a Multi-Modular Matrix Converter (2021)
Conference Proceeding

Matrix converter technology have so far been mainly limited to low power applications. Multi-level voltage source converters are often used for high power applications. In order to combine the good characteristics of both topologies this paper presen... Read More about Predictive Current Control Strategy for a Multi-Modular Matrix Converter.

A Study of Cost Function Selection in Model Predictive Control Applications (2021)
Conference Proceeding

The cost function selection is considered one of the most relevant aspects for the implementation of Model Predictive Control strategies. In this paper a study of the most common cost functions used for the control of a two level voltage source inver... Read More about A Study of Cost Function Selection in Model Predictive Control Applications.

An Overview of Solar Energy in Chile (2021)
Conference Proceeding

This paper shows the installed power capacity of conventional and non-conventional renewable energy in the electrical system networks found in Chile, as well as the evolution of the photovoltaic solar capacity installed from 2015 until the present da... Read More about An Overview of Solar Energy in Chile.

Field-Oriented Control with a Predictive Current Strategy of an Induction Machine Fed by a Two-Level Voltage Source Inverter (2021)
Conference Proceeding

Industrial Motor Drives require often required optimal speed and torque control. This work presents the implementation of a eld-oriented control (FOC) with a predictive current control strategy for an induction machine fed by a voltage source inverte... Read More about Field-Oriented Control with a Predictive Current Strategy of an Induction Machine Fed by a Two-Level Voltage Source Inverter.

Predictive Control Operating at Fixed Switching Frequency of an Induction Machine Fed by a Voltage Source Inverter (2021)
Conference Proceeding

Predictive torque control (PTC) has been established as one of the viable solutions for variable-speed motor drive control, particularly where a fast response for torque and flux control is required. The main reason for its adoption is the exible arc... Read More about Predictive Control Operating at Fixed Switching Frequency of an Induction Machine Fed by a Voltage Source Inverter.

Predictive Torque and Flux Control of an Induction Machine Fed by a Voltage Source Inverter (2021)
Conference Proceeding

Model predictive control strategies have recently emerged as a viable alternative for the control of power electronic converters in a range of applications. In this paper a new model predictive control technique for both the ux and torque of an induc... Read More about Predictive Torque and Flux Control of an Induction Machine Fed by a Voltage Source Inverter.

Predictive Voltage Control at Fixed Switching Frequency with Reduced Reactive Power in a Direct Matrix Converter (2021)
Conference Proceeding

Classical predictive control implementations generate variable switching frequency which could produce input filter resonances in matrix converters topologies, affecting system performance. This paper considers the application of predictive control t... Read More about Predictive Voltage Control at Fixed Switching Frequency with Reduced Reactive Power in a Direct Matrix Converter.

Active Modulation Strategy for Capacitor Voltage Balancing of Three-Level Neutral-Point-Clamped Converters in High-Speed Drives (2021)
Journal Article

In this article, the equivalent relationship between the nearest-three-virtual space vector and carrier-based pulsewidth-modulation scheme is established based on space vector coordinate for a three-level neutral-point-clamped (3L-NPC) converter. Mor... Read More about Active Modulation Strategy for Capacitor Voltage Balancing of Three-Level Neutral-Point-Clamped Converters in High-Speed Drives.

Predictive Control with Current-Based Maximum Power Point-Tracking for On-Grid Photovoltaic Applications (2021)
Journal Article

The high increase of renewable energy sources and the increment of distributed generation in the electrical grid has made them complex and of variable parameters, causing potential stability problems to the PI controllers. In this document, a control... Read More about Predictive Control with Current-Based Maximum Power Point-Tracking for On-Grid Photovoltaic Applications.

A Cascade PI-SMC Method for Matrix Converter-Fed BDFIM Drives (2021)
Journal Article

This article proposes a cascade proportional-integral second-order sliding mode control (PI-SMC) method for matrix converter-fed brushless doubly fed induction machine (BDFIM). The PI-SMC method consists of a PI speed controller with an inner-loop se... Read More about A Cascade PI-SMC Method for Matrix Converter-Fed BDFIM Drives.

Optimal and automated decentralised converter control design in more electrical aircraft power electronics embedded grids (2021)
Journal Article

In modern power systems, the proliferation of power electronics converters, and distributed generation raises important issues concerning inter-connected switching units in terms of performance, stability and robustness. Such phenomenon are more prom... Read More about Optimal and automated decentralised converter control design in more electrical aircraft power electronics embedded grids.

Failure modes and reliability oriented system design for aerospace power electronic converters (2020)
Journal Article

Aircraft electrification has been a major trend in aviation industry for past 20 years. Given the increasing electrical power requirement for future more electric aircraft and hybrid electric aircraft, research efforts has been ongoing in high power... Read More about Failure modes and reliability oriented system design for aerospace power electronic converters.