All Outputs (171)

Development of solar energy in Chile and the world (2021)
Conference Proceeding

Chile is undoubtedly a country with potential when it comes to solar energy, but to understand this potential it is necessary to review the worldwide situation. This paper presents an analysis of the global situation and the geographic value that all... Read More about Development of solar energy in Chile and the world.

(Re)imagining spatialities for equity in mathematics education (2021)
Conference Proceeding

Contemporary discourse about the ‘opening’/‘closing’ of schools and what is ‘inside’/‘outside’ the curriculum potentially exacerbates existing inequities in mathematics education. This paper explores how different spatial imaginaries might advance or... Read More about (Re)imagining spatialities for equity in mathematics education.

Comparative Study of Sensorless Methods Based on Sliding Mode Observer for Dual Three-Phase Permanent Magnet Synchronous Machine (2021)
Conference Proceeding

In recent years, increased attentions have been given to multiphase electrical machines because of their fault tolerance ability which is quite important for more-electric aircraft application. A dual three-phase PMSM for turboprop aircraft green tax... Read More about Comparative Study of Sensorless Methods Based on Sliding Mode Observer for Dual Three-Phase Permanent Magnet Synchronous Machine.

Model predictive control for a dual three-phase two-sector permanent magnet synchronous machine (2021)
Conference Proceeding

A novel dual three-phase permanent magnet synchronous machine is designed for taxiing motor-generator on propeller aircraft. The unique structre of machine enhances system reliability, and also brings extra merits such as reducing torque ripple when... Read More about Model predictive control for a dual three-phase two-sector permanent magnet synchronous machine.

Experimental Assessment of Sliding Mode Current Control with Exponential Reaching Law for an Induction Machine Drive Fed by a Matrix Converter (2021)
Conference Proceeding

Matrix Converters (MCs) are considered an exciting option in electrical motor drives for applications where size and weight are critical, for example aerospace or automotive. Several control techniques have been proposed to exploit the MC's benefits... Read More about Experimental Assessment of Sliding Mode Current Control with Exponential Reaching Law for an Induction Machine Drive Fed by a Matrix Converter.

Pseudocapacitive Performance of WO3/g-C3N4 Nanocomposites (2021)
Conference Proceeding

Hexagonal tungsten oxide (WO 3 ) holds great promise as an electrode material for pseudocapacitors due to its earth abundance, low cost, multiple oxidation states, high packing density (>7 g cm -3 ) and electrochemical reversibility. Here, we present... Read More about Pseudocapacitive Performance of WO3/g-C3N4 Nanocomposites.

Carbon Emission Analysis of Electrical Machines (2021)
Conference Proceeding

The industry places increased importance on carbon reduction. Many are focused on lowering the fuel consumption of electrical machines, however, carbon emissions from the acquisition of raw materials and the energy consumption of manufacturing proces... Read More about Carbon Emission Analysis of Electrical Machines.

Performance Analysis of a Cable-Driven Ankle Assisting Device (2021)
Conference Proceeding

The paper presents a cable-driven parallel manipulator as a device for the motion assistance of the human ankle. The proposed design solution is discussed with design and operation requirements as from consideration of biomechanics and human-machine... Read More about Performance Analysis of a Cable-Driven Ankle Assisting Device.

Differential privacy over Riemannian manifolds (2021)
Conference Proceeding

In this work we consider the problem of releasing a differentially private statistical summary that resides on a Riemannian manifold. We present an extension of the Laplace or K-norm mechanism that utilizes intrinsic distances and volumes on the mani... Read More about Differential privacy over Riemannian manifolds.

Predictive control techniques applied to a 2L-VSI (2021)
Conference Proceeding

In recent years, Model Based Predictive Control (MPC), applied to power converters, has been successfully presented as an alternative to traditional control techniques due to its fast dynamic response, ability to incorporate various requirements of c... Read More about Predictive control techniques applied to a 2L-VSI.

Cascaded predictive control for a three-phase VSI with different cost functions (2021)
Conference Proceeding

Predictive control for power converters has been gaining interest as well as popularity in recent years. This paper presents a cascade predictive control for a voltage source inverter which is evaluated with different control objectives to meet a ran... Read More about Cascaded predictive control for a three-phase VSI with different cost functions.

Predictive current control strategy for a single phase direct matrix converter (2021)
Conference Proceeding

This paper considers some of the aspects of applying predictive control to a single phase Matrix Converter. Among all the proposed control techniques for Matrix Converters, predictive control has become a plausible and versatile option due to its abi... Read More about Predictive current control strategy for a single phase direct matrix converter.

Sequential FCS-MPC for open phase fault tolerant control applied to SynRM (2021)
Conference Proceeding

Model predictive control is a very attractive solution for electric drives and converter control, but while classic model predictive controls give good results, the choice of weighting factors is often somewhat complex and even more so when the syste... Read More about Sequential FCS-MPC for open phase fault tolerant control applied to SynRM.

Control strategies of photovoltaic systems (2021)
Conference Proceeding

The control in an inverter system for photovoltaic applications is important as it can impact on the efficiency of the system. In this paper a review of the main control strategies used in photovoltaic systems is presented. The study is divided into... Read More about Control strategies of photovoltaic systems.

Effect of model parameter errors in model predictive control applications (2021)
Conference Proceeding

When implementing predictive control strategies for power electronic converters a good model of the system is needed because this model determines the quality of the resulting controller. In this paper a study of the model parameter error effects in... Read More about Effect of model parameter errors in model predictive control applications.

A comparative study of predictive control techniques in a voltage source inverter (2021)
Conference Proceeding

Predictive control has emerged as an alternative to conventional modulation and control of power converters. This article presents a comparison between a classical predictive control technique and a technique operating at a fixed switching frequency,... Read More about A comparative study of predictive control techniques in a voltage source inverter.

Critical scenarios identification in power system simulations using graph measures and machine learning (2021)
Conference Proceeding

It is essential that electrical power systems are constructed with a reliable and resilient infrastructure. The evaluation of convergence scenarios of the load flow is a technique widely used to study the reliability of energy systems. This paper con... Read More about Critical scenarios identification in power system simulations using graph measures and machine learning.

Solar energy in the agrifood industry (2021)
Conference Proceeding

The agriculture and food industry is very important for human society development and is constantly growing with the world's population. Agriculture is also among the activities that generate a lot of greenhouse gases, therefore there is a need to op... Read More about Solar energy in the agrifood industry.

Basic principles of solar energy (2021)
Conference Proceeding

The sun provides the earth with its main source of energy. In terms of renewable energy, solar energy is the most promising direction for producing electrical energy. For the efficient use of solar energy it is necessary to understand how electrical... Read More about Basic principles of solar energy.

Technologies and MPPT algorithms for solar energy applications (2021)
Conference Proceeding

Due to environmental policies and the advancement of solar technology, the generation of electrical energy based on photovoltaic cells has become an important contributor to the renewable energy resource mix. In recent years, the development of photo... Read More about Technologies and MPPT algorithms for solar energy applications.