Skip to main content

Research Repository

Advanced Search

All Outputs (3398)

Predictive Current Control Strategy for a Multi-Modular Matrix Converter (2021)
Presentation / Conference Contribution
Rojas, D., Rivera, M., & Wheeler, P. (2021). Predictive Current Control Strategy for a Multi-Modular Matrix Converter. . https://doi.org/10.1109/icaacca51523.2021.9465324

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.

Reactive Power Control Using a Model-Based Predictive Control Strategy Applied to an Indirect Matrix Converter (2021)
Presentation / Conference Contribution
Rojas, D., Rivera, M., Toledo, S., & Wheeler, P. (2021). Reactive Power Control Using a Model-Based Predictive Control Strategy Applied to an Indirect Matrix Converter. In 2021 IEEE International Conference on Automation/XXIV Congress of the Chilean Association of Automatic Control (ICA-ACCA). https://doi.org/10.1109/icaacca51523.2021.9465205

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 Voltage Control at Fixed Switching Frequency with Reduced Reactive Power in a Direct Matrix Converter (2021)
Presentation / Conference Contribution
Rojas, D., Rivera, M., Toledo, S., & Wheeler, P. (2021). Predictive Voltage Control at Fixed Switching Frequency with Reduced Reactive Power in a Direct Matrix Converter. In 2021 IEEE International Conference on Automation/XXIV Congress of the Chilean Association of Automatic Control (ICA-ACCA). https://doi.org/10.1109/icaacca51523.2021.9465334

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.

Field-Oriented Control with a Predictive Current Strategy of an Induction Machine Fed by a Two-Level Voltage Source Inverter (2021)
Presentation / Conference Contribution
Rivera, M., Riveros, J. A., Rodriguez, C., & Wheeler, P. (2021). Field-Oriented Control with a Predictive Current Strategy of an Induction Machine Fed by a Two-Level Voltage Source Inverter. . https://doi.org/10.1109/icaacca51523.2021.9465232

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.

An Overview of Solar Energy in Chile (2021)
Presentation / Conference Contribution
Rivera, M., & Wheeler, P. (2021). An Overview of Solar Energy in Chile. . https://doi.org/10.1109/icaacca51523.2021.9465256

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.

8 X 4 mm-Wave 3D Printed MIMO Antenna for 5G Wireless Communication (2021)
Presentation / Conference Contribution
Alkaraki, S., Jilani, S. F., Kelly, J., Gao, Y., Stremsdoerfer, S., & Gayets, E. D. (2021). 8 X 4 mm-Wave 3D Printed MIMO Antenna for 5G Wireless Communication. In 2021 15th European Conference on Antennas and Propagation (EuCAP) (1-4). https://doi.org/10.23919/EuCAP51087.2021.9411276

A 3D printed 8 X 4 mm-wave multiple input multiple output (MIMO) antenna is presented in this paper. The proposed MIMO has an overall dimensions of 106.3 mm X 75.7 mm and it operates at 28 GHz mm-wave band. The proposed MIMO consists of 32 single ele... Read More about 8 X 4 mm-Wave 3D Printed MIMO Antenna for 5G Wireless Communication.

Predictive Control Operating at Fixed Switching Frequency of an Induction Machine Fed by a Voltage Source Inverter (2021)
Presentation / Conference Contribution
Rivera, M., Riveros, J., Rodriguez, C., & Wheeler, P. (2021). Predictive Control Operating at Fixed Switching Frequency of an Induction Machine Fed by a Voltage Source Inverter. . https://doi.org/10.1109/icaacca51523.2021.9465249

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)
Presentation / Conference Contribution
Rivera, M., Riveros, J., Rodriguez, C., Wheeler, P., & Rohten, J. (2021). Predictive Torque and Flux Control of an Induction Machine Fed by a Voltage Source Inverter. In 2021 IEEE International Conference on Automation/XXIV Congress of the Chilean Association of Automatic Control (ICA-ACCA). https://doi.org/10.1109/icaacca51523.2021.9465179

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.

A Study of Cost Function Selection in Model Predictive Control Applications (2021)
Presentation / Conference Contribution
Rojas, D., Rivera, M., Wheeler, P., Zanchetta, P., Mirzaeva, G., & Rohten, J. (2021). A Study of Cost Function Selection in Model Predictive Control Applications. In 2021 IEEE International Conference on Automation/XXIV Congress of the Chilean Association of Automatic Control (ICA-ACCA). https://doi.org/10.1109/icaacca51523.2021.9465326

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.

L'atlante inedito di Chierici: gli albi e le carte di distribuzione dei ritrovamenti preistorici nel contesto europeo (2021)
Presentation / Conference Contribution
Pearce, M. (2021). L'atlante inedito di Chierici: gli albi e le carte di distribuzione dei ritrovamenti preistorici nel contesto europeo. Bullettino di Paletnologia Italiana, 100(1), 149-155

At his death in 1886, Gaetano Chierici was preparing an Atlante della paletnologia del Reggiano (Atlas of the prehistory of the province of Reggio Emilia), which he probably intended should include his unpublished Albo of 14 lithographic plates of si... Read More about L'atlante inedito di Chierici: gli albi e le carte di distribuzione dei ritrovamenti preistorici nel contesto europeo.

Co-creation of chatbots as an educational resource: training the trainers workshop (2021)
Presentation / Conference Contribution
Pears, M., Henderson, J., Bamidis, P. D., Pattichis, C. S., Karlgren, K., Wharrad, H., & Konstantinidis, S. T. (2021, March). Co-creation of chatbots as an educational resource: training the trainers workshop. Presented at 15th International Technology, Education and Development Conference, Online Conference

BACKGROUND There is growing need for personalised individual student support in healthcare curricula. A key limitation to providing quality support surrounds large student-to-lecturer ratios. This can result in attenuation of lecturer's efforts t... Read More about Co-creation of chatbots as an educational resource: training the trainers workshop.

The role of stakeholders' evaluation on the quality of reusable learning objects following the ASPIRE participatory framework (2021)
Presentation / Conference Contribution
Ho, M., Taylor, M., McSharry, E., Bergmann-Tyacke, I., Santos, M. R., Dhaeze, M., Brown, M., Hall, C., & Konstantinidis, S. T. (2021, March). The role of stakeholders' evaluation on the quality of reusable learning objects following the ASPIRE participatory framework. Presented at 15th International Technology, Education and Development Conference, Online Conference

As the population is becoming increasingly culturally diverse, there is a growing need for nurses to provide culturally competent care. It has been suggested that health disparities exist within in ethnic minorities and by providing culturally compet... Read More about The role of stakeholders' evaluation on the quality of reusable learning objects following the ASPIRE participatory framework.

Simulating medical applications of tissue optical property and shape imaging using open-source ray tracing software (2021)
Presentation / Conference Contribution
Crowley, J., & Gordon, G. S. (2021). Simulating medical applications of tissue optical property and shape imaging using open-source ray tracing software. Proceedings of SPIE, 11657, Article 1165707. https://doi.org/10.1117/12.2576779

Oesophageal cancer and colon cancer have five year survival rates of 15% and 63% respectively. These low survival rates are due in part to poor early detection during endoscopic screening, with conventional endoscopes providing insufficient informati... Read More about Simulating medical applications of tissue optical property and shape imaging using open-source ray tracing software.

Supply and transformation of organic matter in Tasik Chini and its role in underpinning lake ecosystem functioning (2021)
Presentation / Conference Contribution
Panizzo, V. N., Pereira, R., Bischoff, J., McGowan, S., Lacey, J., Moorhouse, H., …Ruslan, M. S. (2021). Supply and transformation of organic matter in Tasik Chini and its role in underpinning lake ecosystem functioning. In International eConference of Science and Biosphere Reserve (IECSBR) 2021: Program book

In tropical wetlands, seasonal connectivity with upstream river systems leads to large transformations in limnological characteristics, differences in Dissolved Organic Matter (DOM) sources and the succession of aquatic communities. These are all imp... Read More about Supply and transformation of organic matter in Tasik Chini and its role in underpinning lake ecosystem functioning.

Understanding the drivers of ecosystem change at Tasik Chini to inform sustainable management (2021)
Presentation / Conference Contribution
Lacey, J., Leng, M., Mcgowan, S., Panizzo, V., Pereira, R., Boyle, J., …Vane, C. (2021). Understanding the drivers of ecosystem change at Tasik Chini to inform sustainable management. In International eConference of Science and Biosphere Reserve (IECSBR) 2021: Program book

Tropical areas are subject to increasing environmental pressures as a combined result of climate change and human impact on the landscape, which threaten significantly the quality and biodiversity of freshwater ecosystems. Recent economic development... Read More about Understanding the drivers of ecosystem change at Tasik Chini to inform sustainable management.

Methodologies for the Synthesis of Reliable MEA Electrical Power System Architectures (2021)
Presentation / Conference Contribution
Recalde, A., Bozhko, S., & Atkin, J. (2021). Methodologies for the Synthesis of Reliable MEA Electrical Power System Architectures.

This paper reviews the main optimization approaches and design frameworks found in the literature for the synthesis of power system architectures for More Electric Aircraft (MEA). System- and network- engineering are the main interdisciplinary fields... Read More about Methodologies for the Synthesis of Reliable MEA Electrical Power System Architectures.