D. Ortiz-Villalba

ORCID: 0000-0001-8090-6125
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About
Contact & Profiles
Research Areas
  • Infrastructure Resilience and Vulnerability Analysis
  • Smart Grid Energy Management
  • Optimal Power Flow Distribution
  • Power System Reliability and Maintenance
  • Microgrid Control and Optimization
  • Advanced Control Systems Optimization
  • Electric Power System Optimization
  • Smart Grid Security and Resilience
  • Advanced Control Systems Design
  • Power System Optimization and Stability
  • Fault Detection and Control Systems
  • Advanced Battery Technologies Research
  • Experimental Learning in Engineering
  • Hybrid Renewable Energy Systems
  • HVDC Systems and Fault Protection
  • Power Systems and Renewable Energy
  • Energy Load and Power Forecasting
  • Network Security and Intrusion Detection
  • Photovoltaic System Optimization Techniques
  • Muscle activation and electromyography studies
  • Electric Vehicles and Infrastructure
  • Frequency Control in Power Systems
  • Solar Radiation and Photovoltaics
  • Advanced Data Processing Techniques
  • Industrial Automation and Control Systems

Escuela Politécnica del Ejército
2015-2024

National Polytechnic School
2024

Helmholtz Centre for Infection Research
2024

University of Chile
2011-2021

Sophia University
2018

Universidad Técnica del Norte
2015-2017

Ethos (United Kingdom)
2017

College of Industrial Technology
2017

Universidad de Santiago de Chile
2016

A novel SCADA approach for a renewable based microgrid is proposed. The optimization scheme provides online set points each generation unit, operation modes water supply system, and signals consumers on demand side management mechanism. Additionally, different services are developed supervising, maintenance, repair procedures. participation of the community ensured through appropriate communication information exchange whole configures Social solution. Three specific described in detail...

10.1109/pes.2011.6039749 article EN 2011-07-01

A brief discussion is presented regarding the current development and applications of Battery Energy Storage Systems (BESS) from recent achievements in both academic research commercial sectors. It reviewed architecture BESS, grid scale its benefits implementing it power systems. BESS can help to improve penetration levels RES (renewable energy resources), listed some most relevant application where plays an important role. Also, summarized criteria used assess environmental impacts how...

10.1109/etcm.2017.8247485 article EN 2017 IEEE Second Ecuador Technical Chapters Meeting (ETCM) 2017-10-01

The World Bank, one of the most important supporters rural electrification projects, estimates that approximately 1.2 billion people do not have regular access to electricity. In Latin America as a whole, according International Energy Agency, rate has reached 92.3% but still leaves 33.8 million without electricity (see Figure 1). They live mostly in and isolated areas are often neglected by projects due high associated costs technical difficulties.

10.1109/mpe.2014.2317419 article EN IEEE Power and Energy Magazine 2014-06-19

The transition from power systems dominated by synchronous machines to based on converter-based generation technologies (CGTs), is weakening currently robust reducing system inertia with the replacement of generators low-inertia CGTs. From a frequency stability viewpoint, this resulting in faster dynamics and more frequent larger excursions after contingencies, thus significantly affecting CGTs, requiring detailed assessments ensure secure integration In paper, practical framework presented...

10.1109/access.2020.3036162 article EN cc-by IEEE Access 2020-01-01

Abstract Background Effects of non-pharmaceutical interventions during the pandemic were mainly studied for severe outcomes. Among children, most burden respiratory infections is related to which are not medically attended. The perspective on in community setting necessary understand effects interventions. Methods In unique prospective LoewenKIDS cohort study, we compared true monthly incidence self-reported acute (ARI) about 350 participants (aged 3–4 years old) between October 2019 March...

10.1186/s12887-024-04686-2 article EN cc-by BMC Pediatrics 2024-04-01

Moving towards low-carbon electricity systems through the massive deployment of renewable energy sources (RES) presents a unique opportunity to combat climate change, but it also poses enormous technical challenges, especially from frequency viewpoint. To ensure secure RES integration in terms stability, system operators worldwide have adopted new grid codes requiring provide fast response (FFR). However, if not properly justified, stringent requirements may pose an unnecessary barrier...

10.1109/access.2020.3021307 article EN cc-by IEEE Access 2020-01-01

In this study, we propose a virtual reality biphasic separator methodology in an immersive industrial environment. It allows the training of students or engineers process and automatic control. On other hand, operating performance requires advanced control strategies because has multivariable nonlinear characteristics. context, testing several techniques. The methodology, involving virtualization separator, includes three stages. First, mathematical model is obtained. second stage...

10.3390/electronics11040636 article EN Electronics 2022-02-18

Special protection schemes (SPSs) are an efficient alternative to increase the flexibility in operation of power systems. The implementation SPSs is often motivated by technical rather than economic reasons. aim this paper propose a novel framework for analysis and development context from Chilean experience that comprises both incentives enable high penetration solar energy. With purpose, explores new capabilities based on maximizing cost-effective integration into system, given set...

10.1109/tpwrd.2016.2558518 article EN IEEE Transactions on Power Delivery 2016-04-28

This work presents the modeling and simulation of economic dispatch performed in a microgrid. A flexible algorithm is developed order to get optimal operation The simulations use load generation profiles from an operative real Due this, results are similar consider two types topologies: one node microgrid radial multi-node battery storage model considers efficiency coefficients for charging discharging auto-discharging coefficient. includes maximum power flow constraints distribution lines,...

10.1109/concapan.2016.7942382 article EN 2016-11-01

Transmission System Operators must regularly perform different stability studies in order to detect hazard situations the system and define proper corrective measures. Due high computational burden required by dynamic simulations, number of study cases be strongly limited only a few cases. Ideally, worst from point view should identified used. However, increased complexity power dynamics under levels variable generation technologies makes it more difficult worst-case scenarios for...

10.1109/pesgm.2017.8274423 article EN 2017-07-01

A critical aspect concerning an effective development of isolated microgrids is economical sustainability. Most the efforts are related to social responsibility local productive companies that look for avoiding long term commitments with community. This work proposes a composed solution combines SCADA approach Demand Response program. Thus, minimum maintenance costs and better community involvement both energy consumption cost covering can be achieved. guarantees participation through...

10.1109/isgt.2012.6175756 article EN 2012-01-01

In this research work, three advanced control algorithms are designed, implemented, and compared to level temperature processes in a virtualized Festo Modular Production System of Automatic Processes (MPS® PA) workstation, with an educational focus. A traditional PID strategy is designed using the lambda tuning technique for each variable, second controller fuzzy PD integral action at output finally, Model Predictive Control (MPC) algorithm designed. These controllers have as objectives,...

10.1109/icaacca51523.2021.9465269 article EN 2021 IEEE International Conference on Automation/XXIV Congress of the Chilean Association of Automatic Control (ICA-ACCA) 2021-03-22

The electricity demand in the world is increasing rapidly, so technological advances have focused on developing systems that can supply energy a safe, reliable, and environmentally friendly way. Likewise, access to of isolated communities countries plays fundamental role improving quality life their inhabitants. In this context, Microgrids become potential alternatives provide locations Ecuador where National Interconnected System does not reach. work, an Energy Management (EMS) for MG based...

10.23919/epe21ecceeurope50061.2021.9570196 article EN 2021-09-06

Lithium-ion-based Battery Energy Storage System (BESS) play an important role in solving power supply problems micro-grids due to their performance characteristics such as high power, efficiency, low self-discharge, and long lifespan. Therefore, is essential know the BESS useful life, especially by understanding how its degradation process evolves over time. In this context, article presents a methodology capable of analyzing Li-ion batteries when used into micro-grid. Since consequence...

10.1109/ropec.2018.8661410 article EN 2022 IEEE International Autumn Meeting on Power, Electronics and Computing (ROPEC) 2018-11-01

Combined-cycle power plants recycle steam or gas to generate additional and reduce emissions. In this research work, the boiler of a combined-cycle plant is controlled using three control strategies, which are designed compared, for variables drum water level (L) superheated pressure (p <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">s</sub> ). A conventional PI controller Lambda-tuning technique obtain optimal controller's gains. addition,...

10.1109/icaacca51523.2021.9465302 article EN 2021 IEEE International Conference on Automation/XXIV Congress of the Chilean Association of Automatic Control (ICA-ACCA) 2021-03-22

The Surface Electromyography (SEMG) is a technique used for many applications in different areas such as: Neurology, Rehabilitation, Orthopedics, Ergonomics, Sports, etc. [15]. In the last years, this has led to great research, and several groups of researchers throughout world have made inroads field electromyography applied my electric prostheses control. This project aims detail stages amplification filtering signal, as well check device's function certain muscles lower limbs, project's...

10.1109/apcase.2015.70 article EN 2015-07-01

Electric power systems are threatened by the occurrence of natural disasters (such as volcanic eruptions, earthquakes, hurricanes, among others), which cause important damage to different elements system, thus significantly affecting its ability supply energy. In this context, there is currently a strong demand for developing appropriate resilience assessment techniques capture impact and evaluate relevant mitigation strategies. This paper proposes methodology assess lahars on electric...

10.1109/greentech48523.2021.00056 article EN 2021-04-01

One of the Ecuadorian Government policies leads to improvement quality life its population. In that way, most universities have been given task carrying out investigations needed comply with these policies. Imbabura State, one each 2,200 inhabitants a transfemoral amputation. The Technical University North is only institution located in region capacity technology development. Due described above, Mechatronics Engineering and Physiotherapy Schools are fundamental pillar for development...

10.1109/etcm.2017.8247548 article EN 2017 IEEE Second Ecuador Technical Chapters Meeting (ETCM) 2017-10-01
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