Valderrabano-Gonzalez, Antonio

Main Affiliation
Preferred name
Valderrabano-Gonzalez, Antonio
Official Name
Valderrabano González, Antonio
ORCID
0000-0002-8509-6376 orcid-logo
Researcher ID
O-2648-2013
Scopus Author ID
51864763800

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    Enhanced AI-Driven Harmonic Optimization in 36-Pulses Converters for SCADA Integration
    (MDPI AG, 2025-09-12)
    Valderrabano-Gonzalez, Antonio  
    ;
    Carlos E. Castañeda
    <jats:p>This paper presents an integrated approach for optimizing the performance of a 36-pulses converter system by using artificial intelligence (AI) techniques to be included in a Supervisory Control and Data Acquisition (SCADA) environment. The focus of the proposal is on enhancing harmonic reduction through intelligent adjustment of switching angles and coordinated control of the reinjection transformer included in the power converter topology. A key component of the proposed methodology involves a simulation-based process to determine optimal firing angles (α1, α2, and α3), based on Selective Harmonic Elimination (SHE) theory, that minimize Total Harmonic Distortion (THD). Using MATLAB with Simulink and PLECS models, a parametric sweep of the firing angles, generating a comprehensive dataset of THD outcomes. This dataset, consisting of THD evaluations across fine-grained angle variations, serves as the training foundation for supervised machine learning models—specifically, neural network regressors—that approximate the nonlinear mapping between firing angles and harmonic distortion. These predictive models are then employed as surrogates to estimate THD rapidly and guide the selection of optimal switching angles in real time without requiring iterative numerical solvers. Optimization heuristics and predictive models are then deployed to dynamically adapt system parameters in real time under varying load conditions. The proposed method demonstrates significant improvements in power quality and operational reliability, highlighting the potential of AI-assisted SCADA systems in advanced power electronics applications. Implementation results performed on a 36-pulses voltage source converter prototype are included to illustrate the appropriateness of the proposal.</jats:p>
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    Failure mode and effects analysis and sensitivity analysis for a neutral point re-injection multi-pulse voltage source converter
    (Elsevier BV, 2025-09)
    Valderrabano-Gonzalez, Antonio  
    ;
    F. Beltran-Carbajal
    ;
    Robles-Campos, Héctor R.  
    ;
    R. Tapia-Olvera
    ;
    Rosas-Caro, Julio  
    Sensitivity Analysis plays a crucial role in the design, control, and optimization of multi-pulse Voltage Source Converters. It helps engineers assess how variations in parameters influence system performance, enabling the development of more efficient and robust converters. This study presents some Failure Modes and Effects Analysis that intends to identify the most affected components when a gate disconnection failure occurs, making them critical points for stress management. Additionally, the most vulnerable components when gates remain connected to high value are distinguished. Verifying the voltage output shape, it can be noticed that RMS voltage measurements are not a reliable indicator for tracking failure, whereas THD offers a more effective solution. Understanding these failure modes is essential for refining the design and control strategies of electronic converters, particularly in applications such as motor control and StatCom. Sensitivity analysis also strengthens control algorithms, ensuring that they can effectively accommodate parameter fluctuations while aiding in fault diagnosis and failure prediction. The early detection of switch malfunctions in power converters is essential for maintaining system reliability, safety, performance, and cost efficiency. Timely identification allows for proactive maintenance, preventing extensive damage and ensuring continuous operation. As the converters become increasingly integral to various applications, implementing reliable fault detection mechanisms is essential for sustaining their optimal performance and long-term functionality.
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      46  1
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    Power quality improvement by interleaving unequal switching converters
    (2016)
    Arias-Angulo Juan Pedro
    ;
    Rosas-caro, Julio  
    ;
    Beltran-Carbajal Francisco
    ;
    Valderrabano-Gonzalez, Antonio  
    ;
    Haro-Sandoval, Eduardo
    Scopus© Citations 7  41  1
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    Scopus© Citations 17  2  2
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    A Symmetric Sixth-Order Step-Up Converter with Asymmetric PWM Achieved with Small Energy Storage Components
    (2024)
    Dueñas-García, Iván Emmanuel  
    ;
    Rosas-Caro, Julio  
    ;
    Robles-Campos, Héctor R.  
    ;
    Posada, Johnny
    ;
    Valdez-Resendiz, Jesus E.
    <jats:p>This research explores an improved operation of a recently studied converter, the so-called two-phase sixth-order boost converter (2P6OBC). The converter consists of a symmetric design of power stations followed by an LC filter; its improved operation incorporates an asymmetric pulse width modulation (PWM) scheme for transistor switching, sometimes known as an interleaved PWM approach. The new operation leads to improved performance for the 2P6OBC. Along with studying the 2P6OBC, one of the contributions of this research is providing design equations for the converter and comparing it versus the interleaved (or multiphase) boost converter, known for its competitiveness and advantages; the single-phase boost topology was also included in the comparison. The comparison consisted of a design scenario where all converters must achieve the same power conversion with an established maximum switching ripple, and then the stored energy in passive components is compared. Although the 2P6OBC requires a greater number of components, the total amount of stored energy is smaller. It is known that the stored energy is related to the size of the passive components. Still, the article includes a discussion of this topic. The new operation of the converter offers more streamlined, cost-effective, and efficient alternatives for a range of applications within power electronics. The final design of the 2P6OBC required only 68% of the stored energy in inductors compared to the multiphase boost converter, and 60% of the stored energy in capacitors. This result is outstanding, considering that the multiphase boost converter is a very competitive topology. Experimental results are provided to validate the proposed concept.</jats:p>
    Scopus© Citations 1  13
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    Scopus© Citations 34  32  1
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    A Dynamic Motion Tracking Control Approach for a Quadrotor Aerial Mechanical System
    (2020)
    Hugo Yañez-Badillo
    ;
    Francisco Beltran-Carbajal
    ;
    Ruben Tapia-Olvera
    ;
    Valderrabano-Gonzalez, Antonio  
    ;
    Antonio Favela-Contreras
    <jats:p>This paper deals with the reference trajectory tracking problem and simultaneous active disturbance suppression on a class of controlled aerial mechanical systems by processing measurable output signals. A novel dynamic control method for desired motion reference trajectory tracking for quadrotor helicopters is introduced. Measurements of position output signals for efficient and robust tracking of motion profiles specified for the unmanned aerial vehicle are only required. Thus, differentiation of signals and real-time estimation of disturbances affecting the multi-input multioutput, underactuated nonlinear dynamic system are unnecessary. The presented active control approach can be directly extended for a class of vibrating mechanical systems. Analytical, experimental, and numerical results are presented to prove the satisfactory performance of the proposed trajectory tracking control approach for considerably perturbed operating scenarios.</jats:p>
    Scopus© Citations 8  40  1