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  1. Design, assembly, and tuning of a multipurpose FPV drone: A flexible and low-cost alternative

    Article • HardwareX, September 2025, Elsevier

    Doctor Andres Ortiz Salazar

  2. The Economic Optimization of a Grid-Connected Hybrid Renewable System with an Electromagnetic Frequency Regulator Using a Genetic Algorithm

    Article • Energies, August 2025, MDPI AG

    Doctor Andres Ortiz Salazar

  3. Multi-Objective Optimization of a Hybrid Renewable Energy System Using Electromagnetic Frequency Regulator for Applications at the UFRN Campus in Macau/RN, Brazil: A Genetic Algorithm Approach

    Article • June 2025, MDPI AG

    Doctor Andres Ortiz Salazar

  4. Discrete-Time Impedance Model-Based Dynamic Analysis and Parameter Design for VSG-Controlled Grid-Forming DG System

    Article • Energies, June 2025, MDPI AG

    Doctor Andres Ortiz Salazar

  5. Design and Implementation of an LSTM Model with Embeddings on MCUs for Prediction of Meteorological Variables

    Article • Sensors, June 2025, MDPI AG

    Doctor Andres Ortiz Salazar

  6. Innovative Machine Learning and Image Processing Methodology for Enhanced Detection of Aleurothrixus Floccosus

    Article • Electronics, January 2025, MDPI AG

    Doctor Andres Ortiz Salazar

  7. Implementation of an Automatic Control System and an IOT Architecture for Wireless Monitoring Through Bidirectional Communication by RF and Wifi for Registration in the Cloud of Parameters Necessary in the Operation of a Greenhouse

    Article • November 2024, MDPI AG

    Doctor Andres Ortiz Salazar

  8. Design of a System for Driver Drowsiness Detection and Seat Belt Monitoring using Raspberry Pi 4 and Arduino Nano

    Article • November 2024, MDPI AG

    Doctor Andres Ortiz Salazar

  9. Implementation of a Freeware Scada System for a Continuous/Alternate Voltage Microgrid

    Article • October 2024, MDPI AG

    Doctor Andres Ortiz Salazar

  10. New Proposal for Image Processing and Machine Learning Techniques to Detect the Pest Aleurothrixus floccosus in Citrus Trees in the Pedregal Arequipa-Perú Region

    Article • October 2024, MDPI AG

    Doctor Andres Ortiz Salazar

  11. Analog One-Cycle Control Strategy for Stable Battery Charging in Photovoltaic Systems

    Article • Eletrônica de Potência, October 2024, Associacao Brasileira de Eletronica de Potencia SOBRAEP

    Doctor Andres Ortiz Salazar

  12. Monitoring and Diagnosing Faults in Induction Motors’ Three-Phase Systems Using NARX Neural Network

    Article • Energies, September 2024, MDPI AG

    Doctor Andres Ortiz Salazar

  13. Monitoring and Diagnosing Faults in Three-Phase Induction Motors Using Artificial Intelligence Techniques

    Article • June 2024, MDPI AG

    Doctor Andres Ortiz Salazar

  14. Artificial Intelligence for the Control of Speed of the Bearing Motor with Winding Split Using DSP

    Article • Energies, February 2024, MDPI AG

    Doctor Andres Ortiz Salazar

  15. Artificial Intelligence for the Control of Speed of the Bearing Motor with Winding Split Using DSP

    Article • January 2024, MDPI AG

    Doctor Andres Ortiz Salazar

  16. Thermal Profiles in Water Injection Wells: Reduction in the Systematic Error of Flow Measurements during the Transient Regime

    Article • Sensors, November 2023, MDPI AG

    Doctor Andres Ortiz Salazar

  17. Thermal Profiles in Water InjectionWells: Reduction of the Systematic Error in the Flow Measurement during the Transient Regime

    Article • September 2023, MDPI AG

    Doctor Andres Ortiz Salazar

  18. Impedance Model Based Dynamic Analysis Applied to VSG-Controlled Converters in AC Microgrids

    Article • IEEE Transactions on Industry Applications, May 2023, Institute of Electrical & Electronics Engineers (IEEE)

    Doctor Andres Ortiz Salazar

  19. Application of Active Disturbance Rejection in a Bearingless Machine with Split-Winding

    Article • Energies, March 2023, MDPI AG

    Doctor Andres Ortiz Salazar

  20. Thermal Profiles in Water Injection Wells: Reduction of the Systematic Error in the Flow Measurement During the Transitory Regime

    Article • March 2023, MDPI AG

    Doctor Andres Ortiz Salazar

  21. Application of Active Disturbance Rejection in a Bearingless Machine with Split Winding

    Article • March 2023, MDPI AG

    Doctor Andres Ortiz Salazar

  22. Velocity Prediction of a Pipeline Inspection Gauge (PIG) with Machine Learning

    Article • Sensors, November 2022, MDPI AG

    Doctor Andres Ortiz Salazar

  23. Impact Analysis of Low-Voltage Ride-Through on the VSG-Based Power Flow Control Applied to Grid-forming DG Systems

    Article • November 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Doctor Andres Ortiz Salazar

  24. Power System Stabilizer Applied to VSG-Based Power Flow Control of DG Systems in Low-Voltage Networks

    Article • November 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Doctor Andres Ortiz Salazar

  25. Analysis and Modeling of an Electromagnetic Speed Regulator for Wind Energy Conversion Systems

    Article • October 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Doctor Andres Ortiz Salazar

  26. Time-varying Phasor Analysis of Nonlinear Droop with Virtual Impedance in Stand-alone Residential Nanogrids

    Article • October 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Doctor Andres Ortiz Salazar

  27. Fuzzy Control Strategy Applied to an Electromagnetic Frequency Regulator in Wind Generation Systems

    Article • Energies, September 2022, MDPI AG

    Doctor Andres Ortiz Salazar

  28. Fuzzy Artificial Intelligence Based Control Strategy Applied to an Electromagnetic Frequency Regulator in Wind Generation Systems

    Article • June 2022, MDPI AG

    Doctor Andres Ortiz Salazar

  29. Performance Analysis of an Electromagnetic Frequency Regulator under Parametric Variations for Wind System Applications

    Article • Energies, April 2022, MDPI AG

    Doctor Andres Ortiz Salazar

  30. Improving Transient Response of a Synchronous Generator Emulation Technique Applied to Grid-tied Converters

    Article • November 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Doctor Andres Ortiz Salazar

  31. Modeling and Controllers Design for an Electromagnetic Frequency Regulator Applied to Wind Systems

    Article • November 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Doctor Andres Ortiz Salazar

  32. One Cycle Control Applied to a Three-Phase PWM Rectifier

    Article • November 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Doctor Andres Ortiz Salazar

  33. Synchronous Disturbance Suppression in Bearingless Machines with Active Disturbance Rejection Controller

    Article • November 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Doctor Andres Ortiz Salazar

  34. Workbench proposal for PV cell control test for research and educational purposes

    Article • November 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Doctor Andres Ortiz Salazar

  35. A Novel Driving Scheme for Three-Phase Bearingless Induction Machine with Split Winding

    Article • Energies, August 2021, MDPI AG

    Doctor Andres Ortiz Salazar

  36. Study and speed control of a Pipeline Inspection Gauge (PIG)

    Article • August 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Doctor Andres Ortiz Salazar

  37. Use of predictive model technique to increase the robustness of closed-loop wireless communication

    Article • August 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Doctor Andres Ortiz Salazar

  38. Approach to partial eigenvalue assignment using Sylvester equation in system-second order

    Article • March 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Doctor Andres Ortiz Salazar

  39. Impulse elimination for singular second-order system: approach

    Article • March 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Doctor Andres Ortiz Salazar

  40. Radial Position Control of a Bearingless Machine with Active Disturbance Rejection Control Fuzzy an approach

    Article • March 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Doctor Andres Ortiz Salazar

  41. Downhole Telemetry Systems to Monitor Electric Submersible Pumps Parameters in Oil Well

    Article • IEEE Access, January 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Doctor Andres Ortiz Salazar

  42. Structured and Unstructured Robust Control for an Induction Motor

    Article • International Journal of Advanced Computer Science and Applications, January 2021, The Science and Information Organization

    Doctor Andres Ortiz Salazar

  43. One Cycle Control of a PWM Rectifier a New Approach

    Article • Energies, October 2020, MDPI AG

    Doctor Andres Ortiz Salazar

  44. Radial Position Control of a Bearingless Machine with Active Disturbance Rejection Control

    Article • September 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Doctor Andres Ortiz Salazar

  45. Development of a Hybrid PV-Thermoelectric System

    Article • December 2019, Institute of Electrical & Electronics Engineers (IEEE)

    Doctor Andres Ortiz Salazar

  46. Wind Turbine Emulator with DC Motor

    Article • December 2019, Institute of Electrical & Electronics Engineers (IEEE)

    Doctor Andres Ortiz Salazar

  47. Workbench for Monitoring and Operation of Electric Machines

    Article • December 2019, Institute of Electrical & Electronics Engineers (IEEE)

    Doctor Andres Ortiz Salazar

  48. System of Sensors and Actuators for the Production of Water Used in the Manufacture of Medicines

    Article • Sensors, October 2019, MDPI AG

    Doctor Andres Ortiz Salazar

  49. Electrical modelling of an electrical submersible pump system three-phase power cable used in power line communication

    Article • PRZEGLĄD ELEKTROTECHNICZNY, October 2019, Wydawnictwo SIGMA-NOT, sp. z.o.o.

    Doctor Andres Ortiz Salazar

  50. A stand-alone photovoltaic system for DC distribution

    Article • Renewable and Sustainable Energy Reviews, August 2019, Elsevier

    Professor Alberto Lock, Doctor Andres Ortiz Salazar

  51. Design and Operation of an OCC Based Scheme for a Stand-Alone PV System Powering DC Loads

    Article • IET Renewable Power Generation, June 2019, the Institution of Engineering and Technology (the IET)

    Professor Alberto Lock, Doctor Andres Ortiz Salazar

  52. Study of Flow Rate Measurements Derived from Temperature Profiles of an Emulated Well by a Laboratory Prototype

    Article • Sensors, March 2019, MDPI AG

    Doctor Andres Ortiz Salazar

  53. REDE NEURAL DE ELMAN APLICADA NA PREVISÃO DE PREÇOS DE COMBUSTÍVEIS

    Article • March 2019, Atena Editora

    Doctor Andres Ortiz Salazar

  54. Proposal of a Fuzzy Controller for Radial Position in a Bearingless Induction Motor

    Article • IEEE Access, January 2019, Institute of Electrical & Electronics Engineers (IEEE)

    Doctor Andres Ortiz Salazar

  55. Design and Implementation of DSP-Based H-Infinity Robust Controller for a Boost Converter

    Article • IEEE Latin America Transactions, November 2018, Institute of Electrical & Electronics Engineers (IEEE)

    Doctor Andres Ortiz Salazar

  56. MPPT based on One Cycle Control and Temperature Method Embedded in a DSP

    Article • October 2018, Institute of Electrical & Electronics Engineers (IEEE)

    Doctor Andres Ortiz Salazar

  57. Optimization of Self Bearing Induction Motor Drive

    Article • October 2018, Institute of Electrical & Electronics Engineers (IEEE)

    Doctor Andres Ortiz Salazar

  58. Pipeline Inspection Gauge’s Velocity Simulation Based on Pressure Differential Using Artificial Neural Networks

    Article • Sensors, September 2018, MDPI AG

    Doctor Andres Ortiz Salazar

  59. Development and Analysis of a Cryptographic Algorithm for Genetically Optimized Wireless Sensor

    Article • PRZEGLĄD ELEKTROTECHNICZNY, August 2018, Wydawnictwo SIGMA-NOT, sp. z.o.o.

    Doctor Andres Ortiz Salazar

  60. One Cycle Control for Battery Connected Standalone Photovoltaic Systems for DC Loads

    Article • IEEE Latin America Transactions, July 2018, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Alberto Lock, Doctor Andres Ortiz Salazar

  61. Adaptive Wavelet Coding Applied in a Wireless Control System

    Article • Sensors, December 2017, MDPI AG

    Doctor Andres Ortiz Salazar

  62. Wireless Monitoring of Induction Machine Rotor Physical Variables

    Article • Sensors, November 2017, MDPI AG

    Doctor Andres Ortiz Salazar

  63. Efficient scheme of battery charging based on one cycle control applied in photovoltaic systems

    Article • November 2017, Institute of Electrical & Electronics Engineers (IEEE)

    Doctor Andres Ortiz Salazar

  64. One-cycle control based maximum power point tracker using constant voltage method for battery charging applications

    Article • November 2017, Institute of Electrical & Electronics Engineers (IEEE)

    Doctor Andres Ortiz Salazar

  65. PIG’s Speed Estimated with Pressure Transducers and Hall Effect Sensor: An Industrial Application of Sensors to Validate a Testing Laboratory

    Article • Sensors, September 2017, MDPI AG

    Doctor Andres Ortiz Salazar

  66. Maximum Power Point Tracker Based Digital One Cycle Control Applied in PV Systems

    Article • Renewable Energy and Power Quality Journal, April 2017, UK Zhende Publishing Limited Company

    Doctor Andres Ortiz Salazar

  67. Overview of alternative energy in Brazil

    Article • Renewable Energy and Power Quality Journal, April 2017, UK Zhende Publishing Limited Company

    Doctor Andres Ortiz Salazar

  68. Implementation of Pi-Fuzzy Controller for Progressing Cavity Pump Artificial Oil Lift System

    Article • IEEE Latin America Transactions, February 2017, Institute of Electrical & Electronics Engineers (IEEE)

    Doctor Andres Ortiz Salazar

  69. One Cycle Control applied to a stand-alone photovoltaic system for DC microgrid applications

    Article • October 2016, Institute of Electrical & Electronics Engineers (IEEE)

    Doctor Andres Ortiz Salazar

  70. Effect of Pressure on the Azeotrope of the Mixture Isoamyl Acetate–Isoamyl Alcohol at 50.00, 101.32, 250.00, and 350.00 kPa

    Article • Journal of Chemical & Engineering Data, August 2016, American Chemical Society (ACS)

    Doctor Andres Ortiz Salazar

  71. Application of wavelet coding in a control system using wireless sensor networks

    Article • August 2016, Institute of Electrical & Electronics Engineers (IEEE)

    Doctor Andres Ortiz Salazar

  72. WINSS: A simulation tool of the IEEE 802.15.4 Standard for Network Simulator 2

    Article • August 2016, Institute of Electrical & Electronics Engineers (IEEE)

    Doctor Andres Ortiz Salazar

  73. Flow Rates Measurement and Uncertainty Analysis in Multiple-Zone Water-Injection Wells from Fluid Temperature Profiles

    Article • Sensors, July 2016, MDPI AG

    Doctor Andres Ortiz Salazar

  74. One Cycle Control Based Maximum Power Point Tracker Applied in Photovoltaic Systems

    Article • IEEE Latin America Transactions, February 2016, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Alberto Lock, Doctor Andres Ortiz Salazar

  75. Conceptual Design for the Separation of a Mixture of Isoamyl Acetate and Isoamyl Alcohol

    Article • January 2016, Elsevier

    Doctor Andres Ortiz Salazar

  76. Multi-proposal utilization of One-Cycle Controller in photovoltaic systems for DC applications

    Article • November 2015, Institute of Electrical & Electronics Engineers (IEEE)

    Doctor Andres Ortiz Salazar

  77. One-Cycle Control applied to a bidirectional Buck-Boost converter in energy storage applications

    Article • November 2015, Institute of Electrical & Electronics Engineers (IEEE)

    Doctor Andres Ortiz Salazar

  78. EEWES: an energy-efficient wireless sensor network embed-ded system to be applied on industrial environments

    Article • Ingeniería e Investigación, August 2015, Universidad Nacional de Colombia

    Doctor Andres Ortiz Salazar

  79. Development of a fluid pumping system using a motor bearingless synchronous permanent magnet

    Article • May 2015, Institute of Electrical & Electronics Engineers (IEEE)

    Doctor Andres Ortiz Salazar

  80. Modeling and experimental analysis for nanoparticles heating using magnetic fields to high frequency

    Article • May 2015, Institute of Electrical & Electronics Engineers (IEEE)

    Doctor Andres Ortiz Salazar

  81. A Proposal for a New Wind Turbine Topology Using an Electromagnetic Frequency Regulator

    Article • IEEE Latin America Transactions, April 2015, Institute of Electrical & Electronics Engineers (IEEE)

    Doctor Andres Ortiz Salazar

  82. SEREE: An Energy-Efficient Wireless Sensor Network Embedded System to be Applied on Plunger Lift Oil Elevation Method

    Article • IEEE Latin America Transactions, April 2015, Institute of Electrical & Electronics Engineers (IEEE)

    Doctor Andres Ortiz Salazar

  83. Energy-Efficient WSN Systems

    Article • January 2015, Springer Science + Business Media

    Doctor Andres Ortiz Salazar

  84. Instrumentation to detect contamination of insulating oil in motors applied to electrical submersible pump

    Article • December 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Doctor Andres Ortiz Salazar

  85. Analytical and Experimental Modeling and Simulation of a Magnetic Braking System for Pipeline Oil Applications

    Article • IEEE Transactions on Magnetics, November 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Doctor Andres Ortiz Salazar

  86. Hybrid fuzzy and robust controller applied to a DC-DC boost converter

    Article • October 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Doctor Andres Ortiz Salazar

  87. CRYSEED: An automatic 8-bit cryptographic algorithm developed with genetic programming

    Article • May 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Doctor Andres Ortiz Salazar

  88. Data reading and monitoring system of bearingless machine

    Article • May 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Doctor Andres Ortiz Salazar

  89. QoS analysis of routing protocols in wireless sensor networks in the monitoring of wind farms

    Article • May 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Doctor Andres Ortiz Salazar

  90. Dynamic Power Control of a PV-Fuel Cell Hybrid Energy System Used in DC Motors Applications

    Article • April 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Doctor Andres Ortiz Salazar

  91. Observer Based Sensor Fault Tolerant for Grid Tied - Solar Inverters

    Article • April 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Doctor Andres Ortiz Salazar

  92. A energy efficient WSN system for limited power source environments

    Article • December 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Alberto Lock, Doctor Andres Ortiz Salazar

  93. FPGA based robust controller applied to a boost converter

    Article • October 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Doctor Andres Ortiz Salazar

  94. DSP based Fuzzy controller applied to a DC-DC Boost converter

    Article • September 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Doctor Andres Ortiz Salazar

  95. Analysis and Study of a Bearingless AC Motor Type Divided Winding, Based on a Conventional Squirrel Cage Induction Motor

    Article • IEEE Transactions on Magnetics, November 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Alberto Lock, Doctor Andres Ortiz Salazar

  96. Robust control applied in Buck Boost converter in a photovoltaic system: A new proposal

    Article • October 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Doctor Andres Ortiz Salazar

  97. Modeling and simulation of high voltage and radio-frequency transformer

    Article • Journal of Applied Physics, March 2012, American Institute of Physics

    Doctor Andres Ortiz Salazar

  98. Development and implementation of WSN embedded systems units to be applied on Plunger Lift oil elevation method

    Article • November 2011, Institute of Electrical & Electronics Engineers (IEEE)

    Doctor Andres Ortiz Salazar

  99. Magnetic Sensor Used to Detect Contamination of Insulating Oil in Motors Applied to Electrical Submersible Pump

    Article • IEEE Transactions on Magnetics, October 2011, Institute of Electrical & Electronics Engineers (IEEE)

    Doctor Andres Ortiz Salazar

  100. Implementation of a shunt active filter using the Theory of Generalized Instantaneous Power

    Article • September 2011, Institute of Electrical & Electronics Engineers (IEEE)

    Doctor Andres Ortiz Salazar

  101. Simulation and project of high frequency transformer applied to a plasma plant

    Article • September 2011, Institute of Electrical & Electronics Engineers (IEEE)

    Doctor Andres Ortiz Salazar

  102. Experimental analysis of a series resonant converter for a plasma inertization plant

    Article • November 2010, Institute of Electrical & Electronics Engineers (IEEE)

    Doctor Andres Ortiz Salazar

  103. A reliability model of energy-efficient parallel disk systems with data mirroring

    Article • International Journal of High Performance Systems Architecture, January 2010, Inderscience Publishers

    Doctor Andres Ortiz Salazar

  104. Real time leak detection system applied to oil pipelines using sonic technology and neural networks

    Article • November 2009, Institute of Electrical & Electronics Engineers (IEEE)

    Doctor Andres Ortiz Salazar

  105. Proposal of a AC/DC converter with unitary power factor for a thermal plasma torch system

    Article • September 2009, Institute of Electrical & Electronics Engineers (IEEE)

    Doctor Andres Ortiz Salazar

  106. Performance analysis of a neural flux observer for a bearingless induction machine with divided windings

    Article • September 2009, Institute of Electrical & Electronics Engineers (IEEE)

    Doctor Andres Ortiz Salazar

  107. Coverage-Aware Sleep Scheduling for Cluster-Based Sensor Networks

    Article • April 2009, Institute of Electrical & Electronics Engineers (IEEE)

    Doctor Andres Ortiz Salazar

  108. An Energy-Efficient Reliability Model for Parallel Disk Systems

    Article • January 2009, Institute of Electrical & Electronics Engineers (IEEE)

    Doctor Andres Ortiz Salazar

  109. Computer Simulation for Oil Wells with Artificial Lift Method by Electrical Submersible Pump

    Article • January 2009, Elsevier

    Doctor Andres Ortiz Salazar

  110. Analysis of a bearingless machine with divided windings

    Article • IEEE Transactions on Magnetics, October 2005, Institute of Electrical & Electronics Engineers (IEEE)

    Doctor Andres Ortiz Salazar

  111. A bearingless method for induction machines

    Article • IEEE Transactions on Magnetics, November 1993, Institute of Electrical & Electronics Engineers (IEEE)

    Doctor Andres Ortiz Salazar

  112. A magnetic bearing system using capacitive sensors for position measurement

    Article • IEEE Transactions on Magnetics, January 1990, Institute of Electrical & Electronics Engineers (IEEE)

    Doctor Andres Ortiz Salazar

  113. A Suitable Current Control Strategy for Split-Phase Bearingless Three-Phase Induction Machine

    Article • Institute of Electrical & Electronics Engineers (IEEE)

    Doctor Andres Ortiz Salazar

  114. Analyses of a bearingless three phase induction machine

    Article • Institute of Electrical & Electronics Engineers (IEEE)

    Doctor Andres Ortiz Salazar

  115. DSP utilization in radial positioning control of bearingless machine

    Article • Institute of Electrical & Electronics Engineers (IEEE)

    Doctor Andres Ortiz Salazar

  116. Implementation of a fuzzy-PI controller for a pulsed plasma nitriding power source

    Article • Institute of Electrical & Electronics Engineers (IEEE)

    Doctor Andres Ortiz Salazar