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Curriculum Vitae

GENERAL DATA

First Name: Rafael
Last Name: Vargas Bernal
Organization: Instituto Tecnológico Superior de Irapuato (ITESI)
Department: Electronics
Current Position: Coordinator of the "Research and Development Center of Micro and Nano Technologies" (RDCMNT)
Marital Status: Married
Address: Carretera Irapuato-Silao Km. 12.5
City: Irapuato
State/Country: Guanajuato, Mexico
Zip code: 36821
P.O. Box: 179
Phone: +52 462 6067900 x146
Fax: +52 462 6067900 x105
E-mail: ravargas@itesi.edu.mx
Web page: https://www.angelfire.com/electronic2/cas/index.html

EDUCATION

Ph.D., Electronics Engineering, National Institute for Astrophysics Optics and Electronics (Tonantzintla, Puebla, Mexico), July 19th, 2000.
M.Sc., Electronics Engineering, National Institute for Astrophysics Optics and Electronics (Tonantzintla, Puebla, Mexico), September 4th, 1997.
Bachelor, Communications and Electronics Engineering, University of Guanajuato (Salamanca, Guanajuato, Mexico), October 6th, 1995.
Certificating on Human Development for Professors, Instituto Tecnológico Superior de Irapuato (Irapuato, Mexico), May 15th, 2003

RESEARCH INTERESTS

MEMS: RF MEMS, BioMEMS, MOEMS, Microfluids, and Topological Optimization
Telecommunications
Instrumentation
Circuit Topology

CURRENT EMPLOYMENT

Professor, Department of Electronics Engineering, Instituto Tecnológico Superior de Irapuato (Irapuato, Guanajuato, Mexico), January 2002-present.
- Current Courses: Instrumentation and Industrial Instrumentation
- Courses taught:
  - Electrical Measurements: January-June 2002.
  - Numerical Methods: January-June 2002.
  - Electronics I: January-June 2002, and January-June 2003.
  - Electronics III: January-June 2003.
  - Semiconductor Physics: June-July 2002, August-December 2002, January-June 2003, and August-December 2003.
  - Optoelectronics: August-December 2002, January-June 2003, January-June 2004, and January-June 2005.
  - Electromagnetical Theory: January-June 2004.
  - Instrumentation: August-December 2004.
  - Industrial Instrumentation: August-December 2004, and January-June 2005.
Founding and Current Coordinator, Research and Development Center of Micro and Nano Technologies (RDCMNT), Instituto Tecnológico Superior de Irapuato (Irapuato, Guanajuato, Mexico), April 2003-present, a special assignment.
- Founded in April 2003, RDCMNT is an interdisciplinary center whose mission is to foster excellence and scientific advancement in the study and application of MEMS (MicroElectroMechanical Systems) and Nanotechnology in several applications.

PAST EMPLOYMENT

Professor, Department of Communications and Electronics Engineering, University of Guanajuato, October 2000-September 2001.
- Courses taught at the University of Guanajuato:
  - Bachelor on Communications and Electronics Engineering:
    - Electronic Devices I: October-December 2000.
    - Laboratory of Electronic Devices I: October-December 2000.
    - Digital Instrumentation: October-December 2000, April-July 2001.
    - Electronic Instrumentation: January-March 2001.
    - Calculus III: January-March 2001.
    - Introduction to Telecommunications: August-September 2001.
  - Master Engineering with Speciality in Digital Systems and Instrumentation:
    - Microprocessors: April-July 2001

PROFESSIONAL ACTIVITIES

Student Member IEEE (Institute of Electrical and Electronics Engineers), 1993-1994, 1999-2000.
Member IEEE, 2001-2002.
Member MANCEF (Micro and Nano Commercialisation Education Foundation), 2004-2005
Reviewer for International Congress, 2001 IEEE International Symposium on Circuits and Systems (ISCAS), Sidney, Australia.
Reviewer for Electrical Engineering Reviews, IEEE Latin America Electrical Engineering Review, August 2003-present.
Organizer of a Academical Week in Electronics Department, Instituto Tecnológico Superior de Irapuato, May 20-24th, 2002.
Jury of the Creativity Regional Competition, Instituto Tecnológico de Celaya, September 9-11, 2003.

THESES SUPERVISED

Bachelor on Communications and Electronics Engineering
- Jessica Janet Castillo Cruz, "Implications in the Use of Infrared Temperature Probe and Its Applications", University of Guanajuato, November 23 th, 2001.
- Eva Paula López Yépez, "Development of a Computational Tool for Speech Synthesis using Labview", University of Guanajuato, December 1 th, 2001.
- Jorge Mario Herrera Granados, "Geographical and Installation Implications of Cellular Systems", University of Guanajuato, January 18 th, 2002.
- Eliseo Ayala Váldes, "Temperature Measurement System of the Automotive Components by means of RTDs", University of Guanajuato, January 25 th, 2002.
- Dinorah Arellano Lara, "Temperature Measurement System by means of Termocouples in Automobiles", University of Guanajuato, February 15th, 2002.
Master Engineering Students Graduated
- Rodrigo Montiel Uribe, "Comparison of the Spectral Estimation Methods in Parametrical Modelling", University of Guanajuato, December 7th, 2001.

PUBLICATIONS

International Reviews
1. Rafael Vargas-Bernal, "Topological Optimization of MEMS Shorts Design Time", Micro/Nano Newsletters, pp. 5, January 2005.
2. Rafael Vargas-Bernal, "Research in Electrical Engineering at the 'Instituto Tecnológico Superior de Irapuato'", Micro/Nano Newsletters, pp. 5, January 2005.
International Congresses
1. Rafael Vargas-Bernal, "Methodologies for the Topological Optimization of MEMS", in Proceedings of the Second IEEE International Congress on Innovation and Technological Development, Cuernavaca, Morelos, November 2004.
2. Rafael Vargas-Bernal, "A Method based on Graphical Concepts for Recognising Feedback Topologies", in Proceedings of the International Conference on Devices, Circuits and Systems 2003, Veracruz, Mexico, June 2003.
3. Rafael Vargas-Bernal, "Prediction of Multiple DC Operating Points in a CMOS Log-Domain Filter", in Proceedings of the IEEE Latin-American CAS Tour 2002, pp. 70-73, Tonantzintla, Puebla, Mexico, November 21 th, 2002.
4. Rafael Vargas-Bernal, "New Topologies of Positive Feedback Structures", in Proceedings of the 24th Academical International Congress of Electronics Engineering (ELECTRO), Chihuahua, Chihuahua, México, pp. 605-610, October 25th, 2002.
5. Rafael Vargas-Bernal, "Determination of the Number of DC Operating Points of Composed Positive Feedback Structures", in Proceedings of the 24th Academical International Congress of Electronics Engineering (ELECTRO), Chihuahua, Chihuahua, México, pp. 599-604, October 25th, 2002.
6. Rafael Vargas-Bernal, Arturo Sarmiento Reyes, and Luis Hernández Martínez, "On the Maximum Number of DC Solutions of General Transistor Networks", in Proceedings of the 7th IEEE International Conference on Electronics, Circuits, and Systems (ICECS), Beirut, Lebanon, Vol. 1, pp. 928-931, December 2000.
7. Arturo Sarmiento Reyes, Luis Hernández Martínez, Rafael Vargas-Bernal, "Matrix-Based Search of a Pair of Compatible i-v Orientations for the Uniqueness Analysis of Nonlinear Resistive Circuits", in Proceedindgs of the 7th IEEE International Conference on Electronics, Circuits and Systems (ICECS), Beirut, Lebanon, Vol. 1, pp. 768-771, December 2000.
8. A. Sarmiento Reyes, L. Hernández Martínez, H. Vázquez Leal, A. Bocanegra Haro, R. Vargas-Bernal, "An Optimal Reordering Schema of Homotopy Equations for the Analysis of Nonlinear Resistive Circuits", in Proceedings of the 7th IEEE International Conference on Electronics, Circuits, and Systems (ICECS), Beirut, Lebanon, Vol. 1, pp. 764-767, December 2000.
9. A. Sarmiento Reyes, M. E. Miranda Varela, L. Hernández Martínez, R. Vargas-Bernal, H. Vázquez Leal, R. Enríquez Shibayama, and A. Bocanegra Haro, "Powering Homotopy-Based Circuit Simulation with Symbolic Analysis", in Proceedings of the 6th International Workshop on Symbolic Methods and Applications in Circuit Design (SMACD), Lisbon, Portugal, Vol. 1, pp. 135-138, October 2000.
10. Arturo Sarmiento Reyes, Rafael Vargas-Bernal, Luis Hernández Martínez, Miguel Ángel Gutiérrez de Anda, and Mariana Edith Miranda Varela, "A Symbolic-Oriented Generator of Graphs emanating from Electrical Networks", in Proceedings of the 6th International Workshop on Symbolic Methods and Applications in Circuit Design (SMACD), Lisbon, Portugal, Vol. 1, pp. 109-112, October 2000.
11. Rafael Vargas-Bernal, Arturo Sarmiento Reyes, and Wouter A. Serdijn, "Identifying Translinear Loops in the Circuit Topology", in Proceedings of the IEEE 2000 International Symposium on Circuits and Systems (ISCAS), Geneva, Switzerland, Vol. 2, pp. 585-588, May 2000.
12. Rafael Vargas-Bernal and Arturo Sarmiento Reyes, "A Topology-based Method for Identifying Flip-Flop Graphs in BJT Circuits", in Proceedings of the 1999 IEEE International Symposium on Circuits and Systems (ISCAS), Orlando, Florida, USA, Vol. 6, pp. 133-136, June 1999.
13. Arturo Sarmiento Reyes, Rafael Vargas-Bernal, and Eduart Kleihorst, "A Topological Approach for Determining the Uniqueness of the DC Solution", in Proceedings of the 5th IEEE International Conference on Electronics, Circuits and Systems (ICECS), Lisbon, Portugal, Vol. 1, pp- 67-70, September 1998.
14. Arturo Sarmiento Reyes, and Rafael Vargas- Bernal, "Assessing the Uniqueness of the DC Solutions by Tearing of Cactus Graphs via Detection of Hinging Structures", in Proceedings of the 1998 IEEE International Symposium on Circuits and Systems (ISCAS), Monterey, California, USA, Vol. 6, pp. 310-313, June 1998.
15. Arturo Sarmiento Reyes and Rafael Vargas-Bernal, "A Topology-based Method to Assess the Uniqueness of the DC Solution of Transistor Networks", 19th Academical International Congress of Electronics Engineering, Chihuahua, Chihuahua, México, Vol. 1, pp. 48-52, October 1997.
16. Arturo Sarmiento Reyes and Rafael Vargas-Bernal, "Cactus Graphs for Assessing the Uniqueness of the DC Operating Point", Proceedings of the First IEEE International Workshop on Design of Mixed-Mode Integrated Circuits and Applications, Cancún, México, Vol. 1, No. 1, pp. 94-97, July 1997.
National Congresses
1. Rafael Vargas-Bernal, "The Use of Circuit Topology to Identify Feedback Structures", in Proceedings of the First National Meeting of Research Development, Graduated Students and Disclosure of the Sciences in Descentralized Technological Institutes, September 2003.
2. Rafael Vargas Bernal, "Creation of a Design Center of Micro-Electromechanical Systems in ITESI", in Proceedings of the First National Meeting of Research Development, Graduated Students and Disclosure of the Sciences in Descentralized Technological Institutes, September 2003.
3. Arturo Sarmiento Reyes, Rafael Vargas-Bernal, and Miguel Ángel Gutiérrez de Anda, "The Use of Weighted Digraphs for Establishing the Necessary Conditions for BJT Circuits to Have a Unique Solution", in Proceedings of the 8th IEEE Conference of Electronics Communications and Computers (CONIELECOMP), Cholula, Puebla, México, Vol. 1, pp. 204-208, February 1998.
4. Arturo Sarmiento Reyes and Rafael Vargas-Bernal, "Develoment of a Tearing Method of Cactus Graphs by Detecting Hinged Graphs", in Proceedings of the 8th IEEE Conference of Electronics Communications and Computers (CONIELECOMP), Cholula, Puebla, México, Vol. 1, pp. 220-224, February 1998.
5. Rafael Vargas-Bernal, "Techniques of Parametrical Spectral Estimation", in Proceedings of the CIECE, IEEE Sección México, Ciudad Obregón, Sonora, México, March 1995.
6. Rafael Vargas-Bernal, "Computational Tool for the IIR Filter Design", in Proceedings of the CIECE, IEEE Sección México, Zacatecas, Zacatecas, México, March 1994.

INVITED PRESENTATIONS:

Universities in Mexico

Instituto Tecnológico Superior de Tacámbaro (Michoacán)
- "Applications of the Micro-Electromechanical Systems (MEMS) on Food and Computational Systems": October 31th, 2003
Instituto Tecnológico Superior de Poza Rica (Veracruz)
- "Applications of the Micro-Electromechanical Systems (MEMS)": May 11th, 2004
Instituto Tecnológico de Celaya (Guanajuato)
- "Micro-Electromechanical Systems (MEMS)": May 21th, 2004
Instituto Tecnológico de León (Guanajuato)
- "Micro-Electromechanical Systems (MEMS)": September 21th, 2004
Instituto Tecnológico Superior de Zapopan (Jalisco)
- "Micro-Electromechanical Systems (MEMS)": October 5th, 2004
Instituto Tecnológico Superior de Irapuato (Guanajuato)
- "Applications of the Micro-Electromechanical Systems (MEMS)": September 23th, 2003
- "Perspectives and Realities of the MEMS Applications on Automotive Sector": May 19th, 2004
- "Hard Disks based on MEMS": October 13th, 2004
- "Optical Networks based on MEMS": October 13th, 2004

Last modified February 4th, 2005.

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