Intellectual Property Record

• 2003 System & Method for Data-Driven Control of Manufacturing Processes. US Patent 7,171,897
• 2007 Hybrid Data-Driven Closed-Loop Control of the Stencil Printing Process. US Patent App.
• 2006 Method for Characterization, Detection and Prediction for Target Events. US Patent App.
• 2006 System & Method for Selection of Prediction Tools. US Patent Application
• 2005 Curve Fitting for Signal Estimation, Prediction, & Parameterization. US Patent Application
• 2005 Finite-State Markov-Model Based Fault Code Prediction. US Patent Application
• 2005 Quasi-Redundant Smart Sensing Topology. US Patent Application
• 2005 Smart Actuator Topology. US Patent Application
• 2005 System & Method for Production System Performance Prediction. US Patent Application
• 2005 System & Method for Temporal Data Mining. US Patent Application

Relevant Publications

• S. Kadambe, Y. Cho, and L. G. Barajas, Finite State Markov Model Based Knowledge Discovery, in ASME Press series on Intelligent Engineering Systems Through Artificial Neural Networks vol. 15, in proceedings of the Artificial Neural Networks in Engineering Conference (ANNIE 2005): held November 7-9, 2005, in St. Louis, Missouri, U.S.A., C. H. Dagli, B. Fernández, J. Ghosh, and R. T. S. Kumara, Eds. New York: ASME Press, pp. 437-445, 2005
  

• L. G. Barajas, M. Egerstedt, E. W. Kamen, and A. Goldstein, Stencil Printing Process Modeling and Control Using Statistical Neural Networks (Abstract). To appear on IEEE Transactions on Electronics Packaging Manufacturing, 2007.
  

• L. G. Barajas, A. Kansal, A. Saxena, M. Egerstedt, A. Goldstein, and E. W. Kamen, Modeling and Control of SMT Manufacturing Lines Using Hybrid Dynamic Systems (Abstract). Book Chapter to appear in Hybrid Systems: Computation and Control, Springer-Verlag, Prague, The Czech Republic, April 2003.
  

• L. G. Barajas, M. Egerstedt, E. W. Kamen, and A. Goldstein, Process Control in a High-Noise Environment Using a Limited Number of Measurements (Abstract).presented at the American Control Conference (ACC03) in Denver, June 2003.
  

• L. G. Barajas, Process Control in High-Noise Environments Using a Limited Number of Measurements. Ph.D. dissertation, M. B. Egerstedt and E. W. Kamen (Advisors), School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, GA, USA, 2003.
  

• L. G. Barajas, E. W. Kamen, A. Goldstein, M. Egerstedt, and B. Small, A Closed-Loop Control Algorithm for Stencil Printing. Surface Mount Technology Association (SMTA) Conference in Boston, June 2002.
  

• L. G. Barajas, E. W. Kamen, and A. Goldstein, On-Line Enhancement of the Stencil Printing Process. Circuits Assembly, March 2001.
  

• L. G. Barajas, "Real Time Kernel Controller for Oil Fields with Heterogeneous Variable Frequency Drives," Occidental Petroleum Corp., Oil & Gas Division, Telecommunications & SCADA Department, Bogotá, Colombia, Engineering Report, Versions 1-3, (1997, 1998, and 1999) 1999.
  

• L. G. Barajas, Neuro-Fuzzy Embedded Control System (Abstract). Honored B.S.E.E. Thesis (5.0/5.0), Universidad Distrital F.J.C., Bogotá, Colombia, 1998. (Full version in Spanish). (Presentation in Spanish).

Professional Activities

• 2006-Present SAE (Society of Automotive Engineers) Member
• 2005-Present SIGMA XI (The Scientific Research Society) Elected Full Member, Progs. Committee Member
• 2005-Present SME (Society of Manufacturing Engineers) Elected Senior Member, Machine Vision Tech Group Leader and 2007 Chapter 069 Programs Chair
• 2003-Present FIRST Robotics General Motors’ Mentor in Regional & International Robotics Competitions. Team 201 - The FEDS: 2006 International Championship Event - Undefeated Galileo Division Winner Alliance, Team Alliance ranked 3rd in the world
• 2004-Present ACM/SIGKDD (Association for Computing Machinery, Special Interest Group in Knowledge Discovery and Data Mining) Member
• 2005-Present GM’s Project Management Special Interest Group (SIG), Board Member
• 2004-Present GM’s Knowledge Discovery & Data Mining Special Interest Group (SIG), Board Member
• 2004-Present GM’s Georgia Tech’s University Relations Team (URT) Member
• 2003-Present GM’s Hispanic Initiative Team (HIT) Member
• 2001-2003 SMTA (Surface Mount Technology Association) Member
• 2000-2003 SGA (Student Government Association) Senator for the ECE graduate student body
• 1999-Present SHPE (Society of Hispanic Professional Engineers) Member
• 1998-Present ACIEM (Colombian Association of Electrical & Mechanical Engineers) Member
• 1994-Present IEEE (Institute of Electrical & Electronics Engineers) Memberships in Control Systems, Circuits & Systems, Neural Networks & Computer Societies. (S’94 - M’98 - SM’06)

Conference and Journal Paper Reviews

• IEEE Conference on Decision and Control (CDC)
  
• IEEE Transactions on Automation Science and Engineering (T-ASE)
  
• ASME International Conference on Manufacturing Science & Engineering (MSEC)
  
• American Control Conference (ACC)
  
• Journal of Universal Computer Science (JUCS)
  
• Journal on Multi-Sensor/Multi-Source Information Fusion
  

Related Bibliography

• HTML Version
• TXT Version
• ENL EndNote Version

Matlab© Programming

• MAT.wcx v1.83b : A Total Commander plugin to manage Matlab files, complete description here.
  If you don't have Matlab installed in your system you will need the MAT dll-runtime files: MATdlls_v6.1.zip .
• cummean.m: Average cumulative mean function, complete description here.
• life3D.m : My 3D expansion of the MATLAB's version of Conway's Game of Life, complete description here.
• Plot182 : Well known Toolbox to handle curve plotting nicely and allow user to manipulate, examine, and modify plot after plotting using mouse commands, new menu items, and key presses. Written by Tobi Delbruck (It does not work well with R12 and above).

Online Research Sources

• GT Search
• GT Library
• IEEE Explore
• Scirus
• NEC Research Institute
• NEC Research Index:
• Wolfram Research
• Mathematical Functions
• Mathworks Search (Matlab)
• Academic Info
• Search4science
• All Academic
• Princeton Reference
• Encyclopedia Britannica
• Library of Congress