Web Site: www.mwftr.com
3. Modeling and Simulation by Cellular Automata - Link to CA application page
4. Vertically Integrated Projects (VIP) Program -a new approach for STEM education - Link to VIP at Howard University
5. Machine Reasoning: Entropy Minimax and Inductive Reasoning for Probabilistic Decision Making System under Incomplete knowledge and data
6. Renewable Micro-Power System Design (Lecture Notes)
7. Fault Location in Distribution Systems (Lecture Note)
Publication
U. S. Patents
U. S. Patent 10592668 "Computer system security with redundant diverse secondary control system with incompatible primary control system" (Grant date: March 17 2020): A redundant and diverse secondary control system mirrors a primary control system but has some fundamental structural difference as compared to the primary control system to prevent a spread of a security breach from the primary control system to the secondary control system. The secondary control system may operate on different hardware built on different software written with different programming language as compared to the primary control system while performing the same function as that of the primary system. By hardware coding the algorithm to produce actuation signals, software based viruses and worms cannot interfere with the secondary control system's operation. A monitor device receives actuation signals from both the primary and secondary controls signals to determine whether an error occurred and to provide correct actuation signals to the controlled system. US10592668 (pdf)
U. S. Patent 9696367 "Apparatus and Method of Fault Detection and Location Determination" (July 4, 2017) -- Abstract: A distance from a measurement point to a fault in a three-phase circuit is determined. The measurement point is located at an output of a power substation and the three-phase circuit has a loop circuit having an associated net fault line current and a ground current. A derivative of the net fault line current of the loop circuit as measured from the measurement point is calculated. An uncompensated distance to the sub-cycle fault using at least the derivative of the net fault current is determined, and configured, to compensate for the ground current of the loop circuit. The compensation is applied to the uncompensated distance to produce a compensated distance to the sub-cycle fault.
U. S. Patent 8941387 "Apparatus and Method for Fault Detection and Location Determination" (January 27, 2015) -- Abstract: An electrical waveform is received over an electrical power line. A plurality of nominal electrical parameters are determined for the electrical power network and the plurality of nominal electrical parameters are associated with a state of the electrical power network in the absence of at least one transitory electrical fault in the network. Subsequently, a plurality of electrical parameters of the electrical waveform are sampled when the at least one transitory electrical fault exists in the network. A plurality of inductances are determined based at least in part upon a comparison of the nominal electrical parameters and the plurality of sampled electrical parameters. The plurality of inductances are representative of inductances present in the network when the at least one transitory electrical fault exists in the network. The plurality of inductances are analyzed to determine a distance and/or direction to the at least one electrical fault.
U.S. Patent 8897635 "System and Method of Detecting and Locating Intermittent and Other Faults" (November 25, 2014) - Abstract: A signal is conducted from a controller module onto a network via a first coupling. The signal is transmitted across the network and received at one or more receiver modules via one or more second coupling. At the one or more receiver modules, the received signal is analyzed and based upon the analysis, a determination is made as to whether a fault had occurred in the network and/or where the occurrence occurred.
U. S. Patent 8711711 "System and Method of Detecting and Locating Intermittent and Other Faults" (April 29, 2014) - Abstract: Data associated with at least one building condition or status is sensed by one or more sensors. The data from theses sensors may be sent over a data bus and received by the central computer. In addition, a modulated signal may be transmitted by one or both of the transmitters across the data bus. The modulated signal is received at the receiver, which analyzes the received modulated signal, and determines whether an intermittent fault has occurred on the data bus based upon the analyzing. For example, the receiver may compare the received signal to an expected pattern and when a discrepancy exists, an intermittent fault is determined to exist. The receiver may also determine the location of the fault based upon the analysis.
A. Incipient Fault/Failure Detection and Anticipation
Charles Kim, "Proposition for Power Line Carrier-based Transmission Line Vegetation Contact Detection," International Journal of Innovative Research and Engineering Studies, Vol.2, no.1 pp. 33- 39, 2022. Link to the paper.
Charles Kim, "Least-Squares Estimation of Circuit Element Values from Measured Voltage and Current Waveforms," 23rd International Conference on Artificial Intelligence, July 26-29, 2021. Las Vegas NV USA.
Sola Famakin and Charles Kim, "Modeling for Underground Cable Water Tree Growth Dynamics," Journal of Power and Energy Engineering, Vol. 7, No.12, pp. 51-65, December 2019.
Charles Kim, et. al., "Experimental Investigation for Determining Health Status of GaN Transistors," International Journal of Recent Trends in Engineering & Research, Vol. 5, No. 1, January 2019. Link to the article.
Ayotunde Odejayi and Charles Kim, "Live Determination of Health Status of GaN Transistors," Poster. 2018 IEEE International Integrated Reliability Workshop, October 7 - 10, 2018. Fallen Leaf Lake, CA.
Derrick Anang and Charles Kim, "Location Determination of Transient Cable Fault by Graphical Analysis of Time-Domain Waveform with Impact of Load Distribution," 2018 Power Systems Conference, Clemson University, September 4- 7, 2018.
Frank Zoko Ble, Matti Lehtonen, and Charles Kim, Arcing Faults Localization using RF-Signal Angle of Arrival Method, (2014) International Review of Electrical Engineering (IREE), 9(6), pp. 1136-1147. December 2014.
Frank Zoko Ble, Matti Lehtonen, and Charles Kim, Novel Approach of Arcing Faults Electromagnetic Radiated Energy Source Location Using Antennas in Power Systems, (2014) International Review of Electrical Engineering (IREE), 9(5), pp. 1049-1059. October 2014.
Frank Zoko Ble, Matti Lehtonen, Ari Sihvola, and Charles Kim, "Cross Correlation Method for Power Arcing Source Monitoring System," International Review of Electrical Engineering, 9(2), 440-452, April 2014.
Frank Zoko Ble, Matti Lehtonen, Ari Sihvola, and Charles Kim, "Power Arcing Source Location using First Peak of Arrival RF-Signal," International Review of Electrical Engineering, 9(4), 873-881, August 2014.
Charles Kim, Tom Bialek, and Jude Awiylika (2013), "An Initial Investigation for Locating Self-Clearing Faults in Distribution Systems," IEEE Transactions on Smart Grid, 4(2), pp. 1105-1112, June 2013. Proof. https://ieeexplore.ieee.org/document/6517568
Charles Kim, "Detection and Location of Intermittent Faults by Monitoring Carrier Signal Channel Behavior of Electrical Interconnection System, Proceedings of 2009 IEEE Electric Ship Technologies Symposium p. 449-455. April 20 - 22, 2009. Baltimore, MD.
C. J. Kim and B. D. Russell, "Application of Fuzzy Expert Model for Power Systems Protection," Proc. of 5th International Fuzzy Systems Association World Congress, 1993.
C. J. Kim and B. D. Russell, "Harmonic Behavior during Arcing Faults on Power Distribution Feeders," Electric Power Systems Research, vol. 14, 1988. p. 219 - . https://www.sciencedirect.com/science/article/abs/pii/0378779688900545
B. Renewable Energy Systems
Afoma Ihekwaba and Charles Kim, "Analysis of Electric Vehicle Charging Impact to Grid Voltage Regulation," 2017 North American Power Symposium, Sept 17 -19, 2017. Morgantown, WV
J. G. Seo, K. H. Kim, S. H. Park, and Charles Kim, "Analysis of Lightning Strike on Offshore Wind Farm", International Conference on Electrical Engineering, University of Hong Kong, Hong Kong, July 5 - 9, 2015.
S. Y. Lim, J. G. Seo, K. H. Kim, and Charles Kim, "Optimal Network Configuration to Operate Economical Electric Stations," Wind Energy Grid-Adaptive Technologies 2014, 20 - 22 October 2014, Jeju, Korea.
Charles Kim. "Lecture on Hybrid Renewable Micro-Power System Design using HOMER" at Korea University of Technology and Education, Some material of the lecture are available here (Jan 2013 Lecture) and here (December 2013 Lecture).
C.Air Traffic Flow Assessment and Modeling
D. Intelligent Systems and Systems Safety & Securit
Christian Diaz-Caez and
Charles Kim, “Trend Analysis of
Regime Change and Social Unrest with Laplace Test Statistic,” The 20th
International Conference on Autonomic and Autonomous Systems (ICAS 2024),
March 10-14, 2024. Athens, Greece.
Khaled Alnifie and Charles Kim (2023), "Appraising the Manifestation of Optimism Bias and Its Impact on Human Perception of Cyber Security: A Meta Analysis," Journal of Information Security, vol. 14, no.2, April 2023. DOI: 10.4236/jis.2023.142007
Alruhaymi, A.Z. and Kim, C.J. (2021) "Why Can Multiple Imputations and How MICE Algorithm Work?". Open Journal of Statistics, 2021, 11, No. 5, DOI: 10.4236/ojs.2021.115045
Alruhaymi, A.Z. and Kim, C.J. (2021) "Case Study on Data Analytics and Machine Learning Accuracy". Journal of Data Analysis and Information Processing, 2021, 9, No .4. DOI: 10.4236/jdaip.2021.94015
Alruhaymi, A.Z. and Kim, C.J. (2021) "Study on the Missing Data Mechanisms and Imputation Methods". Open Journal of Statistics, 2021, 11, No.4, 477-492. https://doi.org/10.4236/ojs.2021.114030
Charles Kim, "Least-Squares Estimation of Circuit Element Values from Measured Voltage and Current Waveforms," 23rd International Conference on Artificial Intelligence, July 26-29, 2021. Las Vegas NV USA.
Christian Diaz-Caez and Charles Kim, "A Web-based Data Analysis Platform for Collaborative Decision Assistance," 23rd International Conference of Artificial Intelligence, July 26-29, 2021. Las Vegas NV USA.
S. K. Moon, Jin-O Kim, and Charles Kim, "Multi-Labeled Recognition of Distribution System Conditions by a Waveform Feature Learning Model," Energies, vol. 12, no. 6, March 2019. Link to the article.
Charles Kim, "Machine Reasoning for Determination of Threat Level in Irregular Warfare", Army Science & Technology Symposium and Showcase, August 21 - 23, 2018. Washington, DC. Link to Panel Presentation.
Charles Kim and Harald Schone, "Machine Reasoning for Determining Radiation Sensitivity of Semiconductor Devices", Proc. of 20th International Conference on Artificial Intelligence, pp. 16 - 21, 2018 (Conference on July 30 - August 2, 2018. Las Vegas, NV.)
Charles Kim, "A Cyber Resilient Industrial Control System through Diversified Redundancy and Intrusion Detection," Keynote Speaker Presentation, World Congress on Industrial Control System Security (WCISCSS 2017), December 11 - 14, 2017. Cambridge, UK.
Dayne Robinson and Charles Kim, "A Cyber-Defensive Industrial Control System with Redundancy and Intrusion Detection," (paper) 2017 North American Power Symposium, Sept 17-19, 2017, Morgantown WV.
Charles Kim and Dayne Robinson, "Modbus Monitoring for Networked Control Systems of Cyber-Defensive Architecture," 2017 IEEE SysCon, April 24-27, 2017.
Charles Kim, "Cyber-Defensive Architecture for Networked Industrial Control Systems," International Journal of Engineering and Computer Science, Vol. 2, No. 1, pp. 1 - 9, Jan. 2017. doi:10.24032/IJEACS/0201/01.https://doi.org/10.24032/ijeacs/0201/01
Charles Kim, "A Cyber-Resilient Industrial Control System with Diversified Architecture and Control Bus Monitoring," World Congress on Industrial Control System Security (WCISCSS 2016), December 12 - 14, 2016. London, UK.
Charles Kim and Ravindranath Jaglal, "A cyber-robust connected-control system: Experimental validation," Proc. of the 29th International Conference on Computer Application in Industry and Engineering, pp. 133 - 138, Denver, CO. September 26-28, 2016.
Charles Kim, Karen Green, and Andre Duarte Palhares, "Cyber-security test-bed experimentation of a resilient control system for power substations," Proc. of the 29th International Conference on Computer Application in Industry and Engineering, pp. 139 - 144, Denver, CO. September 26-28, 2016.
Charles Kim, "Safety Challenges for Connected Cars", IEEE Transportation Electrification Community Newsletter June 2016.
Charles Kim, "High-Tech Cars: Safety-Critical Computer Systems," Invited Talk in an IEEE Focused workshop for Exploring Cyber-security Challenges in Electrified Transportation. Feb 24 & 25, 2016. Washington DC.
"Global Decision-Making System and Social Behavior Identification/Prediction," DARPA Next Generation Social Science (NGS2) Scientific Exchange and Profile, March 2016
Derssie Mebratu and Charles Kim, "Combination of clustering algorithms to maximize the lifespan of distributed wireless sensors," J. Sens. Sens. Syst., 5, 63-72, 2016 (jssss-5-63-2016). Link to the article in the Journal of Sensors and Sensor Systems.
Charles Kim, Deborah Jackson, and Peter Keiller (2013) "Development and Team-Teaching of 'Computers and Nuclear Energy' for Non-Nuclear Engineering Students," 2013 Conference on Nuclear Training and Education, Jacksonville, FL. Feb 3-6, 2013.
Madeline Martinez-Pabon and Charles Kim (2012) “Quantification of Complexity and Coupling Indices to Validate Normal Accident Theory in Telecommunication Network Accidents.” 30th International System Safety Conference. August 2012. Atlanta, GA.
Keiller, Peter A; Kim, Charles J. ; Trimble, John; Mejias, Marlon, "Revisiting the Performance of Mixtures of Software Reliability Growth Models," The 7th International Symposium on Management, Engineering and Informatics: MEI 2011 in the Context of The 15th Multi-conference on Systemics, Cybernetics and Informatics: WMSCI 2011 July 19th - July 22nd, 2011 – Orlando, Florida, USA
Amoo, M. E., & Bringardner, J., & Chen, J., & Coyle, E. J., & Finnegan, J., & Kim, C. J., & Koman, P. D., & Lagoudas, M. Z., & Llewellyn, D. C., & Logan, L., & Sonnenberg-Klein, J., & Trent, N. M., & Strachan, S. M., & Ward, B. C. (2020, June), Breaking Down the Silos: Innovations for Multidisciplinary Programs Paper presented at 2020 ASEE Virtual Annual Conference Content Access, Virtual On line . https://peer.asee.org/34224 https://peer.asee.org/breaking-down-the-silos-innovations-for-multidisciplinary-programs. paper itself pdf.
Charles Kim, Building Faculty-Student Research Teams via a Vertically Integrated Project (VIP) Framework , Scholarship and Practice for Undergraduate Research (SPUR) Quarterly, Summer 2018. vol .1, no.4, p. 48-49.
"Vertically Integrated Projects (VIP) Programs: Multidisciplinary Projects with Homes in Any Discipline," Paper presented at 2017 ASEE Annual Conference & Exposition, Columbus, Ohio. https://peer.asee.org/29103
Charles Kim, Deborah Jackson, and Peter Keiller, "Interdisciplinary Team-Teaching Experience For A Computer And Nuclear Energy Course For Electrical And Computer Engineering Students," American Journal of Engineering Education, Vol. 7, No .1 June 2016. Link to the AJEE for the paper and the Vol 7 No 1 Issue (2016).
Connor, K. A., & Astatke, Y., & Kim, C. J., & Eldek, A. A., & Majlesein, H. R., & Andrei, P., & Attia, J. O., & Gullie, K. A., & Graves, C. A., & Osareh, A. R. (2015, June), Simultaneous Implementation of Experimental Centric Pedagogy in 13 ECE Programs Paper presented at 2015 ASEE Annual Conference and Exposition, Seattle, Washington. 10.18260/p.24712
Peter Keiller, Charles Kim, and Robert Rwebangira, "Interdisciplinary Team Teaching Experience of a Computer and Nuclear Energy Course Designed for Non-Nuclear Engineering Students," The 2014 International Conference on Frontiers in Education: Computer Science and Computer Engineering, July 21-24, 2014. Las Vegas, NV, USA.
Charles Kim. Mohamed Chouikha, and Kojo Linder, "Bridging Lecture and Lab by Mobile Studio - Experience in Electrical Engineering Courses, " 2009 International Conference on Engineering Education (ICEE_iCEER), August 23-28, 2009. Seoul, Korea.
Charles Kim, Mohamed Chouikha, and Veronica Thomas, "Mobile Studio Experience of Experiential Learning in Electrical Engineering Class," ASEE 2008 Annual Conference and Exposition, June 22-25, 2008. Pittsburgh, PA.
