|Appointment Start Date:
|Appointment End Date:
|Area of Specialty:
||Discrete-event control synthesis, Automated fault monitoring of manufacturing systems, Active sensing policies for uncertain systems
||Current positions held at University of Kentucky:
Director of University of Kentucky Center for Manufacturing
Professor of Electrical and Computer Engineering.
Kentucky Utilities Endowed Professorship of Electrical and Computer Engineering
Publications: Over 100 publications, including 22 journals, 8 book contributions, 58 refereed conference publications, and 17 invited conference publications.
Funding: Funding exceeding $4,652,39, total, including $1,639,066 as Principal Investigator.
Research Areas: (1.) Automated synthesis of control logic and control software from analysis of discrete event system models. (2.) Embedded control systems, especially as applied to sensing and control in the process industries. (3.) Fault monitoring and diagnosis of discrete event systems, especially as applied to manufacturing systems. (4.) Development of active sensing policies for systems with observation costs.
Teaching: Average teaching evaluation since Fall 1991 : 3.4/4.0. Average course rating since Fall 1991: 3.3 /4.0. Highest teaching evaluations received: 4.0/4.0. Courses taught include , manufacturing systems, embedded systems design, signals, controls, computer architecture.
Student Advising: Primary advisor or co-advisor of 39 graduate students completed, including 5 PhD dissertations completed and 24 MS theses completed. Current advisor of 2 graduate students in process, including 1 post-qualifier PhD. Nominated for 2000 UK “Outstanding Advisor Award.”
University Service: Director/Chief Operating Officer, University of Kentucky Center for Manufacturing, Aug. 2002 to present. Deputy Director, Center for Robotics and Manufacturing Systems Engineering, 1999 to 2002. Director of Graduate Studies, Manufacturing Systems Engineering, 1998 to 2003. Core Group Member and Instructor, UK Lean Manufacturing Program, 1993 to 2001.
Professional Service: Associate Editor, IEEE Transactions on Automatic Control, Oct. 2002 - 2005. IEEE Control Systems Society Conference Editorial Board, 1998-2001. Member of Program Committee or Organizing Committee for thirteen conferences, including as Registration Chair of the 2001 American Control Conference (the largest conference of the American Automatic Control Council).
||Senior Member, IEEE, Affiliate, International Federation of Automatic Control (IFAC), Member Tau Beta Pi Engineering Honor Society, Member, American Society for Engineering Education (ASEE), Associate Editor, IEEE Transactions on Automatic Control, October 2002 – December 2005.
|Primary Research Focus:
||Automated synthesis of control policies, fault-monitoring polices, and fault diagnosis policies for systems modeled as discrete event systems. The application is in factory automation.
||Develpment of new methods of automatic monitoring of systems to detect faults and diagonose the cause of the faults in automated systems.
||Matthew O’Connor, Sekhar Tangirala, Ratnesh Kumar, Siddhartha Bhattacharyya, Mario Sznaier, Lawrence E. Holloway, A Bottom-up Approach to Verification of Hybrid Model-Based Hierarchical Controllers with Application to Underwater Vehicles to appear at the 2006 American Control Conference, Minneapolis, MN, June 2006.
Siddhartha Bhattacharyya, Ratnesh Kumar, Sekhar Tangirala, Matthew O’Connor, Lawrence E. Holloway, Animation /Simulations of Missions for Autonomous Underwater Vehicles with Hybrid-Model based Hierarchical Mission Control Architecture. To appear at the 2006 American Control Conference, Minneapolis, June 2006.
J. Ashley, L. Holloway, N. Dangoumau, Fault Recovery Task Blocks and Control Synthesis for a Class of Condition Systems, Submitted to 2004 IFAC World Congress, Prague, July 2005.
J. Ashley and L.E. Holloway, A Fault Detection Scheme Using Condition Systems, Proceedings of the 2005 IEEE Conference on Decision and ControlI Seville, Spain, December 2005.
J. Ashley, Nathalie Dangoumau and L.E. Holloway, An application of Condition-System Based Control Synthesis Techniques for a Railway Example, Proceeding on the 17th IMACS World Congress, Paris, France, July 2005