Journal Articles (Last 5 years) on Time Delay Systems and SWARMing
“A Unique Methodology for the Stability Robustness of Multiple time Delay Systems”, (R. Sipahi, N. Olgac), Systems and Control Letters, 55 (10), pp. 819-825, 2006. DOI: doi:10.1016/j.sysconle.2006.03.010
“Stability Robustness of Retarded LTI Systems with Single Delay and Exhaustive Determinations of Their Imaginary Spectra”, (R. Sipahi, N. Olgac), SIAM J. Control and Optimization, 45 (5), pp. 1680-1696, 2006. DOI: 10.1137/050633238
“Complete Stability Analysis of Neutral Type First Order - Two Time Delay Systems with Cross-Talking Delays", (R. Sipahi, N. Olgac), SIAM J. of Control and Optimization, 45 (3), pp. 957-971, 2006. DOI:10.1137/050633810
“An improved Procedure in Detecting the Stability Robustness of Systems With Uncertain Delay”, (N. Olgac, R. Sipahi), IEEE Transactions on Automatic Control, 51 (7), pp. 1164-1166, 2006. DOI:10.1109/TAC.2006.878774
“Extended Kronecker Summation for Determining the Kernel and Offspring of LTI Systems with Multiple Delays”, (A. Ergenc, N. Olgac, H. Fazelinia), SIAM Journal of Control and Optimization, 46 (1), pp. 143-155, 2007. DOI: 10.1137/06065180X
“Dynamics and Stability of Multi-flute Variable-Pitch Milling”, (N. Olgac, R. Sipahi), Journal of Vibration and Control, 13 (7), pp. 1031-1043, 2007. DOI: 10.1177/1077546307078754
“’Delay Scheduling’ an Unconventional Use of Time Delay for Trajectory Tracking”, (N. Olgac, R. Sipahi, A. Ergenc), Mechatronics, 17 (4-5), pp. 199-206, 2007. DOI: 10.1016/j.mechatronics.2007.02.001
“Stability Analysis of Multiple Time Delayed Systems Using ‘Building Block’ Concept”, (H. Fazelinia, R. Sipahi, N. Olgac), IEEE Transactions on Automatic Control, 52 (5), pp. 799-810, 2007. DOI: 10.1109/TAC.2007.898076
“Kernel and Offspring Concepts for the Stability Robustness of Multiple Time Delay Systems (MTDS)”, (R. Sipahi, N. Olgac), ASME Journal of Dynamic Systems, Measurement and Control, 129 (3), pp. 245-251, 2007. DOI: 10.1115/1.2718235
“A New Perspective in the Stability Assessment of Neutral Systems with Multiple and Cross-Talking Delays”, (N. Olgac, T. Vyhlidal, R. Sipahi), SIAM Journal of Control and Optimization, 47 (1), pp. 327-344, 2008. DOI: 10.1137/070679302
“Generalization of Cluster Treatment of Characteristic Roots for Robust Stability of Multiple Time Delayed Systems”, (R. Sipahi, H. Fazelinia, N. Olgac), International Journal of Robust and Nonlinear Control, 18 (14), pp. 1430-1449, 2008. DOI: 10.1002/rnc.1290
“Sign Inverting Control Logic for Time Delayed Systems, with Experiments”, (A. Ergenc, H. Fazelinia, N. Olgac), International Journal of Mechatronics and Manufacturing Systems, 1 (1), pp. 68-82, 2008. DOI: 10.1504/IJMMS.2008.018279
“Trajectory Tracking of Cart-Pendulum Dynamics Using Multiple Time-Delayed Feedback”, (M. E. Cavdaroglu, N. Olgac), IET Control Theory & Applications, 2 (6), pp.458–466, 2008. DOI: 10.1049/iet-cta:20070242
“An Actively Controlled Harmonic Force Generator”, (O. Mikus, N. Olgac, R. Sipahi), Control Engineering Practice,17(1), pp: 210-220, 2009. DOI: 10.1016/j.conengprac.2008.07.002
“New Perspective in Process Optimization of Variable Pitch Milling”, (H. Fazelinia, N. Olgac), International Journal of Materials and Product Technology, 35 (1/2), pp. 47 - 63, 2009. DOI: 10.1504/IJMPT.2009.025213
“Stability Analysis of LTI Systems with Three Independent Delays – A Computationally Efficient Procedure”, (R. Sipahi, H. Fazelinia, N. Olgac), ASME Journal of Dynamic Systems, Measurement and Control, 131 (5), paper no. 051013 (9 pp.), 2009. DOI: 10.1115/1.3117220
“A Stability Study on First Order Neutral Systems with Three Rationally Independent Time Delays”, (R. Sipahi, N. Olgac, D. Breda), International Journal of Systems Science, 41 (12), pp. 1445–1455, 2010. DOI: 10.1080/00207720903353625
“A Lyapunov Treatment of Swarm Coordination under Conflict”, (P. McCullough, M. Bacon, N. Olgac, D. A. Sierra, R. Cepeda-Gomez), Journal of Vibration and Control, 17 (5), pp. 641-650, 2011. DOI: 10.1177/1077546309360047
“Full State Feedback Control Design with Delay Scheduling for Cart-and-Pendulum Dynamics”, (N. Olgac, E. M. Cavdaroglu), Mechatronics, 21 (1), pp. 38-47, 2011. DOI: 10.1016/j.mechatronics.2010.08.007
“Swarm Coordination under Conflict and Use of Enhanced Lyapunov Control”, (D. A. Sierra, P. McCullough, N. Olgac, E. Adams), ASME Journal of Dynamic Systems, Measurements and Control, 133 (2), paper no. 021004 (8pp), 2011. DOI: 10.1115/1.4003213
“Application of Sliding Mode Control to Swarms under Conflict”, (R. Cepeda-Gomez; N. Olgac; D. A. Sierra), IET Control Theory & Applications, 5 (10), pp.1167–1175, 2011. DOI: 10.1049/iet-cta.2010.0201
“An Exact Method for the Stability Analysis of Linear Consensus Protocols with Time Delay”, (R. Cepeda-Gomez and N. Olgac), IEEE Transactions on Automatic Control, 56 (7), pp: 1734–1740, 2011. DOI: 10.1109/TAC.2011.2152510
“Exhaustive Stability Analysis in a Consensus System with Time Delay and Irregular Topologies”, (R. Cepeda Gomez, N. Olgac), International Journal of Control, 84 (4), pp. 746-757, 2011. DOI: 10.1080/00207179.2011.576272
“Consensus Analysis with Large and Multiple Communication Time Delays using Spectral Delay Space (SDS) Concept”, (R. Cepeda Gomez, N. Olgac), International Journal of Control, 84 (12), pp. 1996-2007, 2011. DOI: 10.1080/00207179.2011.631151
“Control of Antagonistic Swarm Dynamics via Lyapunov’s Method”, (D. A. Sierra, P. McCullough, E. Adams, N. Olgac), Asian Journal of Control, 14 (4), pp. 1-13, 2012. DOI: 10.1002/asjc.291
Journal Articles (Last 5 years) on Ross-Drill technology
“A New Optical Sensor for Monitoring the Micro-pipette Motion”, (Ali F. Ergenc, N. Olgac), IEEE Journal of Information Technology in Biomedicine, 10 (4), 775-781, 2006. DOI: 10.1109/TITB.2006.879598
“New technology for Cellular Piercing: Rotationally Oscillating Micro-injector, Description and Validation Tests”, (A. Ergenc, N. Olgac), Journal Biomedical Microdevices, 9 (6), pp. 885-891, 2007. DOI: 10.1007/s10544-007-9102-2
“Rotational Oscillating Drill (Ros-Drill©) for Mouse ICSI Without Using Mercury”, (A. Ergenc, M-W Li, M. Toner, J.D. Biggers, K. Lloyd, N. Olgac), Molecular Reproduction and Development, 75 (12), pp. 1744-1751, 2008. DOI: 10.1002/mrd.20919
“Visual Feedback Automation for ICSI With Rotationally Oscillating Drill (Ros-Drill©)”, (J. Diaz, N. Olgac, M. Karzar-Jedi, T-H. Fan) ASME Journal of Medical Devices, 4 (2), paper no. 024502 (4 pp), 2010. DOI: 10.1115/1.4001865
“Geometric Characterization of Cell Membrane of Mouse Oocytes for ICSI", (J. Diaz, M. Karzar-Jeddi, N. Olgac, T. Fan, A. F. Ergenc), ASME Journal of Biomechanical Engineering, 132 (12), paper no. 121002 (6 pp), 2010. DOI: 10.1115/1.4002701
Recent Conference Papers (Last 5 years)
“Exact Stability Analysis of Neutral Systems with Cross-Talking Delays”, (N. Olgac, T. Vyhlidal, R. Sipahi), 6th IFAC Workshop on Time Delay Systems, July 2006, L’Aquila, Italy. CD-ROM, 6pp.
"Extended Kronecker Summation for Determining the Kernel and Offspring of LTI Systems with Multiple Delays”, (A. Ergenc, N. Olgac), 6th IFAC Workshop on Time Delay Systems, July 2006, L’Aquila, Italy. CD-ROM, 6pp.
“Stability Analysis of Multiple Time Delay Systems Using ‘Building Block’ Concept”, (H. Fazelinia, R. Sipahi, N. Olgac), American Control Conference 2006, Minneapolis, MN, June 2006.
“Stability Map of Systems with Three Independent Delays”, (R. Sipahi, N. Olgac), American Control Conference 2006, Minneapolis, MN, June 2006.
“A Unique Mathematical Tool Deployed on Variable-Pitch Milling”, (H. Fazelinia, N. Olgac), NSF-DMI Design, Service, and Manufacturing Grantees and Research Conference, St. Louis, 2006.
“Dynamics and Stability of Variable-Pitch Milling”, (N. Olgac, R. Sipahi), ASME International Mechanical Engineering Congress and Exhibition 2006, Chicago.
“Optimum Conditions for Variable-Pitch Milling”, (H. Fazelinia, N. Olgac), ASME International Mechanical Engineering Congress and Exhibition 2006, Chicago.
“Optical Fiber Sensor for Non-contact Monitoring of ICSI Pipettes”, (A. F. Ergenc, N. Olgac), ASME International Mechanical Engineering Congress and Exhibition 2006, Chicago.
“Kronecker Summation Method and Multiple Delay Systems”, (A.F. Ergenc, N. Olgac, H. Fazelinia), IEEE Conference on Decision and Control 2006, San Diego.
“Delay Decoupling Control, A Novel Method for Systems with Multiple Delays”, (M. Poursina, N. Olgac), 7th IFAC Workshop on Time Delay Systems, Nantes, France, 2007.
“Complete Stability Map of Neutral Type, First Order, Two Time Delay Systems”, (Sipahi, R., Olgac, N., Breda, D.), American Control Conference 2007, New York, June 2007.
“A New Micro-injector and an Optical Sensor”, (A. Ergenc, N. Olgac), American Control Conference 2007, New York, June 2007.
“Mathematical Tools for Time-Delayed Dynamics Applied to Variable-Pitch Milling Chatter – Active Vibration Absorption”, (A. Ergenc, N. Olgac), NSF-IREE grantees meeting, W. Lafayette, IN, 2007.
“Inverting Control, A New Strategy on Time Delayed Systems”, (A. Ergenc, H. Fazelinia, N. Olgac), IFAC World Congress Seoul, July 2008.
“Robust Control of Cart-Pendulum Dynamics against Uncertain Multiple Time Delays”, (E. Cavdaroglu, N. Olgac), American Control Conference 2008, Seattle, June 2008.
“Robust Control for Multiple Delay Systems with Delay-Decouplability”, (K. Turkoglu, N. Olgac), ASME Dynamic Systems and Controls Conference, Ann Arbor, MI, 2008.
“Full State Feedback Control Design for ‘Delay Scheduling’”, (E. Cavdaroglu, N. Olgac) – ASME Dynamic Systems and Controls Conference, Ann Arbor, MI, 2008.
“Time Delayed Systems – A Research Loop from a Practical Problem to Novel Mathematics and Back to Practice”, TOK 08, Istanbul, Turkey, 2008.
“Swarm Coordination under Conflict”, (D. A. Sierra, P. McCullough, E. Adams, N. Olgac), American Control Conference 2009, St. Louis, pp. 1021-1026, 2009.
“Swarm Coordination under Conflict and Use of Enhanced Lyapunov Control”, (D.A.Sierra, P. McCullough, N. Olgac, E. Adams), ASME International Design Engineering Technical Conference 2009, San Diego, 2009.
“A Lyapunov Treatment of Swarm Coordination Under Conflict”, (P. McCullough, M. Bacon, N. Olgac, D. A. Sierra), ASME Dynamic Systems and Control Conference 2009, Hollywood, CA, 2009.
“On the Geometric Characteristics of Cell Membrane Using Rotationally Oscillating Drill (Ros-Drill©”, (J. Diaz, M-K. Jedi, N. Olgac, T-H Fan, A.F Ergenc), ASME Dynamic Systems and Control Conference 2009, Hollywood, CA, 2009.
“Full-State Feedback Control Design with Delay Scheduling for Cart-Pendulum Dynamics”, E. Cavdaroglu, N. Olgac), 8th IFAC Workshop on Time Delay Systems, Sinaia, Romania, 2009.
“Stability Analysis for a Consensus System of a Group of Second Order Dynamics with Time Delays”, (R. Cepeda-Gomez, N. Olgac), 9th IFAC Workshop on Time Delay Systems, TDS 2010, Prague, Czech Rep., 2010.
“Stability of the Consensus of a Group of Second Order Agents with Time Delayed Communications”, (R. Cepeda-Gomez, N. Olgac), ASME Dynamic Systems and Control Conference 2010, Boston.
“Automated ICSI with Rotationally Oscillating Drill (Ros-Drill©) Using Visual Feedback”, (J. Diaz, M-K. Jeddi, N. Olgac, T-H Fan), ASME Dynamic Systems and Control Conference 2010, Boston.
“Robust Region-tracking Method for Multi-agent Systems Using Sliding Mode Control, (M. Bacon, N. Olgac), ASME Dynamic Systems and Control Conference 2010, Boston.
“Application of sliding mode control to swarms under conflict”, (R.C. Gomez, N. Olgac, D.S. Bueno), ASME – DSCC 2010, Boston.
“Consensus of a Group of Second Order Agents with Switching Irregular Communication Topologies and Time-Delay”, (R. Cepeda-Gomez, N. Olgac), IEEE Conference on Decision and Control 2010, Atlanta, GA.
“Exhaustive Stability Analysis in a Consensus System with Time Delay and Irregular Topologies”, (R. Cepeda-Gomez, N. Olgac), American Control Conference 2011, San Francisco, CA.
“Exact Stability Analysis of Second Order Linear Consensus Protocols with Time Delay”, (R. Cepeda-Gomez, N. Olgac), IEEE Conference on Decision and Control 2011, Orlando, FL.
“Adaptive Hybrid Control for Rotationally Oscillating Drill (Ros-drill©), Using A low-resolution Sensor”,(Z. Zhang, J. Diaz, N. Olgac), ASME Dynamic Systems and Control Conference 2011, Arlington, VA.
“Stability of a consensus protocol for second order agents with multiple time delays”, (R, Cepeda-Gomez, N. Olgac), ASME Dynamic Systems and Control Conference 2011, Arlington, VA.