Nejat Olgaç

71 papers A* 1C 22Journal 36Unranked 12
YearRankTypeTitle / Venue / Authors
2025 J jnl
Non-collocated vibration absorption using delayed resonator for spectral and spacial tuning - analysis and experimental validation.
CoRR
Matej Kure, Adam Peichl, Jaroslav Busek, Nejat Olgaç, Tomás Vyhlídal
2021 J jnl
Actively Tuned Noncollocated Vibration Absorption: An Unexplored Venue in Vibration Science and a Benchmark Problem.
IEEE Trans. Control. Syst. Technol.
Nejat Olgaç, Ryan Jenkins
2020 — conf
CTCR approach to the complete stability of TDS with multiple identical imaginary roots.
ECC
Nejat Olgaç, Ryan Jenkins, Umut Zalluhoglu
2020 C conf
Time-Delayed Tuning of Vibration Absorbers for Non-collocated Suppression.
ACC
Nejat Olgaç, Ryan Jenkins
2019 — conf
A Structured Treatment of Wave-Based Control (WBC) and Discussions on Earlier Misconceptions.
ICSC
Michael Valásek, Ondrej Marek, Nejat Olgaç, Zdenek Neusser
2018 C conf
New perspectives on criticality of multiple identical imaginary roots (MIR) in time-delayed systems.
ACC
Ryan Jenkins, Nejat Olgaç
2017 — conf
An effective algorithm to achieve accurate sinusoidal amplitude control with a low-resolution encoder.
AIM
Zhenyu Zhang, Nejat Olgaç, Qingbin Gao
2017 J jnl
Stability analysis for LTI systems with multiple time delays using the bounds of its imaginary spectra.
Syst. Control. Lett.
Qingbin Gao, Nejat Olgaç
2016 J jnl
Bounds of imaginary spectra of LTI systems in the domain of two of the multiple time delays.
Autom.
Qingbin Gao, Nejat Olgaç
2016 J jnl
Delayed Feedback Control Laws for Rijke Tube Thermoacoustic Instability, Synthesis, and Experimental Validation.
IEEE Trans. Control. Syst. Technol.
Umut Zalluhoglu, Ayhan Sebastian Kammer, Nejat Olgaç
2016 C conf
Enhancing energy harvesting capacity using delayed feedback control.
ACC
Ayhan Sebastian Kammer, Nejat Olgaç
2016 C conf
Optimal sign inverting control for multiple time-delayed systems.
ACC
Qingbin Gao, Nejat Olgaç
2016 C conf
Placement of Helmholtz resonators in series for passive control of thermoacoustic instabilities from a time-delay perspective.
ACC
Umut Zalluhoglu, Nejat Olgaç
2016 J jnl
Stability of formation control using a consensus protocol under directed communications with two time delays and delay scheduling.
Int. J. Syst. Sci.
Rudy Cepeda-Gomez, Nejat Olgaç
2016 — conf
Thermoacoustic Instabilities arising from secondary modes, an analytical and experimental declaration.
CDC
Umut Zalluhoglu, Nejat Olgaç
2015 J jnl
Combination of sign inverting and delay scheduling control concepts for multiple-delay dynamics.
Syst. Control. Lett.
Qingbin Gao, Ayhan Sebastian Kammer, Umut Zalluhoglu, Nejat Olgaç
2015 J jnl
Critical Effects of the Polarity Change in Delayed States Within an LTI Dynamics With Multiple Delays.
IEEE Trans. Autom. Control.
Qingbin Gao, Ayhan Sebastian Kammer, Umut Zalluhoglu, Nejat Olgaç
2015 — conf
Eigenvalue assignment for systems with multiple time-delays.
SIAM Conf. on Control and its Applications
Robert Schmid, Qingbin Gao, Nejat Olgaç
2015 C conf
Feedback stabilization of a thermoacoustic device with experiments.
ACC
Umut Zalluhoglu, Ayhan Sebastian Kammer, Nejat Olgaç
2015 C conf
Non-conservative stability assessment of LTI dynamics with distributed delay using CTCR paradigm.
ACC
Ayhan Sebastian Kammer, Nejat Olgaç
2015 J jnl
Optimal sign inverting control for time-delayed systems, a concept study with experiments.
Int. J. Control
Qingbin Gao, Nejat Olgaç
2014 J jnl
A Consensus Protocol under Directed Communications with Two Time Delays and Delay Scheduling.
CoRR
Rudy Cepeda-Gomez, Nejat Olgaç
2014 J jnl
A consensus protocol under directed communications with two time delays and delay scheduling.
Int. J. Control
Rudy Cepeda-Gomez, Nejat Olgaç
2014 C conf
Sign inverting and Delay Scheduling Control concepts with multiple rationally independent delays.
ACC
Qingbin Gao, Ayhan Sebastian Kammer, Umut Zalluhoglu, Nejat Olgaç
2014 — conf
Some critical properties of sign inverting control for LTI systems with multiple delays.
CDC
Qingbin Gao, Ayhan Sebastian Kammer, Umut Zalluhoglu, Nejat Olgaç
2013 J jnl
Exact stability analysis of second-order leaderless and leader-follower consensus protocols with rationally-independent multiple time delays.
Syst. Control. Lett.
Rudy Cepeda-Gomez, Nejat Olgaç
2012 — conf
Exact Stability Analysis of a Second-Order Leaderless Consensus Protocol with Multiple Communication and Input Delays.
TDS
Rudy Cepeda-Gomez, Nejat Olgaç
2012 — conf
Exact stability analysis of second-order leader-follower consensus protocols with multiple time delays.
CDC
Rudy Cepeda-Gomez, Nejat Olgaç
2012 C conf
Formation control based on a consensus protocol under directed communications with two time delays.
ACC
Rudy Cepeda-Gomez, Nejat Olgaç
2012 J jnl
Stability Analysis for the Group Dynamics Consensus with Time Delayed Communications.
Eur. J. Control
Nejat Olgaç, Rudy Cepeda-Gomez
2012 — conf
The Homicidal Chauffeur Problem with Multiple Time Delayed Feedback.
TDS
Qingbin Gao, Rudy Cepeda-Gomez, Nejat Olgaç
2011 J jnl
An Exact Method for the Stability Analysis of Linear Consensus Protocols With Time Delay.
IEEE Trans. Autom. Control.
Rudy Cepeda-Gomez, Nejat Olgaç
2011 J jnl
Consensus analysis with large and multiple communication delays using spectral delay space concept.
Int. J. Control
Rudy Cepeda-Gomez, Nejat Olgaç
2011 C conf
Exhaustive stability analysis in a consensus system with time delay and irregular topologies.
ACC
Rudy Cepeda-Gomez, Nejat Olgaç
2011 J jnl
Exhaustive stability analysis in a consensus system with time delay and irregular topologies.
Int. J. Control
Rudy Cepeda-Gomez, Nejat Olgaç
2011 — conf
Second order linear consensus protocols with irregular topologies and time delay.
CDC/ECC
Rudy Cepeda-Gomez, Nejat Olgaç
2010 J jnl
A stability study on first-order neutral systems with three rationally independent time delays.
Int. J. Syst. Sci.
Rifat Sipahi, Nejat Olgaç, Dimitri Breda
2010 — conf
Consensus of a group of second order agents with switching irregular communication topologies and time-delay.
CDC
Rudy Cepeda-Gomez, Nejat Olgaç
2010 J jnl
Discussion on: ''Stability Analysis of Time Delayed System with Coefficient Uncertainty and Time Delay Uncertainty''.
Eur. J. Control
Nejat Olgaç
2009 C conf
Swarm coordination under conflict.
ACC
Daniel A. Sierra, Paul McCullough, Eldridge Adams, Nejat Olgaç
2008 J jnl
A New Perspective in the Stability Assessment of Neutral Systems with Multiple and Cross-Talking Delays.
SIAM J. Control. Optim.
Nejat Olgaç, Tomás Vyhlídal, Rifat Sipahi
2008 C conf
Robust control of cart-pendulum dynamics against uncertain multiple time delays.
ACC
Mursel Emre Cavdaroglu, Nejat Olgaç
2007 C conf
A New Micro Injector and an Optical Sensor.
ACC
Ali Fuat Ergenç, Nejat Olgaç
2007 C conf
Complete Stability Map of First Order - Two Time Delay Systems with Delay Cross-Talk.
ACC
Rifat Sipahi, Nejat Olgaç
2007 C conf
Complete Stability Map of Neutral Type First Order - Two Time Delay Systems.
ACC
Rifat Sipahi, Nejat Olgaç, Dimitri Breda
2007 J jnl
Extended Kronecker Summation for Cluster Treatment of LTI Systems with Multiple Delays.
SIAM J. Control. Optim.
Ali Fuat Ergenç, Nejat Olgaç, Hassan Fazelinia
2007 J jnl
Stability Robustness Analysis of Multiple Time- Delayed Systems Using "Building Block" Concept.
IEEE Trans. Autom. Control.
Hassan Fazelinia, Rifat Sipahi, Nejat Olgaç
2006 J jnl
A unique methodology for the stability robustness of multiple time delay systems.
Syst. Control. Lett.
Rifat Sipahi, Nejat Olgaç
2006 J jnl
An improved procedure in detecting the stability robustness of systems with uncertain delay.
IEEE Trans. Autom. Control.
Nejat Olgaç, Rifat Sipahi
2006 J jnl
Complete Stability Analysis of Neutral-Type First Order Two-Time-Delay Systems with Cross-Talking Delays.
SIAM J. Control. Optim.
Rifat Sipahi, Nejat Olgaç
2006 — conf
Kronecker Summation Method and Multiple Delay Systems.
CDC
Ali Fuat Ergenç, Nejat Olgaç, Hassan Fazelinia
2006 J jnl
New Optical Sensor for Monitoring the Micropipette Motion.
IEEE Trans. Inf. Technol. Biomed.
Ali Fuat Ergenç, Nejat Olgaç
2006 J jnl
Stability Robustness of Retarded LTI Systems with Single Delay and Exhaustive Determination of Their Imaginary Spectra.
SIAM J. Control. Optim.
Rifat Sipahi, Nejat Olgaç
2006 C conf
Stability analysis of multiple time delayed systems using 'building block' concept.
ACC
Hassan Fazelinia, Rifat Sipahi, Nejat Olgaç
2006 C conf
Stability map of systems with three independent delays.
ACC
Rifat Sipahi, Nejat Olgaç
2005 J jnl
Complete stability robustness of third-order LTI multiple time-delay systems.
Autom.
Rifat Sipahi, Nejat Olgaç
2004 C conf
A novel stability study on multiple time-delay systems (MTDS) using the root clustering paradigm.
ACC
Rifat Sipahi, Nejat Olgaç
2004 J jnl
A practical method for analyzing the stability of neutral type LTI-time delayed systems.
Autom.
Nejat Olgaç, Rifat Sipahi
2004 C conf
Feedback time delay as a stabilizing tool in trajectory tracking, analysis and experiments.
ACC
Nejat Olgaç, Rifat Sipahi, Ali Fuat Ergenç
2004 J jnl
Microdynamics of the piezo-driven pipettes in ICSI.
IEEE Trans. Biomed. Eng.
Kerem Ediz, Nejat Olgaç
2003 C conf
Direct method implementation for the stability analysis of multiple time delayed systems.
CCA
Rifat Sipahi, Nejat Olgaç
2003 C conf
The direct method for stability analysis of time delayed LTI systems.
ACC
Nejat Olgaç, Rifat Sipahi
2002 J jnl
An exact method for the stability analysis of time-delayed linear time-invariant (LTI) systems.
IEEE Trans. Autom. Control.
Nejat Olgaç, Rifat Sipahi
2000 C conf
A new method for multiple frequency vibration absorption.
ACC
Nejat Olgaç, Chang Huang
1999 J jnl
Pole placement for linear time-varying non-lexicographically fixed MIMO systems.
Autom.
Michael Valásek, Nejat Olgaç
1999 J jnl
Robust control of the delayed resonator vibration absorber.
IEEE Trans. Control. Syst. Technol.
Mark E. Renzulli, Rajiv Ghosh-Roy, Nejat Olgaç
1997 J jnl
Frequency-shaped sliding modes: analysis and experiments.
IEEE Trans. Control. Syst. Technol.
Jairo Terra Moura, Rajiv Ghosh-Roy, Nejat Olgaç
1996 J jnl
Implementation of sliding mode control with perturbation estimation (SMCPE).
IEEE Trans. Control. Syst. Technol.
Hakan Elmali, Nejat Olgaç
1995 J jnl
Efficient eigenvalue assignments for general linear MIMO systems.
Autom.
Michael Valásek, Nejat Olgaç
1992 J jnl
Robust output tracking control of nonlinear MIMO systems via sliding mode technique.
Autom.
Hakan Elmali, Nejat Olgaç
1992 A* conf
Theory and implementation of sliding mode control with perturbation estimation (SMCPE).
ICRA
Hakan Elmali, Nejat Olgaç