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Journal Articles

A Robust Delayed Resonator Construction Using Amplifying Mechanism

Yifan Liu, Jiazhi Cai, Nejat Olgac, Qingbin Gao

J. Vib. Acoust. February 2023, 145(1): 011010.

Paper No: VIB-22-1177

DOI: https://doi.org/10.1115/1.4055559

Published Online: September 30, 2022

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Topics: Construction, Delays, Dynamics (Mechanics), Excitation, Resonance, Robustness, Stability, Transients (Dynamics), Vibration, Vibration suppression

Proceedings Papers

Delayed Resonance Yields a New Perspective on Regenerative Machine Tool Chatter

Nejat Olgac, Martin Hosek

Proc. ASME. IMECE97, Manufacturing Science and Engineering: Volume 2, 395-402, November 16–21, 1997

Paper No: IMECE1997-1177

DOI: https://doi.org/10.1115/IMECE1997-1177

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Topics: Chatter, Machine tools, Resonance, Cutting, Absorption, Delays, Dynamics (Mechanics), Oscillations, Vibration, Vibration suppression

Proceedings Papers

Stability Analysis of Multiple Delayed Resonator Vibration Absorbers

Nader Jalili, Nejat Olgac

Proc. ASME. IMECE98, Dynamics, Acoustics and Simulations, 211-217, November 15–20, 1998

Paper No: IMECE1998-0569

DOI: https://doi.org/10.1115/IMECE1998-0569

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Topics: Stability, Vibration absorbers, Delays, Vibration, Dampers, Feedback, Mechanical structures, Springs

Proceedings Papers

Experimental Comparison of Delayed Resonator and PD Controlled Vibration Absorbers Using Electromagnetic Actuators

Hakan Elmali, Mark Renzulli, Nejat Olgac

Proc. ASME. IMECE98, Vibration and Noise Control, 201-207, November 15–20, 1998

Paper No: IMECE1998-0421

DOI: https://doi.org/10.1115/IMECE1998-0421

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Topics: Electromagnetic actuators, Vibration absorbers, Absorption, Feedback, Vibration, Actuators, Dynamics (Mechanics), Resonance

Proceedings Papers

A Single-Step Automatic Tuning Algorithm for the Delayed Resonator Vibration Absorber

Martin Hosek, Nejat Olgac

Proc. ASME. IMECE99, Dynamic Systems and Control, 157-164, November 14–19, 1999

Paper No: IMECE1999-0021

DOI: https://doi.org/10.1115/IMECE1999-0021

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Topics: Algorithms, Vibration absorbers, Robustness, Dampers, Delays, Fluctuations (Physics), Mechanical properties, Springs, State feedback, Uncertainty

Proceedings Papers

The Influence Region Analysis for the Delayed Resonator Vibration Absorber

Giulio Grillo, Nejat Olgac

Proc. ASME. IMECE2001, Dynamic Systems and Control, 399-405, November 11–16, 2001

Paper No: IMECE2001/DSC-24550

DOI: https://doi.org/10.1115/IMECE2001/DSC-24550

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Topics: Stability, Vibration absorbers

Proceedings Papers

Relative Stability Analysis for Vibration Absorbers With Multiple Delayed Feedback

Chang Huang, Nejat Olgac

Proc. ASME. IMECE2000, Control of Vibration and Noise: New Millennium, 173-178, November 5–10, 2000

Paper No: IMECE2000-1779

DOI: https://doi.org/10.1115/IMECE2000-1779

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Topics: Feedback, Stability, Vibration absorbers, Delays, Excitation, Absorption, Engineering simulation, Performance, Simulation, State feedback

Proceedings Papers

Active Vibration Absorption Using Delayed Resonator With Relative Position Measurement

Nejat Olgac, Martin Hosek

Proc. ASME. DETC95, Volume 3C: 15th Biennial Conference on Mechanical Vibration and Noise — Vibration Control, Analysis, and Identification, 59-65, September 17–20, 1995

Paper No: DETC1995-0560

DOI: https://doi.org/10.1115/DETC1995-0560

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Topics: Absorption, Vibration, Feedback, Control algorithms, Dampers, Delays, Displacement measurement, Excitation, Oscillations, Springs

Proceedings Papers

Centrifugal Delayed Resonator: Theory and Experiments

Martin Hosek, Hakan Elmali, Nejat Olgac

Proc. ASME. DETC97, Volume 1B: 16th Biennial Conference on Mechanical Vibration and Noise, V01BT08A006, September 14–17, 1997

Paper No: DETC97/VIB-3829

DOI: https://doi.org/10.1115/DETC97/VIB-3829

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Topics: Absorption, Control algorithms, Delays, Dynamics (Mechanics), Failure, Feedback, Mechanical properties, Mechanical structures, Oscillations, Pendulums

Proceedings Papers

Robust Tracking for Uncertain Flexible Structures Using Mixed Time-Optimal and Sliding Mode Control

Nader Jalili, Nejat Olgac

Proc. ASME. DETC97, Volume 1C: 16th Biennial Conference on Mechanical Vibration and Noise, V01CT11A005, September 14–17, 1997

Paper No: DETC97/VIB-3777

DOI: https://doi.org/10.1115/DETC97/VIB-3777

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Topics: Flexible structures, Sliding mode control, Uncertainty

Proceedings Papers

Delay Scheduling of a LQR and PID Controlled Pendubot Using CTCR Method

Helio S. Esteban Villegas, Carlos Borrás Pinilla, Nejat Olgac

Proc. ASME. IMECE2020, Volume 7A: Dynamics, Vibration, and Control, V07AT07A004, November 16–19, 2020

Paper No: IMECE2020-24273

DOI: https://doi.org/10.1115/IMECE2020-24273

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Topics: Delays

Proceedings Papers

A Novel Technique for the Stability of Multiple Frequency Resonators

Nejat Olgac

Proc. ASME. DETC99, Volume 7B: 17th Biennial Conference on Mechanical Vibration and Noise, 2469-2473, September 12–16, 1999

Paper No: DETC99/VIB-8023

DOI: https://doi.org/10.1115/DETC99/VIB-8023

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Topics: Stability, Delays, Feedback

Journal Articles

Real-Time Tuning of Delayed Resonator-Based Absorbers for Spectral and Spatial Variations

Ryan Jenkins, Nejat Olgac

J. Vib. Acoust. April 2019, 141(2): 021011.

Paper No: VIB-18-1085

DOI: https://doi.org/10.1115/1.4041592

Published Online: November 14, 2018

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Topics: Absorption, Design, Excitation, Resonance, Stability, Vibration, Delays, Vibration absorbers, Dynamics (Mechanics), Theorems (Mathematics)

Proceedings Papers

Double Imaginary Root Degeneracies in Time-Delayed Systems and CTCR Treatment

Ryan R. Jenkins, Nejat Olgac

Proc. ASME. DSCC2017, Volume 2: Mechatronics; Estimation and Identification; Uncertain Systems and Robustness; Path Planning and Motion Control; Tracking Control Systems; Multi-Agent and Networked Systems; Manufacturing; Intelligent Transportation and Vehicles; Sensors and Actuators; Diagnostics and Detection; Unmanned, Ground and Surface Robotics; Motion and Vibration Control Applications, V002T05A001, October 11–13, 2017

Paper No: DSCC2017-5013

DOI: https://doi.org/10.1115/DSCC2017-5013

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Topics: Time delay systems, Delays, Dynamics (Mechanics), Stability, Temperature programmed desorption, Variational techniques

Journal Articles

Analytical and Experimental Study on Passive Stabilization of Thermoacoustic Dynamics in a Rijke Tube

Umut Zalluhoglu, Nejat Olgac

J. Dyn. Sys., Meas., Control. February 2018, 140(2): 021007.

Paper No: DS-17-1109

DOI: https://doi.org/10.1115/1.4037388

Published Online: September 20, 2017

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Topics: Dynamics (Mechanics), Stability, Pressure

Proceedings Papers

Stability and Control of a Thermoacoustic Device: The Rijke’s Tube

Nejat Olgac, Umut Zalluhoglu, Ayhan S. Kammer

Proc. ASME. DSCC2014, Volume 2: Dynamic Modeling and Diagnostics in Biomedical Systems; Dynamics and Control of Wind Energy Systems; Vehicle Energy Management Optimization; Energy Storage, Optimization; Transportation and Grid Applications; Estimation and Identification Methods, Tracking, Detection, Alternative Propulsion Systems; Ground and Space Vehicle Dynamics; Intelligent Transportation Systems and Control; Energy Harvesting; Modeling and Control for Thermo-Fluid Applications, IC Engines, Manufacturing, V002T33A001, October 22–24, 2014

Paper No: DSCC2014-5888

DOI: https://doi.org/10.1115/DSCC2014-5888

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Topics: Stability, Thermoacoustic devices, Combustion, Temperature programmed desorption, Physics, Time delay systems

Proceedings Papers

Stability of Blade-Casing Interference in Turbomachinery and the Design Alternatives on Damping Characteristics

Nejat Olgac, Umut Zalluhoglu, Ayhan S. Kammer

Proc. ASME. DSCC2014, Volume 3: Industrial Applications; Modeling for Oil and Gas, Control and Validation, Estimation, and Control of Automotive Systems; Multi-Agent and Networked Systems; Control System Design; Physical Human-Robot Interaction; Rehabilitation Robotics; Sensing and Actuation for Control; Biomedical Systems; Time Delay Systems and Stability; Unmanned Ground and Surface Robotics; Vehicle Motion Controls; Vibration Analysis and Isolation; Vibration and Control for Energy Harvesting; Wind Energy, V003T50A002, October 22–24, 2014

Paper No: DSCC2014-6124

DOI: https://doi.org/10.1115/DSCC2014-6124

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Topics: Blades, Damping, Design, Stability, Turbomachinery, Chatter, Dynamics (Mechanics), Machining, Vibration, Clearances (Engineering)

Journal Articles

Investigation of Local Stability Transitions in the Spectral Delay Space and Delay Space

Qingbin Gao, Umut Zalluhoglu, Nejat Olgac

J. Dyn. Sys., Meas., Control. September 2014, 136(5): 051011.

Paper No: DS-13-1425

DOI: https://doi.org/10.1115/1.4027171

Published Online: June 12, 2014

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Topics: Delays, Stability

Proceedings Papers

An Adaptive Control Method With Low-Resolution Encoder

Zhenyu Zhang, Nejat Olgac

Proc. ASME. DSCC2013, Volume 3: Nonlinear Estimation and Control; Optimization and Optimal Control; Piezoelectric Actuation and Nanoscale Control; Robotics and Manipulators; Sensing; System Identification (Estimation for Automotive Applications, Modeling, Therapeutic Control in Bio-Systems); Variable Structure/Sliding-Mode Control; Vehicles and Human Robotics; Vehicle Dynamics and Control; Vehicle Path Planning and Collision Avoidance; Vibrational and Mechanical Systems; Wind Energy Systems and Control, V003T35A001, October 21–23, 2013

Paper No: DSCC2013-3702

DOI: https://doi.org/10.1115/DSCC2013-3702

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Topics: Adaptive control, Resolution (Optics), Drills (Tools), Feedback, Oscillations, Trajectories (Physics), Biomedicine, Cell membranes, Damage, Glass

Proceedings Papers

Equivalency of Stability Transitions Between the SDS (Spectral Delay Space) and DS (Delay Space)

Qingbin Gao, Umut Zalluhoglu, Nejat Olgac

Proc. ASME. DSCC2013, Volume 2: Control, Monitoring, and Energy Harvesting of Vibratory Systems; Cooperative and Networked Control; Delay Systems; Dynamical Modeling and Diagnostics in Biomedical Systems; Estimation and Id of Energy Systems; Fault Detection; Flow and Thermal Systems; Haptics and Hand Motion; Human Assistive Systems and Wearable Robots; Instrumentation and Characterization in Bio-Systems; Intelligent Transportation Systems; Linear Systems and Robust Control; Marine Vehicles; Nonholonomic Systems, V002T21A001, October 21–23, 2013

Paper No: DSCC2013-3703

DOI: https://doi.org/10.1115/DSCC2013-3703

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Topics: Delays, Stability, Time delay systems, Blocks (Building materials), Space

Journal citation

NARROW

A Robust Delayed Resonator Construction Using Amplifying Mechanism

Delayed Resonance Yields a New Perspective on Regenerative Machine Tool Chatter

Stability Analysis of Multiple Delayed Resonator Vibration Absorbers

Experimental Comparison of Delayed Resonator and PD Controlled Vibration Absorbers Using Electromagnetic Actuators

A Single-Step Automatic Tuning Algorithm for the Delayed Resonator Vibration Absorber

The Influence Region Analysis for the Delayed Resonator Vibration Absorber

Relative Stability Analysis for Vibration Absorbers With Multiple Delayed Feedback

Active Vibration Absorption Using Delayed Resonator With Relative Position Measurement

Centrifugal Delayed Resonator: Theory and Experiments

Robust Tracking for Uncertain Flexible Structures Using Mixed Time-Optimal and Sliding Mode Control

Delay Scheduling of a LQR and PID Controlled Pendubot Using CTCR Method

A Novel Technique for the Stability of Multiple Frequency Resonators

Real-Time Tuning of Delayed Resonator-Based Absorbers for Spectral and Spatial Variations

Double Imaginary Root Degeneracies in Time-Delayed Systems and CTCR Treatment

Analytical and Experimental Study on Passive Stabilization of Thermoacoustic Dynamics in a Rijke Tube

Stability and Control of a Thermoacoustic Device: The Rijke’s Tube

Stability of Blade-Casing Interference in Turbomachinery and the Design Alternatives on Damping Characteristics

Investigation of Local Stability Transitions in the Spectral Delay Space and Delay Space

An Adaptive Control Method With Low-Resolution Encoder

Equivalency of Stability Transitions Between the SDS (Spectral Delay Space) and DS (Delay Space)

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