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Journal Articles

Delay Effects in the Dynamics of Human Controlled Towing of Vehicles

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Bence Szaksz, Gabor Stepan
Journal: Journal of Computational and Nonlinear Dynamics
Publisher: ASME
Article Type: Research-Article
J. Comput. Nonlinear Dynam. June 2023, 18(6): 061003.
Paper No: CND-22-1196
https://doi.org/10.1115/1.4056590
Published Online: April 6, 2023
View Articletitled, Delay Effects in the Dynamics of Human Controlled Towing of Vehicles
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Topics: Delays, Stability, Vehicles, Dynamics (Mechanics)
Proceedings Papers

Nonlinear Oscillations in Delayed Collocated Control of Pendulum on Trolley

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Bence Mate Szaksz, Gabor Stepan
Proc. ASME. IDETC-CIE2022, Volume 9: 18th International Conference on Multibody Systems, Nonlinear Dynamics, and Control (MSNDC), V009T09A032, August 14–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: DETC2022-89838
https://doi.org/10.1115/DETC2022-89838
View Paper titled, Nonlinear Oscillations in Delayed Collocated Control of Pendulum on Trolley
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Topics: Oscillations, Pendulums, Bifurcation, Delays, Manifolds, Nonlinear dynamics, Position control, Stability
Proceedings Papers

Nonlinear Dynamics of Human Balancing

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Rudolf R. Tóth, Csenge A. Molnar, Gabor Stepan
Proc. ASME. IDETC-CIE2022, Volume 9: 18th International Conference on Multibody Systems, Nonlinear Dynamics, and Control (MSNDC), V009T09A031, August 14–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: DETC2022-89772
https://doi.org/10.1115/DETC2022-89772
View Paper titled, Nonlinear Dynamics of Human Balancing
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Topics: Nonlinear dynamics, Accidents, Bifurcation, Delays, Stability, Stiffness, Torque
Proceedings Papers

Stability of High-Speed Milling

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Tamás Insperger, Gábor Stépán
Proc. ASME. IMECE2000, Nonlinear Dynamics and Stochastic Mechanics, 119-123, November 5–10, 2000
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2000-1758
https://doi.org/10.1115/IMECE2000-1758
View Paper titled, Stability of High-Speed Milling
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Topics: Milling, Stability, Vibration, Bifurcation, Excitation, Oscillating frequencies
Proceedings Papers

Micro-Chaotic Behavior of Digitally Controlled Machines

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Eniko Enikov, Gábor Stépán
Proc. ASME. DETC95, Volume 3A: 15th Biennial Conference on Mechanical Vibration and Noise — Vibration of Nonlinear, Random, and Time-Varying Systems, 399-406, September 17–20, 1995
Publisher: American Society of Mechanical Engineers
Paper No: DETC1995-0279
https://doi.org/10.1115/DETC1995-0279
View Paper titled, Micro-Chaotic Behavior of Digitally Controlled Machines
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Topics: Machinery, Chaos, Design, Vibration, Computer control, Control equipment, Delays, Equations of motion, Equilibrium (Physics), Oscillations
Proceedings Papers

Nonlinear Regenerative Machine Tool Vibrations

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Gábor Stépán, Tamas Kalmar-Nagy
Proc. ASME. DETC97, Volume 1C: 16th Biennial Conference on Mechanical Vibration and Noise, V01CT12A008, September 14–17, 1997
Publisher: American Society of Mechanical Engineers
Paper No: DETC97/VIB-4021
https://doi.org/10.1115/DETC97/VIB-4021
View Paper titled, Nonlinear Regenerative Machine Tool Vibrations
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Topics: Machine tools, Vibration, Cutting, Algebra, Bifurcation, Delay differential equations, Equations of motion, Manifolds, Phase space
Proceedings Papers

Dynamics of Pipes Containing Pulsative Flow

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Zsolt Szabó, S. C. Sinha, Gábor Stépán
Proc. ASME. DETC97, Volume 1C: 16th Biennial Conference on Mechanical Vibration and Noise, V01CT12A024, September 14–17, 1997
Publisher: American Society of Mechanical Engineers
Paper No: DETC97/VIB-4022
https://doi.org/10.1115/DETC97/VIB-4022
View Paper titled, Dynamics of Pipes Containing Pulsative Flow
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Topics: Dynamics (Mechanics), Flow (Dynamics), Pipes, Stability, Algebra, Boundary-value problems, Chain, Computers, Equations of motion, Fluid dynamics
Proceedings Papers

Impact Induced Internal Fatigue Cracks

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Gábor Stépán, Zsolt Szabó
Proc. ASME. DETC99, Volume 7B: 17th Biennial Conference on Mechanical Vibration and Noise, 2273-2279, September 12–16, 1999
Publisher: American Society of Mechanical Engineers
Paper No: DETC99/VIB-8351
https://doi.org/10.1115/DETC99/VIB-8351
View Paper titled, Impact Induced Internal Fatigue Cracks
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Topics: Fatigue cracks, Fracture (Materials), Machine components, Tension, Design, Failure, Forging, Machinery, Traveling waves
Journal Articles

Comments on the Paper: “COVID-19: Data-Driven Dynamics, Statistical and Distributed Delay Models, and Observations” (Liu, X., Zheng, X., and Balachandran, B., 2020, Nonlinear Dyn., 101, pp. 1527–1543)

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Gabor Stepan
Journal: Journal of Applied Mechanics
Publisher: ASME
Article Type: Commentary
J. Appl. Mech. February 2021, 88(2): 020401.
Paper No: JAM-20-1623
https://doi.org/10.1115/1.4049473
Published Online: January 8, 2021
View Articletitled, Comments on the Paper: “COVID-19: Data-Driven Dynamics, Statistical and Distributed Delay Models, and Observations” (Liu, X., Zheng, X., and Balachandran, B., 2020, Nonlinear Dyn., 101, pp. 1527–1543)
Open the PDF for Comments on the Paper: “COVID-19: Data-Driven Dynamics, Statistical and Distributed Delay Models, and Observations” (Liu, X., Zheng, X., and Balachandran, B., 2020, Nonlinear Dyn., 101, pp. 1527–1543) in another window
Topics: Delays, Dynamics (Mechanics)
Proceedings Papers

Semi-Discretization of Delayed Dynamical Systems

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Tamás Insperger, Gábor Stépán
Proc. ASME. IDETC-CIE2001, Volume 6B: 18th Biennial Conference on Mechanical Vibration and Noise, 1227-1232, September 9–12, 2001
Publisher: American Society of Mechanical Engineers
Paper No: DETC2001/VIB-21446
https://doi.org/10.1115/DETC2001/VIB-21446
View Paper titled, Semi-Discretization of Delayed Dynamical Systems
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Topics: Dynamic systems, Stability, Damping, Delays, Discrete systems, Numerical analysis
Proceedings Papers

Comparison of the Dynamics of Low Immersion Milling and Cutting With Varying Spindle Speed

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Tamás Insperger, Gábor Stépán, Sri N. Namachchivaya
Proc. ASME. IDETC-CIE2001, Volume 6C: 18th Biennial Conference on Mechanical Vibration and Noise, 2691-2698, September 9–12, 2001
Publisher: American Society of Mechanical Engineers
Paper No: DETC2001/VIB-21616
https://doi.org/10.1115/DETC2001/VIB-21616
View Paper titled, Comparison of the Dynamics of Low Immersion Milling and Cutting With Varying Spindle Speed
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Topics: Cutting, Dynamics (Mechanics), Milling, Stability, Delays, Delay differential equations, Bifurcation, Dynamic systems, Excitation, Machine tools
Proceedings Papers

Collocated Position Control of Oscillatory System in Presence of Delay

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Bence Szaksz, Gabor Stepan
Proc. ASME. IDETC-CIE2020, Volume 2: 16th International Conference on Multibody Systems, Nonlinear Dynamics, and Control (MSNDC), V002T02A048, August 17–19, 2020
Publisher: American Society of Mechanical Engineers
Paper No: DETC2020-22362
https://doi.org/10.1115/DETC2020-22362
View Paper titled, Collocated Position Control of Oscillatory System in Presence of Delay
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Topics: Delays, Position control, Stability, Control equipment, Pendulums, Vibration
Journal Articles

Chatter Stability of Machining Operations

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Yusuf Altintas, Gabor Stepan, Erhan Budak, Tony Schmitz, Zekai Murat Kilic
Journal: Journal of Manufacturing Science and Engineering
Publisher: ASME
Article Type: Review Articles
J. Manuf. Sci. Eng. November 2020, 142(11): 110801.
Paper No: MANU-19-1385
https://doi.org/10.1115/1.4047391
Published Online: August 11, 2020
View Articletitled, Chatter Stability of Machining Operations
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Topics: Chatter, Cutting, Milling, Stability, Machining
Journal Articles

Vehicle Shimmy Modeling With Pacejka's Magic Formula and the Delayed Tire Model

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Tian Mi, Gabor Stepan, Denes Takacs, Nan Chen
Journal: Journal of Computational and Nonlinear Dynamics
Publisher: ASME
Article Type: Research-Article
J. Comput. Nonlinear Dynam. March 2020, 15(3): 031005.
Paper No: CND-19-1092
https://doi.org/10.1115/1.4045943
Published Online: January 23, 2020
View Articletitled, Vehicle Shimmy Modeling With Pacejka's Magic Formula and the Delayed Tire Model
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Topics: Tires, Wheels
Proceedings Papers

Optimization of Edge Geometry of Cylindrical Milling Tools to Enhance Dynamic Stability

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Zoltan Dombovari, Daniel Bachrathy, Gabor Stepan
Proc. ASME. IDETC-CIE2019, Volume 6: 15th International Conference on Multibody Systems, Nonlinear Dynamics, and Control, V006T09A059, August 18–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: DETC2019-97761
https://doi.org/10.1115/DETC2019-97761
View Paper titled, Optimization of Edge Geometry of Cylindrical Milling Tools to Enhance Dynamic Stability
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Topics: Dynamic stability, Geometry, Milling, Optimization, Delay differential equations, Cutting, Delays, Stability, Surface properties, Weight (Mass)
Journal Articles

Effects of Varying Dynamics of Flexible Workpieces in Milling Operations

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Adam K. Kiss, Daniel Bachrathy, Gabor Stepan
Journal: Journal of Manufacturing Science and Engineering
Publisher: ASME
Article Type: Research Papers
J. Manuf. Sci. Eng. January 2020, 142(1): 011005.
Paper No: MANU-19-1332
https://doi.org/10.1115/1.4045418
Published Online: November 20, 2019
View Articletitled, Effects of Varying Dynamics of Flexible Workpieces in Milling Operations
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Topics: Cutting, Dynamics (Mechanics), Errors, Milling, Stability, Chatter, Vibration, Finite element methods, Finite element model, Machining
Proceedings Papers

Experimental Bifurcation Diagram of Furuta Pendulum

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Mate B. Vizi, Gabor Stepan
Proc. ASME. DSCC2018, Volume 3: Modeling and Validation; Multi-Agent and Networked Systems; Path Planning and Motion Control; Tracking Control Systems; Unmanned Aerial Vehicles (UAVs) and Application; Unmanned Ground and Aerial Vehicles; Vibration in Mechanical Systems; Vibrations and Control of Systems; Vibrations: Modeling, Analysis, and Control, V003T29A004, September 30–October 3, 2018
Publisher: American Society of Mechanical Engineers
Paper No: DSCC2018-9030
https://doi.org/10.1115/DSCC2018-9030
View Paper titled, Experimental Bifurcation Diagram of Furuta Pendulum
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Topics: Bifurcation, Pendulums, Coulombs, Degrees of freedom, Friction, Mechanical structures, Stability
Proceedings Papers

The Development of High Speed Virtual Milling Test

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Akos Miklos, Denes Takacs, Richard Wohlfart, Gabor Porempovics, Tamas G. Molnar, Daniel Bachrathy, Andras Toth, Gabor Stepan
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, V002T16A003, October 11–13, 2017
Publisher: American Society of Mechanical Engineers
Paper No: DSCC2017-5217
https://doi.org/10.1115/DSCC2017-5217
View Paper titled, The Development of High Speed Virtual Milling Test
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Topics: Milling, Electromagnetic actuators, Hardware, Algorithms, Cutting, Delays, Displacement, Engineering prototypes, Milling machines, Sensors
Journal Articles

Experimental Fitting of Rotor Models by Using a Special Three-Node Beam Element

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Mate Antali, Denes Takacs, Gabor Stepan
Journal: Journal of Computational and Nonlinear Dynamics
Publisher: ASME
Article Type: Research-Article
J. Comput. Nonlinear Dynam. February 2018, 13(2): 021009.
Paper No: CND-17-1270
https://doi.org/10.1115/1.4038148
Published Online: November 9, 2017
View Articletitled, Experimental Fitting of Rotor Models by Using a Special Three-Node Beam Element
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Topics: Algorithms, Fittings, Rotors, Stiffness, Degrees of freedom
Proceedings Papers

Experimental Determination of Dominant Multipliers in Milling Process by Means of Homogeneous Coordinate Transformation

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Adam K. Kiss, Daniel Bachrathy, Gabor Stepan
Proc. ASME. IDETC-CIE2017, Volume 8: 29th Conference on Mechanical Vibration and Noise, V008T12A053, August 6–9, 2017
Publisher: American Society of Mechanical Engineers
Paper No: DETC2017-67827
https://doi.org/10.1115/DETC2017-67827
View Paper titled, Experimental Determination of Dominant Multipliers in Milling Process by Means of Homogeneous Coordinate Transformation
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Topics: Milling, Stability, Chatter, Excitation, Machining, Transients (Dynamics), Vibration