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Journal Articles

Convolutional Networks for Classification of Mortars

Anderson Lebbad, Garrett M. Clayton, C. Nataraj
Journal: ASME Letters in Dynamic Systems and Control
Publisher: ASME
Article Type: Research Papers
Letters Dyn. Sys. Control. July 2022, 2(3): 031003.
Paper No: ALDSC-21-1017
https://doi.org/10.1115/1.4053886
Published Online: March 22, 2022
View Article titled, Convolutional Networks for Classification of Mortars
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Topics: Mortar, Weapons, Testing, Databases
Proceedings Papers

Dynamic Analysis of Engine-Mount Systems

Hashem Ashrafiuon, C. Nataraj
Proc. ASME. DETC91, 13th Biennial Conference on Mechanical Vibration and Noise: Structural Vibration and Acoustics, 191-196, September 22–25, 1991
Publisher: American Society of Mechanical Engineers
Paper No: DETC1991-0203
https://doi.org/10.1115/DETC1991-0203
View Paper titled, Dynamic Analysis of Engine-Mount Systems
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Topics: Dynamic analysis, Engines, Damping, Rubber, Stiffness, Vibration, Aircraft engines, Analytical methods, Dynamic models, Elasticity
Proceedings Papers

Optimal Design of Centered Squeeze Film Dampers

C. Nataraj, Hashem Ashrafiuon
Proc. ASME. DETC91, 13th Biennial Conference on Mechanical Vibration and Noise: Rotating Machinery and Vehicle Dynamics, 237-243, September 22–25, 1991
Publisher: American Society of Mechanical Engineers
Paper No: DETC1991-0251
https://doi.org/10.1115/DETC1991-0251
View Paper titled, Optimal Design of Centered Squeeze Film Dampers
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Topics: Dampers, Design, Bearings, Rotors, Degrees of freedom, Nonlinear systems, Optimization, Springs, Stability
Proceedings Papers

Flexibility Effects in a Single Link Robotic Manipulator

C. Nataraj
Proc. ASME. DETC93, 14th Biennial Conference on Mechanical Vibration and Noise: Vibrations and Dynamics of Robotic and Multibody Structures, 115-122, September 19–22, 1993
Publisher: American Society of Mechanical Engineers
Paper No: DETC1993-0150
https://doi.org/10.1115/DETC1993-0150
View Paper titled, Flexibility Effects in a Single Link Robotic Manipulator
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Topics: Manipulators, Deformation, Errors, Numerical analysis, Partial differential equations, Robots
Proceedings Papers

Optimal Design of Coupled Structures Subjected to Random Excitation

Arun M. Sampath, C. Nataraj, H. Ashrafiuon
Proc. ASME. DETC95, Volume 1: 21st Design Automation Conference, 323-330, September 17–20, 1995
Publisher: American Society of Mechanical Engineers
Paper No: DETC1995-0043
https://doi.org/10.1115/DETC1995-0043
View Paper titled, Optimal Design of Coupled Structures Subjected to Random Excitation
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Topics: Design, Random excitation, Excitation, White noise, Damping, Stiffness, Discrete systems, Dynamic systems, Optimization, Spectral energy distribution
Proceedings Papers

In-Plane Vibration of High-Speed Spur Gear Webs

Nagaraj K. Arakere, C. Nataraj
Proc. ASME. DETC95, Volume 3A: 15th Biennial Conference on Mechanical Vibration and Noise — Vibration of Nonlinear, Random, and Time-Varying Systems, 259-275, September 17–20, 1995
Publisher: American Society of Mechanical Engineers
Paper No: DETC1995-0266
https://doi.org/10.1115/DETC1995-0266
View Paper titled, In-Plane Vibration of High-Speed Spur Gear Webs
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Topics: Spur gears, Vibration, Gears, Stress, Excitation, Stiffness, High cycle fatigue, Weight (Mass), Aerospace industry, Boundary-value problems
Proceedings Papers

Parameter Excitation Effects in Gear Dynamics

C. Nataraj, Alan M. Whitman
Proc. ASME. DETC97, Volume 1C: 16th Biennial Conference on Mechanical Vibration and Noise, V01CT12A002, September 14–17, 1997
Publisher: American Society of Mechanical Engineers
Paper No: DETC97/VIB-4018
https://doi.org/10.1115/DETC97/VIB-4018
View Paper titled, Parameter Excitation Effects in Gear Dynamics
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Topics: Dynamics (Mechanics), Excitation, Gears, Damping, Errors, Failure, Spur gears, Vibration
Proceedings Papers

Dynamic Response and Stability of a Spur Gear Pair

C. Nataraj, N. K. Arakere
Proc. ASME. DETC99, Volume 7B: 17th Biennial Conference on Mechanical Vibration and Noise, 2979-2986, September 12–16, 1999
Publisher: American Society of Mechanical Engineers
Paper No: DETC99/VIB-8110
https://doi.org/10.1115/DETC99/VIB-8110
View Paper titled, Dynamic Response and Stability of a Spur Gear Pair
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Topics: Dynamic response, Spur gears, Stability, Stiffness, Accounting, Approximation, Bearings, Degrees of freedom, Dynamics (Mechanics), Polynomials
Proceedings Papers

Numerical Simulation of Nonlinear Spur Gear Dynamics

Nagaraj K. Arakere, C. Nataraj
Proc. ASME. DETC99, Volume 7B: 17th Biennial Conference on Mechanical Vibration and Noise, 2987-2994, September 12–16, 1999
Publisher: American Society of Mechanical Engineers
Paper No: DETC99/VIB-8111
https://doi.org/10.1115/DETC99/VIB-8111
View Paper titled, Numerical Simulation of Nonlinear Spur Gear Dynamics
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Topics: Computer simulation, Dynamics (Mechanics), Gears, Journal bearings, Spur gears, Stress
Proceedings Papers

Analysis of Hyper-Redundant Manipulators

Farshid Maghami Asl, Hashem Ashrafiuon, C. Nataraj
Proc. ASME. DETC99, Volume 7A: 17th Biennial Conference on Mechanical Vibration and Noise, 487-496, September 12–16, 1999
Publisher: American Society of Mechanical Engineers
Paper No: DETC99/VIB-8222
https://doi.org/10.1115/DETC99/VIB-8222
View Paper titled, Analysis of Hyper-Redundant Manipulators
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Topics: Manipulators, Robots, Actuators, Kinematics, Algorithms, Computer simulation, Equations of motion, Failure
Proceedings Papers

Obstacle Avoidance for 2D Hyper-Redundant Manipulators Using Harmonic Potential Functions and the Mode Shape Technique

F. Fahimi, H. Ashrafiuon, C. Nataraj
Proc. ASME. IDETC-CIE2001, Volume 6B: 18th Biennial Conference on Mechanical Vibration and Noise, 1919-1925, September 9–12, 2001
Publisher: American Society of Mechanical Engineers
Paper No: DETC2001/VIB-21527
https://doi.org/10.1115/DETC2001/VIB-21527
View Paper titled, Obstacle Avoidance for 2D Hyper-Redundant Manipulators Using Harmonic Potential Functions and the Mode Shape Technique
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Topics: Manipulators, Mode shapes, Fittings, Algebra, Kinematics, Trajectories (Physics)
Journal Articles

Breathing Crack Model Effect on Rotor's Postresonance Backward Whirl

Tariq Alzarooni, Mohammad A. Al-Shudeifat, Oleg Shiryayev, C. Nataraj
Journal: Journal of Computational and Nonlinear Dynamics
Publisher: ASME
Article Type: Research-Article
J. Comput. Nonlinear Dynam. December 2020, 15(12): 121007.
Paper No: CND-20-1080
https://doi.org/10.1115/1.4048358
Published Online: October 23, 2020
View Article titled, Breathing Crack Model Effect on Rotor's Postresonance Backward Whirl
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Topics: Bearings, Fracture (Materials), Rotors, Whirls, Anisotropy, Stiffness
Journal Articles

Rolling Element Bearing Diagnostics Using Extended Phase Space Topology

T. Haj Mohamad, M. Samadani, C. Nataraj
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research-Article
J. Vib. Acoust. December 2018, 140(6): 061009.
Paper No: VIB-17-1527
https://doi.org/10.1115/1.4040041
Published Online: May 14, 2018
View Article titled, Rolling Element Bearing Diagnostics Using Extended Phase Space Topology
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Topics: Bearings, Density, Feature extraction, Phase space, Rolling bearings, Topology, Vibration, Machinery, Probes, Polynomials
Proceedings Papers

Discrimination of Multiple Faults in Bearings Using Density-Based Orthogonal Functions of the Time Response

T. Haj Mohamad, C. A. Kitio Kwuimy, C. Nataraj
Proc. ASME. IDETC-CIE2017, Volume 8: 29th Conference on Mechanical Vibration and Noise, V008T12A035, August 6–9, 2017
Publisher: American Society of Mechanical Engineers
Paper No: DETC2017-68375
https://doi.org/10.1115/DETC2017-68375
View Paper titled, Discrimination of Multiple Faults in Bearings Using Density-Based Orthogonal Functions of the Time Response
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Topics: Bearings, Density, Rolling bearings, Feature selection, Noise control, Vibration
Proceedings Papers

Coupled Operational Optimization of Smart Valve System Subject to Different Approach Angles of a Pipe Contraction

Peiman Naseradinmousavi, Mostafa Bagheri, C. Nataraj
Proc. ASME. DSCC2016, Volume 1: Advances in Control Design Methods, Nonlinear and Optimal Control, Robotics, and Wind Energy Systems; Aerospace Applications; Assistive and Rehabilitation Robotics; Assistive Robotics; Battery and Oil and Gas Systems; Bioengineering Applications; Biomedical and Neural Systems Modeling, Diagnostics and Healthcare; Control and Monitoring of Vibratory Systems; Diagnostics and Detection; Energy Harvesting; Estimation and Identification; Fuel Cells/Energy Storage; Intelligent Transportation, V001T02A001, October 12–14, 2016
Publisher: American Society of Mechanical Engineers
Paper No: DSCC2016-9627
https://doi.org/10.1115/DSCC2016-9627
View Paper titled, Coupled Operational Optimization of Smart Valve System Subject to Different Approach Angles of a Pipe Contraction
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Topics: Optimization, Pipes, Valves, Algorithms, Electromagnetic force, Electromagnetism, Flow (Dynamics), Fluid mechanics, Modeling, Particulate matter
Proceedings Papers

Coupled Chaotic and Hyperchaotic Dynamics of Actuated Butterfly Valves Operating in Series

Peiman Naseradinmousavi, Mostafa Bagheri, Miroslav Krstić, C. Nataraj
Proc. ASME. DSCC2016, Volume 2: Mechatronics; Mechatronics and Controls in Advanced Manufacturing; Modeling and Control of Automotive Systems and Combustion Engines; Modeling and Validation; Motion and Vibration Control Applications; Multi-Agent and Networked Systems; Path Planning and Motion Control; Robot Manipulators; Sensors and Actuators; Tracking Control Systems; Uncertain Systems and Robustness; Unmanned, Ground and Surface Robotics; Vehicle Dynamic Controls; Vehicle Dynamics and Traffic Control, V002T17A001, October 12–14, 2016
Publisher: American Society of Mechanical Engineers
Paper No: DSCC2016-9601
https://doi.org/10.1115/DSCC2016-9601
View Paper titled, Coupled Chaotic and Hyperchaotic Dynamics of Actuated Butterfly Valves Operating in Series
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Topics: Dynamics (Mechanics), Valves, Actuators, Dynamic analysis, Stability, Flow (Dynamics), Natural gas fields, Navy, Petrochemicals, Pipes
Proceedings Papers

Feature Extraction for Bearing Diagnostics Based on the Characterization of Orbit Plots With Orthogonal Functions

M. Samadani, T. Haj Mohamad, C. Nataraj
Proc. ASME. IDETC-CIE2016, Volume 8: 28th Conference on Mechanical Vibration and Noise, V008T10A026, August 21–24, 2016
Publisher: American Society of Mechanical Engineers
Paper No: DETC2016-60438
https://doi.org/10.1115/DETC2016-60438
View Paper titled, Feature Extraction for Bearing Diagnostics Based on the Characterization of Orbit Plots With Orthogonal Functions
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Topics: Bearings, Feature extraction, Density, Phase space, Dynamic systems, Machinery, Noise (Sound), Probes, Topology, Vibration
Journal Articles

Automatic Detection of Endotracheal Intubation During the Anesthesia Procedure

Ali Jalali, Mohamed Rehman, Arul Lingappan, C. Nataraj
Journal: Journal of Dynamic Systems, Measurement, and Control
Publisher: ASME
Article Type: Research-Article
J. Dyn. Sys., Meas., Control. November 2016, 138(11): 111013.
Paper No: DS-15-1627
https://doi.org/10.1115/1.4033864
Published Online: August 9, 2016
View Article titled, Automatic Detection of Endotracheal Intubation During the Anesthesia Procedure
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Topics: Algorithms, Ventilation, Surgery, Modeling, Design
Journal Articles

Chaotic and Hyperchaotic Dynamics of Smart Valves System Subject to a Sudden Contraction

Peiman Naseradinmousavi, David B. Segala, C. Nataraj
Journal: Journal of Computational and Nonlinear Dynamics
Publisher: ASME
Article Type: Research-Article
J. Comput. Nonlinear Dynam. September 2016, 11(5): 051025.
Paper No: CND-16-1123
https://doi.org/10.1115/1.4033610
Published Online: June 2, 2016
View Article titled, Chaotic and Hyperchaotic Dynamics of Smart Valves System Subject to a Sudden Contraction
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Topics: Dynamics (Mechanics), Valves, Flow (Dynamics), Dynamic analysis, Actuators, Poincaré maps, Stability
Journal Articles

Design Optimization of Dynamically Coupled Actuated Butterfly Valves Subject to a Sudden Contraction

Peiman Naseradinmousavi, Miroslav Krstić, C. Nataraj
Journal: Journal of Mechanical Design
Publisher: ASME
Article Type: Research-Article
J. Mech. Des. April 2016, 138(4): 041402.
Paper No: MD-15-1453
https://doi.org/10.1115/1.4032215
Published Online: February 19, 2016
View Article titled, Design Optimization of Dynamically Coupled Actuated Butterfly Valves Subject to a Sudden Contraction
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Topics: Design, Optimization, Valves, Actuators, Flow (Dynamics), Algorithms