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Proceedings Papers

FEM-Based Prediction of Crater Dimension Formed During Single Discharge Micro-EDM

Rajiv Kumar, Samuel G. L.
Proc. ASME. IMECE2024, Volume 2: Advanced Manufacturing, V002T03A099, November 17–21, 2024
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2024-145497
https://doi.org/10.1115/IMECE2024-145497
View Paper titled, FEM-Based Prediction of Crater Dimension Formed During Single Discharge Micro-EDM
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Topics: Dimensions, Finite element model, Micro-electrical discharge machining, Electrical discharge machining, Latent heat, Computer simulation, Finishing, Heat, Materials properties, Melting
Journal Articles

Performance of Thermally Sprayed Nickel and Tungsten-Based Coatings in Slurry Erosion Conditions: A Review

Abhinay Kumar, Rajiv Kumar Garg, Anish Sachdeva
Journal: Journal of Tribology
Publisher: ASME
Article Type: Review Articles
J. Tribol. September 2023, 145(9): 090801.
Paper No: TRIB-22-1322
https://doi.org/10.1115/1.4062372
Published Online: May 19, 2023
View Articletitled, Performance of Thermally Sprayed Nickel and Tungsten-Based Coatings in Slurry Erosion Conditions: A Review
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Topics: Coatings, Erosion, Nickel, Slurries, Tungsten, Sprays, Particulate matter, Wear
Proceedings Papers

Environmental Sustainability of Additive Manufacturing: A Case Study of Indian Manufacturing Industry

Alok Yadav, Anish Kumar Sachdeva, Rajeev Agrawal, Rajiv Kumar Garg
Proc. ASME. IMECE2022, Volume 2B: Advanced Manufacturing, V02BT02A063, October 30–November 3, 2022
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2022-95349
https://doi.org/10.1115/IMECE2022-95349
View Paper titled, Environmental Sustainability of Additive Manufacturing: A Case Study of Indian Manufacturing Industry
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Topics: Additive manufacturing, Manufacturing industry, Sustainability
Journal Articles

Modeling, Nonlinear Dynamics, and Bifurcation Analysis of the Rotor–Seal System Using a Subharmonic Sampling Strategy

Rajiv Kumar Vashisht
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research Papers
J. Vib. Acoust. February 2023, 145(1): 011012.
Paper No: VIB-22-1036
https://doi.org/10.1115/1.4055616
Published Online: October 10, 2022
View Articletitled, Modeling, Nonlinear Dynamics, and Bifurcation Analysis of the Rotor–Seal System Using a Subharmonic Sampling Strategy
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Topics: Bifurcation, Rotors, Clearances (Engineering)
Journal Articles

Distribution of Residual Stress in Wire-Arc Additively Manufactured Small-Scale Component: Single- Versus Multi-Level Heat Input

Shekhar Srivastava, Rajiv Kumar Garg, Anish Sachdeva, Vishal S. Sharma
Journal: Journal of Manufacturing Science and Engineering
Publisher: ASME
Article Type: Research Papers
J. Manuf. Sci. Eng. February 2023, 145(2): 021008.
Paper No: MANU-22-1269
https://doi.org/10.1115/1.4055569
Published Online: September 30, 2022
View Articletitled, Distribution of Residual Stress in Wire-Arc Additively Manufactured Small-Scale Component: Single- Versus Multi-Level Heat Input
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Topics: Heat, Stress, Temperature, Additive manufacturing, Wire, Modeling, Thermomechanics, Stress concentration
Journal Articles

Online Chatter Detection for Milling Operations Using LSTM Neural Networks Assisted by Motor Current Signals of Ball Screw Drives

Rajiv Kumar Vashisht, Qingjin Peng
Journal: Journal of Manufacturing Science and Engineering
Publisher: ASME
Article Type: Research Papers
J. Manuf. Sci. Eng. January 2021, 143(1): 011008.
Paper No: MANU-20-1188
https://doi.org/10.1115/1.4048001
Published Online: October 5, 2020
View Articletitled, Online Chatter Detection for Milling Operations Using LSTM Neural Networks Assisted by Motor Current Signals of Ball Screw Drives
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Topics: Artificial neural networks, Chatter, Engines, Milling, Motors, Screws, Cutting, Signals, Dynamic modeling, Stability
Journal Articles

Simultaneous Fault Detection and Multivariable Adaptive Hybrid Control for Unbalanced Vibrations of Cracked Flexible Rotor Systems

Rajiv Kumar Vashisht, Qingjin Peng
Journal: Journal of Dynamic Systems, Measurement, and Control
Publisher: ASME
Article Type: Research-Article
J. Dyn. Sys., Meas., Control. December 2020, 142(12): 121001.
Paper No: DS-18-1563
https://doi.org/10.1115/1.4047818
Published Online: August 7, 2020
View Articletitled, Simultaneous Fault Detection and Multivariable Adaptive Hybrid Control for Unbalanced Vibrations of Cracked Flexible Rotor Systems
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Topics: Control equipment, Rotors, Vibration, Feedback, Hybrid control, Spin (Aerodynamics), Feedforward control, Signals, Fracture (Materials), Filters
Journal Articles

Fractional Calculus-Based Energy Efficient Active Chatter Control of Milling Process Using Small Size Electromagnetic Actuators

Rajiv Kumar Vashisht, Qingjin Peng
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research Papers
J. Vib. Acoust. February 2021, 143(1): 011005.
Paper No: VIB-19-1527
https://doi.org/10.1115/1.4047703
Published Online: July 28, 2020
View Articletitled, Fractional Calculus-Based Energy Efficient Active Chatter Control of Milling Process Using Small Size Electromagnetic Actuators
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Topics: Chatter, Control equipment, Milling, Electromagnetic actuators, Cutting, Actuators, Modeling
Proceedings Papers

The Effect of Gravity and Rotor Configuration on Dry Friction Whip and Safe Rotor/Stator Clearance

Rajiv Kumar Vashisht
Proc. ASME. IDETC-CIE2019, Volume 6: 15th International Conference on Multibody Systems, Nonlinear Dynamics, and Control, V006T09A055, August 18–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: DETC2019-97048
https://doi.org/10.1115/DETC2019-97048
View Paper titled, The Effect of Gravity and Rotor Configuration on Dry Friction Whip and Safe Rotor/Stator Clearance
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Topics: Clearances (Engineering), Dry friction, Gravity (Force), Rotors, Stators
Proceedings Papers

Model Based Determination of Size and Location of a Crack in a Rotor System Using Wavelet Transformation and Pattern Search Optimization

Rajiv Kumar Vashisht
Proc. ASME. IDETC-CIE2019, Volume 8: 31st Conference on Mechanical Vibration and Noise, V008T10A053, August 18–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: DETC2019-97072
https://doi.org/10.1115/DETC2019-97072
View Paper titled, Model Based Determination of Size and Location of a Crack in a Rotor System Using Wavelet Transformation and Pattern Search Optimization
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Topics: Fracture (Materials), Optimization, Rotors, Wavelets
Proceedings Papers

Dynamic Modelling and Diagnosis of Transverse Crack and Rotor/Stator Rub in a Flexible Rotor System

Rajiv Kumar Vashisht, Qingjin Peng
Proc. ASME. IDETC-CIE2019, Volume 6: 15th International Conference on Multibody Systems, Nonlinear Dynamics, and Control, V006T09A054, August 18–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: DETC2019-97047
https://doi.org/10.1115/DETC2019-97047
View Paper titled, Dynamic Modelling and Diagnosis of Transverse Crack and Rotor/Stator Rub in a Flexible Rotor System
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Topics: Dynamic modeling, Fourier transforms, Fracture (Materials), Rotors, Stators
Proceedings Papers

Hybrid Control of Rotating Beams Using Pattern Search Based Optimization Technique

Rajiv Kumar Vashisht, Qingjin Peng
Proc. ASME. IDETC-CIE2018, Volume 6: 14th International Conference on Multibody Systems, Nonlinear Dynamics, and Control, V006T09A040, August 26–29, 2018
Publisher: American Society of Mechanical Engineers
Paper No: DETC2018-85066
https://doi.org/10.1115/DETC2018-85066
View Paper titled, Hybrid Control of Rotating Beams Using Pattern Search Based Optimization Technique
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Topics: Hybrid control, Optimization, Rotating beams, Control equipment, Damping, Feedback, Vibration, Actuators, Aircraft, Closed loop systems
Journal Articles

Nonlinear Dynamic Modeling of the Cracked Rotor Ball Bearing System With Emphasis on Damage Detection Capabilities

Rajiv Kumar Vashisht, Qingjin Peng
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research-Article
J. Vib. Acoust. August 2018, 140(4): 041018.
Paper No: VIB-17-1415
https://doi.org/10.1115/1.4039404
Published Online: March 30, 2018
View Articletitled, Nonlinear Dynamic Modeling of the Cracked Rotor Ball Bearing System With Emphasis on Damage Detection Capabilities
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Topics: Ball bearings, Rotors, Bearings, Modeling, Particle spin, Rotation, Spin (Aerodynamics), Excitation, Fracture (Materials)
Journal Articles

Efficient Active Vibration Control of Smart Structures With Modified Positive Position Feedback Control Using Pattern Search Methods in the Presence of Instrumentation Phase Lead and Lag

Rajiv Kumar
Journal: Journal of Dynamic Systems, Measurement, and Control
Publisher: ASME
Article Type: Research-Article
J. Dyn. Sys., Meas., Control. November 2013, 135(6): 061001.
Paper No: DS-11-1395
https://doi.org/10.1115/1.4024603
Published Online: July 19, 2013
View Articletitled, Efficient Active Vibration Control of Smart Structures With Modified Positive Position Feedback Control Using Pattern Search Methods in the Presence of Instrumentation Phase Lead and Lag
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Topics: Control equipment, Design, Feedback, Delays, Filters, Instrumentation, Damping
Journal Articles

Performance Analysis of Finite Element and Energy Based Analytical Methods for Modeling of PCLD Treated Beams

Sanjiv Kumar, Rajiv Kumar, Rakesh Sehgal
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Technical Briefs
J. Vib. Acoust. June 2012, 134(3): 034501.
https://doi.org/10.1115/1.4006232
Published Online: April 24, 2012
View Articletitled, Performance Analysis of Finite Element and Energy Based Analytical Methods for Modeling of PCLD Treated Beams
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Topics: Analytical methods, Boundary-value problems, Errors, Finite element analysis, Finite element methods, Finite element model, Modeling, Equations of motion, Simply supported beams
Journal Articles

Active Vibration Control of Beams by Combining Precompressed Layer Damping and ACLD Treatment: Performance Comparison of Various Robust Control Techniques

Rajiv Kumar
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research Papers
J. Vib. Acoust. April 2012, 134(2): 021015.
https://doi.org/10.1115/1.4004997
Published Online: January 26, 2012
View Articletitled, Active Vibration Control of Beams by Combining Precompressed Layer Damping and ACLD Treatment: Performance Comparison of Various Robust Control Techniques
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Topics: Control equipment, Design, Robust control, Damping, Stability
Journal Articles

Active Vibration Control of Beams By Combining Precompressed Layer Damping and ACLD Treatment: Theory and Experimental Implementation

Sanjiv Kumar, Rakesh Sehgal, Rajiv Kumar
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research Papers
J. Vib. Acoust. December 2011, 133(6): 061013.
https://doi.org/10.1115/1.4005028
Published Online: November 28, 2011
View Articletitled, Active Vibration Control of Beams By Combining Precompressed Layer Damping and ACLD Treatment: Theory and Experimental Implementation
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Topics: Active damping, Damping, Sensors, Displacement, Stress, Shear modulus, Young's modulus, Vibration control, Control equipment, Eigenvalues
Proceedings Papers

A New Approach for Investigation of the Turbine Generator Oscillatory Behavior Affecting Power System Quality and Reliability

Rajiv Kumar, Michael Merkle, Thomas Leibfried
Proc. ASME. POWER2004, ASME 2004 Power Conference, 401-408, March 30–April 1, 2004
Publisher: American Society of Mechanical Engineers
Paper No: POWER2004-52167
https://doi.org/10.1115/POWER2004-52167
View Paper titled, A New Approach for Investigation of the Turbine Generator Oscillatory Behavior Affecting Power System Quality and Reliability
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Topics: Capacitors, Fatigue life, Generators, Oscillations, Power systems (Machinery), Reliability, Resonance, Rotors, Turbogenerators
Journal Articles

Pole Placement Techniques for Active Vibration Control of Smart Structures: A Feasibility Study

Rajiv Kumar, Moinuddin Khan
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Technical Papers
J. Vib. Acoust. October 2007, 129(5): 601–615.
https://doi.org/10.1115/1.2748474
Published Online: April 24, 2007
View Articletitled, Pole Placement Techniques for Active Vibration Control of Smart Structures: A Feasibility Study
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Topics: Actuators, Control equipment, Pole placement, Poles (Building), Smart structures, Stress, Vibration control, Stability, Noise (Sound), Vibration
Journal Articles

Optimized Near Minimum Time Control of Flexible Structures Using Variable Gain (LQG) Control Strategies

Rajiv Kumar, S. P. Singh, H. N. Chandrawat
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Technical Briefs
J. Vib. Acoust. June 2006, 128(3): 402–407.
https://doi.org/10.1115/1.2166856
Published Online: August 30, 2005
View Articletitled, Optimized Near Minimum Time Control of Flexible Structures Using Variable Gain (LQG) Control Strategies
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Topics: Actuators, Artificial neural networks, Control equipment, Flexible structures, Time optimal control, Vibration, Sensors, Algorithms, Piezoelectric ceramics