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Alok Sinha
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Journal Articles

Minimum-Time Control of a Linear System with Input Saturation: A Practical Approach

Accepted Manuscript
Alok Sinha
Journal: ASME Letters in Dynamic Systems and Control
Publisher: ASME
Article Type: Research Papers
Letters Dyn. Sys. Control.
Paper No: ALDSC-24-1009
https://doi.org/10.1115/1.4066831
Published Online: October 10, 2024
View Article titled, Minimum-Time Control of a Linear System with Input Saturation: A Practical Approach
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Topics: Linear systems, Algorithms, Poles (Building), Time optimal control, Computational methods, Control algorithms, Design, Stability, State feedback, Time-invariant systems
Proceedings Papers

Multi-Input Shaping for a Multi-Mode Vibratory Structure Using Deadbeat Control Theory

Alok Sinha
Proc. ASME. IDETC-CIE2022, Volume 10: 34th Conference on Mechanical Vibration and Sound (VIB), V010T10A020, August 14–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: DETC2022-89788
https://doi.org/10.1115/DETC2022-89788
View Paper titled, Multi-Input Shaping for a Multi-Mode Vibratory Structure Using Deadbeat Control Theory
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Topics: Control theory, Damping, Discrete time systems, Finite element model, Flexible structures, Poles (Building), Springs, Trusses (Building), Uncertainty
Proceedings Papers

Computation of the Maximum Amplitude of a Mistuned Bladed Disk Assembly via Infinity Norm

Alok Sinha
Proc. ASME. IMECE97, Analysis and Design Issues for Modern Aerospace Vehicles, 427-432, November 16–21, 1997
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1997-0742
https://doi.org/10.1115/IMECE1997-0742
View Paper titled, Computation of the Maximum Amplitude of a Mistuned Bladed Disk Assembly via Infinity Norm
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Topics: Computation, Disks, Manufacturing, Blades, Degrees of freedom, Vibration
Proceedings Papers

Optimal Design of a Sensorless Magnetic Suspension System Using a Tuned LC Circuit

Robert M. Krause, Alok Sinha
Proc. ASME. IMECE98, Vibration and Noise Control, 113-120, November 15–20, 1998
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1998-0408
https://doi.org/10.1115/IMECE1998-0408
View Paper titled, Optimal Design of a Sensorless Magnetic Suspension System Using a Tuned LC Circuit
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Topics: Circuits, Design, Magnetic levitation, Damping, Stability, Electromagnets, Springs, Dampers, Differential equations, Nonlinear systems
Journal Articles

Computing Natural Frequencies and Mode Shapes of an Axially Moving Nonuniform Beam

Alok Sinha
Journal: Journal of Computational and Nonlinear Dynamics
Publisher: ASME
Article Type: Research-Article
J. Comput. Nonlinear Dynam. April 2022, 17(4): 041001.
Paper No: CND-21-1197
https://doi.org/10.1115/1.4053271
Published Online: January 13, 2022
View Article titled, Computing Natural Frequencies and Mode Shapes of an Axially Moving Nonuniform Beam
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Topics: Boundary-value problems, Mode shapes, Partial differential equations, Eigenvalues, Galerkin method, Optimization, Time-varying systems
Proceedings Papers

Identification of Slip Load, Friction Force and External Force Using Unscented Kalman Filter for Frictionally Damped Turbine Blades

Himanshu Patel, Alok Sinha
Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT25A003, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-59863
https://doi.org/10.1115/GT2021-59863
View Paper titled, Identification of Slip Load, Friction Force and External Force Using Unscented Kalman Filter for Frictionally Damped Turbine Blades
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Topics: Friction, Kalman filters, Stress, Turbine blades, Dampers, Excitation, Vibration, Differential equations, Errors, Modeling
Proceedings Papers

A New Approach to Solution of Time-Independent One-Dimensional Schrödinger Wave Equation

Alok Sinha
Proc. ASME. IDETC-CIE2020, Volume 7: 32nd Conference on Mechanical Vibration and Noise (VIB), V007T07A002, August 17–19, 2020
Publisher: American Society of Mechanical Engineers
Paper No: DETC2020-22468
https://doi.org/10.1115/DETC2020-22468
View Paper titled, A New Approach to Solution of Time-Independent One-Dimensional Schrödinger Wave Equation
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Topics: Schrödinger equation, Electromagnetic scattering, Radiation scattering, Scattering (Physics), Computation, Delays, Eigenvalues, Reflection, Time-varying systems, Wells
Proceedings Papers

Computing Natural Frequencies and Mode Shapes of an Axially Moving Non-Uniform Beam

Alok Sinha
Proc. ASME. IDETC-CIE2020, Volume 7: 32nd Conference on Mechanical Vibration and Noise (VIB), V007T07A033, August 17–19, 2020
Publisher: American Society of Mechanical Engineers
Paper No: DETC2020-22073
https://doi.org/10.1115/DETC2020-22073
View Paper titled, Computing Natural Frequencies and Mode Shapes of an Axially Moving Non-Uniform Beam
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Topics: Mode shapes, Algorithms, Cross section (Physics), Galerkin method, Materials properties, Partial differential equations, Stability, Time-varying systems
Journal Articles

A New Approach to Compute Natural Frequencies and Mode Shapes of One-Dimensional Continuous Structures With Arbitrary Nonuniformities

Alok Sinha
Journal: Journal of Computational and Nonlinear Dynamics
Publisher: ASME
Article Type: Research-Article
J. Comput. Nonlinear Dynam. November 2020, 15(11): 111004.
Paper No: CND-20-1010
https://doi.org/10.1115/1.4048360
Published Online: September 28, 2020
View Article titled, A New Approach to Compute Natural Frequencies and Mode Shapes of One-Dimensional Continuous Structures With Arbitrary Nonuniformities
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Topics: Mode shapes, Vibration, Boundary-value problems
Journal Articles

Estimation of Forcing Function, Mistuning, and Modal Damping in a Bladed Rotor

Arjun Singh Chauhan, Alok Sinha
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2020, 142(5): 051001.
Paper No: GTP-19-1435
https://doi.org/10.1115/1.4045086
Published Online: February 14, 2020
View Article titled, Estimation of Forcing Function, Mistuning, and Modal Damping in a Bladed Rotor
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Topics: Blades, Damping, Errors, Kalman filters, Noise (Sound), Rotors, Vibration, Algorithms, Steady state, Transients (Dynamics)
Proceedings Papers

Control of Cold Plate Temperature in a Pumped Two Phase Flow

Alok Sinha, Larry W. Byrd
Proc. ASME. IMECE2019, Volume 8: Heat Transfer and Thermal Engineering, V008T09A067, November 11–14, 2019
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2019-10651
https://doi.org/10.1115/IMECE2019-10651
View Paper titled, Control of Cold Plate Temperature in a Pumped Two Phase Flow
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Topics: Temperature, Two-phase flow, Algorithms, Feedback, Flow (Dynamics), Computer simulation, Cooling systems, Heat, Heat transfer coefficients, Momentum
Proceedings Papers

A New Approach to Compute Natural Frequencies and Mode Shapes of Non-Uniform Continuous Bar, Circular Shaft and Beam Vibration

Alok Sinha
Proc. ASME. IDETC-CIE2019, Volume 8: 31st Conference on Mechanical Vibration and Noise, V008T10A071, August 18–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: DETC2019-97263
https://doi.org/10.1115/DETC2019-97263
View Paper titled, A New Approach to Compute Natural Frequencies and Mode Shapes of Non-Uniform Continuous Bar, Circular Shaft and Beam Vibration
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Topics: Mode shapes, Vibration, Finite element methods, Materials properties, Numerical analysis, Structures, Time-varying systems, Wave equations
Proceedings Papers

Estimation of Forcing Function, Mistuning and Modal Damping in a Bladed Rotor

Arjun Singh Chauhan, Alok Sinha
Proc. ASME. GT2019, Volume 7A: Structures and Dynamics, V07AT30A002, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-90262
https://doi.org/10.1115/GT2019-90262
View Paper titled, Estimation of Forcing Function, Mistuning and Modal Damping in a Bladed Rotor
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Topics: Damping, Rotors, Vibration, Kalman filters, Blades, Parameter estimation, Steady state, Transients (Dynamics)
Proceedings Papers

Input Shaping for Vibratory Systems Using Deadbeat State Feedback Control

Alok Sinha
Proc. ASME. IDETC-CIE2018, Volume 8: 30th Conference on Mechanical Vibration and Noise, V008T10A053, August 26–29, 2018
Publisher: American Society of Mechanical Engineers
Paper No: DETC2018-85398
https://doi.org/10.1115/DETC2018-85398
View Paper titled, Input Shaping for Vibratory Systems Using Deadbeat State Feedback Control
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Topics: State feedback, Algorithms, Flexible structures, Uncertainty
Journal Articles

Vibration Absorbers for a Mistuned Bladed Disk

Alok Sinha
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research-Article
J. Vib. Acoust. October 2018, 140(5): 051002.
Paper No: VIB-16-1400
https://doi.org/10.1115/1.4039539
Published Online: April 16, 2018
View Article titled, Vibration Absorbers for a Mistuned Bladed Disk
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Topics: Disks, Excitation, Resonance, Vibration absorbers, Blades, Engines, Stiffness, Simulation, Vibration, Design
Journal Articles

Estimation of Forcing Functions on a Mistuned Bladed Rotor From Harmonic Response

Alok Sinha
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2018, 140(5): 052503.
Paper No: GTP-17-1446
https://doi.org/10.1115/1.4038183
Published Online: November 28, 2017
View Article titled, Estimation of Forcing Functions on a Mistuned Bladed Rotor From Harmonic Response
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Topics: Blades, Noise (Sound), Rotors, Kalman filters, Errors
Journal Articles

Optimal Vibration Absorber With a Friction Damper

Alok Sinha, Krishna T. Trikutam
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research-Article
J. Vib. Acoust. April 2018, 140(2): 021015.
Paper No: VIB-17-1247
https://doi.org/10.1115/1.4038272
Published Online: November 10, 2017
View Article titled, Optimal Vibration Absorber With a Friction Damper
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Topics: Dampers, Friction, Vibration absorbers, Stress
Proceedings Papers

Estimation of Forcing Functions on a Mistuned Bladed Rotor From Harmonic Response

Alok Sinha
Proc. ASME. GT2017, Volume 7A: Structures and Dynamics, V07AT30A008, June 26–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: GT2017-65045
https://doi.org/10.1115/GT2017-65045
View Paper titled, Estimation of Forcing Functions on a Mistuned Bladed Rotor From Harmonic Response
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Topics: Rotors, Errors, Frequency response, Kalman filters, Noise (Sound), Robustness
Journal Articles

Hydropower Plant Load Frequency Control Via Second-Order Sliding Mode

Xibei Ding, Alok Sinha
Journal: Journal of Dynamic Systems, Measurement, and Control
Publisher: ASME
Article Type: Technical Briefs
J. Dyn. Sys., Meas., Control. July 2017, 139(7): 074503.
Paper No: DS-16-1313
https://doi.org/10.1115/1.4035744
Published Online: May 10, 2017
View Article titled, Hydropower Plant Load Frequency Control Via Second-Order Sliding Mode
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Topics: Control equipment, Hydroelectric power stations, Sliding mode control, Robustness, Algorithms, Simulation results, Stress
Proceedings Papers

Frictional Damping of Flutter: Microslip Versus Macroslip

Robert B. Hudson, Alok Sinha
Proc. ASME. IDETC-CIE2016, Volume 8: 28th Conference on Mechanical Vibration and Noise, V008T10A025, August 21–24, 2016
Publisher: American Society of Mechanical Engineers
Paper No: DETC2016-60423
https://doi.org/10.1115/DETC2016-60423
View Paper titled, Frictional Damping of Flutter: Microslip Versus Macroslip
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Topics: Damping, Flutter (Aerodynamics), Blades, Dampers, Friction, Turbomachinery, Vibration