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Journal Articles

High-Precision Trajectory Tracking Control of a Multifrequency Whirling Orbit Using Adaptive Feedforward Cancellation for the Efficient Experimental Estimation of Fluid Force

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Atsuhiro Ota, Shota Yabui, Tsuyoshi Inoue, Akira Heya
Journal: Journal of Dynamic Systems, Measurement, and Control
Publisher: ASME
Article Type: Technical Briefs
J. Dyn. Sys., Meas., Control. December 2022, 144(12): 124501.
Paper No: DS-22-1089
https://doi.org/10.1115/1.4055590
Published Online: September 27, 2022
View Articletitled, High-Precision Trajectory Tracking Control of a Multifrequency Whirling Orbit Using Adaptive Feedforward Cancellation for the Efficient Experimental Estimation of Fluid Force
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Topics: Feedforward control, Fluids, Rotors, Tracking control, Whirls, Control systems, Rotation, Design
Journal Articles

Numerical Evaluation and High-Speed Rotating Test on Circular Arc Spring Dampers for Centrifugal Compressors

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Ryota Takeuchi, Hidetsugu Ishimaru, Hideaki Yamashita, Takahiko Inoue, Shota Yabui, Tsuyoshi Inoue
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2021, 143(12): 121006.
Paper No: GTP-21-1342
https://doi.org/10.1115/1.4051986
Published Online: October 4, 2021
View Articletitled, Numerical Evaluation and High-Speed Rotating Test on Circular Arc Spring Dampers for Centrifugal Compressors
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Topics: Bearings, Cavitation, Compressors, Dampers, Damping, Excitation, Fluids, Springs, Pressure, Stiffness
Proceedings Papers

Numerical Evaluation and High-Speed Rotating Test on Circular Arc Spring Dampers for Centrifugal Compressors

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Ryota Takeuchi, Hidetsugu Ishimaru, Hideaki Yamashita, Takahiko Inoue, Shota Yabui, Tsuyoshi Inoue
Proc. ASME. GT2021, Volume 9A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Design and Engineering, V09AT24A012, June 7–11, 2021
Publisher: American Society of Mechanical Engineers
Paper No: GT2021-58979
https://doi.org/10.1115/GT2021-58979
View Paper titled, Numerical Evaluation and High-Speed Rotating Test on Circular Arc Spring Dampers for Centrifugal Compressors
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Topics: Compressors, Dampers, Springs, Bearings, Damping, Evaluation methods, Fluid films, Rotors, Stability, Cavitation
Journal Articles

Experimental Evaluation of Dynamic Characteristics of Circular Arc Spring Dampers for Rotating Machinery

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Ryota Takeuchi, Hidetsugu Ishimaru, Hideaki Yamashita, Shota Yabui, Tsuyoshi Inoue
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2021, 143(6): 061008.
Paper No: GTP-20-1481
https://doi.org/10.1115/1.4049164
Published Online: March 15, 2021
View Articletitled, Experimental Evaluation of Dynamic Characteristics of Circular Arc Spring Dampers for Rotating Machinery
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Topics: Dampers, Damping, Machinery, Shock absorbers, Springs, Stiffness, Excitation, Clearances (Engineering)
Journal Articles

Evaluation of Relationship Between Shape of a Rigid Body Unifilar Centrifugal Pendulum Vibration Absorber and Vibration Suppression Performance

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Tsuyoshi Inoue, Ryota Okumura, Shota Yabui, Xiangyu Jiang
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research Papers
J. Vib. Acoust. June 2021, 143(3): 031014.
Paper No: VIB-20-1119
https://doi.org/10.1115/1.4050273
Published Online: March 11, 2021
View Articletitled, Evaluation of Relationship Between Shape of a Rigid Body Unifilar Centrifugal Pendulum Vibration Absorber and Vibration Suppression Performance
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Topics: Computer simulation, Dynamics (Mechanics), Frequency response, Inertia (Mechanics), Pendulums, Rotors, Shapes, Vibration, Vibration absorbers, Vibration suppression
Journal Articles

Track-Following Controller Design Using an Active Magnetic Bearing for Measurement of the Rotor Dynamics Coefficient of the Annular Seal

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Shota Yabui, Hideyuki Inoue, Tsuyoshi Inoue
Journal: Journal of Dynamic Systems, Measurement, and Control
Publisher: ASME
Article Type: Research-Article
J. Dyn. Sys., Meas., Control. June 2021, 143(6): 061003.
Paper No: DS-19-1512
https://doi.org/10.1115/1.4049542
Published Online: February 1, 2021
View Articletitled, Track-Following Controller Design Using an Active Magnetic Bearing for Measurement of the Rotor Dynamics Coefficient of the Annular Seal
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Topics: Control equipment, Control systems, Design, Measurement systems, Rotordynamics, Magnetic bearings, Frequency response, Whirls, Signals, Errors
Proceedings Papers

Experimental Evaluation of Dynamic Characteristics of Circular Arc Spring Dampers for Rotating Machinery

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Ryota Takeuchi, Hidetsugu Ishimaru, Hideaki Yamashita, Shota Yabui, Tsuyoshi Inoue
Proc. ASME. GT2020, Volume 10B: Structures and Dynamics, V10BT29A014, September 21–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: GT2020-15113
https://doi.org/10.1115/GT2020-15113
View Paper titled, Experimental Evaluation of Dynamic Characteristics of Circular Arc Spring Dampers for Rotating Machinery
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Topics: Dampers, Machinery, Springs, Damping, Design, Electrical discharge machining, Excitation, Fluid films, Shock absorbers, Vibration
Journal Articles

Analysis of Whirling Vibration Due to Morton Effect by Using Frequency Transfer Function Model in Journal Bearings

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Shota Yabui, Jotaro Chiba, Takafumi Suzuki, Shigeyuki Tomimatsu, Tsuyoshi Inoue
Journal: Journal of Dynamic Systems, Measurement, and Control
Publisher: ASME
Article Type: Research-Article
J. Dyn. Sys., Meas., Control. April 2020, 142(4): 041010.
Paper No: DS-19-1340
https://doi.org/10.1115/1.4046105
Published Online: February 11, 2020
View Articletitled, Analysis of Whirling Vibration Due to Morton Effect by Using Frequency Transfer Function Model in Journal Bearings
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Topics: Journal bearings, Transfer functions, Vibration, Frequency response, Modeling, Displacement
Proceedings Papers

Transfer Function Modeling and Experimental Variation of Rotor System Considering Morton Effect Caused in Journal Bearing

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Shota Yabui, Jotaro Chiba, Takafumi Suzuki, Shigeyuki Tomimatsu, Tsuyoshi Inoue
Proc. ASME. GT2019, Volume 7A: Structures and Dynamics, V07AT33A008, June 17–21, 2019
Publisher: American Society of Mechanical Engineers
Paper No: GT2019-91135
https://doi.org/10.1115/GT2019-91135
View Paper titled, Transfer Function Modeling and Experimental Variation of Rotor System Considering Morton Effect Caused in Journal Bearing
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Topics: Journal bearings, Modeling, Rotors, Transfer functions, Vibration, Machinery, Computational fluid dynamics, Frequency response, Computer simulation, Construction
Journal Articles

Development of Adaptive Feed-Forward Cancellation With Frequency Estimation Algorithm for Compensation of Periodic Disturbance at Arbitrary Frequency

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Shota Yabui, Tsuyoshi Inoue
Journal: Journal of Dynamic Systems, Measurement, and Control
Publisher: ASME
Article Type: Research-Article
J. Dyn. Sys., Meas., Control. December 2019, 141(12): 121014.
Paper No: DS-18-1562
https://doi.org/10.1115/1.4044719
Published Online: October 7, 2019
View Articletitled, Development of Adaptive Feed-Forward Cancellation With Frequency Estimation Algorithm for Compensation of Periodic Disturbance at Arbitrary Frequency
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Topics: Algorithms, Feedforward control, Signals, Vibration, Feedback, Control systems, Errors, Whirls, Transfer functions, Design
Journal Articles

Development of a Measurement System for Analyzing Periodic External Forces Acting on Rotating Machineries

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Shota Yabui, Tsuyoshi Inoue
Journal: Journal of Dynamic Systems, Measurement, and Control
Publisher: ASME
Article Type: Research-Article
J. Dyn. Sys., Meas., Control. October 2019, 141(10): 101008.
Paper No: DS-18-1464
https://doi.org/10.1115/1.4043759
Published Online: June 13, 2019
View Articletitled, Development of a Measurement System for Analyzing Periodic External Forces Acting on Rotating Machineries
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Topics: Algorithms, Control equipment, Control systems, Feedback, Feedforward control, Measurement systems, Frequency response, Magnetic bearings, Errors, Machinery
Proceedings Papers

Development of Experimental Active Magnetic Bearing Device for Measurement of Mechanical Seal Reaction Force Acting on Rotor

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Hiroki Manabe, Shota Yabui, Hideyuki Inoue, Tsuyoshi Inoue
Proc. ASME. IDETC-CIE2018, Volume 6: 14th International Conference on Multibody Systems, Nonlinear Dynamics, and Control, V006T09A042, August 26–29, 2018
Publisher: American Society of Mechanical Engineers
Paper No: DETC2018-85883
https://doi.org/10.1115/DETC2018-85883
View Paper titled, Development of Experimental Active Magnetic Bearing Device for Measurement of Mechanical Seal Reaction Force Acting on Rotor
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Topics: Magnetic bearings, Rotors, Fluids, Whirls, Force measurement, Anisotropy, Bearings, Gravity (Force), Hydrodynamics, Leakage
Proceedings Papers

Development of Active Magnetic Bearing System Using Adaptive Feedforward Cancellation for Compensation and Analysis of External Forces in Rotating Machinery

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Shota Yabui, Tsuyoshi Inoue
Proc. ASME. IDETC-CIE2018, Volume 5B: 42nd Mechanisms and Robotics Conference, V05BT07A019, August 26–29, 2018
Publisher: American Society of Mechanical Engineers
Paper No: DETC2018-85754
https://doi.org/10.1115/DETC2018-85754
View Paper titled, Development of Active Magnetic Bearing System Using Adaptive Feedforward Cancellation for Compensation and Analysis of External Forces in Rotating Machinery
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Topics: Feedforward control, Machinery, Magnetic bearings, Dynamics (Mechanics), Journal bearings, Rotors
Journal Articles

Finite Element Analysis and Experimental Validation of Transfer Function of Rotating Shaft System With Both an Open Crack and Anisotropic Support Stiffness

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Qiang Yao, Tsuyoshi Inoue, Shota Yabui
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research-Article
J. Vib. Acoust. April 2019, 141(2): 021002.
Paper No: VIB-18-1164
https://doi.org/10.1115/1.4041078
Published Online: October 16, 2018
View Articletitled, Finite Element Analysis and Experimental Validation of Transfer Function of Rotating Shaft System With Both an Open Crack and Anisotropic Support Stiffness
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Topics: Anisotropy, Disks, Fracture (Materials), Stiffness, Transfer functions, Vibration, Excitation, Resonance, Rotors
Journal Articles

Nonlinear Analysis for Influence of Parametric Uncertainty on the Stability of Rotor System With Active Magnetic Bearing Using Feedback Linearization

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Junya Kato, Tsuyoshi Inoue, Kentaro Takagi, Shota Yabui
Journal: Journal of Computational and Nonlinear Dynamics
Publisher: ASME
Article Type: Research-Article
J. Comput. Nonlinear Dynam. July 2018, 13(7): 071004.
Paper No: CND-17-1531
https://doi.org/10.1115/1.4040128
Published Online: May 28, 2018
View Articletitled, Nonlinear Analysis for Influence of Parametric Uncertainty on the Stability of Rotor System With Active Magnetic Bearing Using Feedback Linearization
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Topics: Equilibrium (Physics), Feedback, Magnetic bearings, Stability, Uncertainty, Rotors
Proceedings Papers

Active Vibration Control Based on Self-Sensing for Unknown Target Structures by Direct Velocity Feedback With Adaptive Feed-Forward Cancellation

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Shota Yabui, Itsuro Kajiwara, Ryohei Okita
Proc. ASME. DSCC2013, Volume 1: Aerial Vehicles; Aerospace Control; Alternative Energy; Automotive Control Systems; Battery Systems; Beams and Flexible Structures; Biologically-Inspired Control and its Applications; Bio-Medical and Bio-Mechanical Systems; Biomedical Robots and Rehab; Bipeds and Locomotion; Control Design Methods for Adv. Powertrain Systems and Components; Control of Adv. Combustion Engines, Building Energy Systems, Mechanical Systems; Control, Monitoring, and Energy Harvesting of Vibratory Systems, V001T15A015, October 21–23, 2013
Publisher: American Society of Mechanical Engineers
Paper No: DSCC2013-4014
https://doi.org/10.1115/DSCC2013-4014
View Paper titled, Active Vibration Control Based on Self-Sensing for Unknown Target Structures by Direct Velocity Feedback With Adaptive Feed-Forward Cancellation
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Topics: Feedback, Feedforward control, Vibration control, Resonance, Vibration control equipment, Actuators, Adaptive control, Algorithms, Simulation results