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Proceedings Papers

PES Simulation by Using Surrogate Drive Measurement for a HDD in a Storage Box

Takehiko Eguchi, Yohei Asai, Kazuhide Ichikawa, Shigenori Takada
Proc. ASME. ISPS2017, ASME 2017 Conference on Information Storage and Processing Systems, V001T05A002, August 29–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: ISPS2017-5407
https://doi.org/10.1115/ISPS2017-5407
View Paper titled, PES Simulation by Using Surrogate Drive Measurement for a HDD in a Storage Box
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Topics: Horizontal directional drilling, Simulation, Storage, Vibration, Accelerometers, Boundary-value problems, Errors, Finite element methods, Finite element model, Simulation models
Proceedings Papers

Prediction and Experimental Verification of the Heights of Air-Oil Interfaces in the FDBs in a Tied Shaft of HDDs During Non-Operating Conditions

M. H. Lee, J. H. Lee, K. B. Kim, G. H. Jang
Proc. ASME. ISPS2017, ASME 2017 Conference on Information Storage and Processing Systems, V001T05A003, August 29–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: ISPS2017-5427
https://doi.org/10.1115/ISPS2017-5427
View Paper titled, Prediction and Experimental Verification of the Heights of Air-Oil Interfaces in the FDBs in a Tied Shaft of HDDs During Non-Operating Conditions
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Topics: Atmospheric pressure, Bearings, Clearances (Engineering), Disks, Fluids, Hydrostatic pressure, Pressure
Proceedings Papers

Airborne and Structure-Borne Transmission of High Frequency Fan Vibration in a Storage Box

Takehiko Eguchi, Yohei Asai, Kazuhide Ichikawa, Miki Takada
Proc. ASME. ISPS2017, ASME 2017 Conference on Information Storage and Processing Systems, V001T05A001, August 29–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: ISPS2017-5406
https://doi.org/10.1115/ISPS2017-5406
View Paper titled, Airborne and Structure-Borne Transmission of High Frequency Fan Vibration in a Storage Box
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Topics: Storage, Vibration, Errors, Fans, Horizontal directional drilling, Vibration isolation
Proceedings Papers

Radial Transportation of Particle With a Single-Axis Transducer and the Double Reflectors

Huijuan Dong, Peng Zhang, Panagiotis Papouris
Proc. ASME. ISPS2016, ASME 2016 Conference on Information Storage and Processing Systems, V001T05A002, June 20–21, 2016
Publisher: American Society of Mechanical Engineers
Paper No: ISPS2016-9551
https://doi.org/10.1115/ISPS2016-9551
View Paper titled, Radial Transportation of Particle With a Single-Axis Transducer and the Double Reflectors
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Topics: Optical mirrors, Particulate matter, Transducers, Transportation systems, Acoustics, Biology, Chemistry, Finite element analysis, Levitation, Materials science
Proceedings Papers

Spindle Motor Simulator for Hard Disk Drive: A Design Tool for Predicting Spinup Time and Headroom Safety for High Volume Manufacturing

Sandip D. Kulkarni, Nasim Mirnateghi, JiangHong Ding, Ashok Desai
Proc. ASME. ISPS2016, ASME 2016 Conference on Information Storage and Processing Systems, V001T05A003, June 20–21, 2016
Publisher: American Society of Mechanical Engineers
Paper No: ISPS2016-9626
https://doi.org/10.1115/ISPS2016-9626
View Paper titled, Spindle Motor Simulator for Hard Disk Drive: A Design Tool for Predicting Spinup Time and Headroom Safety for High Volume Manufacturing
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Topics: Design, Disks, Engines, Manufacturing, Motors, Safety, Engine design, Failure mechanisms, Horizontal directional drilling, Particle spin
Proceedings Papers

Effect of the Acoustic Field Geometric Parameters on Planar Array Acoustic Levitator

Huijuan Dong, Peng Zhang, Panagiotis Papouris
Proc. ASME. ISPS2016, ASME 2016 Conference on Information Storage and Processing Systems, V001T05A001, June 20–21, 2016
Publisher: American Society of Mechanical Engineers
Paper No: ISPS2016-9512
https://doi.org/10.1115/ISPS2016-9512
View Paper titled, Effect of the Acoustic Field Geometric Parameters on Planar Array Acoustic Levitator
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Topics: Acoustics, Particulate matter, Computer simulation, Finite element methods, Geometry, Transducers, Transportation systems
Proceedings Papers

Monte Carlo Simulation of the Manufacturing Tolerance of FDBs to Identify the Sensitive Design Variables Affecting the Performance of a Disk-Spindle System

J. H. Lee, M. H. Lee, H. K. Jang, G. H. Jang
Proc. ASME. ISPS2014, 2014 Conference on Information Storage and Processing Systems, V001T05A005, June 23–24, 2014
Publisher: American Society of Mechanical Engineers
Paper No: ISPS2014-6950
https://doi.org/10.1115/ISPS2014-6950
View Paper titled, Monte Carlo Simulation of the Manufacturing Tolerance of FDBs to Identify the Sensitive Design Variables Affecting the Performance of a Disk-Spindle System
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Topics: Design, Disks, Manufacturing, Simulation, Friction, Torque, Journal bearings, Bearings, Clearances (Engineering), Fluids
Proceedings Papers

Robust Hub Design to Prevent Mechanical Contact Between Hub and Sleeve of the FDBs in a 2.5″ HDD With 5mm-Height due to Disc Clamping Force

B. C. Kim, G. H. Jang
Proc. ASME. ISPS2014, 2014 Conference on Information Storage and Processing Systems, V001T05A006, June 23–24, 2014
Publisher: American Society of Mechanical Engineers
Paper No: ISPS2014-6993
https://doi.org/10.1115/ISPS2014-6993
View Paper titled, Robust Hub Design to Prevent Mechanical Contact Between Hub and Sleeve of the FDBs in a 2.5″ HDD With 5mm-Height due to Disc Clamping Force
Open the PDF for Robust Hub Design to Prevent Mechanical Contact Between Hub and Sleeve of the FDBs in a 2.5″ HDD With 5mm-Height due to Disc Clamping Force in another window
Topics: Design, Disks, Horizontal directional drilling, Thrust, Deflection, Dimensions, Mechanical structures
Proceedings Papers

Natural Frequency of Stator Core of PM Synchronous Motor

Yinquan Yu, Chao Bi, Quan Jiang, Song Lin, Nay Lin Htun Aung, A. A. Mamun
Proc. ASME. ISPS2014, 2014 Conference on Information Storage and Processing Systems, V001T05A001, June 23–24, 2014
Publisher: American Society of Mechanical Engineers
Paper No: ISPS2014-6911
https://doi.org/10.1115/ISPS2014-6911
View Paper titled, Natural Frequency of Stator Core of PM Synchronous Motor
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Topics: Motors, Stators, Simulation, Acoustics, Design, Dynamic response, Electromagnetic force, Excitation, Noise (Sound), Poles (Building)
Proceedings Papers

Effect of Additional Harmonics of Driving Current on Torque Ripple and Unbalanced Magnetic Force of the BLDC Motors With Stator and Rotor Eccentricities

S. J. Sung, G. H. Jang, K. J. Kang, J. Y. Song
Proc. ASME. ISPS2014, 2014 Conference on Information Storage and Processing Systems, V001T05A002, June 23–24, 2014
Publisher: American Society of Mechanical Engineers
Paper No: ISPS2014-6913
https://doi.org/10.1115/ISPS2014-6913
View Paper titled, Effect of Additional Harmonics of Driving Current on Torque Ripple and Unbalanced Magnetic Force of the BLDC Motors With Stator and Rotor Eccentricities
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Topics: Magnetic fields, Motors, Rotors, Stators, Torque, Poles (Building), Winding (process)
Proceedings Papers

Stability Analysis of a Whirling Rigid Rotor Supported by FDBs Considering Five Degrees of Freedom of a General Rotor-Bearing System

M. H. Lee, J. H. Lee, G. H. Jang
Proc. ASME. ISPS2014, 2014 Conference on Information Storage and Processing Systems, V001T05A003, June 23–24, 2014
Publisher: American Society of Mechanical Engineers
Paper No: ISPS2014-6932
https://doi.org/10.1115/ISPS2014-6932
View Paper titled, Stability Analysis of a Whirling Rigid Rotor Supported by FDBs Considering Five Degrees of Freedom of a General Rotor-Bearing System
Open the PDF for Stability Analysis of a Whirling Rigid Rotor Supported by FDBs Considering Five Degrees of Freedom of a General Rotor-Bearing System in another window
Topics: Bearings, Degrees of freedom, Rotors, Stability, Whirls, Equations of motion, Algebra, Centrifugal force, Finite element methods, Fluids
Proceedings Papers

Effect of the Cross-Sectional Shape of Recirculation Channel on Expelling Air Bubbles in the FDBs of HDD Spindle Motors

Y. H. Jung, G. H. Jang, C. H. Kang, H. H. Shin, J. Y. Jeong
Proc. ASME. ISPS2014, 2014 Conference on Information Storage and Processing Systems, V001T05A004, June 23–24, 2014
Publisher: American Society of Mechanical Engineers
Paper No: ISPS2014-6933
https://doi.org/10.1115/ISPS2014-6933
View Paper titled, Effect of the Cross-Sectional Shape of Recirculation Channel on Expelling Air Bubbles in the FDBs of HDD Spindle Motors
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Topics: Bubbles, Horizontal directional drilling, Motors, Shapes, Lubricants, Flow (Dynamics), Ball bearings, Bearings, Computers, Design
Proceedings Papers

Behavior of Micron-Sized Air Bubble in Operating FDBs by Using the Discrete Phase Modeling Method

Y. H. Jung, G. H. Jang, K. M. Jung, C. H. Kang, H. H. Shin
Proc. ASME. ISPS2013, ASME 2013 Conference on Information Storage and Processing Systems, V001T05A003, June 24–25, 2013
Publisher: American Society of Mechanical Engineers
Paper No: ISPS2013-2863
https://doi.org/10.1115/ISPS2013-2863
View Paper titled, Behavior of Micron-Sized Air Bubble in Operating FDBs by Using the Discrete Phase Modeling Method
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Topics: Bubbles, Modeling, Lubricants, Bearings, Ball bearings, Computers, Damping, Design, Disks, Engines
Proceedings Papers

Effect of an Hourglass-Shape Tapered Sleeve on the Performance of the Fluid Dynamic Bearings of a HDD Spindle Motor

J. H. Lee, M. H. Lee, G. H. Jang
Proc. ASME. ISPS2013, ASME 2013 Conference on Information Storage and Processing Systems, V001T05A005, June 24–25, 2013
Publisher: American Society of Mechanical Engineers
Paper No: ISPS2013-2870
https://doi.org/10.1115/ISPS2013-2870
View Paper titled, Effect of an Hourglass-Shape Tapered Sleeve on the Performance of the Fluid Dynamic Bearings of a HDD Spindle Motor
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Topics: Bearings, Engines, Fluids, Horizontal directional drilling, Motors, Shapes, Pressure, Surface roughness, Disks, Lubricants
Proceedings Papers

Disk Pack DFM Achieving Minimum Flight Height Variations

Lidu Huang, Chiao-ping Roger Ku, Tony Nguyen, Kevin Gong, Puneet Bhargava, Toshiki Hirano, Fu-Ying Huang
Proc. ASME. ISPS2013, ASME 2013 Conference on Information Storage and Processing Systems, V001T05A006, June 24–25, 2013
Publisher: American Society of Mechanical Engineers
Paper No: ISPS2013-2885
https://doi.org/10.1115/ISPS2013-2885
View Paper titled, Disk Pack DFM Achieving Minimum Flight Height Variations
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Topics: Design for Manufacturing, Disks, Flight, Deformation, Design, Manufacturing, Density, Magnetic heads, Magnetic recording
Proceedings Papers

Noise and Vibration Originated From UMF due to Rotor Eccentricity of the HDD Spindle System

S. J. Sung, G. H. Jang, K. J. Kang
Proc. ASME. ISPS2013, ASME 2013 Conference on Information Storage and Processing Systems, V001T05A007, June 24–25, 2013
Publisher: American Society of Mechanical Engineers
Paper No: ISPS2013-2946
https://doi.org/10.1115/ISPS2013-2946
View Paper titled, Noise and Vibration Originated From UMF due to Rotor Eccentricity of the HDD Spindle System
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Topics: Horizontal directional drilling, Noise (Sound), Rotors, Vibration, Torque, Motors, Acoustics, Disks, Analytical methods, Bearings
Proceedings Papers

Robust Optimal Design of the Magnetizer for a HDD Spindle Motor to Reduce the Harmonic Components of the Cogging Torque

C. J. Lee, G. H. Jang, K. B. Kang, D. H. Choi
Proc. ASME. ISPS2013, ASME 2013 Conference on Information Storage and Processing Systems, V001T05A001, June 24–25, 2013
Publisher: American Society of Mechanical Engineers
Paper No: ISPS2013-2850
https://doi.org/10.1115/ISPS2013-2850
View Paper titled, Robust Optimal Design of the Magnetizer for a HDD Spindle Motor to Reduce the Harmonic Components of the Cogging Torque
Open the PDF for Robust Optimal Design of the Magnetizer for a HDD Spindle Motor to Reduce the Harmonic Components of the Cogging Torque in another window
Topics: Design, Horizontal directional drilling, Motors, Torque, Errors, Magnetization, Manufacturing, Disks, Excitation, Noise (Sound)
Proceedings Papers

Analytical and Numerical Study Rotor Faults in PM Synchronous Motor

Yinquan Yu, Chao Bi, Quan Jiang, Song Lin, Phyu Nu Hla, Nay Lin Htun Aung, A. A. Mamun
Proc. ASME. ISPS2013, ASME 2013 Conference on Information Storage and Processing Systems, V001T05A002, June 24–25, 2013
Publisher: American Society of Mechanical Engineers
Paper No: ISPS2013-2857
https://doi.org/10.1115/ISPS2013-2857
View Paper titled, Analytical and Numerical Study Rotor Faults in PM Synchronous Motor
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Topics: Engines, Motors, Rotors, Horizontal directional drilling, Vibration, Acoustics, Cantilever beams, Density, Dynamics (Mechanics), Noise (Sound)
Proceedings Papers

Vibration Study and Classification of Rotor Faults in PM Synchronous Motor

Yinquan Yu, Chao Bi, Quan Jiang, Song Lin, Nay Lin Htun Aung, A. A. Mamun
Proc. ASME. ISPS2013, ASME 2013 Conference on Information Storage and Processing Systems, V001T05A004, June 24–25, 2013
Publisher: American Society of Mechanical Engineers
Paper No: ISPS2013-2865
https://doi.org/10.1115/ISPS2013-2865
View Paper titled, Vibration Study and Classification of Rotor Faults in PM Synchronous Motor
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Topics: Engines, Motors, Rotors, Vibration, Signals, Acoustics, Design, Fault diagnosis, Horizontal directional drilling, Magnets