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Proceedings Papers

Scratch Detection on Hard Disk Drive Media to Reduce Head Disk Interaction and Prevent Data Loss

Karthik Venkatesh, Abhishek Srivastava, Rahul Rai, Bernhard Knigge
Proc. ASME. ISPS2021, ASME 2021 30th Conference on Information Storage and Processing Systems, V001T02A007, June 2–3, 2021
Publisher: American Society of Mechanical Engineers
Paper No: ISPS2021-65295
https://doi.org/10.1115/ISPS2021-65295
View Paper titled, Scratch Detection on Hard Disk Drive Media to Reduce Head Disk Interaction and Prevent Data Loss
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Topics: Disks, Delamination, Horizontal directional drilling, Modeling, Parameter estimation
Proceedings Papers

Computational and Experimental Investigation of Contact Detect Response of a Head-Integrated Thermistor on HAMR vs. PMR Media

Manuel C. Anaya-Dufresne, Yixuan Li, M. D. Murthy Peri, James Kiely, Michael T. Johnson, Kent Bodurtha, Matthew Carper
Proc. ASME. ISPS2021, ASME 2021 30th Conference on Information Storage and Processing Systems, V001T05A004, June 2–3, 2021
Publisher: American Society of Mechanical Engineers
Paper No: ISPS2021-66171
https://doi.org/10.1115/ISPS2021-66171
View Paper titled, Computational and Experimental Investigation of Contact Detect Response of a Head-Integrated Thermistor on HAMR vs. PMR Media
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Topics: Clearances (Engineering), Computer simulation, Disks, Electrical resistance, Heat, Horizontal directional drilling, Magnetic recording, Modeling
Proceedings Papers

Identification of Factors Affecting Disk Drive’s Performance in Data Server by Use of Decision Tree Learning Method

Yi-Ju Liao, Jen-Yuan (James) Chang
Proc. ASME. ISPS2021, ASME 2021 30th Conference on Information Storage and Processing Systems, V001T02A006, June 2–3, 2021
Publisher: American Society of Mechanical Engineers
Paper No: ISPS2021-65277
https://doi.org/10.1115/ISPS2021-65277
View Paper titled, Identification of Factors Affecting Disk Drive’s Performance in Data Server by Use of Decision Tree Learning Method
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Topics: Disks, Horizontal directional drilling, Algorithms, Data centers, Entropy, Experimental analysis, Machinery, Noise (Sound), Resonance, Vibration
Proceedings Papers

Active-Passive Vibration Control for Fans in the Data Server

Han-Sheng Chen, Jen-Yuan (James) Chang
Proc. ASME. ISPS2021, ASME 2021 30th Conference on Information Storage and Processing Systems, V001T03A003, June 2–3, 2021
Publisher: American Society of Mechanical Engineers
Paper No: ISPS2021-65266
https://doi.org/10.1115/ISPS2021-65266
View Paper titled, Active-Passive Vibration Control for Fans in the Data Server
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Topics: Fans, Horizontal directional drilling, Vibration control, Disks, Vibration, Actuators, Analytical methods, Mechatronic devices, Vibration control equipment
Proceedings Papers

Ranking of Thermal Asperity (TA) Interaction During Seeking Under Various Fly-Height Conditions

Abhishek Srivastava, Bernd Lamberts, Ning Li, Bernhard Knigge
Proc. ASME. ISPS2020, ASME 2020 29th Conference on Information Storage and Processing Systems, V001T01A003, June 24–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: ISPS2020-1962
https://doi.org/10.1115/ISPS2020-1962
View Paper titled, Ranking of Thermal Asperity (TA) Interaction During Seeking Under Various Fly-Height Conditions
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Topics: Cylinders, Disks, Engineering standards, Horizontal directional drilling, Theoretical analysis
Proceedings Papers

A Method for Characterizing the Head-Disk Interface Dynamics Near the Touchdown Conditions Using the Magnetic Fly-Height

Rahul Rai, Abhishek Srivastava, Bernhard Knigge, Aravind N. Murthy
Proc. ASME. ISPS2020, ASME 2020 29th Conference on Information Storage and Processing Systems, V001T10A001, June 24–25, 2020
Publisher: American Society of Mechanical Engineers
Paper No: ISPS2020-1961
https://doi.org/10.1115/ISPS2020-1961
View Paper titled, A Method for Characterizing the Head-Disk Interface Dynamics Near the Touchdown Conditions Using the Magnetic Fly-Height
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Topics: Disks, Dynamics (Mechanics), Clearances (Engineering), Horizontal directional drilling, Air bearings, Density, Design, Meteorology, Risk, Signals
Proceedings Papers

A Method to Detect Head Media Spacing Change in a Hard Disk Drive Using an Embedded Contact Sensor

Rahul Rai, Puneet Bhargava, Bernhard Knigge, Aravind N. Murthy
Proc. ASME. ISPS2019, ASME 2019 28th Conference on Information Storage and Processing Systems, V001T01A001, June 27–28, 2019
Publisher: American Society of Mechanical Engineers
Paper No: ISPS2019-7457
https://doi.org/10.1115/ISPS2019-7457
View Paper titled, A Method to Detect Head Media Spacing Change in a Hard Disk Drive Using an Embedded Contact Sensor
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Topics: Disks, Sensors, Clearances (Engineering), Contamination, Dynamic response, Failure, Horizontal directional drilling, Wear
Proceedings Papers

Effect of Humidity on the Nanoscale Heat Transfer at the Head-Media Interface

Qilong Cheng, Yuan Ma, David Bogy
Proc. ASME. ISPS2019, ASME 2019 28th Conference on Information Storage and Processing Systems, V001T03A004, June 27–28, 2019
Publisher: American Society of Mechanical Engineers
Paper No: ISPS2019-7449
https://doi.org/10.1115/ISPS2019-7449
View Paper titled, Effect of Humidity on the Nanoscale Heat Transfer at the Head-Media Interface
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Topics: Nanoscale heat transfer, Heat transfer, Water, Heat, Magnetic recording, Air bearings, Clearances (Engineering), Cooling, Design, Disks
Proceedings Papers

Impact of Shallow Void Corrosion on HDD Initialization Failures

Abhishek Srivastava, Tom O’Dell, Istvan Boszormenyi
Proc. ASME. ISPS-MIPE2018, ASME-JSME 2018 Joint International Conference on Information Storage and Processing Systems and Micromechatronics for Information and Precision Equipment, V001T01A009, August 29–30, 2018
Publisher: American Society of Mechanical Engineers
Paper No: ISPS-MIPE2018-8583
https://doi.org/10.1115/ISPS-MIPE2018-8583
View Paper titled, Impact of Shallow Void Corrosion on HDD Initialization Failures
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Topics: Corrosion, Failure, Horizontal directional drilling, Reliability, Contamination, Poles (Building), Risk, Servomechanisms, Thin films
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

Control of Dual-Stage HDDs With Enhanced Repetitive Disturbance Rejection

Shiying Zhou, Minghui Zheng, Xu Chen, Masayoshi Tomizuka
Proc. ASME. ISPS2017, ASME 2017 Conference on Information Storage and Processing Systems, V001T03A002, August 29–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: ISPS2017-5432
https://doi.org/10.1115/ISPS2017-5432
View Paper titled, Control of Dual-Stage HDDs With Enhanced Repetitive Disturbance Rejection
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Topics: Data centers, Data storage systems, Disks, Errors, Horizontal directional drilling, Laptop computers, Nanoscale phenomena, Storage
Proceedings Papers

A Transient Performance Enhancement Scheme for Dual-Stage Actuated HDD Servo System

Can-Can Jin, Bao-Jun Shi, Ya-Ru Sun, Kai Guo, Shi-Peng Hao
Proc. ASME. ISPS2017, ASME 2017 Conference on Information Storage and Processing Systems, V001T03A001, August 29–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: ISPS2017-5426
https://doi.org/10.1115/ISPS2017-5426
View Paper titled, A Transient Performance Enhancement Scheme for Dual-Stage Actuated HDD Servo System
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Topics: Horizontal directional drilling, Servomechanisms, Transients (Dynamics), Feedback, Resonance, Actuators, Composite materials, Engines, Filters, Microactuators
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

Head Disk Spacing Effect on Heat Transfer in Heat Assisted Magnetic Recording

Shaomin Xiong, Erhard Schreck, Sripathi Canchi
Proc. ASME. ISPS2017, ASME 2017 Conference on Information Storage and Processing Systems, V001T01A009, August 29–30, 2017
Publisher: American Society of Mechanical Engineers
Paper No: ISPS2017-5437
https://doi.org/10.1115/ISPS2017-5437
View Paper titled, Head Disk Spacing Effect on Heat Transfer in Heat Assisted Magnetic Recording
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Topics: Disks, Heat, Heat transfer, Magnetic recording, Nanoscale phenomena, Heating, Horizontal directional drilling
Proceedings Papers

Improved Feed-Forward Control in Track Seeking Using Iterative Learning Control

Omid Bagherieh, Roberto Horowitz
Proc. ASME. ISPS2016, ASME 2016 Conference on Information Storage and Processing Systems, V001T03A002, June 20–21, 2016
Publisher: American Society of Mechanical Engineers
Paper No: ISPS2016-9540
https://doi.org/10.1115/ISPS2016-9540
View Paper titled, Improved Feed-Forward Control in Track Seeking Using Iterative Learning Control
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Topics: Feedforward control, Iterative learning control, Trajectories (Physics), Actuators, Algorithms, Horizontal directional drilling
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

Modeling and Simulation for Head/Disk Electromechanical Systems Interface During Load/Unload Process of a Hard Disk Drive

Nasim Mirnateghi, Sandip D. Kulkarni, JiangHong Ding, Ashok Desai
Proc. ASME. ISPS2016, ASME 2016 Conference on Information Storage and Processing Systems, V001T01A022, June 20–21, 2016
Publisher: American Society of Mechanical Engineers
Paper No: ISPS2016-9625
https://doi.org/10.1115/ISPS2016-9625
View Paper titled, Modeling and Simulation for Head/Disk Electromechanical Systems Interface During Load/Unload Process of a Hard Disk Drive
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Topics: Disks, Electromechanical systems, Modeling, Simulation, Stress, Design, Engines, Horizontal directional drilling, Motors, Reliability
Proceedings Papers

Enhanced Indirect-Driven Self-Sensing Actuation for Piezoelectric Structures

Bin Hu, Jie Wan, Chee Khiang Pang, Fan Hong, Jern Khang Tan
Proc. ASME. ISPS2016, ASME 2016 Conference on Information Storage and Processing Systems, V001T02A001, June 20–21, 2016
Publisher: American Society of Mechanical Engineers
Paper No: ISPS2016-9505
https://doi.org/10.1115/ISPS2016-9505
View Paper titled, Enhanced Indirect-Driven Self-Sensing Actuation for Piezoelectric Structures
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Topics: Disks, Horizontal directional drilling, Servomechanisms, Topology
Proceedings Papers

DSP Implementation of a Direct Adaptive Feedforward Control Algorithm for Rejecting Repeatable Runout in Hard Disk Drives

Jinwen Pan, Prateek Shah, Roberto Horowitz
Proc. ASME. ISPS2016, ASME 2016 Conference on Information Storage and Processing Systems, V001T07A017, June 20–21, 2016
Publisher: American Society of Mechanical Engineers
Paper No: ISPS2016-9615
https://doi.org/10.1115/ISPS2016-9615
View Paper titled, DSP Implementation of a Direct Adaptive Feedforward Control Algorithm for Rejecting Repeatable Runout in Hard Disk Drives
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Topics: Algorithms, Disks, Feedforward control, Signals, Computation, Horizontal directional drilling, Matlab, Simulation
Proceedings Papers

Viscoelastic Effects on Lubricant Depletion and Recovery Under Heat-Assisted Magnetic Recording (HAMR) Conditions

Soroush Sarabi, David B. Bogy
Proc. ASME. ISPS2016, ASME 2016 Conference on Information Storage and Processing Systems, V001T01A009, June 20–21, 2016
Publisher: American Society of Mechanical Engineers
Paper No: ISPS2016-9578
https://doi.org/10.1115/ISPS2016-9578
View Paper titled, Viscoelastic Effects on Lubricant Depletion and Recovery Under Heat-Assisted Magnetic Recording (HAMR) Conditions
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Topics: Heat, Lubricants, Magnetic recording, Relaxation (Physics), Viscosity, Lasers, Temperature, Viscoelasticity, Disks, Finite element methods