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Aerodynamic Pressure Fluctuations Associated With Flow-Induced Vibration of the Head Gimbals Assembly Inside a Hard Disk Drive
This paper presents an experimental investigation and numerical simulation on the spectrum-spatial characteristics of aerodynamic pressure fluctuations around the head gimbals assembly (HGA) in aExpand
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Simplified Damage Assessment Method for Buried Structures against External Blast Load
Decoupling of soil-structure interaction is applied to analyze buried structure damage due to external blast load. The structural element under analysis is assumed to deform as a simply supportedExpand
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An experimental study on feedback control of rotating disk flutter
An experimental study is presented in this paper to demonstrate the feedback control of rotating disk flutter. In the experiment, steel disks were rotated between two solid plates and the diskExpand
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Feedback control and optimization for rotating disk flutter suppression with actuator patches
An analytical study is presented on feedback control of rotating disk flutter by using piezoelectric patches as actuators. In this study, a thin disk is rotated in an enclosure, which is equippedExpand
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Active Control of Flow-Induced Vibrations on Slider in Hard Disk Drives by Suppressing Pressure Fluctuations With Virtual Sensing
This paper presents numerical simulations on a feedback active control strategy for flow-induced off-track vibration of a head gimbals assembly (HGA) bearing a slider in hard disk drives (HDDs). InExpand
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Active Control of Flow-Induced Vibrations on Slider in Hard Disk Drives: Experimental Demonstration
This paper presents an experimental demonstration on the active control of flow-induced vibrations on a head gimbals assembly (HGA) bearing a slider in a hard disk drive (HDD). The feedback controlExpand
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Active Control on Flow-Induced Vibration of the Head Gimbals Assembly in Hard Disk Drives
An active control method has been applied for the flow-induced vibration (FIV) of the head gimbals assembly (HGA) in working hard disk drives (HDDs) through suppressing the pressure fluctuationsExpand
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Narrowband Performance of Active Control on Flow-Induced Vibrations Inside Hard Disk Drives
This paper presents an experimental study of digital narrowband active control on the flow-induced vibrations (FIV) on the head gimbals assembly (HGA) in a working hard disk drive (HDD). Firstly, theExpand
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Characterisation of Fe–20Cr–6Al–Y model alloy in supercritical water
Abstract MCrAlY (M = Fe, Ni or Co) alloys belong to a class of coating materials that provide corrosion and oxidation resistance to Fe or Ni based substrate alloys by forming a dense alumina layer onExpand
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Digital Feedback Control of the Flow-Induced Vibrations on the Head Gimbals Assembly in Hard Disk Drives: Design and Implementation
In this paper, a digital feedback control closed-loop is presented for active suppression of flow-induced vibrations on a head gimbals assembly (HGA) in a working hard disk drive (HDD). In thisExpand
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