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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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An active noise barrier with unidirectional secondary sources
An active noise barrier with unidirectional secondary sources is investigated in this paper, where the unidirectional secondary source consists of two closely located loudspeakers with pre-adjustedExpand
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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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Sound absorbers with a micro-perforated panel backed by an array of parallel-arranged sub-cavities at different depths
Abstract This paper presents a type of wide band micro-perforated panel (MPP) absorber with an array of parallel arranged sub-cavities at different depths based on the quadratic residue sequenceExpand
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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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A Compound Micro-perforated Panel Sound Absorber with Partitioned Cavities of Different Depths
Abstract The micro-perforated panel (MPP) sound absorber is becoming a good replacement of conventional porous absorbers in building noise control. The MPP absorber is fiber-free and avoids potentialExpand
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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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FEEDBACK CONTROL OF THE FLOW-INDUCED VI- BRATIONS ON THE MAGNETIC HEAD IN HARD DISK DRIVES: DESIGN AND IMPLEMENTATION
The flow-induced vibration of the head gimbals assembly (HGA) in hard disk drives (HDDs) limits the positioning accuracy of the HDD magnetic head on the tip of HGA for future magnetic recordingExpand