Results 201 to 210 of about 7,393 (263)

Design and experimental study of a precision fluid hill-drop planter for maize. [PDF]

PLoS One
Zhang Z, Zhou L, Ji A, Sun Z, Zhu G, Chen X, Pi J, Yang C, Chen H, Yang Z, Tian H.   +10 more
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The Hard Disk Drive Industry in the Philippines

, 1999
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Uncertainty modeling for hard disk drives

2014 American Control Conference, 2014
A modern hard disk drive uses a dual-stage actuator to read/write data on a track with width less than 100nm. The dual-stage actuator requires an advanced controller to achieve high performance on millions of hard disk drives. This paper presents a numerical algorithm utilizing convex optimization to create an uncertainty model, for the purpose of ...
Masanori Honda, Peter J. Seiler
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Hard disk controller: the disk drive's brain and body

Proceedings 2001 IEEE International Conference on Computer Design: VLSI in Computers and Processors. ICCD 2001, 2002
Integration of the hard disk controller (HDC) today has taken on an extensive amount of functionality. From the host interface, error correction code, disk sequencer, microprocessor(s), servo control logic, buffer controller, to the embedded memory, the HDC has become a true system on a chip. Depending on the product, embedded DRAM is used as buffering
James Jeppensen, Walt Allen, Steve Anderson, Michael Pilsl   +3 more
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Assessement of current health of hard disk drives

2009 IEEE International Conference on Automation Science and Engineering, 2009
After investigating several of different degradation signatures that can potentially characterize aging and failure of computer hard disk drives (HDDs), we identified that reported uncorrect, hardware ECC recovered and read write rate parameters can provide good degradation signature for assessing the condition and remaining useful life of HDDs.
Sagar V. Kamarthi, Abe Zeid, Yogesh Bagul   +2 more
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Adaptive-repetitive control of a hard disk drive

2007 46th IEEE Conference on Decision and Control, 2007
This paper presents a control scheme intended to target both the non-repeatable and repeatable runout disturbances affecting the dynamics of a hard disk drive (HDD). The design can be broken up into three stages. The first stage consists of a LTI feedback controller designed using classical techniques.
Néstor Osvaldo Pérez-Arancibia, Chi-Ying Lin, Tsu-Chin Tsao, James Steven Gibson   +3 more
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Survey on energy-efficient hard drive disks

2017 International Conference on Computing, Networking and Communications (ICNC), 2017
Energy consumption has been brought to the forefront in the past decade. Energy efficiency is being considered in all phases of hardware and software design and implementation. High energy consumption is becoming an increasingly large burden for organizations and institutions hosting large-scale computing systems.
Evans Oliech, Xiaojun Ruan
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Impulsive disturbance rejection in hard disk drives

2010 11th International Conference on Control Automation Robotics & Vision, 2010
This paper proposes filtering methods to cancel the impulsive disturbance contained in position error signal (PES) in hard disk drives (HDDs). The impulsive disturbances may be observed as a few single sudden changes or some consecutive changes in PES. The filtering includes impulsive disturbance identification and estimation.
Tingting Gao, Chunling Du, Lihua Xie 0001, Wenjian Cai   +3 more
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Wise drives [hard disk drive]

IEEE Spectrum, 2002
Considers how smarter disk drives could herald speedier data mining, tighten computer security, and improve data storage reliability, but only if drive and computer makers and software designers can agree on new interface standards.
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