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Development of a Multi-Channel PC-Based Hard Disk Drive Bode-Plot Generator
Singapore December 02-December 04
DOI Bookmark: http://doi.ieeecomputersociety.org/10.1109/ATS.1998.741612Seventh Asian Test Symposium (ATS'98)
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Kin Wee Choo, Data Storage Institute
Guoxiao Guo, Data Storage Institute
Ben M. Chen, The National University of Singapore
A 5-channel generator is developed to obtain the frequency response of a hard disk drive (HDD) by emulating the Bode-plot functions of a Dynamic Signal Analyser (DSA). Written in LabVIEW, it runs on the Windows 95 platform using a standard Wintel PC, a commercial data acquisition (DAQ) board and an external hardware anti-alias filter board. This generator achieves a superior advantage at lower cost through its ability to evaluate the track-following servo loop frequency response of up to five HDDs simultaneously. %in the frequency range from 50Hz to 5kHz. Besides reducing test-time and providing a degree of accuracy comparable to a commercial DSA, it also includes an option to save all acquired data to disk for further analysis with other software engineering packages.
Citation:
Kin Wee Choo, Guoxiao Guo, Ben M. Chen, "Development of a Multi-Channel PC-Based Hard Disk Drive Bode-Plot Generator," ats, pp.184, Seventh Asian Test Symposium (ATS'98), 1998
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