Adaptive control of dual-stage actuator for hard disk drives

M. Kobayashi; S. Nakagawa; H. Numasato

doi:10.23919/acc.2004.1383656

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JOURNAL ARTICLE

Adaptive control of dual-stage actuator for hard disk drives

M. Kobayashi S. Nakagawa H. Numasato

Year: 2004 Pages: 523-528 vol.1

DOI: 10.23919/acc.2004.1383656

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Abstract

The design and implementation of adaptive LS estimation and fault recovery procedure for PZT-actuated milli-actuator were presented. We confirmed that the adaptive estimation method identified the milli-actuator DC-gain precisely and the fault recovery procedure detected the degradation of milli-actuator gain during track-following data reading/writing operation.

Keywords:

Actuator Fault (geology) Computer science Degradation (telecommunications) Control theory (sociology) Dual (grammatical number) Track (disk drive) Adaptive control Control engineering Control (management) Engineering Artificial intelligence

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Physical Sciences → Engineering → Control and Systems Engineering

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Physical Sciences → Engineering → Mechanics of Materials

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Physical Sciences → Engineering → Mechanical Engineering

Adaptive control of dual-stage actuator for hard disk drives

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