Active Vibration Control of a Microactuator for the Hard Disk Drive Using Self-Sensing Actuation | Zendy

Minoru Sasaki | Zendy; Yoshihiro Inoué | Zendy; Hiroyuki Yamada | Zendy

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Active Vibration Control of a Microactuator for the Hard Disk Drive Using Self-Sensing Actuation

Author(s) -

Minoru Sasaki,

Yoshihiro Inoué,

Hiroyuki Yamada

Publication year - 2012

Publication title -

smart materials research

Language(s) - English

Resource type - Journals

eISSN - 2090-3561

pISSN - 2090-357X

DOI - 10.1155/2012/920747

Subject(s) - microactuator , actuator , vibration , active suspension , control theory (sociology) , suspension (topology) , position (finance) , mechanism (biology) , materials science , engineering , computer science , control (management) , acoustics , electrical engineering , physics , artificial intelligence , mathematics , finance , quantum mechanics , homotopy , economics , pure mathematics

This paper presents the self-sensing control of a microactuator for hard disk drives. The microactuator uses a PZT actuator pair installed on the suspension assembly. The self-sensing microactuator forms a combined sensing and actuation mechanism. Direct velocity feedback and positive position feedback are used in this paper. Our experimental results show that both strategies are effective in suppressing vibrational modes and successfully demonstrate the feasibility of using a self-sensing actuator on an HDD suspension assembly

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