Control performance comparison of PZT microactuator driven by voltage and current amplifiers in HDD dual-stage systems

• Main Authors: Gao, Tingting, Du, Chunling, Xie, Lihua
• Other Authors: School of Electrical and Electronic Engineering
• Format: Conference or Workshop Item
• Language: English
• Published: 2013
• Subjects: DRNTU::Engineering::Electrical and electronic engineering
• Online Access: https://hdl.handle.net/10356/96973; http://hdl.handle.net/10220/11737
• Institution: Nanyang Technological University

In this paper, we investigate the effect of voltage and current amplifiers for PZT microactuators on the control performance of dual-stage servo systems in hard disk drives (HDDs), where the PZT microactuator is used as a secondary actuator and works together with the primary actuator of voice coil...