Design and Analysis of Servo Controller in Triple-Stage Hard Disk Drive Servo System

被引：0
|
作者：
Rahman, Md. Arifur [1 ]
Hossain, Alamgir [1 ]
机构：
[1] Dhaka Univ Engn & Technol, Dept Elect & Elect Engn, Gazipur, Bangladesh
来源：
2017 2ND INTERNATIONAL CONFERENCE ON ELECTRICAL & ELECTRONIC ENGINEERING (ICEEE) | 2017年
关键词：
HDD; VCM; PZT; TPC; Triple-stage; FLYING-HEIGHT CONTROL; POLE-TIP PROTRUSION; SLIDER;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Currently in a hard disk drive (HDD), a voice coil motor (VCM) actuator is used as the primary stage and a piezoelectric actuator is used as the secondary stage of a head positioning control in (x-y) lateral direction. To achieve the future generation high capacity HDDs, the 'Thermal Fly-height Control' (TFC) slider is employed as 'Thermal Position Control' (TPC) slider. This TPC slider is used as the tertiary stage to control the R/W head in the lateral direction. In this paper, the feasibility of using the TPC slider as a tertiary actuator in a triple-stage HDD is studied through extensive simulation analysis using MATLAB/Simulink. Besides, comparative analysis with dual-stage and single-stage hard disk drive is done. Simulation results substantiate the effectiveness of the triple-stage servo system.
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页数：4
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