High-Speed Precision Motion Control

Contents

List of Figures

List of Tables

Preface

About the Editors

List of Contributors

Nomenclature

1  Introduction

Takashi Yamaguchi

1.1    Concept of High-Speed Precision Motion Control

1.2    Hard Disk Drives (HDDs)

Bibliography

2  System Modeling and Identification

Hiroshi Uchida, Takashi Yamaguchi, and Hidehiko Numasato

2.1    HDD Servo Systems

2.1.1    Inside an HDD

2.1.2    Generation of Servo Position Signal

2.2    TMR Budget Design

2.3    Modeling of HDD

2.3.1    Introduction

2.3.2    Plant Components

2.3.3    Modeling of Mechanical Dynamics

2.4    Modeling of Disturbances and PES

2.4.1    Disturbances and PES

2.4.2    Decomposition of Steady-State PES

2.4.2.1    RRO and NRRO

2.4.2.2    Frequency Spectrum of NRRO

2.4.2.3    Decomposition ...