Modeling the Smpled-data System with a discontinuous Hold for Hard Disk Ramp Loading

Author

Liu, Kexiu ; Ding, MingZhong ; Ooi, KianKeong ; Cao, Shuyu

Author_Institution

Seagate Technol. Int., Singapore

fYear

2006

fDate

5-8 Dec. 2006

Firstpage

1

Lastpage

6

Abstract

This paper deals with modeling of the hard disk ramp loading with a discontinuous controller. The property of the sampled-data system with a discontinuous hold is studied. Further, explicit expression of the discrete-time transfer function of sampled-data systems with a discontinuous hold is provided for a class of continuous time plant. It is shown that with discontinuous hold, the hard disk plant sampled-time model is minimum-phase instead of non-minimum phase if with zero-order hold

Keywords

continuous time systems; discrete time systems; hard discs; robust control; sampled data systems; transfer functions; continuous time plant; discontinuous controller; discrete-time transfer function; hard disk ramp loading; robust control; sampled-data system; Coils; Current measurement; Data systems; Hard disks; Paper technology; Robust control; Sampling methods; Transfer functions; Velocity control; Velocity measurement; hard disk; modeling; robust control; sampled data system;

fLanguage

English

Publisher

ieee

Conference_Titel

Control, Automation, Robotics and Vision, 2006. ICARCV '06. 9th International Conference on

Conference_Location

Singapore

Print_ISBN

1-4244-0341-3

Electronic_ISBN

1-4214-042-1

Type

conf

DOI

10.1109/ICARCV.2006.345436

Filename

4150383