Discrete-time H2 optimal reset control with application to HDD track-following

Author

Li, Hui ; Du, Chunling ; Wang, Youyi

Author_Institution

Sch. of Electr. & Electron. Eng., Nanyang Technol. Univ., Singapore, Singapore

fYear

2009

fDate

17-19 June 2009

Firstpage

3613

Lastpage

3617

Abstract

This paper proposes a design method of discrete-time reset control systems with the reset time instants pre-specified. With a base linear system designed conventionally, the discrete-time reset law design aims at improving disturbance suppression of the system. The design method can be converted to a standard H₂ optimal control problem and the solution of the controller is obtained by solving Riccati equations. The proposed reset controller design method is applied to track following stage of a hard disk drive servo system.

Keywords

H^infin control; Riccati equations; control system synthesis; disc drives; discrete time systems; hard discs; servomechanisms; H₂ optimal control problem; HDD track-following; Riccati equations; base linear system; discrete-time reset control systems; disturbance suppression; hard disk drive servo system; reset controller design method; Control design; Control systems; Design methodology; Hard disks; Hydrogen; Linear systems; Optimal control; Riccati equations; Servomechanisms; Stability; H2 control; disturbance rejection; hard disk drives; optimal reset control;

fLanguage

English

Publisher

ieee

Conference_Titel

Control and Decision Conference, 2009. CCDC '09. Chinese

Conference_Location

Guilin

Print_ISBN

978-1-4244-2722-2

Electronic_ISBN

978-1-4244-2723-9

Type

conf

DOI

10.1109/CCDC.2009.5192787

Filename

5192787