A novel robust time-optimal algorithm for servo systems with bias disturbance

被引：7

作者：

Huang, YH ^{[1
]}

Messner, WC ^{[1
]}

机构：

[1] Carnegie Mellon Univ, Ctr Data Storage Syst, Pittsburgh, PA 15213 USA

来源：

IEEE TRANSACTIONS ON MAGNETICS | 1998年 / 34卷 / 01期

关键词：

D O I：

10.1109/20.663427

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：

This paper presents a novel robust time-optimal algorithm for servo systems with bias disturbance. The proposed method specifically minimizes the settling time of the servo positioning system by applying a constant feed-forward signal at the initial time, Unlike many other time-optimal control algorithms, additional computation is not needed once the constant optimal control signal is applied. Since the control is achieved through a constant change in the system's initial condition, the overall stability of the original control system is not affected by the addition of the time-optimal controller, The proposed control scheme has been implemented on a 3.5" disk drive servo system with a rotary actuator, Significant improvement in seeking time has been demonstrated by both simulation and experiments.

引用

页码：7 / 12

页数：6

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