Title :
A nonlinear track following controller for hard disk drives
Author :
Jianyi Wang ; Youyi Wang ; Guoxiao Guo
Author_Institution :
DSI, Singapore
Abstract :
Most of the HDD track following controller are linear controllers. This paper presents a nonlinear control scheme for track following. The controller mainly includes the parts: Tracking Differentiator (TD), Extended State Observer (ESO) and Nonlinear PID (NLPID). Simulation results and experimental results show that the design performs superior to the linear design.
Keywords :
disc drives; hard discs; hard disk drives; nonlinear track following controller; Control systems; Differential equations; Error correction; Hard disks; Resonance; Sampling methods; Signal design; State estimation; Three-term control; Transient response;
Conference_Titel :
Asia-Pacific Magnetic Recording Conference, 2000. APMRC 2000
Conference_Location :
Tokyo, Japan
Print_ISBN :
0-7803-6254-3
DOI :
10.1109/APMRC.2000.898953
