Sliding Mode and PID Control of a Dual Stage Actuator for Precision Positioning

2014 ◽  
Vol 47 (3) ◽  
pp. 6550-6555 ◽  
Author(s):  
Shingo Ito ◽  
Juergen Steininger ◽  
Georg Schitter
Keyword(s):  
Pid Control ◽  
Sliding Mode ◽  
Precision Positioning ◽  
Dual Stage ◽  
Dual Stage Actuator

Optimal Sliding Mode Dual-Stage Actuator Control in Computer Disk Drives

2010 ◽  
Vol 132 (4) ◽  
Author(s):  
Seung-Hi Lee
Keyword(s):  
Discrete Time ◽  
Sliding Mode ◽  
Voice Coil Motor ◽  
Disk Drives ◽  
Flexible Mode ◽  
Control Scheme ◽  
Dual Stage ◽  
Actuator Control ◽  
Dual Stage Actuator ◽  
Computer Disk

This paper presents a discrete-time design of a dual-stage actuator control system with sliding mode for computer disk drives. A state estimator based discrete-time boundary layer sliding mode control scheme is developed for a dual-stage actuator, which consists of a voice coil motor and a microactuator. Considering dominant microactuator flexible mode dynamics and the interaction between the two actuators, an optimal sliding hyperplane is designed to maximize their cooperation so as to attain desired responses. An application example demonstrates the utility of the proposed sliding mode dual-stage actuator control scheme for track-seek in the microactuator range, settle, and track-follow.

High-precision Positioning System using a Low-stiffness Dual Stage Actuator

2013 ◽  
Vol 46 (5) ◽  
pp. 20-27 ◽  
Author(s):  
Shingo Ito ◽  
Juergen Steininger ◽  
Peter I. Chang ◽  
Georg Schitter
Keyword(s):  
High Precision ◽  
Positioning System ◽  
Precision Positioning ◽  
Dual Stage ◽  
Low Stiffness ◽  
Dual Stage Actuator
Sign in / Sign up

Export Citation Format

Share Document