Seek time and trajectories of time optimal control for a dual stage optical disk drive actuator

1996 ◽  
Vol 32 (5) ◽  
pp. 3857-3859 ◽  
Author(s):  
Jian-Dong Yang ◽  
Xian-Deng Pei
2013 ◽  
Vol 62 (4) ◽  
pp. 663-675
Author(s):  
Wojciech Kołton

Abstract This article presents the time optimal control system adopted to control double winding VCM motor. This kind of control is widely used in hard disk drive servo for head positioning. Mathematical model of double winding VCM motor is presented, and its implementation in MATLAB/Simulink is shown. The extended time optimal control algorithm is implemented on dSpace DS1104 board. The results obtained from simulation and real measurements are compared and discussed


1994 ◽  
Vol 30 (6) ◽  
pp. 4224-4226 ◽  
Author(s):  
S. Weerasooriya ◽  
Teck Seng Low ◽  
Yu Hong Huang

1991 ◽  
Vol 113 (3) ◽  
pp. 534-536 ◽  
Author(s):  
J. McCormick ◽  
R. Horowitz

A closed-form solution for the time optimal control of a dual actuator disk drive system that takes into account the physical constraint limiting the relative motion of the fine and coarse actuator has been derived. The result is useful for determining track seeking strategies for high performance optical disks. The application of the necessary conditions to a simplified model of the compound actuator is presented and a solution derived.


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