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The design of PID controller for track following control of hard disk drive using Coefficient Diagram Method

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5 Author(s)
Chaoraingern, J. ; Dept. of Instrum. & Control Eng., King Mongkut''s Inst. of Technol. Ladkrabang, Bangkok, Thailand ; Vaidee, W. ; Trisuwannawat, T. ; Numsomran, A.
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This paper presents the design of PID controller for track following control of hard disk drive using Coefficient Diagram Method (CDM). For this reason, Track following control of hard disk drive process has many disturbances from internal and external sources, so determining satisfactory controller parameters to stabilize control system and satisfying response specification is difficult. The proposed PID controller design using Coefficient Diagram Method (CDM) based on proper choosing the coefficients of the characteristic transfer function of the closed loop control system in accordance with stability index and equivalent time constant is applying an uncomplicated and convenience technique to controller design of Track following control in hard disk drive process. Matlab simulation results shown that CDM design is fairly stable and robust whilst giving the convenience in controller's parameters adjustment.

Published in:

Control, Automation and Systems (ICCAS), 2011 11th International Conference on

Date of Conference:

26-29 Oct. 2011