Optimization Parameters of Rotary Positioner Controller using CDM

The authors present optimization parameters of rotary positioner controller in hard disk drive servo track writing process using coefficient diagram method; CDM. Due to estimation parameters in PI Positioning Control System by expected ratio method cannot meet the required specification of response effectively, we suggest coefficient diagram method for defining controller parameters under the requirement of the system. Finally, the simulation results show that our proposed method can improve the problem in tuning parameter of rotary positioner controller. It is satisfied specification of performance of control system. Furthermore, it is very convenient as a fast adjustment damping ratio as well as a high speed response.




References:
[1] Canon Rotary Positioning System Operation Manual, Software Version:
pms1.5
[2] K. Saito, K. Muta and S. Manabe, "A solution of the Benchmark
problem by coefficient diagram method", ACC95-AIAA-
20,1995.
[3] S. Manabe and Y.C. Kim, "Recent development of Coefficient
Diagram Method", ASSC-2000 3rd Asian Control conference,
Shanghai, 2000.
[4] S. Manabe, "Coefficient Diagram Method", 14th
[5] Y. C. Kim, L. H. Keel and S. P. Bhattacharyya, "Transient Response
Control via Characteristic Ratio Assignment", IEEE Transactions On
Automatic Control, Vol.48, No.12, pp.2238-2244, 2003
IFAC Symposium on
Automatic Control in Aerospace, Seoul Aug 1998.
[6] Yamaguchi, T.,"HDD servo control development - Present and future",
SICE-ICASE, 2006. International Joint Conference
Volume , Issue , 18-21 Oct. 2006 Page(s):2756 - 2759
[7] Ben M. Chen, Tong H. Lee, Kemao Peng and Venkatakrishnan
Venkataramanan,"Hard Disk Drive Servo Systems", 2nd Edition,
Springer