Discrete-Time LQG/LTR Design and Modeling of a Disk Drive Actuator Tracking Servo System

IEEE Transactions on Industrial Electronics

Volumn 42, Issue 3, 1995, Pages 240-247

  Weerasooriya, Siri ^a   Phan, Duc T ^b  

^a NATIONAL UNIVERSITY OF SINGAPORE   (Singapore)

^b SEAGATE TECHNOLOGY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

BIAS FORCE ESTIMATION; DISK DRIVE TRACK; FREQUENCY SHAPED RETURN RATIO; LINEAR QUADRATIC GAUSSIAN CONTROL; LOOP TRANSFER RECOVERY; SAMPLING RATES; TIME DELAY;

ACTUATORS; COMPUTER SIMULATION; CONTROL EQUIPMENT; CONTROL SYSTEM SYNTHESIS; DISCRETE TIME CONTROL SYSTEMS; FEEDBACK; KALMAN FILTERING; MAGNETIC DISK STORAGE; POSITION CONTROL; ROBUSTNESS (CONTROL SYSTEMS); STATE ESTIMATION; SYSTEM STABILITY;

SERVOMECHANISMS;

EID: 0029324811     PISSN: 02780046     EISSN: 15579948     Source Type: Journal    
DOI: 10.1109/41.382134     Document Type: Article

References (12)

1. T-C. Chiu, C. Kempf, W. H. Yao, and M. Tomizuka, “Compensation for repeatable and nonrepeatable tracking errors in disk file systems,” presented at the JSME Conf. on Advanced Mechatronics, Tokyo, Aug. 1993.
2. J. C. Doyle and G. Stein, “Multivariable feedback design: Concepts for a classical/modern synthesis,” IEEE Trans. Automat. Contr., vol. 26, pp. 4–16, Feb. 1981.
3. G. F. Franklin, J. D. Powell, and M. L. Workman, Digital Control of Dynamic Systems., 2nd ed. Reading, MA: Addison-Wesley, 1990.
4. H. Henselmann and A. Engelke, “LQG-control of a highly resonant disk drive head positioning actuator,” IEEE Trans. Ind. Electron., vol. 35, pp. 100–104, Feb. 1988.
5. T. Ishihara and H. Takeda, “Loop transfer recovery techniques for discrete-time optimal regulators using prediction estimators,” IEEE Trans. Automat. Contr., vol. 31, pp. 1149–1151, Dec. 1986.
6. J. M. Maciejowski, Multivariable Feedback Design. Reading, MA: Addison-Wesley, 1989.
7. J. M. Maciejowski, “Asymptotic recovery for discrete-time systems,” IEEE Trans. Automat. Contr., vol. 30, pp. 602–605, June 1985.
8. D. T. Phan, “The design and modeling of multirate digital control systems for disk drive applications,” in Proc. Asia-Pacific Workshop on Advances in Motion Contr., June 1993, pp. 189–205.
9. A. Saberi, B. M. Chen, and P. Sannuti, Loop Transfer Ecovery: Analysis and Design. London: Springer-Verlag, 1993.
10. G. Stein and M. Athans, “The LQG/LTR procedure for multivariable feedback control design,” IEEE Trans. Automat. Contr., vol. 32, pp. 105–114, Dec. 1986.
11. J-Y. Yen, K. Hallamasek, and R. Horowitz, “Track-following controller design of a compound disk drive actuator,” J. Dynamic Syst., Measurement, and Contr., vol. 112, pp. 391–402, Sept. 1990.
12. The MathWorks Inc., “386-MATLAB,” version 3.5j, May 1991.