A preview controller to be able to prepare a plant with the future information for external disturbances will guarantee better performance to suppress their effects. A design approach for the optimal preview controller in the discrete-time domain is given. The preview and feedback controller are simultaneously designed to minimize the worst case RMS value of the regulated variables when the bounded unknown disturbances and the previewable disturbances hit the dynamic plants. Thus, a state feedback controller and the related preview controller are derived in this design, even though problem formulation and solving an algebraic Riccati equation are based on the full-information controller design scheme. The performance of the proposed preview controller is simulated with a rolling stand of the tandem cold mill in the steel-making works. The objective of the control system for the rolling stand is to minimize thickness error of the exit strip and tension variation between stands simultaneously. The entry strip thickness to the stand and the roll gap variation are considered as previewable disturbances, since they can be measured and estimated. The future informations of these physical variables are utilized in the preview controller to suppress their effects on the exit strip thickness and the inter-stand tension. The simulation results shows that the preview controller is effective to satisfy the requirements for the thickness and the tension.
Skip Nav Destination
Article navigation
March 2001
Technical Papers
H∞ Preview Control for Discrete-Time Systems
Chintae Choi,
Chintae Choi
Mechanical & Electrical Engineering Team, RIST, Pohang, 790-330, Korea
Search for other works by this author on:
Tsu-Chin Tsao
Tsu-Chin Tsao
Department of Mechanical & Aerospace Engineering, University of California, Los Angeles, CA 90095
Search for other works by this author on:
Chintae Choi
Mechanical & Electrical Engineering Team, RIST, Pohang, 790-330, Korea
Tsu-Chin Tsao
Department of Mechanical & Aerospace Engineering, University of California, Los Angeles, CA 90095
Contributed by the Dynamic Systems and Control Division for publication in the JOURNAL OF DYNAMIC SYSTEMS, MEASUREMENT, AND CONTROL. Manuscript received by the Dynamic Systems and Control Division June 21, 1999. Associate Editor: T. Kurfess.
J. Dyn. Sys., Meas., Control. Mar 2001, 123(1): 117-124 (8 pages)
Published Online: June 21, 1999
Article history
Received:
June 21, 1999
Citation
Choi, C., and Tsao, T. (June 21, 1999). "H∞ Preview Control for Discrete-Time Systems ." ASME. J. Dyn. Sys., Meas., Control. March 2001; 123(1): 117–124. https://doi.org/10.1115/1.1286869
Download citation file:
Get Email Alerts
Cited By
An Adaptive Sliding-Mode Observer-Based Fuzzy PI Control Method for Temperature Control of Laser Soldering Process
J. Dyn. Sys., Meas., Control
Fault detection of automotive engine system based on Canonical Variate Analysis combined with Bhattacharyya Distance
J. Dyn. Sys., Meas., Control
Multi Combustor Turbine Engine Acceleration Process Control Law Design
J. Dyn. Sys., Meas., Control (July 2025)
Related Articles
Robust Control Design for Retarded Discrete-Time Systems
J. Dyn. Sys., Meas., Control (January,2007)
Quadratic Optimality of the Zero-Phase Repetitive Control
J. Dyn. Sys., Meas., Control (September,2001)
Model-Independent Control of a Flexible-Joint Robot Manipulator
J. Dyn. Sys., Meas., Control (July,2009)
Robust Adaptive Control Scheme for Discrete-Time System With Actuator Failures
J. Dyn. Sys., Meas., Control (September,2005)
Related Proceedings Papers
Related Chapters
QP Based Encoder Feedback Control
Robot Manipulator Redundancy Resolution
Feedback-Aided Minimum Joint Motion
Robot Manipulator Redundancy Resolution
An Intelligent Control System Based on FPGA for Telephone Communication Network
International Conference on Electronics, Information and Communication Engineering (EICE 2012)