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An Entire Strategy for Control of a Calender Roller System: Part II Settling Time-optimal Feedback Control

Intelligence Control and Simulation laboratory, Department of Polymer Engineering, National Taiwan University of Science and Technology, Taipei, Taiwan, R.O.C., jeffreykuo{at}mail.ntust.edu.tw

Chien-Chou Fang

Intelligence Control and Simulation laboratory, Department of Polymer Engineering, National Taiwan University of Science and Technology, Taipei, Taiwan, R.O.C.

Fast tracking performance and settling times, and low energy consumption while minimizing vibrations must be provided by a high performance calender roller system. This paper is a continuation of a companion paper [Textile Res. J. XX, 00—00 (2007)], a regulating reference input technology combined with the aforementioned PID type control scheme is proposed for robustness and dominant mode vibration suppression. This combination scheme possesses the advantages of simplicity and effectiveness, and because no additional sensors and actuators are required the resulting controllers lead to optimal settling time performance without unwanted residual vibrations. This control scheme has stability and robustness to parameter variations of the calender roller system since the controller guarantees the absolute stability of the system. The usefulness of this approach is demonstrated through computer simulations. This feedback control design is particularly well suited to perform calculations by computer, and eventually we hope to design a calender roller system that can actually be controlled directly by an on-line computer.

Key Words: calender roller • time-optimal feedback • control system design

Textile Research Journal, Vol. 77, No. 8, 542-549 (2007)
DOI: 10.1177/0040517507074161


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