Robust stabilization of tone reproduction curves for the xerographic printing process

Perry Y. Li, Sohail A. Dianat

Research output: Contribution to journalArticlepeer-review

23 Scopus citations

Abstract

The problem of stabilizing a single color tone reproduction curve of a xerographic printing engine is considered. This problem is critical to ensure high-fidelity color printing. The control system uses a small number of actuators and a small number of measurements to stabilize the potentially high-dimensional tone reproduction curve. The goal is to minimize the overall least squares deviation of the tone reproduction curve from the ideal nominal one in the face of disturbances like material changes, temperature, humidity, and uncertainty in the system description. The control design consists of the steps of 1) determining a robust optimally performing static controller and 2) realizing the controller that utilizes only past measurements. Numerical simulations and experiments validate the efficacy of the controller.

Original languageEnglish (US)
Pages (from-to)407-415
Number of pages9
JournalIEEE Transactions on Control Systems Technology
Volume9
Issue number2
DOIs
StatePublished - Mar 2001

Bibliographical note

Funding Information:
Manuscript received September 27, 1999; revised June 5, 2000 and October 13, 2000. Recommended by Associate Editor N. Sundararajan. This work was performed in part at the Wilson Center for Research and Technology, Xerox Corporation, Webster, NY. P. Y. Li is with the Department of Mechanical Engineering, University of Minnesota, Minneapolis, MN 55455 USA (e-mail: pli@me.umn.edu). S. A. Dianat is with the Electrical Engineering Department, Rochester Institute of Technology, Rochester, NY 14623 USA (e-mail: sadeee@rit.edu). Publisher Item Identifier S 1063-6536(01)01806-1.

Keywords

  • Curve fitting
  • Half-toning
  • Imaging
  • Optimal control
  • Printing
  • Robust control
  • Tone reproduction curves
  • Xerography

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