Multivariable Controller Design for Hot Rolling Mill

Research output: Contribution to conferencePaper, not in proceeding


This paper concerns the controller design for the hot rolling mill at the Danish Steel Works Ltd. The design is done using derived dynamical multivariable models. The main objective of the design is to separate the two sides of the rolling mill. This is obtained by first linearizing the positioning system using feedback linearization and then using eigenspace design on the linearized multivariable system. To ensure that the design is stable, the stability of the system is investigated using the small gain theorem. The performance of the controller is evaluated using estimated models based on data from the plate mill.


Research areas and keywords

Subject classification (UKÄ) – MANDATORY

  • Control Engineering


  • Hot rolling mill, plate thickness control, nonlinear control, eigenstructure assignment, stability analysis, multivariable control
Original languageEnglish
Publication statusPublished - 1996
Publication categoryResearch
Event13th IFAC World Congress - San Francisco, San Francisco, CA, United States
Duration: 1996 Jun 301996 Jul 5
Conference number: 13


Conference13th IFAC World Congress
CountryUnited States
CitySan Francisco, CA