Speed tracking and transverse vibration control of an axially accelerating web

Siddharth P. Nagarkatti, Fumin Zhang, Bret T. Costic, Darren M. Dawson, Christopher D. Rahn

Research output: Contribution to journalArticlepeer-review

21 Scopus citations


In this paper, we present a control strategy for an axially moving web system that regulates transverse vibration and ensures that the web speed tracks a desired trajectory. The control strategy is implemented using roller torque inputs applied at the boundary and a pair of control forces applied to the web via a mechanical guide. Given the hybrid model of the web system (i.e. the distributed parameter field equation coupled to discrete actuator equations), Lyapunov-type arguments are utilised to design a model-based control law that exponentially regulates the axial speed tracking error and the web displacement. The proposed control law is based on measurements of the web speed and displacement, slope, and slope rate at the mechanical guide. Experimental results demonstrate the speed tracking and vibration damping provided by the control strategy.

Original languageEnglish (US)
Pages (from-to)337-356
Number of pages20
JournalMechanical Systems and Signal Processing
Issue number2-3
StatePublished - Mar 2002

All Science Journal Classification (ASJC) codes

  • Control and Systems Engineering
  • Signal Processing
  • Civil and Structural Engineering
  • Aerospace Engineering
  • Mechanical Engineering
  • Computer Science Applications


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