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Modeling and control of a viscoelastic beam are considered. Piezoelectrical elements are bonded to the beam and used as actuators. The beam is also equipped with a strain gauge that serves as a sensing device. The beam system is described by the Euler-Bernoulli beam equation, which is Fourier transformed and numerically solved in the frequency domain. Then,… (More)

- Pär Samuelsson, Hans Norlander, Bengt Carlsson
- Automatica
- 2005

- Hans Norlander
- 2011

How much do model errors influence the closed loop performance? This question is investigated for the control problem of designing active damping of vibrations in a viscoelastic cantilever beam. The beam is physically modeled using Fourier transformed Euler-Bernoulli beam equations. For control design the standard LQG technique is employed, and two… (More)

- Hans Norlander
- 2003

The pole placement problem has been a subject for research for a long time. It is well known that state feedback control is an efficient technique for the pole placement problem. For single-input systems this problem is well understood but for multi-input systems the pole placement problem is more complex. In this paper, a parameterization of state feedback… (More)

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