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

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)

- 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 singleinput systems this problem is well understood but for multiinput systems the pole placement problem is more complex. In this paper, a parameterization of state feedback… (More)

- Hans Norlander
- 2014

- 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)

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