Riesz Basis Approach to the Stabilization of a Flexible Beam with a Tip Mass

  • Authors:
  • Bao-Zhu Guo

  • Affiliations:
  • -

  • Venue:
  • SIAM Journal on Control and Optimization
  • Year:
  • 2000

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Abstract

Using an abstract condition of Riesz basis generation of discrete operators in the Hilbert spaces, we show, in this paper, that a sequence of generalized eigenfunctions of an Euler--Bernoulli beam equation with a tip mass under boundary linear feedback control forms a Riesz basis for the state Hilbert space. In the meanwhile, an asymptotic expression of eigenvalues and the exponential stability are readily obtained. The main results of [ SIAM J. Control Optim., 36 (1998), pp. 1962--1986] are concluded as a special case, and the additional conditions imposed there are removed.