In this paper, we study the one-dimensional wave equation with Boltzmann damping. Two different Boltzmann integrals that represent the memory of materials are considered. The spectral properties for both cases are thoroughly analyzed. It is found that when the memory of system is counted from the infinity, the spectrum of system contains a left half complex plane, which is sharp contrast to the most results in elastic vibration systems that the vibrating dynamics can be considered from the vibration...
A hybrid flexible beam equation with harmonic disturbance at the end where a rigid tip body is attached is considered. A simple motor torque feedback control is designed for which only the measured time-dependent angle of rotation and its velocity are utilized. It is shown that this control can impel the amplitude of the attached rigid tip body tending to zero as time goes to infinity.
Using an abstract result on Riesz basis generation for discrete operators in general Hilbert spaces, we show, in this article, that the generalized eigenfunctions of an Euler-Bernoulli beam equation with joint linear feedback control form a Riesz basis for the state space. The spectrum-determined growth condition is hence obtained. Meanwhile, the exponential stability as well as the asymptotic expansion of eigenvalues are also readily obtained by a straightforward computation.
A hybrid flexible beam equation with harmonic
disturbance at the end where a rigid tip body is attached is
considered. A simple motor torque feedback control is designed
for which only the measured time-dependent angle of rotation and
its velocity are utilized. It is shown that this control can impel
the amplitude of the attached rigid tip body tending to zero as
time goes to infinity.
An open-loop system of a multidimensional wave equation
with variable coefficients, partial boundary Dirichlet control and
collocated observation is considered. It is shown that the system is
well-posed in the sense of D. Salamon and regular in the sense of G.
Weiss. The Riemannian geometry method is used in the proof of
regularity and the feedthrough operator is explicitly computed.
In this paper, we study the one-dimensional wave equation with Boltzmann damping. Two different Boltzmann integrals that represent the memory of materials are considered. The spectral properties for both cases are thoroughly analyzed. It is found that when the memory of system is counted from the infinity, the spectrum of system contains a left half complex plane, which is sharp contrast to the most results in elastic vibration systems that the vibrating dynamics can be considered from the vibration...
The stabilization with time delay in observation or control represents difficult mathematical challenges in the control of distributed parameter systems. It is well-known that the stability of closed-loop system achieved by some stabilizing output feedback laws may be destroyed by whatever small time delay there exists in observation. In this paper, we are concerned with a particularly interesting case: Boundary output feedback stabilization of a one-dimensional wave equation system for which the...
The stabilization with time delay in observation or control represents difficult
mathematical challenges in the control of distributed parameter systems. It is well-known
that the stability of closed-loop system achieved by some stabilizing output feedback laws
may be destroyed by whatever small time delay there exists in observation. In this paper,
we are concerned with a particularly interesting case: Boundary output feedback
stabilization of a...
In this paper, we consider the boundary stabilization of a sandwich beam which consists of two outer stiff layers and a compliant middle layer. Using Riesz basis approach, we show that there is a sequence of generalized eigenfunctions, which forms a Riesz basis in the state space. As a consequence, the spectrum-determined growth condition as well as the exponential stability of the closed-loop system are concluded. Finally, the well-posedness and regularity in the sense of Salamon-Weiss class as...
We study the dynamic behavior and stability of two connected
Rayleigh beams that are subject to, in addition to two sensors and
two actuators applied at the joint point, one of the actuators also
specially distributed along the beams. We show that with the
distributed control employed, there is a set of generalized
eigenfunctions of the closed-loop system, which forms a Riesz basis
with parenthesis for the state space. Then both the
spectrum-determined growth condition and exponential stability...
In this paper, we consider the boundary stabilization of a
sandwich beam which consists of two outer stiff layers and a
compliant middle layer. Using Riesz basis approach, we show that
there is a sequence of generalized eigenfunctions, which forms a
Riesz basis in the state space. As a consequence, the
spectrum-determined growth condition as well as the exponential
stability of the closed-loop system are concluded. Finally, the
well-posedness and regularity in the sense of Salamon-Weiss class
as...
The stabilization with time delay in observation or control represents difficult
mathematical challenges in the control of distributed parameter systems. It is well-known
that the stability of closed-loop system achieved by some stabilizing output feedback laws
may be destroyed by whatever small time delay there exists in observation. In this paper,
we are concerned with a particularly interesting case: Boundary output feedback
stabilization of a...
Download Results (CSV)