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vibrations
The CH2 segments are in a mobile state because of the enhanced stretching and twisting vibrations of the C-CO and C-N bonds.
      
In this paper, vibration utilization is classified into linear or nonlinear vibrations, waves, and electric-magnetic oscillations.
      
Environmental problems of vibrations induced by railway traffic
      
In this paper, a general review is made on the problems of vibrations of the ground and nearby buildings induced by railway traffic, and on the researches on this subject in theoretical analyses, numerical simulations, and field experiments.
      
The characteristics of ground vibrations induced by railway traffic and their propagation, from the aspects of duration, intensity distribution, vehicle load and speed, are summarized.
      
The natural excitation technique and the eigensystem realization algorithm were combined to identify the modal parameters in the time domain of a structure excited by simulated ambient vibrations.
      
The experimental modal analysis was performed on a two-story steel braced frame model excited by simulated ambient vibrations and hammer impacts.
      
A fuzzy-logic adaptation algorithm is designed for adjusting the discreteness period a control system for ensuring the stability and quality of control process with regard for the elastic structural vibrations of a deformable space vehicle.
      
The influence of changes in sectional area, transversal deformations, and vibrations of flying vehicles are taken into account.
      
The influence of changes in sectional area, transversal deformations, and vibrations of flying vehicles are taken into account.
      
On boundary observability of elastic vibrations of connected objects with distributed and lumped parameters
      
In this paper, a boundary observation problem (recovery of the initial state) of vibrations of an object with distributed and lumped parameters is solved.
      
Problems of boundary observability of elastic vibrations described by the system of telegrapher equations
      
Problems are solved for the observability of elastic vibrations described by various boundary problems for the system of telegrapher equations.
      
The initial conditions that generate observable vibrations are found in the explicit form.
      
Boundary control of string vibrations that minimizes the integral of power p ? 1 of the module of control or its derivative
      
Integral minimization of the second derivative module of the boundary control of string vibrations with the fixed end
      
A problem of boundary control of string vibrations with the fixed end with a bounded control resource is studied.
      
A dual regularized method in a control problem of plate vibrations
      
The problem is posed as a minimization problem of terminal quadratic quality functional on solutions to a linear equation that describes plate vibrations with controls in the right-hand side of the equation.
      
 

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