Noise reduction of a water cooler equipment (chiller)

The chilling equipments of air conditioning installations – located on the flat roof – represent the sources of noise which can cause acoustical discomfort to the habitants from the neighborhood buildings. The dissertat...

Influence of Damping Over the Rudder Control System of an Aircraft

The control system of the rudder of an aircraft can be modeled in a first order approximation as a system of rigid bodies that transmits instantaneously the desired motion to the movable part of the vertical tail. Howeve...

Evaluation of the Dissipated Energy in Viscoelastic or Hysteretic Seismic Isolators

This paper represents the result of experimental and theoretical researches concerning the behaviour and the performance level specific to neoprene bearings subjected to conformity assessment. The tandardized test involv...

 Comparison between the NLMS and the NLMF Adaptation Algorithms Applied on Volterra Filters for Nonlinear Acoustic Echo Cancellation

A nonlinear acoustic echo cancellation setup using a third order Volterra filter is proposed in this article. The assorted types of nonlinearities encountered in the Loudspeaker-Enclosure-Microphone system are modelled b...

NONLINEAR APPROACH OF THE SYSTEMS BETWEEN THE DYNAMIC MODELLING DIFFICULTIES AND THE ADVANTAGES OF USING IT IN MECHANICAL DESIGNING