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Estimation of parameters of forms of bending oscillations of a body by results of vibrating tests with application of the theory of optimum filtration and linear regression models

Lyapshin K., Vuchetich I.

Transport Problems

2010

T. 5, z. 2

13-19

Three different passenger car bodies' vibration tests were carried out. During the tests simultaneously were register accelerations, body middle displacements and strength from vibrator to a body. On processing of testing signal was decrease its sampling frequency and used nonrecursive filter with Fourier transformation. Signal parameter estimation for first self frequency of bending vibration determination was carried out with four linear regression models according to quadratic mean criteria with pass from discrete to continuous model. Was carried out each model estimation results analyses and did conclusions about processing methods error and noise attend in measurement system.

Analiza komfortu jazdy wybranych pojazdów samochodowych

Łazarz B., Madej H.

Transport Problems

2006

T. 1, z. 1

211-218

Opracowanie przedstawia wyniki eksperymentu mającego na celu sprawdzenie, jaki wpływ na komfort jazdy samochodem mają warunki jazdy. Badaniom poddano wybrane samochody osobowe i ciężarowe. Badano wpływ prędkości jazdy i rodzaj nawierzchni drogi na drgania ogólne, jakim podlega kierowca samochodu.

The work presents the experiment aimed at searching an influence of traveling conditions on driving comfort. The vibration measurements were carried out in different road surface and speed, in order to find their influence on vibrations.