Sentence examples for moving irregularity model from inspiring English sources

The results are compared with those from a moving irregularity model where no parametric excitation is generated.

The wheelset/track interaction is simulated in the frequency domain by using a so-called moving irregularity model with a given displacement amplitude spectrum.

Use of a moving irregularity model without considering the wheel/track parametric excitation may under-estimate the noise emission level at high speeds.

Wheel rail interaction is modelled on a non-linear Hertzian spring, and consideration is given to parametric excitation caused by the wheel moving over a sleeper, since this is a moving wheel model and not a moving irregularity model.

The results are compared with those from a moving irregularity model and the differences between the moving wheel and moving irregularity models are examined from various aspects of wheel/rail dynamics.

The dynamic model includes vehicle, track and linearized wheel rail contact with moving irregularities and can be simulated either in the frequency domain by using FFT or in the time domain by constructing a filter function based on system identification technique.

The directogram plot is optimized for equatorial locations, with blue colors for eastward and red colors for westward moving irregularities.

Moving average model PU: Primary user.

Fig. 2 Evacuees' moving speed model.

ARIMA, Autoregressive integrated moving average model.

Parameters of the TMD, of pavement irregularity models and of the bridge-vehicle models are considered as random variables.