Title :
Simulation of air turbulence signal and its application
Author :
Djurovic, Zeljko ; Miskovic, Ljubisa ; Kovacevic, Branko
Author_Institution :
Inst. Superior Tecnico, Lisbon, Portugal
Abstract :
The air turbulence signal is one of the most important disturbances that act during the flight of the aircraft, and therefore, the simulation of atmospheric turbulence is of considerable importance in the evaluation of an aircraft performance in real conditions. Passing a white stochastic sequence through the adequately designed linear filter, the obtained signal at its output will be with a power spectral density very close to the von Karman power spectral density model of air turbulence. The paper presents an analysis of the influence of the filter order and an optimization procedure for filter parameters tuning, in order to obtain a suitable approximation of the von Karman spectra.
Keywords :
aerospace simulation; aircraft testing; atmospheric techniques; atmospheric turbulence; circuit optimisation; digital simulation; filtering theory; network parameters; signal processing; spectral analysis; stochastic processes; air turbulence signal simulation; aircraft flight; aircraft performance; atmospheric turbulence simulation; filter order; filter parameters tuning; linear filter; optimization procedure; power spectral density model; von Karman spectra approximation; white stochastic sequence; Aerospace simulation; Aircraft; Atmospheric modeling; Frequency; Nonlinear filters; Power system modeling; Signal design; Stochastic processes; Testing; Vehicles;
Conference_Titel :
Electrotechnical Conference, 2000. MELECON 2000. 10th Mediterranean
Print_ISBN :
0-7803-6290-X
DOI :
10.1109/MELCON.2000.880066
