Power spectrum optimization in the design of multisine manoeuvre for identification purposes

• Autorzy: Lichota P. , Szulczyk J. , Noreña D. A. , Vallejo Monsalve F. A.

Identyfikatory

DOI

10.15632/jtam-pl.55.4.1193

• Języki publikacji: EN

Abstrakty

EN

In this paper, two sets of multisine signals are designed for system identification purposes. The first one is obtained without any information about system dynamics. In the second case, the a priori information is given in terms of dimensional stability and control derivatives. Magnitude Bode plots are obtained to design the multisine power spectrum that is optimized afterwards. A genetic algorithm with linear ranking, uniform crossover and mutation operator has been employed for that purpose. Both designed manoeuvres are used to excite the aircraft model, and then system identification is performed. The estimated parameters are obtained by applying two methods: Equation Error and Output Error. The comparison of both investigated cases in terms of accuracy and manoeuvre time is presented afterwards.

Słowa kluczowe

EN

flight dynamics; optimal input design; multisine excitations; system identification; least squares; maximum likelihood

• Wydawca: Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej
• Czasopismo: Journal of Theoretical and Applied Mechanics
• Rocznik: 2017
• Tom: Vol. 55 nr 4
• Strony: 1193--1203
• Opis fizyczny: Bibliogr. 22 poz., rys., tab.

Twórcy

autor

Lichota P.

• Warsaw University of Technology, Institute of Aeronautics and Applied Mechanics, Poland

autor

Szulczyk J.

• Warsaw University of Technology, Institute of Aeronautics and Applied Mechanics, Poland

autor

Noreña D. A.

• Universidad de San Buenaventura, Bogotá, Colombia

autor

Vallejo Monsalve F. A.

• Universidad de San Buenaventura, Bogotá, Colombia

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