국내 최대 기계 및 로봇 연구정보

기술보고서

기술보고서 게시판 내용
타이틀	CORRELATION FILTERING OF MODAL DYNAMICS USING THE LAPLACE WAVELET
저자	Lawrence C. Freudinger, Rick Lind and Martin J. Brenner
Keyword	Aeroelasticity; Correlation filtering; Health monitoring; Parameter estimation; Wavelet
URL	http://www.dfrc.nasa.gov/DTRS/1998/PDF/H-2223.pdf
보고서번호	H-2223
발행년도	1998
출처	NASA Dryden Flight Research Center
ABSTRACT	Wavelet analysis allows processing of transient response data commonly encountered in vibration health monitoring tasks such as aircraft flutter testing. The Laplace wavelet is formulated as an impulse response of a single mode system to be similar to data features commonly encountered in these health monitoring tasks. A correlation filtering approach is introduced using the Laplace wavelet to decompose a signal into impulse responses of single mode subsystems. Applications using responses from flutter testing of aeroelastic systems demonstrate modal parameters and stability estimates can be estimated by correlation filtering free decay data with a set of Laplace wavelets.