Detection and diagnosis of abrupt changes in modal characteristics of nonstationary digital signals (Corresp.)
作者：
关键词: Mathematics 、 Statistics 、 Detection theory 、 Modal 、 Algorithm 、 Digital signal 、 Vibration 、 Pole–zero plot 、 Scalar (mathematics) 、 Signal 、 Autoregressive–moving-average model
摘要: New "instrumental" tests for detecting and diagnosing changes in the poles of a signal having unknown time-varying zeros are proposed. Numerical results nonstationary scalar signals given. The extension these to vector case may be used vibration monitoring.
sci-hub.se 参考文章(10)
Alan S. Willsky, Detection of abrupt changes in dynamic systems Detection of Abrupt Changes in Signals and Dynamical Systems. pp. 27- 49 ,(1985) , 10.1007/BFB0006388
George V. Moustakides, Albert Benveniste, Detecting changes in the ar parameters of a nonstationary arma process Stochastics An International Journal of Probability and Stochastic Processes. ,vol. 16, pp. 137- 155 ,(1986) , 10.1080/17442508608833370
I. A. Ibragimov, R. Z. Khas’minskii, Asymptotic Behavior of Statistical Estimators in the Smooth Case. I. Study of the Likelihood Ratio Theory of Probability & Its Applications. ,vol. 17, pp. 445- 462 ,(1973) , 10.1137/1117054
Debabrata Basu, On the Elimination of Nuisance Parameters Journal of the American Statistical Association. ,vol. 72, pp. 279- 290 ,(1977) , 10.1007/978-1-4419-5825-9_26
Torsten Bohlin, Analysis of EEG signals with changing spectra using a short-word Kalman estimator Mathematical Biosciences. ,vol. 35, pp. 221- 259 ,(1977) , 10.1016/0025-5564(77)90026-8
A. Benveniste, J.-J. Fuchs, Single sample modal identification of a nonstationary stochastic process IEEE Transactions on Automatic Control. ,vol. 30, pp. 66- 74 ,(1985) , 10.1109/TAC.1985.1103787
S. Bruzzone, M. Kaveh, Information tradeoffs in using the sample autocorrelation function in ARMA parameter estimation IEEE Transactions on Acoustics, Speech, and Signal Processing. ,vol. 32, pp. 701- 715 ,(1984) , 10.1109/TASSP.1984.1164389
P. Stoica, T. Soderstrom, B. Friedlander, Optimal instrumental variable estimates of the AR parameters of an ARMA process IEEE Transactions on Automatic Control. ,vol. 30, pp. 1066- 1074 ,(1985) , 10.1109/TAC.1985.1103839
M. Basseville, A. Benveniste, Sequential detection of abrupt changes in spectral characteristics of digital signals IEEE Transactions on Information Theory. ,vol. 29, pp. 709- 724 ,(1983) , 10.1109/TIT.1983.1056737
Alan S. Willsky, Paper: A survey of design methods for failure detection in dynamic systems Automatica. ,vol. 12, pp. 601- 611 ,(1976) , 10.1016/0005-1098(76)90041-8