Abstract
Recently, a method has been developed for detecting and quantifying the time variation in frequency response function (FRF) measurements using arbitrary excitations. The following basic assumptions have been made: 1) The input is known exactly (generalized output error stochastic framework), and 2) the time-variant system operates in an open loop. The latter excludes any interaction between the time-variant system and the generator/actuator. In this paper, we extend the results of the work by Pintelon to noisy input-output observations (errors-in-variables stochastic framework) of time-variant systems operating in a closed loop.
| Original language | English |
|---|---|
| Pages (from-to) | 853-863 |
| Number of pages | 11 |
| Journal | IEEE Transactions on Instrumentation and Measurement |
| Volume | 62 |
| Publication status | Published - 1 Apr 2013 |
Keywords
- Best linear time-invariant (BLTI) approximation
- continuous time
- errors in variables
- feedback
- frequency response function (FRF)
- nonparametric modeling
- slowly time varying
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Dive into the research topics of 'Detection and Quantification of the Influence of Time Variation in Closed-Loop Frequency-Response-Function Measurements'. Together they form a unique fingerprint.Projects
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DWTC282: Dynamical systems, control and optimization
Pintelon, R. (Administrative Promotor), Vandewalle, J. (Co-Promotor), Aeyels, D. (Co-Promotor), Sepulchre, R. (Co-Promotor), Kinnaert, M. (Co-Promotor), Vande Wouwer, A. (Co-Promotor), Blondel, V. (Coördinator), Winkin, J. (Co-Promotor), Boyd, S. (Co-Promotor) & Leonard, N. (Co-Promotor)
1/04/12 → 30/09/17
Project: Fundamental
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