SQUARE-ROOT RTS SMOOTHING ALGORITHMS
SCIE
SCOPUS
- Title
- SQUARE-ROOT RTS SMOOTHING ALGORITHMS
- Authors
- PARK, P; KAILATH, T
- Date Issued
- 1995-11
- Publisher
- TAYLOR & FRANCIS LTD LONDON
- Abstract
- Two kinds of new square-root algorithms for Rauch-Tung-Striebel (RTS) smoothing formulas are suggested: stable square-root algorithms and a fast square-root (or so-called Chandrasekhar-type) algorithm. The new stable square-root algorithms use square-root arrays composed of smoothed estimates and their error covariances. These square-root algorithms provide many advantages over the conventional algorithms with respect to systolic array and parallel implementations as well as numerical stability and conditioning. For the case of constant-parameter systems, a fast square-root algorithm is suggested, which requires less computation than others.
- Keywords
- FIXED-INTERVAL SMOOTHER; FACTORIZATION
- URI
- https://oasis.postech.ac.kr/handle/2014.oak/27926
- DOI
- 10.1080/00207179508921582
- ISSN
- 0020-7179
- Article Type
- Article
- Citation
- INTERNATIONAL JOURNAL OF CONTROL, vol. 62, no. 5, page. 1049 - 1060, 1995-11
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