Development of Box-Jenkins type time series models by combining conventional and orthonormal basis filter approaches

A unified scheme for developing Box-Jenkins (BJ) type models from input-output plant data by combining orthonormal basis filter (OBF) model and conventional time series models, and the procedure for the corresponding multi-step-ahead prediction are presented. The models have a deterministic part tha...

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Main Authors: Tufa , L.D., Ramasamy , Marappagounder, Patwardhan , S.C., Shuhaimi , M.
Format: Citation Index Journal
Language:English
Published: 2010
Subjects:
Online Access:http://scholars.utp.edu.my/id/eprint/2750/
http://scholars.utp.edu.my/id/eprint/2750/1/Development-of-Box-Jenkins-type-time-series-models-by-combining-conventional-and-orthonormal-basis-filter-approaches_2010_Journal-of-Process-Control.pdf
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author Tufa , L.D.
Ramasamy , Marappagounder
Patwardhan , S.C.
Shuhaimi , M.
author_facet Tufa , L.D.
Ramasamy , Marappagounder
Patwardhan , S.C.
Shuhaimi , M.
author_sort Tufa , L.D.
building UTP Institutional Repository
collection Online Access
description A unified scheme for developing Box-Jenkins (BJ) type models from input-output plant data by combining orthonormal basis filter (OBF) model and conventional time series models, and the procedure for the corresponding multi-step-ahead prediction are presented. The models have a deterministic part that has an OBF structure and an explicit stochastic part which has either an AR or an ARMA structure. The proposed models combine all the advantages of an OBF model over conventional linear models together with an explicit noise model. The parameters of the OBF-AR model are easily estimated by linear least square method. The OBF-ARMA model structure leads to a pseudo-linear regression where the parameters can be easily estimated using either a two-step linear least square method or an extended least square method. Models for MIMO systems are easily developed using multiple MISO models. The advantages of the proposed models over BJ models are: parameters can be easily and accurately determined without involving nonlinear optimization; a prior knowledge of time delays is not required; and the identification and prediction schemes can be easily extended to MIMO systems. The proposed methods are illustrated with two SISO simulation case studies and one MIMO, real plant pilot-scale distillation column. © 2009 Elsevier Ltd. All rights reserved.
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spelling oai:scholars.utp.edu.my:27502017-01-19T08:24:59Z http://scholars.utp.edu.my/id/eprint/2750/ Development of Box-Jenkins type time series models by combining conventional and orthonormal basis filter approaches Tufa , L.D. Ramasamy , Marappagounder Patwardhan , S.C. Shuhaimi , M. TP Chemical technology A unified scheme for developing Box-Jenkins (BJ) type models from input-output plant data by combining orthonormal basis filter (OBF) model and conventional time series models, and the procedure for the corresponding multi-step-ahead prediction are presented. The models have a deterministic part that has an OBF structure and an explicit stochastic part which has either an AR or an ARMA structure. The proposed models combine all the advantages of an OBF model over conventional linear models together with an explicit noise model. The parameters of the OBF-AR model are easily estimated by linear least square method. The OBF-ARMA model structure leads to a pseudo-linear regression where the parameters can be easily estimated using either a two-step linear least square method or an extended least square method. Models for MIMO systems are easily developed using multiple MISO models. The advantages of the proposed models over BJ models are: parameters can be easily and accurately determined without involving nonlinear optimization; a prior knowledge of time delays is not required; and the identification and prediction schemes can be easily extended to MIMO systems. The proposed methods are illustrated with two SISO simulation case studies and one MIMO, real plant pilot-scale distillation column. © 2009 Elsevier Ltd. All rights reserved. 2010 Citation Index Journal PeerReviewed application/pdf en http://scholars.utp.edu.my/id/eprint/2750/1/Development-of-Box-Jenkins-type-time-series-models-by-combining-conventional-and-orthonormal-basis-filter-approaches_2010_Journal-of-Process-Control.pdf Tufa , L.D. and Ramasamy , Marappagounder and Patwardhan , S.C. and Shuhaimi , M. (2010) Development of Box-Jenkins type time series models by combining conventional and orthonormal basis filter approaches. [Citation Index Journal] http://www.scopus.com/inward/record.url?eid=2-s2.0-72649089654&partnerID=40&md5=58c7a6453f72085aa36dcc31558342b8 10.1016/j.jprocont.2009.07.009 10.1016/j.jprocont.2009.07.009
spellingShingle TP Chemical technology
Tufa , L.D.
Ramasamy , Marappagounder
Patwardhan , S.C.
Shuhaimi , M.
Development of Box-Jenkins type time series models by combining conventional and orthonormal basis filter approaches
title Development of Box-Jenkins type time series models by combining conventional and orthonormal basis filter approaches
title_full Development of Box-Jenkins type time series models by combining conventional and orthonormal basis filter approaches
title_fullStr Development of Box-Jenkins type time series models by combining conventional and orthonormal basis filter approaches
title_full_unstemmed Development of Box-Jenkins type time series models by combining conventional and orthonormal basis filter approaches
title_short Development of Box-Jenkins type time series models by combining conventional and orthonormal basis filter approaches
title_sort development of box-jenkins type time series models by combining conventional and orthonormal basis filter approaches
topic TP Chemical technology
url http://scholars.utp.edu.my/id/eprint/2750/
http://scholars.utp.edu.my/id/eprint/2750/
http://scholars.utp.edu.my/id/eprint/2750/
http://scholars.utp.edu.my/id/eprint/2750/1/Development-of-Box-Jenkins-type-time-series-models-by-combining-conventional-and-orthonormal-basis-filter-approaches_2010_Journal-of-Process-Control.pdf