Improved identification algorithm for b-spline modelling of output probability density functions

J.H. Zhang; H. Yue

doi:10.1109/ISIC.2004.1387673

Improved identification algorithm for b-spline modelling of output probability density functions

J.H. Zhang, H. Yue

Electronic And Electrical Engineering

Research output: Contribution to conference › Proceeding › peer-review

8 Citations (Scopus)

Abstract

An improved modelling technique has been developed for the B-spline approximation of the output probability density functions (PDFs). By reformulating the B-spline links between the weights vector and the output PDFs, the new algorithm decomposes the previous scanning identification into two separate operations, therefore reduces the dimension of the least square calculation and improves its efficiency. A PDF control strategy is then adopted to ensure that the output PDF will follow a desired PDF. Simulation studies have been performed for the molecular weight distribution (MWD) control of a styrene polymerization process.

Original language	English
Pages	143-148
Number of pages	5
DOIs	https://doi.org/10.1109/ISIC.2004.1387673
Publication status	Published - Sep 2004
Event	2004 IEEE International Symposium on Intelligent Control - Taipei, Taiwan, Province of China Duration: 2 Sep 2004 → 4 Sep 2004

Conference

Conference	2004 IEEE International Symposium on Intelligent Control
Country	Taiwan, Province of China
City	Taipei
Period	2/09/04 → 4/09/04

Keywords

improved identification
algorithm
b-spline
modelling
output
probability density functions

Access to Document

10.1109/ISIC.2004.1387673

http://homepages.laas.fr/henrion/cacsd/symp2004.html

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AB - An improved modelling technique has been developed for the B-spline approximation of the output probability density functions (PDFs). By reformulating the B-spline links between the weights vector and the output PDFs, the new algorithm decomposes the previous scanning identification into two separate operations, therefore reduces the dimension of the least square calculation and improves its efficiency. A PDF control strategy is then adopted to ensure that the output PDF will follow a desired PDF. Simulation studies have been performed for the molecular weight distribution (MWD) control of a styrene polymerization process.

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