Validity estimation for multi-model identification using constrained kalman filter

Ahmed A. Adeniran, Sami El Ferik*

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review

3 Scopus citations

Abstract

Multi-model approach is an effective way of modeling and identification of complex nonlinear systems that relies on problem decomposition strategy by identifying several models, which are combined in a way that each model contributes to the system output according to a certain degree of validity. Despite the simplicity of the approach and performance, the implementation does still face some challenges. Validity computation is one of these challenges as it plays a crucial role in correct identification of the underlying system and represents a key decision making tool in multi-model fault detection and isolation. In this study constrained Kalman Filter is formulated for validity computation by minimizing the global learning objective of a multi-model output. Simulation example illustrates the effectiveness of the proposed validity computation compared to other commonly used methods.

Original languageEnglish
Pages (from-to)12-17
Number of pages6
JournalProceedings of the IASTED International Conference on Modelling, Identification and Control
DOIs
StatePublished - 2014

Keywords

  • Multi-model
  • Nonlinear systems
  • Systems identification
  • Validity estimation

ASJC Scopus subject areas

  • Software
  • Modeling and Simulation
  • Computer Science Applications

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