Recursive estimation of the Preisach density function for a smart actuator

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3 Scopus citations

Abstract

The Preisach operator and its variants have been successfully used in the modeling of a physical system with hysteresis. In an application, one has to determine the density function describing the Preisach operator from measurements. In our earlier work, we described a regularization method to obtain an approximation to the density function with limited measurements. In this paper, we describe methods for recursively computing the approximate density function. These methods can be implemented in real-time controllers for smart actuators.

Original languageEnglish
Pages (from-to)202-210
Number of pages9
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume5383
DOIs
StatePublished - 2004
EventSmart Structures and Materials 2004 - Modeling, Signal Processing, and Control - San Diego, CA, United States
Duration: Mar 15 2004Mar 18 2004

Keywords

  • Density function Identification
  • EAPs
  • Hysteresis
  • Magnetostriction
  • Piezoelectric materials
  • Preisach Operator
  • Recursive Estimation
  • Smart materials

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