Recursive estimation of the Preisach density function for a smart actuator

Ram V. Iyer

doi:10.1117/12.548829

Recursive estimation of the Preisach density function for a smart actuator

Ram V. Iyer

Mathematics and Statistics

Research output: Contribution to journal › Conference article › peer-review

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 language	English
Pages (from-to)	202-210
Number of pages	9
Journal	Proceedings of SPIE - The International Society for Optical Engineering
Volume	5383
DOIs	https://doi.org/10.1117/12.548829
State	Published - 2004
Event	Smart Structures and Materials 2004 - Modeling, Signal Processing, and Control - San Diego, CA, United States Duration: Mar 15 2004 → Mar 18 2004

Keywords

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

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10.1117/12.548829

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AB - 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.

KW - Density function Identification

KW - EAPs

KW - Hysteresis

KW - Magnetostriction

KW - Piezoelectric materials

KW - Preisach Operator

KW - Recursive Estimation

KW - Smart materials

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VL - 5383

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EP - 210

JO - Proceedings of SPIE - The International Society for Optical Engineering

JF - Proceedings of SPIE - The International Society for Optical Engineering

T2 - Smart Structures and Materials 2004 - Modeling, Signal Processing, and Control

Y2 - 15 March 2004 through 18 March 2004

ER -

Recursive estimation of the Preisach density function for a smart actuator

Abstract

Keywords

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