Parameter estimation of two-mass mechanical loads in electric drives

Seppo E. Saarakkala, Tuomo Leppinen, Marko Hinkkanen, Jorma Luomi

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

18 Citations (Scopus)

Abstract

This paper presents a method for parameter estimation of two-mass mechanical loads. A discrete-time polynomial model with an output error (OE) structure is used in parameter estimation. Four different identification setups are obtained when open-loop estimation and various possibilities of choosing the input and output signals in closed-loop estimation are considered. All four setups are analyzed, and the identifiabilities are compared. It is discovered that all four identification setups can be used to obtain reasonable parameter estimates.
Original languageEnglish
Title of host publicationThe 12th IEEE International Workshop on Advanced Motion Control (AMC 2012)
Place of PublicationSarajevo, Bosnia and Herzegovina
DOIs
Publication statusPublished - 25 Mar 2012
MoE publication typeA4 Article in a conference publication

Keywords

  • electric drive
  • identification
  • parameter estimation
  • torsional oscillation
  • two-mass system

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