Multi-innovation Parameter Identification Based on Coupling Auxiliary Model for Three-axis Turntable

Minlin Wang, Xueming Dong, Xuemei Ren

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

Abstract

This paper proposes a multi-innovation identification algorithm based on coupling auxiliary model for the three-axis turntable system. By introducing a shift operator, the hierarchical model of three-axis turntable is established and then transformed into three sub-identification models, which can reduce the computation complexity. With the help of coupling auxiliary model, a recursive least squares identification algorithm is designed for the sub-identification models to identify the system parameters. To further improve the convergence speed of identification process, a multi-innovation recursive identification algorithm is developed via multi-step update principle to solve the multi-innovation length problem and achieve the fast parameter identification for three-axis turntable. Experimental results based on a three-axis turntable is conducted to demonstrate the effectiveness of the proposed identification algorithm.

Original languageEnglish
Title of host publicationProceedings of 2022 IEEE 11th Data Driven Control and Learning Systems Conference, DDCLS 2022
EditorsMingxuan Sun, Zengqiang Chen
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages374-379
Number of pages6
ISBN (Electronic)9781665496759
DOIs
Publication statusPublished - 2022
Event11th IEEE Data Driven Control and Learning Systems Conference, DDCLS 2022 - Emeishan, China
Duration: 3 Aug 20225 Aug 2022

Publication series

NameProceedings of 2022 IEEE 11th Data Driven Control and Learning Systems Conference, DDCLS 2022

Conference

Conference11th IEEE Data Driven Control and Learning Systems Conference, DDCLS 2022
Country/TerritoryChina
CityEmeishan
Period3/08/225/08/22

Keywords

  • coupling auxiliary model
  • multi-innovation recursive identification
  • recursive least squares identification
  • three-axis turntable

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