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Hybrid control based on improved radial basis function network for electro-hydraulic servo system

  • Peng Yang*
  • , Jun Xu
  • , Jie He
  • , Lihua Liang
  • , Guobin Li
  • *Corresponding author for this work
  • Harbin Engineering University

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

Abstract

Because of the perturbations and disturbances of electro-hydraulic servo systems, the normal controller can't obtain good output responses under various conditions. A hybrid control strategy base on improved Radial Basis Function (RBF) network was presented for the tracking problem. An offline optimization algorithm was employed to choose the number of hidden units of RBF network. Based on the theory of optimization in groups, different online learning algorithms were used to adjust centers and estimate connection weights. The hybrid controller combined this improved RBF network with traditional PID control, and it was applied to electro-hydraulic servo system of ship test bed. Simulation results show that the servo system has good dynamic performance and nice robustness with this hybrid controller.

Original languageEnglish
Title of host publicationFirst International Conference on Innovative Computing, Information and Control 2006, ICICIC'06
Pages117-120
Number of pages4
DOIs
StatePublished - 2006
Externally publishedYes
Event1st International Conference on Innovative Computing, Information and Control 2006, ICICIC'06 - Beijing, United States
Duration: 30 Aug 20061 Sep 2006

Publication series

NameFirst International Conference on Innovative Computing, Information and Control 2006, ICICIC'06

Conference

Conference1st International Conference on Innovative Computing, Information and Control 2006, ICICIC'06
Country/TerritoryUnited States
CityBeijing
Period30/08/061/09/06

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