Application of Hybrid Fuzzy-PID Control with Coupled Rules in the Hydraulic Positioning System

Li Hong Dong

doi:10.4028/www.scientific.net/AMM.220-223.402

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 220-223Application of Hybrid Fuzzy-PID Control with...

Application of Hybrid Fuzzy-PID Control with Coupled Rules in the Hydraulic Positioning System

Abstract:

According to the nonlinearity and time-variation of the positioning control in hydraulic system, a kind of Hybrid Fuzzy-PID Controller with Coupled Rules (HFPIDCR) is proposed. In this control system, the bulk modulus is considered as a variable. The novelty of this controller is to combine the fuzzy logic and PID controllers in a switching condition. Simulation results of the HFPIDCR are compared with the results of traditional PID, Fuzzy Logic Controller (FLC), and Hybrid Fuzzy-PID Controller (HFPID). It is demonstrated that the HFPIDCR has fast response, short adjustment time, high control precision and other advantages, and it can meet the requirements of the positioning control in hydraulic system.

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Periodical:

Applied Mechanics and Materials (Volumes 220-223)

Pages:

402-405

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.220-223.402

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Online since:

November 2012

Authors:

Li Hong Dong

Keywords:

Coupled Rules, Hybrid Fuzzy-PID Controller, Hydraulic System, Positioning Control

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