Simulation of Position Control and Flow Rate Match of Integrated Hydraulic Actuator Unit

Jian Xin Liu; Yu  Liu; Ping Tan

doi:10.4028/www.scientific.net/AMR.118-120.640

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 118-120Simulation of Position Control and Flow Rate Match...

Simulation of Position Control and Flow Rate Match of Integrated Hydraulic Actuator Unit

Abstract:

This paper presents a kind of all-digital integrated hydraulic actuator (IHA) unit to drive heavy load object without centralized oil tank. In order to improve the control quality of the actuation system while eliminating or reducing the disturbance, and also to solve the problem of flow rate mismatch existed in IHA with single-rod cylinder actuator, a fuzzy PID PWM controller is suggested. Simulations on the integrated hydraulic actuator unit are carried out to evaluate the effectiveness of the proposed control method when applied to hydraulic systems with various external disturbances encountered in real working conditions. Simulation results are discussed and some conclusions are given.

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Periodical:

Advanced Materials Research (Volumes 118-120)

Pages:

640-644

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.118-120.640

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Online since:

June 2010

Authors:

Jian Xin Liu, Yu Liu, Ping Tan

Keywords:

Digital Valve, Flow Rate Match, Fuzzy-PID Controller, Integrated Hydraulic Actuator, Pulse Width Modulation (PWM)

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