Hydraulic Leveling Technology for Electro-Hydraulic Proportional Control Based on Fuzzy PID

Tian Xiang Gao; Qiang Gao; Yan Li

doi:10.4028/www.scientific.net/AMM.551.503

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 551Hydraulic Leveling Technology for...

Hydraulic Leveling Technology for Electro-Hydraulic Proportional Control Based on Fuzzy PID

Abstract:

In modern military and civil technologies, platforms with equipment on them are often needed to be adjusted to horizontal position rapidly and precisely and keep the platforms stable at the same time. Most leveling systems are implemented with hydraulic system, and they are time-variant nonlinear systems. To leveling both rapidly and steadily with required precision, a PID control strategy based on fuzzy theory was proposed. Electro-hydraulic proportional valve control hydraulic system model was created and analyzed, transfer function of hydraulic legs was obtained and fuzzy PID controller was created in this paper. The proposed method is simulated in Simulink. The simulation result shows that fuzzy PID controller can adjust the platform to horizontal position rapidly and steadily, and improve system performance.

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Periodical:

Applied Mechanics and Materials (Volume 551)

Pages:

503-508

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.551.503

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Online since:

May 2014

Authors:

Tian Xiang Gao, Qiang Gao*, Yan Li

Keywords:

Electro-Hydraulic Proportional Valve, Fuzzy PID, Hydraulic Leveling, MATLAB Simulation

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* - Corresponding Author

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