Optimization of Variable Frequency Hydraulic System of Filling Machine Based on Fuzzy Adaptive Control

Bao, Zhongfu; Zeng, Dejiang

doi:10.1088/1755-1315/252/3/032076

Cited by 2 publications

(1 citation statement)

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“…Bao et al [9] aimed at the problems of high nonlinear, weak stiffness, and slow response speed of common PID control of frequency conversion hydraulic system of irrigation machine, and adopt fuzzy adaptive control strategy to improve system performance. Based on the co-simulation of AMESim and MATLAB, a fuzzy controller is designed, and expert experience is combined with a PID controller.…”

Section: Introductionmentioning

confidence: 99%

Improved Design of a Hydraulically Expanded Overhead Cylinder for an Automotive Torsion Beam

Yang¹,

Wang²,

Fu³

et al. 2023

Fluid Dynamics &Amp; Materials Processing

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The design of hydro-bulge molds, able to provide hollow parts with special-shaped cross-sections, is still a pretty complicated task (especially for what concerns the design of the related hydraulic system and its "synchronization"). In the present work, this task is addressed through the introduction of a new type of overhead cylinder hydraulic synchronization system, able to correct automatically any deviation from the optimal process. Using the AMESim software, the displacement synchronization curve of the piston rods of the two cylinders is obtained and it is verified that the system is able to implement an automatic deviation correction function by adjusting the bidirectional servo valve. A mathematical model for the synchronization system is presented, and the transfer function of the closed-loop control system is determined accordingly. The results show that the system response is generated at about 0.1∼0.2 s with the system reaching an equilibrium state at about 0.2 s.

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Section: Introductionmentioning

confidence: 99%