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Recent Advances in Electrical & Electronic Engineering

Author(s): Bingwei Gao*, Bin Xu, Wei Zhang and Lintao Zheng

DOI: 10.2174/2352096516666230821102529

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Characterization of Position Synchronous Control System for Double Hydraulic Cylinder

Page: [712 - 728] Pages: 17

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Abstract

Background: There are some problems in the synchronous control system of electrohydraulic servo double hydraulic cylinders, such as uncertainty of system parameters, time variation, difference between two subsystems, and unbalanced load disturbance during operation. The above problems cause the output responses of the two cylinders to be inconsistent, resulting in the situation that the output flows of the two cylinders are not synchronized.

Objective: Further improve the accuracy of synchronous control while reducing the cost of using synchronous control system.

Methods: The AMEsim simulation model of electro-hydraulic servo dual-cylinder synchronous control system is established, and based on this model, the dynamic characteristics, coupling characteristics, and synchronization characteristics of the double-cylinder system are analyzed theoretically and simulated.

Results: Analyze and verify the influence of various factors on the synchronization of double hydraulic cylinders, and summarize the influence law of the change of different factors on the output and synchronization accuracy of the double hydraulic cylinder system.

Conclusion: This study analyzes the influence of various factors on the synchronization of double cylinders by adjusting the parameters, and summarizes the influence law of the change of different factors on the output and synchronization accuracy of the double cylinder system.

Keywords: Double hydraulic cylinders, double cylinder synchronization, dynamic characteristics, coupling characteristics, synchronization characteristics, simulation analysis.

Graphical Abstract

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