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ISSN (Print): 2352-0965
ISSN (Online): 2352-0973

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Review Article

Research on Surplus Force (torque) Control and Compensation of Electro hydraulic Load Simulator

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

Volume 17, Issue 1, 2024

Published on: 09 June, 2023

Page: [4 - 18] Pages: 15

DOI: 10.2174/2352096516666230505111206

Price: $65

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Abstract

The electro-hydraulic load simulator can simulate any force (torque) load required by the loaded object under test conditions, which greatly reduces the equipment development time and cost. However, the process of force loading inevitably creates a surplus force (torque). The existence of surplus force (torque) in the system will seriously interfere with the loading accuracy of the system and even damage the equipment in serious cases. In this paper, based on the research status of the suppression and compensation of the surplus force (torque) in the electro-hydraulic load simulator, the effective control strategies and methods to overcome the surplus force (torque) in the system are summarized. This paper analyzes the generation mechanism of the surplus force (torque), and summarizes the effective strategies to overcome the surplus force (torque) of the system in structural compensation and control compensation. Using the control method to compensate for the surplus force (torque) has the advantages of simple structure, convenient debugging, and strong universality. It is widely used in the electro-hydraulic load simulator to suppress the surplus force (torque). With the development of control theory, more and more control strategies and methods are applied to restrain and compensate for the surplus force (torque) in the electro-hydraulic load simulator, which not only restrains the surplus force (torque) in the system but also improves the loading accuracy and anti-interference.

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