Performance Comparison of Displacement and Speed Control in Electro-Hydrostatic Actuator

Ji Hai Jiang; Qiao Liu; Jun Long Liu; Zhen Xiu Hou

doi:10.4028/www.scientific.net/AMM.779.205

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 779Performance Comparison of Displacement and Speed...

Performance Comparison of Displacement and Speed Control in Electro-Hydrostatic Actuator

Abstract:

In recent years, power by wire (PBW) technique is developed in the European and American aviation field, and one of its important bases is electro-hydrostatic servo technique. In this paper, speed controlled and displacement controlled electro-hydrostatic actuation systems are modeled and simulated, by comparing their Bode graphics and time-zone respond curves, which shows that displacement control has small load inertia and high gain, so its dynamic performance is better. Thus, conclusion can be drawn that speed-displacement composite control may indeed improve the dynamic performance of electro-hydrostatic actuator.

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Periodical:

Applied Mechanics and Materials (Volume 779)

Pages:

205-211

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.779.205

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Online since:

July 2015

Authors:

Ji Hai Jiang*, Qiao Liu, Jun Long Liu, Zhen Xiu Hou

Keywords:

Displacement Control, Electro-Hydrostatic Actuator, Speed Control, System Simulation

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* - Corresponding Author

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