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Research on Open-Loop Control Dynamic Characteristics of EHP Controlled System Based on Compound Model

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Abstract:

In this paper, mathematical model of hydraulic components of high-speed electric-hydraulic proportional system is built, at the same time, it is simulated and analyzed that main parameters such as valve flow-displacement gain, viscous friction coefficient and bulk elasticity modulus have effects on system stability, and important results are obtained, it provides theoretical basis for design and optimization of high-speed electric-hydraulic proportional system.

Keywords: BULK ELASTICITY MODULUS; EHP; HYDRAULIC COMPONENTS; SYSTEM STABILITY; VALVE FLOW-DISPLACEMENT GAIN; VISCOUS FRICTION COEFFICIENT

Document Type: Research Article

DOI: http://dx.doi.org/10.1166/asl.2012.2269

Publication date: March 1, 2012

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  • ADVANCED SCIENCE LETTERS is an international peer-reviewed journal with a very wide-ranging coverage, consolidates research activities in all areas of (1) Physical Sciences, (2) Biological Sciences, (3) Mathematical Sciences, (4) Engineering, (5) Computer and Information Sciences, and (6) Geosciences to publish original short communications, full research papers and timely brief (mini) reviews with authors photo and biography encompassing the basic and applied research and current developments in educational aspects of these scientific areas.
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