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Digital Demodulation Method and Application of a PWM-Excited Differential Self-Inductive Displacement Transducer. [PDF]
Sensors (Basel)Guo H, Shi B, Chen H, Liu B.
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Hydraulic Support Model Test Load Equipment and its Hydraulic Control System
Advanced Materials Research, 2011 Hydraulic support is an important equipment of mechanization caving coal in modernization coal mine. Hydraulic support strength test is a key link in hydraulic support design.
Hong Yu Liu, Liu Hong Yu
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Hydraulic antivibration supports
The Journal of the Acoustical Society of America, 1988The invention relates to an antivibration support to be inserted between the frame and the engine of a vehicle. The support comprises two deformable chambers filled with liquid, separated by a deformable partition, and communicating with one another through a restricted passage, namely an operating chamber whose lateral wall forms a support and joins ...
Francois Bodin +2 more
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The Optimization Design of Hydraulic Support: Rolling Advancing Support Device of Hydraulic Support
Advanced Materials Research, 2013In order to provide a kind of simple structure, low cost, easy operation and high safety performance improvement of hydraulic support's advancing support method, this paper designed a kind of rolling advancing support device of hydraulic support. The device is fixed on the hydraulic support beam, made the top beam and roof between sliding friction into
Yan Li, Jing Xi Li, Xin Feng Wang
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Mechanical-hydraulic integration modeling and simulation of hydraulic support
2010 International Conference on Computer Application and System Modeling (ICCASM 2010), 2010Based on Virtual Prototyping Technology, the co-simulation technology for mining machinery has been studied and applied. Hydraulic support is used as an example and the whole virtual prototype model of hydraulic ramming device was established, the co-simulation between mechanical system and control system is realized by means of software ADAMS and ...
null Lirong Wan +3 more
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A fuzzy decision support system for an hydraulic application
2007 IEEE International Fuzzy Systems Conference, 2007This paper deals with water resource management fuzzy decision systems. The motivation for the study is the need for an automated management policy for an artificial reservoir operating according to common sense rules. As common sense is never defined in terms of strict rules, there is still the possibility to choose the rules so as to follow common ...
CAVALLO, Alberto +2 more
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Lightweight Design for Hydraulic Support
Key Engineering Materials, 2010In large inclined angle mining condition, in order to decrease the effect of sliding force, a lightweight design for hydraulic support is presented in this paper. Taking minimum mass of top beam as optimization objective, the three-dimensional model of it is built firstly.
Xin Zhang +3 more
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Optimal design of hydraulic support
Structural and Multidisciplinary Optimization, 2000This paper describes a procedure for optimal determination of two groups of parameters of a hydraulic support employed in the mining industry. The procedure is based on mathematical programming methods. In the first step, the optimal values of some parameters of the leading four-bar mechanism are found in order to ensure the desired motion of the ...
M. Oblak, B. Harl, B. Butinar
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Variant Design of Hydraulic Support
Advanced Materials Research, 2012As is known to all, new mechanical product design is always on the basis of the original product, so to better use the exiting design resource, a mechanical product variant design method is presented. The new method is based on SML and parameter CAD.
Yuan Yuan Shao +3 more
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Vibration Control of the Platform System with Hydraulic Supports
Journal of Vibration and Control, 2003The platform system includes a platform, four hydraulic supports and a unit on the platform. The motion equations for the platform system are set up as the unit on the platform is simplified as one mass element. Based on the Lowes-Hurwits stability criteria, the feedback flow coefficients of the hydraulic system are determined.
Tang, Y. G., Ding, Q., Chen, Y. S.
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