Simulation Research on the Influence of Oil Damping to the Effect of Assimilating Impulsion Based on Accumulator

2011 ◽  
Vol 228-229 ◽  
pp. 332-339
Author(s):  
Qing Nie ◽  
Hong Nie ◽  
Ming Zhang
Keyword(s):  
Dynamic Model ◽  
Hydraulic System ◽  
General Function ◽  
Hydraulic Control ◽  
Hydraulic Circuit ◽  
Simulation Research ◽  
Throttle Valve ◽  
Simulation Results ◽  
Different Diameters ◽  
Sudden Load

The general function library and hydraulic control library of EASY5 software were used to establish the dynamic model of hydraulic system of a sudden load, which could assimilate impulsion based on accumulator. The system was simulated with different diameters of the oil supply hole of accumulator. The simulation results were compared and analyzed to research the influence of oil damping to the effect of assimilating impulsion based on accumulator. From the simulation results, a hydraulic circuit consists of a throttle valve controlled by pressure and an accumulator was put forward to improve the capacity of accumulator to assimilate impulsion by changing the oil damping of accumulator through throttle valve, which had certain of meaning in project.

Multi-Field Co-Simulation Research on Suspension System of Forging Manipulator Based on Virtual Prototype Technology

2010 ◽  
Vol 97-101 ◽  
pp. 3174-3178
Author(s):  
Fu Gang Zhai ◽  
Xiang Dong Kong ◽  
Chao Ai ◽  
Jie Liu
Keyword(s):  
Hydraulic System ◽  
Virtual Prototype ◽  
Suspension System ◽  
Prototype Model ◽  
Hydraulic Control ◽  
Static Characteristics ◽  
Simulation Research ◽  
Theoretical Significance ◽  
Virtual Prototype Technology ◽  
Forging Manipulator

Take a certain suspension system of forging manipulator as research object, mechanical system sub-model and hydraulic control system sub-model of suspension system were respectively built by using Pro/E, Mechanism/Pro, ADAMS and AMESim software, and the whole virtual prototype model of suspension system contains mechanical and hydraulic system sub-model was connected by interface module of software collaboration. Based on integrated features of virtual prototype technology, the dynamic and static characteristics of suspension system were researched by the method of multi-field co-simulation and software collaboration. The results can provide certain theoretical significance for designing suspension system of forging manipulator.

Simulation Research on Hydraulic Support Column System Based on AMESim

2012 ◽  
Vol 229-231 ◽  
pp. 1684-1687
Author(s):  
Jun Zhu ◽  
Feng Yuan ◽  
Hong Xia Wu
Keyword(s):  
Simulation Model ◽  
Working Conditions ◽  
Hydraulic System ◽  
Hydraulic Support ◽  
Simulation Research ◽  
Column System ◽  
Actual Working ◽  
Working Principle ◽  
Simulation Results ◽  
Working Procedure

The working principle and process of the hydraulic support column system is introduced at first. The simulation model of the column system is established in the software of AMESim, and the parameters of the model are set according to the actual working conditions. The simulation curves of each working procedure are obtained, and the simulation results are analyzed. The conclusions will be essential references for the research on the entire support hydraulic system.

Hydraulic Control of Speed and Position of a Pneumatic Actuator

2015 ◽  
Vol 772 ◽  
pp. 334-338
Author(s):  
Mihai Avram ◽  
Constantin Bucşan ◽  
Despina Duminică ◽  
Dana Rizescu ◽  
Daniel Besnea
Keyword(s):  
Mathematical Model ◽  
Numerical Simulations ◽  
Hydraulic System ◽  
Experimental Results ◽  
Pneumatic Actuator ◽  
Hydraulic Control ◽  
Hydraulic Circuit

The paper presents an original pneumo-hydraulic system that controls the speed and the position of the actuated load by using a hydraulic circuit containing a hydraulic proportional throttle. A mathematical model of the solution is developed and numerical simulations are performed. The experimental results obtained on the built model confirm the theoretical ones.

Optimization Design for MA5300 Injection Molding Machine’s Clamping Unit’s Hydraulic System

2013 ◽  
Vol 321-324 ◽  
pp. 1770-1774
Author(s):  
Jing Wang ◽  
Zheng Cai Wang ◽  
Li Ying Xue ◽  
Li Zhu Liu
Keyword(s):  
Injection Molding ◽  
Hydraulic System ◽  
Optimization Design ◽  
Response Speed ◽  
Control Circuit ◽  
Hydraulic Control ◽  
Hydraulic Circuit ◽  
Magnetic Exchange ◽  
Oil Source

Focusing on PET perform molding features, working principles of MA5300 Injection Molding Machine’s clamping unit’s hydraulic system has been analyzed in this paper. Based on previous hydraulic system, magnetic exchange valve has been added on the demoulding hydraulic circuit, demolding speed has been fastened; energy accumulator has been added on the control circuit so as to stabilize controlled oil-source, improve time of opening and clamping mould and response speed. In addition, common one-way valve in core oil circuit is replaced with hydraulic control one-way valve, in order to realize pressure maintaining function; hydraulic insurance structure is changed into inner circulation, and two-way cartridge valve is used as security valve, so as to realize faster response, and largely improved equipment security. Through adopting common hydraulic components, under the premise of limited increasing cost, the injection molding cycle for PET perform product has been reduced, and enterprise’s productivity has been improved.

The Roadheader Rear Support System Modeling and Mechanical-Hydraulic Coupling System Co-Simulation Research

2012 ◽  
Vol 619 ◽  
pp. 476-479 ◽  
Author(s):  
Li Juan Zhao ◽  
Xin Zhao
Keyword(s):  
Support System ◽  
Hydraulic System ◽  
System Modeling ◽  
System Model ◽  
Hydraulic Control ◽  
Simulation Research ◽  
Coupling System ◽  
Hydraulic Coupling ◽  
The Stability ◽  
Control System Model

In order to estimate the stability of the roadheader rear support system, took the heavy cantilever roadheader of a coal company as the research object, rigid-flex coupled dynamic model of its rear support system was established based on Pro/E, ADAMS and ANSYS. The hydraulic control system model of rear support was researched in EASY5. These two models built the mechanical-hydraulic coupling system. Analysed the mechanical dynamic simulation results and verified the reliability of hydraulic system when the co-simulation of rear support was made.

Dynamic Characteristics Investigation on Hydraulic System of Power-Slipway for Combined Machine Tools

2014 ◽  
Vol 1006-1007 ◽  
pp. 142-146
Author(s):  
Xi Juan Qi ◽  
Jun Qi Ge
Keyword(s):  
Optimal Design ◽  
Performance Analysis ◽  
Dynamic Model ◽  
Dynamic Simulation ◽  
Dynamic Characteristics ◽  
Machine Tools ◽  
Hydraulic System ◽  
Bond Graph ◽  
Power Bond Graph ◽  
Simulation Results

The power bond graph of hydraulic system of power-slipway for combined machine tools was built on the basis of analysis on its hydraulic system and actual working cases. Dynamic model of hydraulic system of power-slipway was built. At the same time, making use of Simulink, dynamic simulation of hydraulic system of power-slipway was carried out. Influence law of primary technology parameters on dynamic characteristics of the hydraulic system of power-slipway was expounded. The simulation results will provide theory basis for performance analysis and optimal design of hydraulic system of power-slipway for combined machine tools.

Research on the Dynamic Characteristics of Master Cylinder in the Hydraulic System on Concrete Pump

2011 ◽  
Vol 317-319 ◽  
pp. 2398-2403 ◽  
Author(s):  
Hai Bo Xie ◽  
Shu Yong Lin ◽  
Hua Yong Yang ◽  
Yu Zhen ◽  
Jin Zhang
Keyword(s):  
Hydraulic System ◽  
Open Circuit ◽  
Simulation Software ◽  
Design Parameters ◽  
Hydraulic Control ◽  
Master Cylinder ◽  
Simulation Results ◽  
Concrete Pump ◽  
The Relationship ◽  
Hydraulic Control System

Currently when the domestic concrete pump is pumping, the piston of master cylinder may hit the cylinder or not travel enough displacement; the travelling rules in different conditions have been not found yet. In this paper, an open circuit hydraulic control system is researched by simulation software AMESim, pumping circuit and dividing circuit of the system are modeled and simulated. The simulation results are compared with experimental results to illustrate the accuracy of the modeling. Then the relationship between travelling displacement of the piston and the factors, such as location of trigger port, different diameter of damping u-tube, is analyzed. In the end, a set of reasonable design parameters of the hydraulic system is proposed.

Study on Predictive Control of Ship Steering Gear System

2010 ◽  
Vol 142 ◽  
pp. 45-50 ◽  
Author(s):  
Geng Xin Yang ◽  
Shi Xiang Yu
Keyword(s):  
Predictive Control ◽  
Pid Control ◽  
Hydraulic System ◽  
Ship Motion ◽  
Control Technique ◽  
Simulation Research ◽  
Ship Steering ◽  
Course Control ◽  
Simulation Results ◽  
New System

In this paper a steering gear hydraulic system based on electro-hydraulic proportional technology is designed in consideration of the complexity and nonlinearity of ship motion. A control technique of ship course control is proposed with the combination of fuzzy control, predictive control and traditional PID control. Simulation research was implemented on the ‘Ruiyu’ ship of author’s college. The simulation results show that the new system is easy to control and it has excellent robustness.

Dynamic Characteristics Investigation on Hydraulic System of Array Nail Machine Based on Simulink

2013 ◽  
Vol 694-697 ◽  
pp. 7-10
Author(s):  
Xi Juan Qi ◽  
Zhi Ying Qin ◽  
Yue Jing Zhao
Keyword(s):  
Optimal Design ◽  
Performance Analysis ◽  
Dynamic Model ◽  
Dynamic Simulation ◽  
Dynamic Characteristics ◽  
Hydraulic System ◽  
Bond Graph ◽  
Actual Working ◽  
Power Bond Graph ◽  
Simulation Results

The power bond graph of hydraulic array nail machine was built on the basis of analyses on its hydraulic system and actual working cases. Dynamic model of array nail machine hydraulic system was built. At the same time, making use of Simulink, dynamic simulation of hydraulic system of array nail machine was carried out. Influence law of primary technology parameters on dynamic characteristics of the hydraulic system was expounded. The simulation results will provide theory bases for performance analysis and optimal design of array nail machine hydraulic system.

The Analysis of Electro-Hydraulic Valve Performance Based on AMESim Software

2014 ◽  
Vol 1049-1050 ◽  
pp. 901-907
Author(s):  
Wei Yang Chen ◽  
Lian Min Cao
Keyword(s):  
Dynamic Simulation ◽  
Hydraulic System ◽  
Accurate Analysis ◽  
Simulation Accuracy ◽  
Simulation Research ◽  
Hydraulic Simulation ◽  
Simulation Performance ◽  
Simulation Results ◽  
New Research ◽  
Hydraulic Valve

The paper simulate electro-hydraulic valve hydraulic system through the study on hydraulic simulation research, research the response of accuracy and stability, using AMESim software build electro-hydraulic valve model, simulate the actual working conditions of the electro-hydraulic valve and column hydraulic system simulation, verify the correctness of dynamic simulation results. Reference simulation results,we present programs to improve electro-hydraulic valve to improve its stability. AMESim software has good dynamic simulation performance and simulation accuracy, which provides a new research idea for overall dynamic performances accurate analysis of the filling hydraulic support system.

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