Based on Power Bond Graph’s Hydraulic System of Energy Release Research

2012 ◽  
Vol 468-471 ◽  
pp. 587-590
Author(s):  
Yong Tian ◽  
Hong Wei Gao ◽  
Bo Liu ◽  
Wei Qi Li
Keyword(s):  
Energy Release ◽  
Hydraulic System ◽  
Bond Graph ◽  
State Equation ◽  
The State ◽  
Power Bond Graph ◽  
Working Principle ◽  
Simulation Results

Describes the working principle of hydraulic system elevator, established the power bond graph and the state equation of the energy release circuit, and the simulation results prove the feasibility of energy release circuit.

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.

Modeling and Simulation of Hydraulic System of the Working Device of the Wheel Loader Based on Power Bond Graph

2012 ◽  
Vol 251 ◽  
pp. 221-225
Author(s):  
Jian Xiao Zheng ◽  
Zhi Shan Duan ◽  
Bao Liang Guo
Keyword(s):  
Hydraulic System ◽  
Bond Graph ◽  
Dynamic Equations ◽  
Wheel Loader ◽  
Power Dynamic ◽  
Simulink Simulation ◽  
Power Bond Graph ◽  
Working Principle ◽  
Working Device ◽  
Simulation Parameters

Based on the working principle of the hydraulic system for the working device of ZL60 wheel loader, the power bond graph of its hydraulic system is established by using the power bond graph method under the different working conditions. The power dynamic equations of the system is written out according to the established power bond graph and the Simulink simulation model has been established under the bucket backward operating condition on the basis of the power dynamic equations of the system. This simulation will be carried out by Setting the simulation parameters of the hydraulic system, applying the Simulink software and compiling the M function file. Through these studies, the performance curve of the hydraulic system can be obtained.

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.

Modeling and Simulation of Hydraulic System of the Tower-Belt Based on Power Bond Graph

2011 ◽  
Vol 328-330 ◽  
pp. 1721-1724
Author(s):  
Jun Zhou Wang ◽  
Jian Zhong Zhou ◽  
Guang Jing Cao ◽  
Xiao Yuan Zhang
Keyword(s):  
Hydraulic System ◽  
Block Diagram ◽  
Simulation Method ◽  
Bond Graph ◽  
Dynamic Equations ◽  
Performance Curve ◽  
Construction Machinery ◽  
Power Bond Graph ◽  
Working Principle ◽  
Simulation Parameters

Based on the working principle of the TC2400 Tower-belt, the power bond graph of the hoisting mechanism hydraulic system was established under the listing loads condition. The dynamic equations of the system were deduced according to the logical relations amongst the established power bond graph variables. Based on the dynamic equations of the system, the system’s simulation model was established using the block diagram of SIMULINK. By setting the simulation parameters of the hydraulic system, this simulation was carried out, and the performance curve of the hydraulic system was obtained. The simulation results checked the validity of the simulation method, proved the feasibility to build model and simulate the hydraulic system of the large construction machinery by combining power bond graph with SIMULINK, and provided a theoretical direction for improving and optimizing the system.

Simulation Study of the Hydraulic System of Concrete Pumping Truck Based on AMESim

2012 ◽  
Vol 170-173 ◽  
pp. 1920-1925
Author(s):  
Chang Ge Fan ◽  
Fa Lin Zeng ◽  
De Hua Li ◽  
Lei Liu
Keyword(s):  
Simulation Study ◽  
Hydraulic System ◽  
Hydraulic Cylinder ◽  
Hydraulic Shock ◽  
Buffer Effect ◽  
Concrete Pumping ◽  
Working Principle ◽  
Simulation Results ◽  
The Relationship ◽  
Buffer Structure

The working principle of concrete pumping hydraulic system was analyzed. And base on the AMESim software, the complete simulation model of concrete pumping hydraulic system was built. A simulation was made to get the dynamic characteristics curve of hydraulic cylinder velocity and displacement at some specific conditions. The simulation results indicate that the model is reasonable. Comparative simulations of the pumping hydraulic system with different positions of buffer structure were carried out to study the relationship between buffer effect and the buffer position which can be used to provide theory basis for deeper study of the hydraulic shock.

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.

Nonlinear Model and Digital Simulation Analysis of Valve Controlled Cylinder Base on Power Bond Graph

2011 ◽  
Vol 80-81 ◽  
pp. 841-844
Author(s):  
Ling Yu ◽  
Yan Chun Zhao ◽  
Chun Qiang Jia
Keyword(s):  
Simulation Model ◽  
Nonlinear Model ◽  
Dynamic Characteristics ◽  
Simulation Analysis ◽  
Digital Simulation ◽  
Bond Graph ◽  
Scientific Basis ◽  
Slide Valve ◽  
Power Bond Graph ◽  
Simulation Results

In this paper the nonlinear model of zero open symmetrical cylinder controlled by four-way slide valve system was established base on power bond graph. The flexible simulation model was building up by the use of simulink toolbox in MATLAB. The model’s dynamic characteristics were stimulated. The simulation results showed the nonlinear model could reflect the dynamic characteristics of the valve controlled cylinder accurately. So it provided scientific basis for estimating the characteristics and correct using of the controlled cylinder system.

Dynamic Characteristics Modeling and Simulating for Fixed Differential Overflow Valve by Power Bond Graph

2011 ◽  
Vol 101-102 ◽  
pp. 283-289
Author(s):  
Ji Kang Bo
Keyword(s):  
Dynamic Characteristics ◽  
Hydraulic System ◽  
Bond Graph ◽  
Hydraulic Circuit ◽  
Dynamics Model ◽  
Relief Valve ◽  
Cylinder Piston ◽  
Power Bond Graph ◽  
Computerized Simulation ◽  
Mathematical Characteristics

This paper introduces the dynamics model and mathematical characteristics of the constant difference of overflowing pressure with computerized simulation by power bond graph of the fixed differential relief valve hydraulic system on simplified vertical planetary internal grinder, which puts forth proposals to design hydraulic circuit or component. Simulation shows that, when the load changes more than 50%, the speed of cylinder piston changes less than 0.31%, and the efficiency of the hydraulic system has also been greatly improved, which matches the experiments. It makes certain reference to the design of the hydraulic system in which the load changes large.

Simulation for Dynamic Characteristics of Hydraulic Breaker

2013 ◽  
Vol 663 ◽  
pp. 537-544
Author(s):  
Li Shun Li ◽  
Xiang De Meng ◽  
Hong Xun Li ◽  
Shu Jun Tian
Keyword(s):  
Dynamic Response ◽  
Simulation Model ◽  
Numerical Method ◽  
Dynamic Characteristics ◽  
Time Domain ◽  
Hydraulic System ◽  
Bond Graph ◽  
Power Bond Graph ◽  
Working Parameters

Based on the method of power bond graph, the simulation model of the hydraulic system of the hydraulic breaker is presented. Treanor’s numerical method is applied to calculate the dynamic response of the hydraulic breaker in time domain. The dynamic Characteristics of the piston and the spool is achieved. The influence regularity of the working parameters on the performance of hydraulic breaker is shown.

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