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.

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.

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.

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.

Inverse Kinematic Solution and Dynamic Model to 3PTT Parallel Mechanism

2014 ◽  
Vol 945-949 ◽  
pp. 1421-1425
Author(s):  
Xiu Qing Hao
Keyword(s):  
Dynamic Model ◽  
Dynamic Simulation ◽  
Parallel Mechanism ◽  
Inverse Kinematic ◽  
Euler Method ◽  
Research Subject ◽  
Adams Software ◽  
Inverse Kinematic Analysis ◽  
Simulation Results ◽  
Kinematic Solution

Take typical parallel mechanism 3PTT as research subject, its inverse kinematic analysis solution was gotten. Dynamic model of the mechanism was established by Newton-Euler method, and the force and torque equations were derived. Dynamic simulation of 3PTT parallel mechanism was done by using ADAMS software, and simulation results have verified the correctness of the theoretical conclusions.

Dynamic Simulation of Large Flow Solenoid Valve

2016 ◽  
Author(s):  
Z. Liu ◽  
X. Han ◽  
Y. F. Liu
Keyword(s):  
Dynamic Model ◽  
Dynamic Simulation ◽  
Dynamic Characteristics ◽  
Nonlinear Dynamic ◽  
Structural Parameters ◽  
Solenoid Valve ◽  
Simulation Software ◽  
Experimental Results ◽  
Nonlinear Dynamic Model ◽  
Large Flow

A nonlinear dynamic model of a large flow solenoid is presented with the multi-physics dynamic simulation software called SimulationX. Validation is performed by comparing the experimental results with the simulated ones. The dynamic characteristics of the large flow solenoid valve are analyzed. Different structural parameters are modified in this research and the diameter of the orifice is proved to be one of the most important parameters which influences the pressure response most.

Modeling and Simulation of Hydraulic Power-Assistant Steering System Based on Power Bond Graph Method

2012 ◽  
Vol 482-484 ◽  
pp. 452-456 ◽  
Author(s):  
Gui Hua Fang ◽  
Chao Chen ◽  
Jin Feng Liu
Keyword(s):  
Performance Analysis ◽  
Software Package ◽  
Theoretical Basis ◽  
Optimization Design ◽  
Steering System ◽  
Bond Graph ◽  
Hydraulic Power ◽  
Graph Method ◽  
Power Bond Graph ◽  
Dynamical Properties

The structure and the operating principle of automobile hydraulic power-assistant steering system (HPS) are studied. The state-pace equation of the system is established by applying power bond graph method. The simulation of HPS is carried on in Simulink which is a software package of Matlab, and the dynamical properties of HPS are analyzed under different conditions. The simulation consequences provide theoretical basis for performance analysis and optimization design of HPS.

Dynamic Modeling and Optimal Design of a 2R Compliant Mechanism

2017 ◽  
Author(s):  
Wenshuo Ma ◽  
Yan Xie ◽  
Jingjun Yu ◽  
Xu Pei
Keyword(s):  
Optimal Design ◽  
Dynamic Model ◽  
Dynamic Modeling ◽  
Dynamic Characteristics ◽  
Natural Frequencies ◽  
Compliant Mechanisms ◽  
Compliant Mechanism ◽  
Dynamic Performance ◽  
Dynamic Problems ◽  
Numerical Result

Dynamic performance is of great importance to compliant mechanisms which are employed in dynamic applications, especially if the dynamic problems in DOC (degree of constraint) directions are to be met. An investigation on the dynamic characteristics of a 2R compliant mechanism is presented. Based on the substructure techniques, the in-plane dynamic model of the preceding compliant mechanisms is developed. The natural frequencies and sensitivities are then analyzed. The numerical result verifies the validity of the proposed method. Finally, optimal design of compliant mechanism is investigated.

Modeling and Simulation of Electro-Hydraulic Proportional Position Control System with the Flexible Hose

2012 ◽  
Vol 468-471 ◽  
pp. 2094-2099 ◽  
Author(s):  
Yong Tian ◽  
Bo Liu ◽  
Hong Wei Gao ◽  
Wei Qi Li
Keyword(s):  
Mathematical Modeling ◽  
Control System ◽  
Dynamic Simulation ◽  
Hydraulic System ◽  
Position Control ◽  
Flexible Hose ◽  
Proportional Control ◽  
Power Bond Graph ◽  
Position Control System ◽  
Hose Model

A method which utilizes the power bond graph to establish the flexible hose model is described in this work. By using this method, the paper establishes mathematical modeling for the location of electro-hydraulic proportional control system with the flexible hose. And then, this article completes dynamic simulation by MATLAB and analyses the results of simulation. The effect of the flexible hose parameters on dynamics characteristics of the hydraulic system is also studied.

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