Modeling and Simulation Research of Hydraulic Cylinder Speed Control System Based on High-Speed On-Off Valve

2012 ◽  
Vol 590 ◽  
pp. 161-164
Author(s):  
Qin He Gao ◽  
Wen Liang Guan ◽  
Hai Zhou Song ◽  
Zhi Yong Yang
Keyword(s):  
Control System ◽  
Hydraulic System ◽  
High Speed ◽  
Speed Control ◽  
Hydraulic Cylinder ◽  
Simulation Research ◽  
Parallel Application ◽  
Proposed Model ◽  
Speed Control System ◽  
Small Flow

Application of high-speed on-off valve in the hydraulic cylinder speed control system was researched in this paper. Series and parallel application schemes between high-speed on-off valve and hydraulic cylinder are proposed. Model of high-speed on-off valve and hydraulic circuit were established to carry out simulation. The speed and acceleration curve of hydraulic cylinder were achieved by the means of simulation with Simulink. The simulation curves show that, two application schemes can both control the speed of hydraulic cylinder effectively. Series application scheme can be only applied to small flow hydraulic system; parallel application scheme has wider application.

Design of Hydraulic Cylinder Speed Control System Base on High-Speed on-Off Valve

2012 ◽  
Vol 220-223 ◽  
pp. 1661-1664
Author(s):  
Qin He Gao ◽  
Wen Liang Guan ◽  
Hai Zhou Song ◽  
Zhi Yong Yang
Keyword(s):  
Control System ◽  
Hydraulic System ◽  
High Speed ◽  
Speed Control ◽  
Hydraulic Cylinder ◽  
Pulse Control ◽  
Parallel Application ◽  
Speed Control System ◽  
Small Flow ◽  
The Impact

In order to study the Application of high-speed on-off valve in the hydraulic cylinder speed control system, series and parallel application schemes between high-speed on-off valve and hydraulic cylinder are proposed to control the speed of hydraulic cylinder. The duty cycle of pulse control signal was changed according to the displacement of hydraulic cylinder to control the speed of hydraulic cylinder and weak the impact. The simulation curve compared with the experimental results show that, two application schemes can both control the speed of hydraulic cylinder effectively. Series application scheme can be only applied to small flow hydraulic system; parallel application scheme has wider application.

Experimental Research of Hydraulic Cylinder Speed Control System Based on High-Speed On-Off Valve

2014 ◽  
Vol 614 ◽  
pp. 195-198
Author(s):  
Qin He Gao ◽  
Wen Liang Guan ◽  
Zhi Hao Liu
Keyword(s):  
Control System ◽  
Experimental Research ◽  
Hydraulic System ◽  
High Speed ◽  
Flow Characteristics ◽  
Hydraulic Cylinder ◽  
Pulse Control ◽  
Parallel Application ◽  
Small Flow ◽  
The Impact

Series and parallel application schemes between high-speed on-off valve and hydraulic cylinder are proposed to control the speed of hydraulic cylinder based on the analysis of high-speed on-off valve flow characteristics. The duty cycle of pulse control signal was changed according to the displacement of hydraulic cylinder to control the speed of hydraulic cylinder and weak the impact. The speed and acceleration curve of hydraulic cylinder were achieved by the means of experiment with FESTO. Experimental results show that, two application schemes can both control the speed of hydraulic cylinder effectively. Series application scheme can be only applied to small flow hydraulic system; parallel application scheme has wider application.

Research on the Application of High Speed on Off Valve in the Hydraulic Cylinder Speed Control System

2011 ◽  
Vol 105-107 ◽  
pp. 2284-2288
Author(s):  
Qin He Gao ◽  
Hai Zhou Song ◽  
Zhi Yong Yang ◽  
Bo Liu ◽  
Wen Liang Guan
Keyword(s):  
Control System ◽  
Control Problem ◽  
High Speed ◽  
Research Result ◽  
Speed Control ◽  
Hydraulic Cylinder ◽  
Final Velocity ◽  
Motion State ◽  
Speed Control System

An application of high speed on-off valve which is connected between rod cavity and no-stem cavity of hydraulic cylinder was designed to study the speed control problem when the motion state of hydraulic cylinder is transformed. Research result shows that HSV can reduce the maximum starting acceleration and the final velocity effectively, and can realize the speed control when the motion state of hydraulic cylinder is transformed.

Design of Direct-Control Hydraulic Cylinder Speed Control System Base on High-Speed On-Off Valve

2013 ◽  
Vol 273 ◽  
pp. 704-708
Author(s):  
Qin He Gao ◽  
Zhi Hao Liu ◽  
Ya Jun Shao ◽  
Ting Qiong Dong
Keyword(s):  
Control System ◽  
Duty Cycle ◽  
High Speed ◽  
Research Result ◽  
Speed Control ◽  
Hydraulic Cylinder ◽  
Pulse Control ◽  
Direct Control ◽  
Speed Control System ◽  
The Impact

Application of high-speed on-off valve in the hydraulic speed control system was researched in this paper. The direct-control circuit application of high speed on-off valve is proposed to control the speed of hydraulic cylinder. The duty cycle of pulse control signal was changed according to the displacement of hydraulic cylinder to control the speed and weak the impact. The speed and accelerated speed curves of hydraulic cylinder were achieved by the means of simulation with Simulink and experiment with FESTO is obtained, and research result shows that the applied scheme can effectively control the speed of hydraulic cylinder effectively.

Design of Bypass-Throttle Hydraulic Cylinder Speed Control System Base on High-Speed On-Off Valve

2013 ◽  
Vol 645 ◽  
pp. 405-408 ◽  
Author(s):  
Qin He Gao ◽  
Zhi Hao Liu ◽  
Hai Zhou Song ◽  
Li Ming Liu
Keyword(s):  
Control System ◽  
Duty Cycle ◽  
High Speed ◽  
Research Result ◽  
Speed Control ◽  
Hydraulic Cylinder ◽  
Control Signal ◽  
Pulse Control ◽  
Speed Control System ◽  
The Impact

Application of high-speed on-off valve in the hydraulic speed control system was researched in this paper. The bypass-throttle circuit application of high speed on-off valve is proposed to control the speed of hydraulic cylinder. The duty cycle of pulse control signal was changed according to the displacement of hydraulic cylinder to control the speed and weak the impact. The speed and accelerated speed curves of hydraulic cylinder were achieved by the means of simulation with Simulink and experiment with FESTO is obtained, and research result shows that the applied scheme can effectively control the speed of hydraulic cylinder effectively.

Rapid Design of DC Motor Speed Control System Based on MATLAB

2015 ◽  
Vol 743 ◽  
pp. 168-171 ◽  
Author(s):  
Xiao Lei Wang ◽  
Tai Yuan Yin ◽  
Jin Tao Chen ◽  
Jian Xun Liang ◽  
Yang Li
Keyword(s):  
Control System ◽  
High Speed ◽  
High Efficiency ◽  
Speed Control ◽  
Dc Motor ◽  
Motor Speed ◽  
Loop Control ◽  
Rapid Design ◽  
Speed Control System ◽  
Low Efficiency

DC motor speed control system is a typical closed-loop control system ofelectromechanical control subject. This paper presents a fast and efficient developing method ofcontrol system based on MATLAB, overcoming the shortcomings of the low efficiency and longdesign cycle in the traditional control system, and completing the rapid design of DC motor speedcontrol system, with its whole process based on MATLAB through the combination and applicationof the multiple toolboxes of the MATLAB. It applies the System Identification toolbox ofMATLAB to model the DC motor, the Simulink toolbox to simulate the control system, SimulinkDesign Optimization toolbox to optimize the PID parameters automatically, and the RTWtechnology to generate the codes for the DSP target board. Compared with the traditional designmethod, this method is characterized by high-efficiency, high-speed, and easy adjustment, havingcertain significance to the design of other control systems.

A Regulator Parameter Setting Simulation Research on Double Closed Loop Speed Control System

2013 ◽  
Vol 655-657 ◽  
pp. 1348-1353
Author(s):  
Wen Tao Liu ◽  
Zhong Hu Yuan ◽  
Xiao Wei Han
Keyword(s):  
Control System ◽  
Closed Loop ◽  
Optimal Parameter ◽  
System Development ◽  
Speed Control ◽  
Simulation Method ◽  
Actual System ◽  
Simulation Research ◽  
Speed Control System ◽  
Speed Regulator

For the good performance of Double closed-loop DC speed control system, it is widely used . When the motor are selected, the parameters of the system can not be changed. Then,the system performance can only be improved by changing the parameters of the inner ring current regulator and outer ring speed regulator of the double-loop DC converter system. This paper studies mathematical modeling and system simulation of Direct Current Governor System on Matlab simulink platform. The simulation method, can adjust the system controller parameters flexibly, so as to achieve the ideal design results, and the design of the system are analyzed, the optimal "parameter range" is found, It can save the time of system development,and improve the standardization degree of system design.And the simulation results of the system can provide primary plannings and guidances for the actual system design,thereby lower the design cost of hardware largely, enhance the accuracy of hardware installation.

Simulation Research on Steering Electromotor Control for Electric Pallet Truck Based on Fuzzy Adaptive PID

2011 ◽  
Vol 101-102 ◽  
pp. 564-568
Author(s):  
Li Sheng Shu ◽  
Guo Ping Li
Keyword(s):  
Control System ◽  
Control Method ◽  
Speed Control ◽  
Control Device ◽  
Steering Control ◽  
Simulation Research ◽  
Brushless Dc ◽  
Speed Control System ◽  
Static Performance ◽  
Fuzzy Adaptive

According to the mathematical model of brushless DC motor (BLDCM), control equations of BLDCM speed control system and simulation model were established for steering control device in electric pallet truck based on transfer function in Matlab/Simulink. The fuzzy adaptive PID control method was introduced to speed control system, and it can realize PID parameter’s online adjustment. Simulation result shows that the designed speed controller based on fuzzy adaptive PID has better dynamic and static performance than the controller based on traditional PID, and the control accuracy is also greatly improved.

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