Fuzzy PID control for direct drive electro-hydraulic position servo system

2011 ◽  
Author(s):  
Yu Lin-ke ◽  
Zheng Jian-ming ◽  
Yuan Qi-long ◽  
Xiao Ji-ming ◽  
Li Yan
Keyword(s):  
Pid Control ◽  
Servo System ◽  
Fuzzy Pid ◽  
Direct Drive ◽  
Fuzzy Pid Control ◽  
Position Servo

Intelligent Fuzzy PID Control of Pneumatic Position Servo System

2011 ◽  
Vol 186 ◽  
pp. 100-104
Author(s):  
Jin Yu ◽  
Jian Wei Liu ◽  
Xue Fei Liu
Keyword(s):  
Pid Control ◽  
Control Algorithm ◽  
Control Process ◽  
Servo System ◽  
Mathematics Model ◽  
Growing Up ◽  
Fuzzy Pid ◽  
Fuzzy Pid Control ◽  
Position Servo ◽  
Technology Control

Pneumatic position servo is a rapidly growing-up technology, control strategy play a key role in system performance. This article studies pneumatic position servo system, through applying the control algorithm of intelligent fuzzy PID, it has settled the difficulties of building precise mathematics model by traditional control methods and the problems of exceeding or lagging in the control process. The experiments show that, the control has achieved the expected results, and has large prospects for application in the area of industry automatization.

Research on Application of Fuzzy PID Control in Linear Servo System

2013 ◽  
Vol 389 ◽  
pp. 556-562 ◽  
Author(s):  
Xiang Cheng Sun ◽  
Hai Chen Qin ◽  
Jian Kui Chen
Keyword(s):  
Pid Control ◽  
Pid Controller ◽  
Servo System ◽  
Fuzzy Pid ◽  
Direct Drive ◽  
Control Effect ◽  
Fuzzy Pid Control ◽  
Fuzzy Pid Controller ◽  
Dynamic Tracking ◽  
Research On Application

Due to the nonlinearity, time-varying and load disturbance in linear servo system, the conventional PID control is hard to get an ideal control effect, this paper deduces the mathematical model of the permanent magnet linear synchronous motor (PMLSM) direct drive system, designs a fuzzy PID controller by combining fuzzy control with conventional PID control, adjust the parameters of PID controller in real time by making use of fuzzy control's ability of adjusting online. Simulation and experimental results show that the fuzzy PID controller is superior to the conventional PID controller in responsiveness, steady performance and dynamic tracking, which can shorten the positioning time, improve the system positioning accuracy.

Hybrid Fuzzy PID Control for Synchrodrive System of Dual Linear Motors

2011 ◽  
Vol 130-134 ◽  
pp. 804-808
Author(s):  
Ren Yi Wan ◽  
Yu Zeng Zhang ◽  
Hong Hui Sun ◽  
Wei Zhou ◽  
Zhuo Jun Chen
Keyword(s):  
Control Method ◽  
Feedforward Control ◽  
Servo System ◽  
Superior Performance ◽  
Fuzzy Pid ◽  
Fuzzy Pid Control ◽  
Mechanical Coupling ◽  
Linear Motors ◽  
Hybrid Fuzzy Pid ◽  
Position Servo

In this paper, a synchrodrive scheme for dual linear motors position servo system in gantry moving type milling machine is presented. The feedforward control, disturbance observer and electrical cross coupled control algorithm based on fuzzy PID are applied to the position servo system to counteract the influence of mechanical coupling rapidly, and then meet dynamic synchronized performance in machining. From the simulated, the results show that the proposed control method is effective and yield superior performance.

Fuzzy PID Control of Materials Testing Machine Electrical Hydraulic Servo System

2013 ◽  
Vol 765-767 ◽  
pp. 1873-1876
Author(s):  
Xiu Juan Liu ◽  
Yan Chun Liu ◽  
Yue Ming Yang ◽  
Kai Zhao ◽  
Yi Zhu
Keyword(s):  
Pid Control ◽  
Testing Machine ◽  
Servo System ◽  
Good Effect ◽  
Materials Testing ◽  
Fuzzy Pid ◽  
Fuzzy Pid Control ◽  
Load Disturbance ◽  
Hydraulic Servo ◽  
Hydraulic Servo System

Material experiment system of hydraulic servo system is subject to load disturbance and load disturbance is a function of standard mechanical parameters of rock samples. Rock mass is very discrete, anisotropy, composition is not single and inelastic[. Traditional tester can't get the complete stress-strain curve of rock[ material, in order to solve the shortage of the traditional hydraulic servo system, in this paper, the fuzzy PID control is successfully applied to the hydraulic servo system, through the experiments and get good effect.

Modeling and Simulation Research of NC Machine Servo System Based on Fuzzy PID Control

2012 ◽  
Vol 214 ◽  
pp. 924-928
Author(s):  
Mao Yao Ao
Keyword(s):  
Pid Control ◽  
Pid Controller ◽  
Servo System ◽  
Response Speed ◽  
Quick Response ◽  
Fuzzy Pid ◽  
Fuzzy Pid Control ◽  
Simulation Research ◽  
Fuzzy Pid Controller ◽  
Nc Machine

Traditional PID control has not been able to meet the control requirements. This paper has designed one type of Fuzzy PID controller to use in NC Machine Servo System. Simulate the response of Fuzzy PID controller and traditional PID controller by Simulink in MATLAB. The simulation results indicated that the Fuzzy PID controller had quick response speed, strong robustness, high precision and non-overshoot etc. It improved the whole control performance of NC Machine Servo System.

Variable Structure Fuzzy PID Plane Flat End Steering Gear Servo System

2013 ◽  
Vol 310 ◽  
pp. 532-535
Author(s):  
Le Peng Song ◽  
Hua Bin Wang
Keyword(s):  
Pid Control ◽  
Control Method ◽  
Fuzzy Theory ◽  
Servo System ◽  
Good Control ◽  
Variable Structure ◽  
Mathematic Model ◽  
Fuzzy Pid ◽  
Control Effect ◽  
Fuzzy Pid Control

A mathematic model, focusing on the control of tail plane actuator servo system, is established based on control theories. Considering its nonlinearity and intermittence, a fuzzy-PID control method is brought forward based on fuzzy theory. The design of a fuzzy-PID controller has been accomplished. and its comparision with conventional PID control and P control has been made. The final system simulation is conducted with Simulink under the effect of unit step signal.The result shows that the fuzzy-PID control has a better performance in speed, response and anti-jamming. It has a satisfactory dynamic characteristic while not losing the advantages of the fuzzy control and the PID control. Therefore, it enhances the integral property of the tail plane actuator servo system and obtains a good control effect. In a word, the new system can meet the requirement of the system better.

Research and Applications of Fuzzy-PID Control on NC Machine

2008 ◽  
Vol 392-394 ◽  
pp. 650-654
Author(s):  
Tan Cheng Xie ◽  
X. Nan
Keyword(s):  
Pid Control ◽  
Control Method ◽  
Servo System ◽  
Control Unit ◽  
Numerical Control ◽  
Milling Machine ◽  
Fuzzy Pid ◽  
Motion Controller ◽  
Fuzzy Pid Control ◽  
Nc Machine

This dissertation mainly introduces Fuzzy-PID Control which are used in the PFPL (Pseudo-flexible Production Line). The servo system plays an important role in the NC machine. The performance of servo system decide the quality of NC machine in very great degree This dissertation research and develop a milling and paring manufacture unit of open CNC system -- Numerical control unit of PFPL. By using the GT-SV motion controller, put up the software and hardware platform of NC unit rapidly with module design method and the target -oriented programming idea .Take NC milling machine as the process platform, this dissertation use intellectual PID control method to improve the servo control of motion controller, through the pointing accuracy survey of the milling machine, confirmed the actual effect of Fuzzy-PID control.

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