International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
Call for Papers | Fully Refereed | Open Access | Double Blind Peer Reviewed

ISSN: 2319-7064


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Research Paper | Engineering Science | China | Volume 4 Issue 6, June 2015


Modeling and Simulation on Fuzzy-PID Position Controller of Electro Hydraulic Servo System

Amanuel Tadesse Gebrewold | Ma Jungong


Abstract: Conventional (classical) PID controller has been difficulty to compensate uncertainties, internal and external disturbances and highly nonlinearity in the control of EHS (electro hydraulic servo) position control system. In this paper a fuzzy-PID controller is proposed due superior to the conventional ones, particularly for higher-order, time-delayed, and nonlinear systems and for those systems that have only vague mathematical models which the conventional PID controllers are difficult to handle. The fuzzy-PID controller design methods are conceptually easy to understand, flexible and based on natural language has advantages and it can be used to directly replace the conventional ones in applications. A simulation model of position servo system is constructed in MATLAB/Simulink based on asymmetrical hydraulic cylinder. By comparing the conventional PID and fuzzy-PID controller, the simulation result shows that fuzz-PID control system has better static and dynamic performance.


Keywords: servo position control system, electro hydraulic, Fuzzy-PID, MATLAB/Simulink


Edition: Volume 4 Issue 6, June 2015,


Pages: 1000 - 1005


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