Fuzzy control of road excitation simulator by an electro-hydraulic actuator

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کد مقاله : 1068-ISAV2023 (R1)
نویسندگان
1Mechanical engineering department, Sahand University of Technology
2Assistant Professor, Sahand University of Technology,Tabriz,Iran
چکیده
Road excitation simulator is used to generate time-varying road irregularities applied to vehicle platform in a laboratory. This study deals with experimentally implementation of an electrohy-draulic actuator control in a road excitations simulator. A fuzzy controller is designed based on the expert knowledge of the system, in which the output is measured using a linear variable dif-ferential transformer (LVDT). The fuzzy controller employs the Mamdani method structure to calculate the appropriate voltage of the electro-hydraulic directional valves for tracking the de-sired inputs for road excitations. Finally, the experimental results conducted on a fabricated plat-form of road simulator is given to illustrate the good performance of the proposed control scheme. The controller is implemented in the LabView interface, and the results of the proposed controller are compared with the conventional PID in different reference trajectories. The results indicate the accuracy and reliability of the proposed method in comparing with the conventional proportional-integral-derivative (PID) controller.
کلیدواژه ها
موضوعات
 
Title
Fuzzy control of road excitation simulator by an electro-hydraulic actuator
Authors
Abstract
Road excitation simulator is used to generate time-varying road irregularities applied to vehicle platform in a laboratory. This study deals with experimentally implementation of an electrohy-draulic actuator control in a road excitations simulator. A fuzzy controller is designed based on the expert knowledge of the system, in which the output is measured using a linear variable dif-ferential transformer (LVDT). The fuzzy controller employs the Mamdani method structure to calculate the appropriate voltage of the electro-hydraulic directional valves for tracking the de-sired inputs for road excitations. Finally, the experimental results conducted on a fabricated plat-form of road simulator is given to illustrate the good performance of the proposed control scheme. The controller is implemented in the LabView interface, and the results of the proposed controller are compared with the conventional PID in different reference trajectories. The results indicate the accuracy and reliability of the proposed method in comparing with the conventional proportional-integral-derivative (PID) controller.
Keywords
Fuzzy controller, electro-hydraulic actuator, hydraulic valves, practical implementation
مراجع

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