Communications - Scientific Letters of the University of Zilina 2021, 23(4):B336-B345 | DOI: 10.26552/com.C.2021.4.B336-B345

Electro-Hydraulic Proportional System Real Time Tracking Control Development Based on Pulse width Modulation Method

Ezz Eldin Ibrahim ORCID...1, Tarek Elnady ORCID...1, Mohamed Saffaa Hassan ORCID...1, Ibrahim Saleh ORCID...1
Military Technical College, Cairo, Egypt

The presented work was directed to develop the dynamic performance of an electro-hydraulic proportional system (EHPS). A mathematical model of the EHPS is presented using electro- hydraulic proportional valve (EHPV) by Matlab-Simulink, which facilitates the simulation of the hydraulic behavior inside the main control unit. Experimental work is done and the closed loop system is designed using the linear variable displacement transducer sensor (LVDT). The controller of the system is an Arduino uno, which is considered as a processor of the system. The model is validated by the experimental system. The study also presents a real time tracking control method, based on pulse width modulation, by controlling the speed of the actuator to achieve the position tracking with minimum error and low transient time, by applying the constant input signal 50mm the transient time was 0.9 seconds and the error 1.8%.

Keywords: hydraulic control; proportional valve; electro hydraulic proportional system; PWM control method; position tracking control

Received: February 17, 2021; Accepted: April 15, 2021; Prepublished online: September 17, 2021; Published: October 1, 2021  Show citation

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Eldin Ibrahim, E., Elnady, T., Hassan, M.S., & Saleh, I. (2021). Electro-Hydraulic Proportional System Real Time Tracking Control Development Based on Pulse width Modulation Method. Communications - Scientific Letters of the University of Zilina, 23(4), B336-345. doi: 10.26552/com.C.2021.4.B336-B345
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