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  • Open Access

    ARTICLE

    Fault-Tolerant Control of the Piston Position via Pressure Sensor and Its Estimation for Mini Motion Package of Electro-Hydraulic Actuator

    Huy Q. Tran1, Tan Nguyen Van2,*, Cheolkeun Ha3

    CMC-Computers, Materials & Continua, Vol.85, No.1, pp. 1053-1072, 2025, DOI:10.32604/cmc.2025.064386 - 29 August 2025

    Abstract Hydraulic-electric systems are widely utilized in various applications. However, over time, these systems may encounter random faults such as loose cables, ambient environmental noise, or sensor aging, leading to inaccurate sensor readings. These faults may result in system instability or compromise safety. In this paper, we propose a fault compensation control system to mitigate the effects of sensor faults and ensure system safety. Specifically, we utilize the pressure sensor within the system to implement the control process and evaluate performance based on the piston position. First, we develop a mathematical model to identify optimal parameters… More >

  • Open Access

    ARTICLE

    Fuzzy Feedback Control for Electro-Hydraulic Actuators

    Tan Nguyen Van1, Huy Q. Tran2,*, Vinh Xuan Ha3, Cheolkeun Ha4, Phu Huynh Minh1

    Intelligent Automation & Soft Computing, Vol.36, No.2, pp. 2441-2456, 2023, DOI:10.32604/iasc.2023.033368 - 05 January 2023

    Abstract Electro-hydraulic actuators (EHA) have recently played a significant role in modern industrial applications, especially in systems requiring extremely high precision. This can be explained by EHA’s ability to precisely control the position and force through advanced sensors and innovative control algorithms. One of the promising approaches to improve control accuracy for EHA systems is applying classical to modern control algorithms, in which the proportional–integral–derivative (PID) algorithm, fuzzy logic controller, and a hybrid of these methods are popular options. In this paper, we developed a novel version of the fuzzy control algorithm and linear feedback control… More >

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