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Fawaz Yahya Annaz and Malaka Miyuranga Kaluarachchi
The power to move aircraft control surfaces has advanced from being manually generated (by the pilot and transmitted via rods and links) to electrically transmitted (via wires) to operate control surface actuators. Various hydraulic, electromagnetic, and...
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Antonio Carlo Bertolino, Andrea De Martin, Giovanni Jacazio and Massimo Sorli
The evolution toward ?more electric? aircraft has seen a decisive push in the last decade due to growing environmental concerns and the development of new market segments (flying taxis). Such a push has involved both the propulsion components and the air...
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Lan Li, Yi Jiang, Xiaowei Yang and Jianyong Yao
Uncertainties and disturbances widely exist in electrohydraulic lifting mechanisms of launcher systems, which may worsen the rapid-erection tracking accuracy and even make the system unstable. To deal with the issue, an asymptotic tracking control framew...
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Guisheng Zhao, Shaonan Chen, Yixiang Liu and Kai Guo
In real-world applications, hydraulic pressure control performance is influenced by model uncertainties, the control bandwidths of valves and pumps, and deviations from the linear working region. To overcome the aforementioned obstacles, a novel referenc...
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Xigui Wang, Jian Zhang, Yongmei Wang and Chen Li
An improved Self-Turbulent Flow (STF) algorithm is proposed. A mathematical model of the Electrohydraulic Servo (EHS) control system for Lubricating Oil Static Pressure (LOSP) acquisition is presented, and the STF controller is designed for numerical ana...
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Alexander Mitov, Tsonyo Slavov and Jordan Kralev
The impossibility of replacing hydraulic drives with other type drives in heavy duty machinery is the main reason for the development of a system for controlling hydraulic power steering. Moreover, the need for remote automatic control of the steering in...
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João Falcão Carneiro, João Bravo Pinto, Nuno A. Cruz and Fernando Gomes de Almeida
The growing needs in exploring ocean resources have been pushing the length and complexity of autonomous underwater vehicle (AUV) missions, leading to more stringent energy requirements. A promising approach to reduce the energy consumption of AUVs is to...
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Duc-Thien Tran, Minh-Nhat Nguyen and Kyoung Kwan Ahn
An electrohydraulic elastic manipulator (EEM) is a kind of variable stiffness system (VSS). The equilibrium position and stiffness controller are the two main problems which must be considered in the VSS. When the system stiffness is changed for a specif...
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Peng Zhang and Yunhua Li
A structural scheme is proposed to match the pump delivery pressure and the aircraft load. PID, LQR and backstepping sliding control method are used.
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Duc-Thien Tran, Hoai-Vu-Anh Truong and Kyoung Kwan Ahn
In this paper, an adaptive robust control is investigated in order to deal with the unmatched and matched uncertainties in the manipulator dynamics and the actuator dynamics, respectively. Because these uncertainties usually include smooth and unsmooth f...
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