Results 31 to 40 of about 545,828 (225)
Membranes, 2021 A three-dimensional model for the simulation of concentration polarisation in a full-scale spiral wound reverse osmosis (RO) membrane element was developed.
Wenshu Wei +5 more
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DESIGN METHOD FOR ELECTRO-HYDRAULIC CONVERTERSOF AIRCRAFT ENGINES
Авіаційно-космічна техніка та технологія, 2019 The main trends in the use of aircraft engines actuators, that convert electrical commands into mechanical and hydraulic, are presented. Examples of the use of modern engine control systems are described, in which hydraulic cylinders are used to move the
Евгений Александрович Кононыхин +1 more
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Zhongguo Jianchuan Yanjiu, 2022 ObjectiveIn order to realize the precise control of a certain type of electro-hydraulic position servo system, a feedback-feedforward variable gain iterative learning method is proposed. MethodFirst, the simplified model of the electro-hydraulic position
Xuan LIU +4 more
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Development Status and Research Progress of a Tractor Electro-Hydraulic Hitch System
Agriculture, 2022 A tractor electro-hydraulic hitch system is considered one of the most important systems that play a strategic role in the power transmission and operation depth control of a tractor’s field operation.
Xiaoxu Sun +6 more
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Mathematical modelling and numerical simulation of linear electro-hydraulic servomechanism with stepper motor [PDF]
E3S Web of Conferences, 2020 The paper presents the results of research on the performance of linear electro-hydraulic servomechanisms with stepper motor, evaluated by mathematical modelling and numerical simulation with the AMESIM software package.
Muraru Vergil +4 more
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Stone stability in breakwater toes based on local hydraulic conditions [PDF]
, 2014 This study investigates the stability of rocks in breakwater toes. Previous studies have coupled the toe stability directly to the wave height, which is not physically accurate.
Peters, R.B.M. (Ruben) +1 more
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Advances in Mechanical Engineering, 2018 Conventional high-frequency cleaners utilize functional materials (e.g. piezoelectric ceramics, magnetostrictive materials) excited by electrical signals to realize high-frequency vibration, even ultrasonic vibration.
Xiancheng Ji, Yan Ren, Hesheng Tang
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Built-in test technology for electro-hydraulic servo-valve amplifier
Zhongguo Jianchuan Yanjiu, 2021 Objectives The electro-hydraulic servo valve operates in a harsh working environment but lacks integrated testability. In order to improve the usability and maintainability of electro-hydraulic servo valves, it is necessary to design a built-in test (BIT)
Jianping YUAN, Hanbing SUN
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Applied Sciences, 2023 An electro-hydraulic profiling mechanism has been gradually applied to provide suitable downforce for a no-till row unit and to ensure the consistency of the seed sowing depth.
Liming Zhou +8 more
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A Digital Hydraulic Valve, Actuated Using a Piezoelectric Linear Motor [PDF]
, 2011 Proportional control in hydraulics is widely utilized. The most widely used current types of proportional valves utilize solenoid technology. While this technology has been around for decades and has been proven an effective means of control, there is ...
Bevill, Brian C
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