Results 91 to 100 of about 638,968 (154)
Análise teórico-experimental de falhas em válvulas direcionais servoproporcionais [PDF]
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico, Programa de Pós-Graduação em Engenharia Mecânica, Florianópolis, 2009.Este trabalho trata da detecção e diagnóstico de falhas em válvulas de controle contínuo ...
Ramos Filho, José Roberto Branco
core
Aiming to solve the difficult problem of the miniaturization of servo valves, this paper designs a subminiature two-dimensional (2D) electro-hydraulic servo valve, which realizes the integration of the pilot stage and the power stage and significantly ...
Lei Pan +4 more
doaj +1 more source
Slıdıng Mode Control Desıgn For A Two Stage Electro Hydraulıc Servo Valve
Hidrolik sistemler, hava araçlarının kontrol yüzeylerinde, iş makinalarında ve yüksek hassas konumlama ekipmanlarında kullanılmaktadır. Özellikle, füze sistemlerinin aerodinamik kontrol yüzeylerinin ve itki vektör kontrol tahrik sistemlerinin hassas ve ...
Alper Esatoğlu
core
Electro-hydraulic servo fatigue testing machines are susceptible to concurrent degradation and failure of multiple components during high-frequency, high-load, and long-duration cyclic operations, posing significant challenges for online health ...
Guotai Huang +4 more
doaj +1 more source
Design and Analysis of Hydraulic Full-Bridge Network for Water Hydraulic Servo Valve
Annular gap throttle has been used in water hydraulic slide valve which makes the hydraulic full-bridge network of the water hydraulic servo valve different from that of traditional hydraulic servo valve with fixed orifice.
Shu Wen Sun +3 more
core +1 more source
The mathematic model of the flow press sever-valve was built in this paper, during the process of building the model, the author took into account the load moment brought by the pair of spray nozzles flow force and the load moment brought by the force ...
Gui Hua Han +3 more
core +1 more source
Análise da influência de parâmetros geométricos em curvas características de válvulas de controle contínuo direcional [PDF]
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico. Programa de Pós-Graduação em Engenharia MecânicaCom a crescente necessidade do aumento da precisão e rapidez de resposta dos sistemas hidráulicos de controle de posição,
Ferronatto, Desyel
core
When the direct-drive electro-hydraulic servo system is used for position control of hydraulic actuators, load unbalance or external disturbances can cause flow imbalance, leading to poor speed stability of the actuator and thus reduced position accuracy.
Shen Huan-huan, Liu Ruo-lan, Li Ge-qiang
doaj +1 more source
Research on Electro-Hydraulic Servo Resonance Technology
In this paper, an electro-hydraulic servo resonance technology is proposed to meet the loading requirements of a high-frequency sound fatigue test for large tonnage.
Hongwei Zhao, Peng Liu, Xiuguang Yang
core +1 more source
Investigation of temperature rise characteristics in the pre-stage of a deflector jet servo valve
In aerospace equipment, the deflector jet servo valve is a high-end core control component of electro-hydraulic servo systems. The pre-stage is crucial because of the compact structure and complex jet morphology.
Li Ma +4 more
doaj +1 more source

