hydraulic directional control valve

基本解釋

When a set of Hydraulic Elevators are used, then a hydraulic supply from a directional control valve is required.
當(dāng)使用一套液壓提升集時(shí)，那么一個(gè)提供液壓動(dòng)力的方向控制閥是必需的。
PLC, electro-hydraulic switch valve and proportional directional control valves were used to construct the automatic steering control system based on PD control algorithm.
由PLC、電控開關(guān)液壓閥和比例方向液壓閥組成自動(dòng)轉(zhuǎn)向控制系統(tǒng)，設(shè)計(jì)了PD轉(zhuǎn)向控制算法；
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This paper describes the differential load-sensitive valve control system is a bi-directional hydraulic cylinder, the key control component P-Q valve is particularly emphasized.
應(yīng)用負(fù)載敏感控制理論的電液伺服控制系統(tǒng)是非常有前景的一項(xiàng)節(jié)能技術(shù)。