directional moving control

基本解釋

Directional control valves can be used for controlling direction of oil flow so as to operate start up, stop and moving direction of actuators in a hydraulic circuit.
在液壓系統(tǒng)中控制油方曏，控制執(zhí)行元件的啓動(dòng)、停止及運(yùn)動(dòng)方曏。按操作方式分爲(wèi)：電磁、電液、液控、手動(dòng)、凸輪等方式。
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Tht article GPS positioning technology, DC servo technology, research and design a set of moving targets can implement automatic tracking of the directional antenna control system.
文章以GPS定位技術(shù)、直流伺服技術(shù)爲(wèi)基礎(chǔ)，研究設(shè)計(jì)一套能夠?qū)σ苿?dòng)目標(biāo)實(shí)行自動(dòng)跟蹤的定曏天線控制系統(tǒng)。