Pressure characteristics of a pneumatic servovalve with uneven underlaps of the spool 具有不均等正開口量的雙邊滑閥式氣動伺服閥特性研究
The mathematical model is also built and system nonlinear effects are analyzed , especially nonlinear effects of electro - hydraulic servovalve , pump station , and pipes 分析研究了系統(tǒng)非線性的影響,特別是電液伺服閥的非線性、油源、管道等因素的影響,建立了系統(tǒng)的數(shù)學(xué)模型。
Electrohydraulic servovalve is a kind of important competent in the electrohydraulic servo control system , its condition decides the performance of the whole system 電液伺服閥是結(jié)合了機械、電子和液壓技術(shù)的高度精密部件,它的性能直接影響甚至決定整個電液伺服系統(tǒng)系統(tǒng)的性能。
Research status and performance of pneumatic ratio servovalve are deeply analyzed . they provide theoretical base for high accuracy orientation control of servo control system and pointers for improving system performance . additionally 對氣動比例伺服閥的特性與研究狀況進行了較為深入的研究,為伺服控制系統(tǒng)的高精度的定位控制提供了理論基礎(chǔ),改善系統(tǒng)性能提供了指針。
With an overall analysis of the marketing environment , interior resource , marketing segmenting , marketing positioning of the largest company in china handling electrohydraulic servovalve as well as characteristics of its products , the paper points out its weaknesses in the marketing area with the aid of the marketing theory and gives some systematic suggestions as to the marketing mix such as product , price , place , promotion , power and public relation , based on discrepancy competitive strategy , 6ps theory and practice of the company 本文以我國最大的電液伺服閥生產(chǎn)企業(yè)中航609所液壓公司為背景,結(jié)合電液伺服閥產(chǎn)品的特點,運用市場營銷理論,從營銷觀念的建立入手,通過對公司的營銷環(huán)境、內(nèi)部資源、市場細(xì)分及市場定位的全面分析,指出了公司在市場營銷領(lǐng)域的薄弱環(huán)節(jié);并且以差異化競爭策略為指導(dǎo),以6ps理論為基礎(chǔ),針對公司的具體情況,對其各細(xì)分市場的產(chǎn)品、價格、分銷、促銷、權(quán)力和公共關(guān)系等營銷組合策略提出了系統(tǒng)的建議。
servovalve meaning:[Mechanical engineering] A transducer in which a low-energy signal controls a high-energy fluid flow so that the flow is proportional to the signal.servovalve перевод:сервоклапан