液力伺服閥 的英文怎麼說
中文拼音 [yèlìcìbìfá]
液力伺服閥
英文
hydraulic servo valve-
This paper supplied a new way through variable frequency variable speed ( vfvs ) to change its output flow rate and adding a constant - pressure - drop valve, which could solve the defects in hydraulic pressure servo control system, such as low efficiency in control system, short life, poor ability in resisting pollution, low efficiency in driving system and flow rate, pressure pulse. and this way was proved to be effective
本論文針對傳統伺服控制系統效率不高、元件壽命短、抗污染能力差、驅動系統效率低、存在流量及壓力脈動等缺陷，利用先進的交流變頻調速技術改變液壓泵轉速的容積調速新方法，提出了在液壓系統中加一個定差減壓閥的新思路，較好地解決了液壓伺服系統存在的上述問題。In order to improve the reliability of servo system, a triplex electro - hydraulic servo actuator system with three torque motors, three jet flapper valves and three sets of feedback components is designed
摘要為了提高伺服作動系統的可靠性，設計了一種三餘度的電液伺服作動系統，將伺服閥的力矩馬達、噴嘴擋板閥、系統的反饋元件等做成一式三份。Hydraulic servo valve
液力伺服閥It has the characteristic of non - gear - box, large output torque, small volume, easy control, fast response, high track precision, high reliability etc. the system has potential advantages over substituting for traditional hydraulic or pneumatic missile actuator servo control system and has wide prospect in the fields of aerial actuator, servo valve, robot, radar antenna etc. the system ' s operation principle, control idea, functions and realization of each component are discussed in detail
該系統在取代傳統的液壓、氣動導彈舵機伺服控制系統方面有很大潛力，同時在航空舵機、伺服閥，以及機器人關節的直接驅動、雷達天線等領域具有廣闊的應用前景。論文詳述了系統的工作原理與控制思想，以及系統方案的設計和各組成部分的功能與實現方法。The moment of inertia, damp and comeback can be adjusted. two electro - hydraulic servo systems analog rolling moment and swaying force of wave respectively. the two systems both use electro - hydraulic servo valves, in which the analog rolling moment system adopts gear - rack swing hydraulic - pressure oil vat with torque sensor, while the analog swaying force system employs double shanks hydraulic - pressure oil vat with two pressure sensors and a placement sensor
兩套電液伺服系統均使用流量電液伺服閥（採用外供油方式） ，其中模擬橫搖力矩的伺服系統採用齒輪齒條擺動液壓油缸，配有扭矩傳感器，模擬橫蕩力的伺服系統採用雙出桿液壓油缸，配有兩個壓力傳感器和一個位移傳感器。A transparent model is used to make the deflection jet board grounded on the inhere enlarged dimensions. the finished experiments are conducted to catch the flow rate directions and the situation of cavitation using a high - speed video cameras. in this paper, the finite element analysis and visualiation research of servo valve prestage jet flow field are carried out, which establish the theoretical foundation for mathematical model of servo valve prestage and the whole mathematical model of hydraulic servo valve
在對射流前置級驅動的伺服閥射流流場數值模擬的基礎上，用有機玻璃在偏導射流板原始尺寸的基礎上進行了擴大，製作了透明的偏導射流板，運用高速攝像機、液壓泵站等組成了可視化實驗系統，對射流流場的流速方向、渦流、氣穴等現象進行了多方位的觀測，並通過對接收管接收壓力的測試，對流場分析結果進行了驗證。In order to overcome the disadvantages of servo valves and the spool valves, the fast hydraulic system controlled by the fast on - off valve is researched which uses the on - off valves as the pilot valves. they are used to control the opening and closing of the logic valves, thus they can control the pressure and the flow. so they can control the movement direction and the velocity of the piston
為了克服伺服閥和滑閥的不足，本文所研究的基於快速開關閥的快速液壓系統採用快速開關閥作先導閥，控制邏輯閥的開啟和關閉，從而控制液流的通斷和壓力的高低、流量的大小，以實現對活塞運動方向、速度的控制。The nonlinear problem is ubiquitous and is difficult to solve in electro - hydraulic servo system. it is caused by the throttling property, because of the existing of the servo valve, proportion valve and throttling valve, by the dead band, the back lash and so on
非線性是電液伺服系統中普遍存在且至今沒有很好解決的問題，這些非線性主要由電液轉換和控制元件（伺服閥、比例閥或節流閥）的節流特性和液壓動力機構的滯環及死區等因素引起。Models of electro - hydraulic servo valve, gear - rack swing hydraulic - pressure oil vat and torque sensor are selected in order to analog the rolling moment more accurately. the transfer function of electro - hydraulic moment servo system is presented and the system parameters are gained. at the same time, the simulation of system is studied
為了能更好的模擬海浪作用於船舶的橫搖力矩，選取了電液伺服閥、齒輪齒條擺動液壓油缸和扭矩傳感器的型號，建立了電液力矩伺服系統的傳遞函數模型，求取了系統參數，並對系統進行了模擬研究。Two electro - hydraulic servo systems analog rolling moment and swaying force of wave respectively. the two systems both use electro - hydraulic servo valves, in which the analog rolling moment system adopts gear - rack swing hydraulic - pressure oil vat with torque sensor, while the analog swaying force system employs double shanks hydraulic - pressure oil vat with a placement sensor
兩套電液伺服系統均使用流量電液伺服閥（採用外供油方式） ，其中模擬橫搖力矩的伺服系統採用齒輪齒條擺動液壓油缸，配有扭矩傳感器，模擬橫蕩力的伺服系統採用雙出桿液壓油缸，配有一個位移傳感器。Models of electro - hydraulic servo valve, gear - rack swing hydraulic - pressure oil vat, double shanks hydraulic - pressure oil vat, placement sensor and torque sensor are selected in order to analog the rolling moment and swaying force more accurately. transfer functions of electro - hydraulic moment servo system and placement servo system are presented and the system parameters are gained
為了能更好的模擬海浪作用於船舶的橫搖力矩和橫蕩力，選取了電液伺服閥、齒輪齒條擺動液壓油缸、雙出桿油缸、位移傳感器和扭矩傳感器的型號，建立了電液力矩伺服系統和位置伺服系統的傳遞函數模型，求取了系統參數，並對系統進行了模擬研究。As the electric - mechanism converter of the servo valve, torque motor is the key component of the electro - hydraulic servo valve. its output torque characteristic has a significant influence on the performance of servo valve
力矩馬達作為液壓伺服閥的電? ?機械轉換裝置，是電液伺服閥的關鍵元件之一，其輸出力矩特性對伺服閥性能具有較大的影響。During the performances of the syt - i servo valve overlap hydraulic measuring platform, the pressure difference between the exit and the entrance keeps changing, which causes comparatively great principle error in the measurement and affects the accuracy of the measuring system
在syt - i型伺服閥疊合量液動測量臺進行伺服閥疊合量的測量過程中，閥入出口壓力差變化給疊合量的測量帶入較大原理性誤差，影響了測量系統的精度。Due to this, it is important to improve the hydraulic power system and enable it to control the pressure change at the measuring points of the servo valve, thus to develop the syt - ii servo valve overlap hydraulic measuring platform and improve the processing quality of servo valve
因而對其油源系統加以改進，使其能控制伺服閥測量口處壓力變化，進而開發出高精度的恆壓油源，研製出syt - ii型伺服閥疊合量液動測量臺，提高伺服閥的加工製造水平。But because of the disadvantages of the traditional hydraulic control system, for example, servo system ’ s servo valve has the high requirements to the oil ’ s intensity, so its application was limited
但傳統的電液伺服系統本身存在固有的缺點，如電液伺服閥對油液精度要求很高，抗污染能力很弱等，限制了電液伺服系統更廣泛的應用范圍。Jet pipe servo valve has a good prosperity in the field of aviation, aerospace, ship craft, electrohydraulic system control and so on because of the high resistance to contamination, high sensitivity, high safety and long life
射流管伺服閥以其抗污染能力強、靈敏度高、安全可靠、壽命長等獨特優點而廣泛應用在航空航天、船舶、電液系統控制等各行各業中。In addition, criaa has set up metering & measuring department and information & files department to support its scientific & research activities. criaa has specialized series electrohydraulic servovalves manufacturing workshop, pressure vessels manufacturing workshop, other machining workshops, nc machining center, computer center, over 1600 sets of test means, and more than 17000 sets of metering & measuring devices
建有配套齊全的生產加工車間和電液伺服閥、壓力容器專業化生產車間。擁有數控加工中心和計算中心，擁有各種加工及試驗設備1600多臺，檢測計算器具17000多臺件。The experimental system is build up in this dissertation, by which we proceed the experimental research aiming at two structure schemes which are electro - hydraulic load simulator controlled by single pressure servo valve control and loading platform controlled by pressure and flow servo valves separately
本文建立了減搖鰭電液負載模擬臺的實驗系統，並分別在單個壓力伺服閥控制加載系統、壓力伺服閥和流量伺服閥雙閥控制加載實驗系統進行了實驗研究。With the development of test - machine technology, in recent years electro - hydraulic universal material test - machine of the country inside and outside develops three different control modes : electro - hydraulic servo valve ' s control ; adopted the pressure valve ' s control with speed controller ; proportion valve ' s control of wide flux
隨著試驗機技術的進步，近年來國內外電子液壓萬能試驗機發展了三種不同控制方式：電液伺服閥控制、採用具有速度控制器的壓力閥控制和寬流量范圍的比例閥控制。In the pressure characteristic test, a new method of testing pressure difference is brought out. with an entire bridge circuit and two pressure sensors, the structure is simple but the result is of high precision
電液伺服閥壓力特性實驗中，提出利用兩只壓力傳感器通過全橋電路測量差壓的新方法，該方法硬體結構簡單，測試精度高。分享友人