液壓伺服閥 的英文怎麼說
中文拼音 [yèyācìbìfá]
液壓伺服閥
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 addition to military products, criaa designed & manufactured many kinds of industrial products such as ff series servovalves, lpg recovery plant, airport hydrant refuelling equipments, hydraulic pump stations, hydraulic control system and testing equipments, low temperature box with natural air cooling, and air refrigerators used for mines etc
產品除軍用外,開發的民品有: ff系列伺服閥、油田氣輕烴回收裝置、機場栓式加油設備、液壓控制系統產品及試驗設備、空氣製冷低溫箱、礦用空氣製冷機等。Experimental study on piezoelectric pre - stage driver of electro - hydraulic servo valves
壓電驅動型電液伺服閥前置級驅動器實驗研究This text servo each that valve control hydrostatic bearing to keep and support structure carry on exhaustive design calculate comparatively on electric liquid, and analysis in detail that has designed the electric liquid servo valve
本文就電液伺服閥控制的雙腔靜壓支承結構進行了較為詳盡的設計計算,並詳細分析設計了電液伺服閥。Comparing and analyzing the synchronous control strategy, which brings up the new method to control the double un - symmetry jars proceed synchronously with the combination of proportional valve and servo valve, which forms closed loop control ; basing on the above methods, models are made to get mathematics models of position control system and to analyze system model theoretically by using pid controller, we can realize regulating parameters, minimizing synchronous errors and enhancing the dynamic performances ; the simulink tool box in matlab software is used to imitate the system according to the model, which not only makes the result visual and easy to adjust the parameters in interactive way but also lets us understand the effects of different parameters and optimizes the dynamic properties. the theory of plc control in dshp is discussed after advanced understanding of the system movements. hardware design and general regulation are given on the base of siemens company products s7 - 200 plc
本文根據大量的國內外文獻,對研配液壓機的工作原理及設計結構進行了簡介;對位置同步的控制方法進行了比較分析,提出比例閥和伺服閥復合控制的閉環結構來對非對稱雙缸進行同步控制電液比例同步控制方案;在此基礎上著重對比例閥控非對稱缸建模,最後得到位置控制系統的總體數學模型,從理論上對同步系統動態特性進行了分析,並用pid控制器進行參數整定,減小雙缸同步誤差、提高系統的動態響應性能;其中控制性能的分析藉助于matlab軟體中的simulink工具箱,由已建立的數學模型形成模擬模型,得到可視化的模擬結果,從而利於交互方式下調整參數,了解不同的參數對系統的影響,優化同步系統的動態性能;在深入了解系統的動作特性后,對plc控制研配液壓機的原理進行了探討,針對siemens公司s7 ? 200型plc給出了硬體設計的總體規劃,編制出研配液壓機動作控製程序,在編程中著重研究位移傳感器與plc的通訊、雙缸同步運行的pid控制在plc上的實現及bcd碼撥盤輸入程序的植入問題。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。Hydraulic fluid power - four - and five - port servovalves - mounting surfaces
四油口和五油口液壓伺服閥安裝面Designs, manufactures and supplies valves, pumps, actuators, and control solutions for usage in energy and process industries
-提供液壓泵馬達液壓缸比例閥和伺服閥的維修調試。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。In this dissertation, the author builds up mathematical model of electro - hydraulic load simulator system. and it also builds up model of p - q servo - valve and complete system based on bond graph theory, which consider the nonlinear of orifices and real - time changing characteristic of liquid capacity in the cylinder chambers
論文建立了電液負載模擬器的數學模型,同時,基於鍵圖理論考慮閥口流量非線性和液壓缸液容的時變特性,建立p - q伺服閥和全系統的鍵合圖。At first the design scheme of the test system of electro - hydraulic servo valve based on virtual instrument was proposed. according to this design scheme, the hydraulic test unit and measurement unit were developed
本文首先在介紹電液伺服閥特性和測試遠離以及虛擬儀器技術的基礎上,提出了基於虛擬儀器的電液伺服閥測試系統設計方案,以此方案研製了測試系統的液壓試驗單元和測控單元。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。The force output of the asymmetric cylinder controlled by symmetric valve is choosen to be the controlled object in the hydraulic servo system that we studied
本課題研究的液壓伺服系統,是以閥控非對稱液壓缸輸出力作為被控對象。The main contents are as following : 1. according to the basic theory of hydraulic - servo system, research deeply the mathematical modal of four - connection valve - controlled hydraulic cylinder, built up the transfer function of four - connection valve - controlled hydraulic cylinder and analyze it ' s dynamic character
主要研究內容如下: 1根據液壓伺服系統的基本理論,對四通閥控單出桿液壓缸的數學模型進行了深入研究,推導了四通閥控單出桿液壓缸的傳遞函數,並對其動態特性進行了分析。分享友人